CN104487637A - Support steel pipe for scaffolding or timbering - Google Patents
Support steel pipe for scaffolding or timbering Download PDFInfo
- Publication number
- CN104487637A CN104487637A CN201380012557.0A CN201380012557A CN104487637A CN 104487637 A CN104487637 A CN 104487637A CN 201380012557 A CN201380012557 A CN 201380012557A CN 104487637 A CN104487637 A CN 104487637A
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- CN
- China
- Prior art keywords
- steel pipe
- pillar
- support
- wedge
- cross bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 156
- 239000010959 steel Substances 0.000 title claims abstract description 156
- 229910000679 solder Inorganic materials 0.000 claims description 19
- 238000004904 shortening Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- 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
- E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
- E04G7/32—Scaffolding bars or members with non-detachably fixed coupling elements with coupling elements using wedges
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/006—Scaffold with cantilevered sections, e.g. to accommodate overhangs or recesses in the facade
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/06—Consoles; Brackets
- E04G5/061—Consoles; Brackets specially adapted for attachment to scaffolds
-
- 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
- E04G7/20—Stiff scaffolding clamps for connecting scaffold members of common shape for ends of members only, e.g. for connecting members in end-to-end relation
-
- 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
- E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
- E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
- E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
- E04G7/308—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect without tying means for connecting the bars or members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/22—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using hooks or like elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/10—Details of socket shapes
Abstract
The present invention provides prefabricated scaffolding and timbering that are easy to assemble and have sufficient strength and a high degree of safety. The present invention provides a support steel pipe having a horizontal member connection portion provided with a circular outer edge portion at the outer edges of receiving metal fittings each having a wedge hole in prefabricated scaffolding or timbering set up by coupling supports and horizontal members using wedges. The horizontal member connection portions are provided at regular intervals on the side surface of the support or the assembled support. A plurality of safety belt hooks can be hung to the circular outer edge portion, and safety belt hook hanging portions are provided at regular intervals in the support. Consequently, workers can each always hang the safety belt hook in the vicinity thereof not only while working but also while moving. Further, the circular outer edge portion also has a function of reinforcing the receiving metal fittings. Furthermore, the degree of safety is increased by the shapes of safety pins and wedge portions.
Description
Technical field
The present invention relates to and be used in assembly type scaffold in construction work etc. or formwork-support.
Background technology
In the operation that building or its exterior wall are implemented, mostly utilize the method for assembling scaffold.In the method, mainly outside the building portion arranges interim job platform or passage, operating personnel utilizes this job platform or passage to build building, repair, safeguard or application, cleaning.Formwork-support be from concreting to concrete curing by works that the template of concrete base frame or crossbeam is supported.
About scaffold or formwork-support, need to assemble step by step upward according to the height of building to build, thus the substantial amounts of cross bar, railing and pedal etc. required in whole engineering, and, assembling must be built after the end of job and remove one by one at the equipment of this Around Buildings.Therefore, arrange and remove time the large and spended time of workload.In recent years, from the aspect of easily assembling and dismounting, bring into use by utilizing chock to be combined by parts thus being assembled into scaffold or the formwork-support (patent document 1, non-patent literature 1) of this mode of regulation structure, and require higher intensity and safety.
Comprise at scaffold or formwork-support the vertical component that supports and carry out moving for operating personnel or the horizontal component of operation, thus operating personnel moves up and down and implements operation.Work high above the ground personnel are in order to avoid the danger of falling and fasten one's safety belt, and, being hooked on by the hook of safety belt one end on health and by the hook of the other end is hooked on scaffold or formwork-support, improves safety when moving in the assembling of scaffold or formwork-support, dismounting and construction operation thus.But, because the place of hanging safety belt hook of rising to the bait at scaffold or formwork-support is less, therefore, move under being difficult to remain on the state hooking seat belt hanger always, thus more dangerous.Such as, several operating personnel only can link up with by hook after the job position all climbing regulation, and the danger therefore in moving process is high.
[prior art document]
[patent document]
Patent document 1: No. 2002-276152, JP Publication, JP
[non-patent literature]
Non-patent literature 1: construction management technology, in November, 2000 number: 57 " scaffold or formwork-supports "
Summary of the invention
In view of above-mentioned the problems of the prior art, the present invention be for the problem solved: provide a kind of and assemble easily, the enough large and operation of intensity or mobile time the high scaffold of safety and/or formwork-support.
In order to solve above-mentioned problem, following invention is proposed.
1. the pillar steel pipe of an assembly type scaffold or formwork-support, in this pillar steel pipe, be provided with at least one cross bar connecting portion in steel pipe side, wherein, this cross bar connecting portion possesses: support unit, and it has the wedged hole of longitudinally this support unit through; With circular circumference edge part, it is connected with the neighboring of this support unit.
2. the pillar steel pipe as described in preceding paragraph 1, described circular circumference edge part all welds with multiple described support unit, and forms the hook portion of safety belt.
3. the pillar steel pipe as described in preceding paragraph 1 or 2, in this pillar steel pipe, the steel pipe of the 250mm ~ 400mm of described cross bar connecting portion will be provided with as a joint in central portion position, and this pillar steel pipe has the length that a joint ~ 15 are saved, or, there is the length after the length shortening from this length and increase because using tube connector.
4. the pillar steel pipe according to any one of preceding paragraph 1 ~ 3, it is provided with safety pin hole, to make two safety pins be the through pillar steel pipe in crosswise ground, thus prevents wedge-shaped part from coming off.
5. assembly type scaffold or a formwork-support, it comprises the cross bar that pillar steel pipe according to any one of preceding paragraph 1 ~ 4 and end are provided with wedge-shaped part.
6. the assembly type scaffold as described in preceding paragraph 5 or formwork-support, be formed as the arc-shaped surface identical with this steel pipe side with the face that described steel pipe side contacts in described wedge-shaped part.
7. the assembly type scaffold as described in preceding paragraph 5 or 6 or formwork-support, weld the steel pipe forming described cross bar with before wedge-shaped part and these three faces, two sides.
8. a bracket, it possesses:
Pillar steel pipe portion, its pillar steel pipe according to any one of preceding paragraph 1 ~ 4 is formed,
First support arm, end has wedge-shaped part to one, the other end and this pillar side at right angles to solder joints on the cross bar connecting portion top in steel pipe portion,
First vertical supporter, the side at right angles to solder joints of one end and the first support arm, and this first vertical supporter is parallel with pillar, and there is the more than one wedge-shaped part in the wedged hole of the cross bar connecting portion that can be inserted into pillar, and
Second support arm, the side at right angles to solder joints of one end and the first vertical supporter, the other end and this pillar side at right angles to solder joints of the cross bar connecting portion bottom in steel pipe portion, and this second support arm is parallel with this first support arm.
9. the assembly type scaffold as described in preceding paragraph 5 ~ 7 or formwork-support, it comprises the bracket described in preceding paragraph 8.
(invention effect)
The circular circumference edge part that the cross bar connecting portion of pillar steel pipe of the present invention possesses for strengthening the intensity of support unit, and forms hook portion.Can the hook of the multiple safety belt of hook in this hook portion.On scaffold after assembling or the pillar of formwork-support, cross bar connecting portion is multiple in (interval one is saved) being configured with at equal intervals, therefore, near operating personnel, have the hook portion of safety belt all the time, thus when can guarantee that operating personnel moves or operation time safety.
Use the formwork-support of pillar steel pipe of the present invention not only to have function as formwork-support, can also use as a part for scaffold.By adding bracket, pedal, railing, girt and pillar steel pipe of the present invention etc. and assembled on the formwork-support using pillar steel pipe of the present invention, thus scaffold can be formed.
In addition, by pillar steel pipe of the present invention and bracket of the present invention are combined and used, simply and dexterously scaffold or formwork-support can be assembled.In addition, the scaffolding members below bracket can be converted as the scaffolding members of top.Such as, after the end of job of the exterior wall of below, the pillar steel pipe outside the scaffold of below and cross bar are pulled down and is installed to the top of bracket, thus can as the scaffold of top operation.By above-mentioned conversion, scaffolding members can be cut down.
And then, due to the safety pin for preventing the wedge-shaped part of cross bar from coming off can be provided with, therefore, though because of rock or vibration etc. cause wedge-shaped part and wedged hole combination loosen, wedge-shaped part also can not come off from wedged hole, thus safety is extremely outstanding.
In addition, owing to being formed as the arc-shaped surface identical with this steel pipe side with the face that steel pipe side contacts in wedge-shaped part, therefore, the contact surface of wedge-shaped part and steel pipe is large and wedge-shaped part is stablized, and the axle of wedge-shaped part can not rotate in addition, thus intensity is outstanding.
And then welded with before wedge-shaped part and these three faces, two sides by the steel pipe (cross bar steel pipe) forming cross bar, the bonding area of steel pipe and wedge-shaped part is large thus, thus intensity is outstanding.
Accompanying drawing explanation
Fig. 1 is the stereogram of an example of pillar steel pipe of the present invention (joint).
Fig. 2 is the front view of an example of pillar steel pipe of the present invention (joint).
Fig. 3 is the assembling schematic diagram of pillar steel pipe and cross bar.
(1) in Fig. 4 is the top view of wedge-shaped part, and (2) are the lateral views of crossbar end.
Fig. 5 is the schematic diagram of the a1-a2 section in Fig. 4.
Fig. 6 represents the schematic diagram that connect of pillar of the present invention with steel pipe.
Fig. 7 is the lateral view of the bracket of the present invention be connected on the pillar that is made up of pillar steel pipe of the present invention.
(symbol description)
10 pillar steel pipes
20 cross bar connecting portions
21 steel pipes
211 steel pipe sides
22 support units
222 wedged holes
226 hook spaces
23 circular circumference edge parts
231 hook portions
30 cross bars
31 wedge-shaped parts
311 thrust surfaces
32 cross bar steel pipes
40 safety pin holes
41 connecting pin holes
401 safety pins
411 connecting pins
50 tube connectors
60 brackets
61 pillars steel pipe portion
The 611 pillars cross bar connecting portion in steel pipe portion
62 first support arms
The wedge-shaped part of 621 first support arms
63 second support arms
64 first vertical supporter
The wedge-shaped part of 641 first vertical supporter
65 second vertical supporter
Detailed description of the invention
Pillar steel pipe of the present invention to be held concurrently scaffold and using as scaffold, formwork-support or formwork-support after assembling.Many pillar steel pipes, by setting up desired cross bar to it, are built in the place needing scaffold or formwork-support with the interval specified.In addition, along pillar axially being connected each other by pillar steel pipe with steel pipe, thus the height that scaffold or formwork-support are formed as desired can be made.By being inserted into by the wedge-shaped part being arranged at crossbar end in the wedged hole of the support unit of the cross bar connecting portion being arranged at pillar steel pipe side, thus cross bar is made to be combined with pillar steel pipe and to be assembled into the structure of regulation.
Pillar steel pipe 10 of the present invention is provided with at least one cross bar connecting portion 20 on the side of steel pipe 21.In addition, this cross bar connecting portion 20 has support unit 22 and circular circumference edge part 23, and wherein, support unit 22 has the wedged hole 222 of longitudinally this support unit 22 through, and circular circumference edge part 23 is connected with the neighboring of this support unit.The external diameter of pillar steel pipe of the present invention is not particularly limited, but preferably external diameter is the steel pipe of 48.6mm.
At the sustained height place of pillar with steel pipe side, be provided with multiple support unit 22 highlightedly in the mode rectangular with the axis of pillar steel pipe, and be preferably provided with two ~ tetra-support units 22.And each support unit is preferably set to be at right angles or mutually oppositely (180 degree) mutually.On each support unit 22, be formed with the wedged hole 222 of through along the vertical direction support unit 22 respectively.The sectional area of wedged hole reduces gradually towards lower end from upper end, and the area in the upper end open portion of wedged hole is maximum thus, and the area in its lower ending opening portion is minimum.The associated methods of the material of support unit and itself and pillar is not particularly limited, but the metal sheet preferably made by steel etc. bends in " コ " shape and by its solder joints on the side 211 of steel pipe 21.
The length axially of support unit 22 is such as 40mm ~ 80mm, is preferably 50mm ~ 70mm, more preferably 55mm ~ 65mm, most preferably is 60mm.
The width in the upper end open portion of wedged hole 222 is 15mm ~ 30mm, be preferably 18mm ~ 25mm, more preferably 20mm, and its length is also the size with above-mentioned width same degree.
Circular circumference edge part 23 is set to: be connected with the neighboring of support unit 22 and by coated for support unit 22.Circular circumference edge part 23 for strengthening the intensity of support unit, and forms the hook portion 231 of safety belt.Between circular circumference edge part 23 and adjacent two support units 22, be formed with hook space 226 respectively.The circular circumference edge part corresponding with this space becomes hook portion 231.In this hook portion 231, can the hook of one or more safety belt of hook operating personnel, thus the safety of operating personnel can be made to be protected.
In addition, utilize in order to strengthened support part 22 smooth steel plate linearly coated support unit 22 time, also space is formed with respectively between this steel plate and adjacent two support units 22, but, because the distance between this steel plate and steel pipe side 211 is short, therefore cause cannot hook hook or not easily hook hook.But, in the present invention, because circular circumference edge part is formed as circular, the distance therefore between hook portion 231 and steel pipe side 211, thus easily hook is hooked in hook space 226.
Associated methods about the material of circular circumference edge part 23 and itself and pillar is not particularly limited, but, preferably the steel of ring-type and multiple support unit 22 are all carried out solder joints, and peripheral edge portion that is preferred and four support units 22 carries out solder joints.
The width of circular circumference edge part 23 is 10mm ~ 40mm, is preferably 15mm ~ 30mm, is more preferably 17mm ~ 25mm, most preferably is 20mm.When width is narrower than 10mm, intensity is poor, width wider than during 40mm then not easily hook hook.
The diameter of circular circumference edge part is 70mm ~ 110mm, is preferably 75mm ~ 100mm, is more preferably 78mm ~ 96mm.When diameter is less than 70mm, not easily hook is linked up with.Circular circumference edge part is preferably the shape that upper diameter is large and lower diameter is little.
In pillar steel pipe of the present invention, can using 200mm ~ 500mm as a joint (oneunit, a unit).For each joint, can 250mm ~ 400mm be more preferably, more preferably 270mm ~ 350mm, further be preferably 270mm ~ 330mm, most preferably be 300mm.In the substantially central portion position of a joint pillar steel pipe, a cross bar connecting portion 20 is set.About the length of pillar steel pipe 10 of the present invention and indefinite, such as, there is the length that a joint ~ 15 are saved.In addition, such as there is the length of 175mm ~ 4500mm.By being combined by the pillar steel pipe of above-mentioned various length, scaffold or formwork-support can be assembled freely.
In addition, on the pillar steel pipe that two joints are above, separate the interval of a joint of regulation and on the side of steel pipe 21, be provided with cross bar connecting portion 20.That is, when pillar steel pipe being provided with multiple cross bar connecting portion 20, separating the interval of a joint and cross bar connecting portion 20 is set, most preferably separate the interval of 300mm and configure cross bar connecting portion 20.
When pillar of the present invention is connected each other with steel pipe, also preferred interval interval between the cross bar connecting portion 20 adjacent up and down of connecting portion being remained a joint of regulation.When using tube connector 50 connecting struts steel pipe, for the length thereof increased because using tube connector 50, the end of pillar steel pipe can be correspondingly made to shorten.Such as, for a joint steel pipe of the lower end of pillar steel pipe, the length thereof that can increase from the contraction in length of a joint of regulation because using tube connector.
Such as, when one saves as 300mm and adds the length of 25mm because using tube connector, the length of one of lower end joint steel pipe is made to be formed as 275mm, thus can be formed as follows: namely, the length of the pillar steel pipe of the present invention of one joint is 275mm, the length of the pillar steel pipe of the present invention of two joints is 575mm, the length of the pillar steel pipe of the present invention of three joints is 875mm, the length of the pillar steel pipe of the present invention of four joints is 1175mm, the length of the pillar steel pipe of the present invention of five joints is 1475mm, the length of the pillar steel pipe of the present invention of six joints is 1775mm, the length of the pillar steel pipe of the present invention of seven joints is 2075mm, the length of the pillar steel pipe of the present invention of eight joints is 2375mm, the length of the pillar steel pipe of the present invention of nine joints is 2675mm, the length of the pillar steel pipe of the present invention of ten joints is 2975mm, the length of the pillar steel pipe of the present invention of 11 joints is 3275mm, the length of the pillar steel pipe of the present invention of 12 joints is 3575mm, the length of the pillar steel pipe of the present invention of 13 joints is 3875mm, the length of the pillar steel pipe of the present invention of 14 joints is 4175mm, the length of the pillar steel pipe of the present invention of 15 joints is 4475mm.
By being combined by the pillar steel pipe of above-mentioned various length, scaffold or formwork-support can be assembled freely.Even if the length of pillar steel pipe is different, cross bar connecting portion 20 is also be configured on pillar in predetermined distance.
Be 200mm ~ 500mm by making a joint and cross bar connecting portion is present in pillar with the interval of 200mm ~ 500mm, the hook portion 231 of safety belt is provided with the interval of 200mm ~ 500mm thus on the pillar of scaffold or formwork-support.Thus, there is the hook portion 231 of safety belt at one's side all the time operating personnel, thus when can guarantee mobile or operation time safety.
Pillar steel pipe of the present invention preferably has: be the crosswise through pillar steel pipe in ground thus the safety pin hole 40 preventing wedge-shaped part from coming off for making two safety pins 401.After the wedge-shaped part 31 being arranged at cross bar 30 end is inserted in wedged hole 222, the safety pin 401 being used for preventing wedge-shaped part from coming off is installed in safety pin hole 40.The safety pin 401 being preferred for preventing wedge-shaped part from coming off is provided with two, and corresponding with four support units 22 and in crosswise the through pillar steel pipe in ground.The end of this safety pin 401 projects to the upside of wedge-shaped part 31 end face be inserted in above-mentioned wedged hole 222, thus prevents wedge-shaped part 31 from coming off.This safety pin is such as made up of screw bolt and nut.Further safety can be guaranteed by above-mentioned safety pin.
In addition, the invention still further relates to and comprise assembly type scaffold or the formwork-support that above-mentioned pillar steel pipe 10 and end are provided with the cross bar 30 of wedge-shaped part 31.
Assembly type scaffold of the present invention or formwork-support can also comprise other parts.Such as, also tube connector, connecting pin, safety pin etc. can be comprised.
Cross bar 30 is arranged between two or four cross bar connecting portion 20 usually, and wherein, above-mentioned two or four cross bar connecting portion 20 to be separately positioned on different pillar steel pipes but to be positioned at sustained height place.As cross bar 30, railing, pedal, bracket, girt etc. can be enumerated.Cross bar has 300mm ~ 1800mm, the length being preferably 500mm ~ 1500mm, more preferably 700mm ~ 1100mm or long limit.
The end of cross bar 30 being provided with wedge-shaped part 31, by combining in the wedged hole 222 that wedge-shaped part 31 is inserted into pillar steel pipe, thus scaffold or formwork-support can being assembled.Such as, be respectively arranged with wedge-shaped part 31 at the two ends of railing, thus railing be erected between two pillars.In addition, such as, when being provided with the pedal of wedge-shaped part 31 for four corners, pedal is set up between four pillars.In addition, such as bracket is provided with multiple wedge-shaped part, to engage with the upper and lower wedged hole 222 of same pillar.
Be respectively equipped with wedge-shaped part 31 at the two ends of girt, thus girt is set up between two pillars.Girt can be regular length, also can be variable-length.Such as can be configured to for adjustable length girt: there is Slide bar structure, after being adjusted to the length that adapts with construction site and utilizes and such as sell and fix, assemble.Especially adjustable length girt can suitably be used in formwork-support.Girt is suitably used in formwork-support, and, by girt being arranged on plural direction when rigging bracing frame, thus can preventing formwork-support from overturning or slide, and can gain in strength.By using the girt being provided with wedge-shaped part 31, even if do not use stull (brace) (inclined strut), also intensity can be kept.
Wedge-shaped part 31 all has thrust surface 311.Thrust surface 311 face that to be wedge-shaped parts 31 carry out with steel pipe side 211 contacts.Thrust surface 311 is arranged along steel pipe side 211.Preferred thrust surface 311 has the curved surface identical with steel pipe side 211.That is, thrust surface 311 has the curved surface of arc-shaped, and the radius of its circular arc is preferably equal with the radius of steel pipe 21.Have the thrust surface 311 of the curved surface identical with steel pipe side by this, wedge-shaped part 31 and steel pipe 21 are reliably combined and can keep in being same axis with steel pipe 21, thus wedge-shaped part 31 can not rotate.Thereby, it is possible to guarantee safety.
Preferably the cross bar steel pipe 32 forming above-mentioned cross bar 30 is welded with before wedge-shaped part 31 and these three faces, two sides.By carrying out three welding in the mode caught by wedge-shaped part, make solder joints area become large thus wedge-shaped part 31 and cross bar steel pipe 32 can be made reliably to combine, can safety be guaranteed thus.
In order to be connected each other by pillar of the present invention steel pipe 10, tube connector 50 can be used.Tube connector also the side in heart portion wherein can have protuberance, thus together forms the side of pillar smoothly with steel pipe side 211.But also can not raised part be set.Connecting pin 411 can be utilized between tube connector 50 and pillar steel pipe and be fixed.When use does not have the tube connector of raised part, a part of parts in the scaffold or formwork-support arranged can be extracted out by extracting connecting pin.By extracting a part of parts from the parts being arranged in the position can guaranteeing intensity out and being converted to the top of scaffold, thus scaffolding members can be cut down.For the length that is increased between pillar steel pipe indefinite because using tube connector, being about 0mm ~ 45mm, but being preferably 10mm ~ 40mm, being more preferably 15mm ~ 35mm, more preferably 20mm ~ 30mm, most preferably being 25mm.
In addition, the invention still further relates to bracket 60, this bracket 60 can be combined with pillar (pillar that the pillar be made up of above-mentioned pillar steel pipe or the above-mentioned pillar steel pipe by more than two carry out being formed by connecting) by multiple chock.Bracket 60 is provided with: have and above-mentioned pillar steel pipe mutually isostructural pillar steel pipe portion 61, first support arm 62, first vertical supporter 64 and the second support arm 63.And then, the parts of the necessity such as the second vertical supporter can also be provided with.
Pillar steel pipe portion 61 is formed as the length of a joint or two joints, is preferably made up of a joint pillar steel pipe.Pillar steel pipe portion is supported by the first support arm and the second support arm.And then, other pillar steel pipes also can be utilized from lower support pillar steel pipe portion.
The material of the first support arm 62, first vertical supporter 64, second support arm 63 and the second vertical supporter and shape are not particularly limited, but are preferably steel pipe, and especially preferably external diameter is the steel pipe of 48.6mm.
Above-mentioned first support arm 62 has wedge-shaped part 621 on one end.Preferably these three faces of the first support arm 62 and before wedge-shaped part 621 and two sides are welded, thus, by carrying out three welding in the mode caught by wedge-shaped part, make the area of solder joints become large and wedge-shaped part 621 can be made reliably to be combined with the first support arm 62, thus can safety be guaranteed.
The side at right angles to solder joints on the other end of the first support arm 62 and cross bar connecting portion 611 top in above-mentioned pillar steel pipe portion 61.
One end of above-mentioned first vertical supporter 64 and the side at right angles to solder joints of the first support arm, and, first vertical supporter 64 is parallel with pillar, and is provided with the more than one wedge-shaped part 641 in the wedged hole of the cross bar connecting portion that can be inserted into pillar.The wedge-shaped part 621 of wedge-shaped part 641 and the first support arm can be inserted into the wedged hole being arranged in cross bar connecting portion on same pillar and neighbouring respectively.First vertical supporter 64 preferably has one to five wedge-shaped part 641, more preferably has one to three wedge-shaped part 641, further preferably has one or two wedge-shaped part 641.
In addition, wedge-shaped part 621 and wedge-shaped part 641 have structure, shape and the feature identical with above-mentioned wedge-shaped part 31.
One end of the second support arm 63 and the side at right angles to solder joints of the first vertical supporter 64, and the other end and the pillar side at right angles to solder joints of cross bar connecting portion 611 bottom in steel pipe portion 61, further, the second support arm 63 is parallel with the first support arm 62.Second support arm is applied to the load of the first support arm for alleviating, and guarantees the intensity of bracket.Bracket of the present invention can also have other support arm.
Second vertical supporter 65 is between the first vertical supporter 64 and pillar are with steel pipe portion 61, and parallel with pillar steel pipe portion 61 with the first vertical supporter 64.Preferably the second vertical supporter 65 is positioned at the central position in the first vertical supporter 64 and pillar steel pipe portion 61.One end of second vertical supporter 65 and the side at right angles to solder joints of the first support arm 62, and the side at right angles to solder joints of the other end and the second support arm 63.This second vertical supporter is for guaranteeing the intensity of bracket.Bracket of the present invention and then other vertical supporter can also be had.
In addition, the invention still further relates to and then comprise assembly type scaffold or the formwork-support of bracket 60 of the present invention.By bracket of the present invention and pillar steel pipe of the present invention being combined, simply and dexterously scaffold or formwork-support can be assembled.Such as, the bracket of the application of the invention is assembled pillar (using the pillar of more than four three-dimensionally to assemble) in frame shape and makes it stablize, and assembling operation becomes easy thus.
In addition, when utilizing pillar steel pipe of the present invention from the pillar steel pipe portion of lower support bracket of the present invention, removing tube connector by being extracted by the connecting pin of the tube connector (not having the tube connector of protuberance) connecting lower posts steel pipe, the pillar steel pipe of bracket bottom can be pulled down thus.The parts such as the pillar steel pipe pulled down can be converted to top or other places, thus can guarantee that intensity cuts down scaffolding members.
Enumerate object lesson to describe the present invention, but this is not make restriction to the present invention, only otherwise depart from the scope of the present invention, just allows those skilled in the art to add and change and amendment.
(industrial utilizability)
Pillar steel pipe of the present invention is used in the engineering such as construction work or repairerment with the assembly type scaffold or formwork-support comprising this pillar steel pipe, even if the present invention also can assemble simply in narrow place, and the operating environment providing safety high.
Claims (9)
1. a pillar steel pipe for assembly type scaffold or formwork-support, the feature of described pillar steel pipe is,
Steel pipe side is provided with at least one cross bar connecting portion,
Described cross bar connecting portion possesses:
Support unit, it has the wedged hole of longitudinally this support unit through, and
Circular circumference edge part, it is connected with the neighboring of described support unit.
2. pillar steel pipe as claimed in claim 1, is characterized in that,
Described circular circumference edge part all welds with multiple described support unit, and forms the hook portion of safety belt.
3. pillar steel pipe as claimed in claim 1 or 2, is characterized in that,
In described pillar steel pipe, the steel pipe of the 250mm ~ 400mm of described cross bar connecting portion will be provided with as a joint in central portion position, and, described pillar steel pipe has the length that a joint ~ 15 are saved, or, there is the length after the length shortening from this length and increase because using tube connector.
4. the pillar steel pipe according to any one of claims 1 to 3, is characterized in that,
Described pillar steel pipe is provided with safety pin hole, to make two safety pins be the through described pillar steel pipe in crosswise ground, thus prevents wedge-shaped part from coming off.
5. assembly type scaffold or a formwork-support, is characterized in that,
Comprise the cross bar that pillar steel pipe according to any one of Claims 1 to 4 and end are provided with wedge-shaped part.
6. assembly type scaffold as claimed in claim 5 or formwork-support, is characterized in that,
The arc-shaped surface identical with described steel pipe side is formed as with the face that described steel pipe side contacts in described wedge-shaped part.
7. the assembly type scaffold as described in claim 5 or 6 or formwork-support, is characterized in that,
The steel pipe forming described cross bar is welded with before described wedge-shaped part and these three faces, two sides.
8. a bracket, is characterized in that, possesses:
Pillar steel pipe portion, its pillar steel pipe according to any one of Claims 1 to 4 is formed,
First support arm, end has wedge-shaped part to one, the side at right angles to solder joints on the cross bar connecting portion top in the other end and described pillar steel pipe portion,
First vertical supporter, the side at right angles to solder joints of one end and described first support arm, and described first vertical supporter is parallel with pillar, and the more than one wedge-shaped part had in the wedged hole of the cross bar connecting portion that can be inserted into this pillar, and
Second support arm, the side at right angles to solder joints of one end and described first vertical supporter, the side at right angles to solder joints of the cross bar connecting portion bottom in the other end and described pillar steel pipe portion, and described second support arm is parallel with described first support arm.
9. as the assembly type scaffold in claim 5 ~ 7 as described in any one or formwork-support, it is characterized in that, comprise bracket according to claim 8.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101222737U TWM454435U (en) | 2012-11-23 | 2012-11-23 | Scaffold |
| JP2013-156202 | 2013-07-27 | ||
| JP2013156202A JP5422075B1 (en) | 2012-11-23 | 2013-07-27 | Steel pipe for scaffolding or support column |
| PCT/JP2013/081452 WO2014080998A1 (en) | 2012-11-23 | 2013-11-21 | Suppot steel pipe for scaffolding or timbering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104487637A true CN104487637A (en) | 2015-04-01 |
Family
ID=49030481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380012557.0A Pending CN104487637A (en) | 2012-11-23 | 2013-11-21 | Support steel pipe for scaffolding or timbering |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150152654A1 (en) |
| JP (1) | JP5422075B1 (en) |
| CN (1) | CN104487637A (en) |
| TW (1) | TWM454435U (en) |
| WO (1) | WO2014080998A1 (en) |
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| CN110914508A (en) * | 2017-05-09 | 2020-03-24 | At-Pac中国商业信托公司 | Improved ledger and modular scaffolding system with continuous work surface |
| CN110983981A (en) * | 2019-12-18 | 2020-04-10 | 中交第一航务工程局有限公司 | Supporting method for assembled building template |
| CN113356574A (en) * | 2021-06-16 | 2021-09-07 | 重庆渝能建筑安装工程有限公司 | Building beam supporting structure and construction method |
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| US9777490B2 (en) | 2015-12-11 | 2017-10-03 | Falsework & Shoring Designs, Inc. | Falsework hook and fastener |
| JP6314279B1 (en) * | 2017-03-29 | 2018-04-18 | 東阪工業株式会社 | Temporary morning glory device |
| JP7194435B2 (en) * | 2019-09-24 | 2022-12-22 | 平和技研株式会社 | Structure of temporary scaffolding and connecting fittings used therefor |
| JP6900085B1 (en) * | 2020-10-23 | 2021-07-07 | 株式会社ワールドエンジニアリング | Cleaning equipment for pipe-shaped members |
| CN112459438A (en) * | 2020-11-30 | 2021-03-09 | 四川仟坤建设集团有限责任公司 | Scaffold structure and erection method thereof |
| CN112814419B (en) * | 2021-01-06 | 2022-05-20 | 江西省富煌钢构有限公司 | Strutting arrangement for steel construction |
| WO2023018940A2 (en) * | 2021-08-12 | 2023-02-16 | ScaffoldMart | Collapsible utility scaffold |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWM454435U (en) | 2013-06-01 |
| JP5422075B1 (en) | 2014-02-19 |
| US20150152654A1 (en) | 2015-06-04 |
| WO2014080998A1 (en) | 2014-05-30 |
| JP2014105572A (en) | 2014-06-09 |
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Application publication date: 20150401 |