CN110700563B - Scaffold fixing assembly - Google Patents
Scaffold fixing assembly Download PDFInfo
- Publication number
- CN110700563B CN110700563B CN201911093231.0A CN201911093231A CN110700563B CN 110700563 B CN110700563 B CN 110700563B CN 201911093231 A CN201911093231 A CN 201911093231A CN 110700563 B CN110700563 B CN 110700563B
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- block
- wedge
- shaped pressing
- shaped
- handle
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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
- E04G7/02—Connections between parts of the scaffold with separate coupling elements
- E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
- E04G7/12—Clamps or clips for crossing members
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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)
Abstract
The invention belongs to the technical field of construction tools of scaffolds or supporting frames, and particularly relates to a scaffold fixing assembly which comprises a fastener and a loading and unloading tool detachably mounted on the fastener, wherein the fastener comprises two C-shaped pressing seats and two C-shaped pressing covers, a rectangular through hole is formed in a second extending block, a wedge block is arranged at the outer side of the wedge hole in a penetrating manner in the second extending block, the longitudinal section of the wedge block is in a right-angled trapezoid shape with a wide upper part and a narrow lower part, and a groove is formed in the inclined surface of the wedge block; the handling tool comprises a C-shaped connecting frame, two fixing blocks are integrally formed at the front end of the C-shaped connecting frame and clamped in the grooves, and a handle is connected to the middle of the rear end of the C-shaped connecting frame. The C-shaped pressing seat and the C-shaped pressing cover are fixed by only adopting a wedge block, so that the problems of easy damage, short service life and time and labor waste in disassembly caused by a hinged structure are solved; the two wedge blocks are connected through the assembling and disassembling tool, and then the assembling and disassembling of the two wedge blocks can be completed through knocking the assembling and disassembling tool, so that the assembling and disassembling efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of construction tools of scaffolds or support frames, and particularly relates to a scaffold fixing assembly.
Background
In the construction of building trade, people adopt various fasteners to set up the scaffold, and the fastener more commonly used has right angle fastener, butt joint fastener and rotatory fastener.
Chinese utility model patent (publication No. CN201250505Y) discloses a steel pipe scaffold wedging type rotary fastener, is formed through the riveting of rotatory round pin axle by the hoop formula buckle back to back of the body of two isostructures, and every hoop formula buckle includes a knot seat and an arc buckle closure, and the inner wall of knot seat is convex, the one end of this knot seat with the one end of buckle closure is articulated, and its key lies in: the other end of the buckle seat is provided with an upper ear and a lower ear, a gap is reserved between the two ears, and strip-shaped holes which are consistent with the axial direction of the rotary pin shaft are arranged on the two ears; the other end of the buckle cover is a movable end, a pin hole is arranged on the movable end, and when the pipeline is connected, the movable end is clamped between two ears of the buckle seat and is locked with the buckle seat through a wedge block penetrating through the strip-shaped hole and the pin hole.
But adopt between its knot seat and the buckle closure articulated, in the installation, its hinge structure damages easily for the installation is obstructed, in addition, scaffold frame uses the back for a long time, and hinge structure department corrodes the adhesion easily and inactivates, is difficult for breaking off the knot seat with the buckle closure, and the dismantlement is wasted time and energy.
Disclosure of Invention
The purpose of the invention is: the scaffold fixing assembly is characterized in that a C-shaped pressing seat and a C-shaped pressing cover are fixed by a wedge block, so that the problems that a hinge structure is easy to damage, the service life is short, and the disassembly is time-consuming and labor-consuming are solved; the two wedge blocks are connected through the assembling and disassembling tool, and then the assembling and disassembling of the two wedge blocks can be completed through knocking the assembling and disassembling tool, so that the assembling and disassembling efficiency is improved.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a scaffold fixing assembly comprises a fastener and a loading and unloading tool detachably mounted on the fastener, wherein the fastener comprises two C-shaped pressing seats and two C-shaped pressing covers, the two C-shaped pressing seats are connected back to back, the two C-shaped pressing covers are respectively arranged opposite to the two C-shaped pressing seats, the end parts of the two ends of each C-shaped pressing seat are integrally formed with a first extending block, the outer side surface of the first extending block is integrally formed with a connecting block, a wedge hole with a right trapezoid-shaped cross section is formed in the connecting block, the end parts of the two ends of each pressing cover are integrally formed with a second extending block, a rectangular through hole is formed in the second extending block, the connecting block is arranged in a rectangular through hole in a penetrating manner, a wedge block is arranged in the wedge hole in the second extending block in a penetrating manner, the longitudinal cross section of the wedge block is in a right trapezoid shape with a wide upper part and a narrow part, and a; the handling tool comprises a C-shaped connecting frame, two fixing blocks are integrally formed at the front end of the C-shaped connecting frame, the fixing blocks are clamped in the grooves, and a handle is connected to the middle of the rear end of the C-shaped connecting frame.
Further limiting, a first clamping block is integrally formed on the lower end face of the front portion of the fixing block, a first clamping groove is formed in the bottom of the groove of the wedge block and communicated with the groove, and the first clamping block is clamped in the first clamping groove. By means of the structural design, the wedge block is installed in the wedge hole, when the steel pipe is fixed, the assembling and disassembling tool can move downwards after the fixing block is pushed into the groove, the first clamping block is clamped into the first clamping groove, the assembling and disassembling tool hooks the wedge block through mutual matching of the first clamping block and the first clamping groove, and the wedge block is prevented from being separated from the assembling and disassembling tool in the installation process.
Further limiting, a second clamping block is integrally formed on the upper end face of the front portion of the fixing block, a second clamping groove is formed in the top of the groove of the wedge block and communicated with the groove, and the second clamping block is clamped in the second clamping groove. Due to the structural design, the wedge block is pulled out of the wedge hole, when the fastener is dismantled, the assembling and disassembling tool can be moved upwards after the fixing block is pushed into the groove, the second clamping block is clamped into the second clamping groove, and the assembling and disassembling tool hooks the wedge block through the mutual matching of the second clamping block and the second clamping groove, so that the wedge block is prevented from being separated from the assembling and disassembling tool in the dismantling process.
Further inject, the rear end of C shape link is equipped with a plurality of first cylinders of evenly arranging, a plurality of first blind holes have been seted up on the handle, first cylinder wears to establish in first blind hole. Such structural design, when using handling instrument, can be according to operator's operating custom and different operating conditions, adjust the contained angle between handle and the C shape link, if install the wedge in carving the hole, when accomplishing the fixed to the steel pipe, adjust the angle between handle and the C shape link into, the handle is located C shape link below, and be located C shape link left side, at this moment, the operation personnel can grasp the handle with the left hand, the right hand uses the hammer to strike the C shape link, if the operation personnel is used to the hand for the left hand, when adjusting the angle between handle and the C shape link, can make the handle be located C shape link right side, the operation personnel grasps the handle with the right hand, the left hand is held the hammer and is strikeed the C shape link.
Further inject, C shape link rear end still is equipped with the second cylinder, it has magnet to inlay on the second cylinder, the second blind hole has been seted up on the handle, the second cylinder is worn to establish in the second blind hole. Due to the structural design, the C-shaped connecting frame and the handle can be prevented from being separated accidentally.
Further inject, the handle includes iron system connector and rubber handle, first blind hole and second blind hole are all seted up on iron system connector, iron system connector free end integrated into one piece has the cross-section to be the connection platform of falling T form, set up the connection blind hole that the cross-section is the form of falling T on the rubber handle, connect the platform card and establish in connecting the blind hole. Such structural design reduces C shape link through the rubber handle and strikes the in-process, transmits the vibrations on hand to the rubber, improves the comfort level of grabbing the hand on hand rubber handle, and the practicality is stronger.
Further limiting, a magnet is embedded in the front end face of the fixed block. According to the structural design, when the C-shaped connecting frame is used, the wedge blocks are fixed on the assembling and disassembling tool through the adsorption of the magnets to the wedge blocks, then the two wedge blocks are placed in the corresponding wedge holes through the assembling and disassembling tool, and finally the C-shaped connecting frame is knocked by using the hammer, so that the use is more convenient; meanwhile, the magnet can prevent the wedge block from falling off from the assembling and disassembling tool.
Further limit, the middle part of the C-shaped connecting frame is integrally formed with a boss. According to the structural design, the middle part of the C-shaped connecting frame is marked through the boss, and when the C-shaped connecting frame is knocked, the boss is aligned to the boss to knock, so that the two fixing blocks bear the same force, and the synchronous motion of the two wedge blocks is guaranteed.
Further, the inner walls of the C-shaped pressing seat and the C-shaped pressing cover are provided with internal threads. Such structural design, the external screw thread that the cooperation was seted up on the steel pipe corresponds can strengthen the frictional force between steel pipe and the fastener, avoids the steel pipe slippage.
The invention adopting the technical scheme has the advantages that:
1. the C-shaped pressing seat and the C-shaped pressing cover are fixed by only adopting a wedge block, so that the problems of easy damage, short service life and time and labor waste in disassembly caused by a hinged structure are solved;
2. the internal thread on the inner wall of the fastener is matched with the external thread arranged on the steel pipe, so that the friction force between the steel pipe and the fastener is enhanced, and the steel pipe is prevented from slipping;
3. the two wedge blocks are connected through the assembling and disassembling tool, and then the assembling and disassembling of the two wedge blocks can be completed through knocking the assembling and disassembling tool, so that the assembling and disassembling efficiency is improved;
4. when the wedge block is used, the wedge block is connected through the assembling and disassembling tool, the wedge block does not need to be held by hands for knocking, the problem that the hands of an operator are knocked due to improper operation in operation is avoided, and the operation safety is improved;
5. the vibration transmitted to the handle in the knocking process of the C-shaped connecting frame is reduced through the rubber handle, and the comfort level of a hand for grabbing the handle is improved.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
fig. 1 is a schematic structural view of a scaffold securing assembly of the present invention;
fig. 2 is an exploded view of a fastener of a scaffold mounting assembly according to the present invention;
FIG. 3 is a schematic cross-sectional view of wedges in a scaffold mounting assembly according to the present invention;
fig. 4 is a schematic view of a loading and unloading tool of a scaffold securing assembly according to the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
the main element symbols are as follows:
c-shaped pressing seat 1, steel pipe 10, external thread 101,
A first extension block 11, a connecting block 12, a wedge hole 13,
A C-shaped gland 2, an internal thread 20, a second extension block 21, a rectangular through hole 22,
The wedge 3, the groove 31, the first slot 311, the second slot 312,
The connecting device comprises a boss 40, a C-shaped connecting frame 41, a first cylinder 411, a second cylinder 412, a fixing block 42, a first fixture block 421, a second fixture block 422, an iron connecting head 43, a connecting table 430, a rubber handle 44 and a connecting blind hole 440.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, the scaffold fixing assembly of the present invention comprises a fastener and a loading and unloading tool detachably mounted on the fastener, wherein the fastener comprises two C-shaped pressing bases 1 and two C-shaped pressing covers 2, the two C-shaped pressing bases 1 are connected back to back, the two C-shaped pressing covers 2 are respectively arranged opposite to the two C-shaped pressing bases 1, the two ends of the C-shaped pressing bases 1 are respectively and integrally formed with a first extending block 11, the outer side surface of the first extending block 11 is integrally formed with a connecting block 12, the connecting block 12 is provided with a wedge hole 13 having a right trapezoid cross section, the two ends of the pressing covers 2 are integrally formed with a second extending block 21, the second extending block 21 is provided with a rectangular through hole 22, the connecting block 12 is inserted into the rectangular through hole 22, the wedge hole 13 is inserted into the wedge block 3 outside the second extending block 21, the longitudinal cross section of the wedge block 3 is in a right trapezoid shape with a wide top and a narrow bottom, and the inclined plane of the wedge block; the assembling and disassembling tool comprises a C-shaped connecting frame 41, two fixing blocks 42 are integrally formed at the front end of the C-shaped connecting frame 41, the fixing blocks 42 are clamped in the grooves 31, and a handle is connected to the middle of the rear end of the C-shaped connecting frame 41.
The first latch 421 is integrally formed on the lower end surface of the front portion of the fixing block 42, the wedge 3 is provided with a first engaging groove 311 at the bottom of the groove 31, the first engaging groove 311 is communicated with the groove 31, and the first latch 421 is engaged in the first engaging groove 311. When the wedge 3 is installed in the wedge hole 13 and the steel pipe 1 is fixed, after the fixing block 42 is pushed into the groove 31, the assembling and disassembling tool can be moved downwards, so that the first clamping block 421 is clamped into the first clamping groove 311, and the assembling and disassembling tool hooks the wedge 3 through the mutual matching of the first clamping block 421 and the first clamping groove 311, and the wedge 3 is prevented from being separated from the assembling and disassembling tool in the installation process.
The upper end surface of the front portion of the fixing block 42 is integrally formed with a second engaging block 422, the wedge 3 is provided with a second engaging groove 312 at the top of the groove 31, the second engaging groove 312 is communicated with the groove 31, and the second engaging block 422 is engaged in the second engaging groove 312. When the wedge block 3 is pulled out of the wedge hole 13 and the fastener is removed, after the fixing block 42 is pushed into the groove 31, the assembling and disassembling tool can be moved upwards, so that the second clamping block 422 is clamped into the second clamping groove 312, and the assembling and disassembling tool hooks the wedge block 3 through the mutual matching of the second clamping block 422 and the second clamping groove 312, and the wedge block 3 is prevented from being separated from the assembling and disassembling tool in the disassembling process.
The rear end of the C-shaped connecting frame 41 is provided with a plurality of first cylinders 411 which are uniformly arranged, the number of the first cylinders 411 is two, three, four or more, preferably four, the handle is provided with a plurality of first blind holes, and the first cylinders 411 are arranged in the first blind holes in a penetrating manner. When the assembling and disassembling tool is used, the included angle between the handle and the C-shaped connecting frame 41 can be adjusted according to the operation habits and different working conditions of an operator, if the wedge block 3 is installed in the wedge hole 13, when the steel pipe 1 is fixed, the angle between the handle and the C-shaped connecting frame 41 is adjusted, the handle is located below the C-shaped connecting frame 41 and located on the left side of the C-shaped connecting frame 41, at the moment, an operator can grasp the handle with the left hand, the right hand can use the hammer to knock the C-shaped connecting frame 41, if the operator uses the left hand, when the angle between the handle and the C-shaped connecting frame 41 is adjusted, the handle can be located on the right side of the C-shaped connecting frame 41, the operator grasps the handle with the right hand, and the left hand holds the hammer to knock the C-shaped connecting frame 41.
The included angle between handle and the C-shaped connecting frame 41 is adjusted in such a way that the handle is taken down from the C-shaped connecting frame 41 and corresponds to different first blind holes through the first cylinder 411, and then the handle is sleeved on the C-shaped connecting frame 41, so that the included angle between the handle and the C-shaped connecting frame 41 is adjusted.
The rear end of the C-shaped connecting frame 41 is further provided with a second cylinder 412, a magnet is embedded on the second cylinder 412, a second blind hole is formed in the handle, and the second cylinder 412 penetrates through the second blind hole. Accidental disengagement between the C-shaped attachment bracket 41 and the handle is avoided.
The handle includes iron system connector 43 and rubber handle 44, and first blind hole and second blind hole are all seted up on iron system connector 43, and iron system connector 43 free end integrated into one piece has the cross-section to be the connection platform 430 of form of falling T, has seted up the cross-section on the rubber handle 44 and is the connection blind hole 440 of form of falling T, and connection platform 430 card is established in connecting blind hole 440. The C-shaped connecting frame 41 is reduced through the rubber handle 44, vibration transmitted to the rubber handle 44 in the knocking process is reduced, the comfort level of a hand for grabbing the rubber handle 44 is improved, and the practicability is high.
The front end face of the fixing block 42 is also embedded with a magnet. When the tool is used, the wedges 3 are fixed on the assembling and disassembling tool through the adsorption of the magnets to the wedges 3, then the two wedges 3 are placed in the corresponding wedge holes 13 through the assembling and disassembling tool, and finally the C-shaped connecting frame 41 is knocked by using the hammer, so that the tool is more convenient to use; at the same time, the magnets prevent the wedges 3 from falling off the handling tool.
The middle part of the C-shaped connecting frame 41 is integrally formed with a boss 40. The middle part of the C-shaped connecting frame 41 is marked through the boss 40, and when the C-shaped connecting frame is knocked, the boss 40 is aligned to the boss to knock, so that the two fixing blocks 42 bear the same force, and the synchronous motion of the two wedge blocks 3 is ensured.
The inner walls of the C-shaped pressing seat 1 and the C-shaped pressing cover 2 are both provided with internal threads 20. The corresponding external thread 101 provided on the steel pipe 10 can enhance the friction between the steel pipe 10 and the fastener, and prevent the steel pipe 10 from slipping.
In the embodiment, when the steel pipe 1 is fixed, the steel pipe 1 is placed in the C-shaped pressing seat 1, the C-shaped pressing cover 2 covers the steel pipe 1, the C-shaped pressing cover 2 penetrates through the corresponding connecting block 12, then the wedges 3 are clamped on the fixing block 42, the wedges 3 are fixed on the assembling and disassembling tool through the adsorption of the magnets to the wedges 3, then the two wedges 3 are placed in the corresponding wedge holes 13 through the assembling and disassembling tool, finally the C-shaped connecting frame 41 is knocked from top to bottom by using a hammer until the fastener clamps the steel pipe 1, and finally the assembling and disassembling tool is taken down;
when the fastener is disassembled, the assembling and disassembling tool is installed on the two wedges 3, the fixing block 42 is clamped in the groove 31, and the C-shaped connecting frame 41 is knocked by the hammer from bottom to top until the wedges 3 are separated from the wedge holes 13.
The scaffold securing assembly provided by the present invention has been described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. A subassembly is fixed to scaffold frame which characterized in that: the clamping device comprises a fastener and a handling tool detachably mounted on the fastener, wherein the fastener comprises two C-shaped pressing seats (1) and two C-shaped pressing covers (2), the two C-shaped pressing seats (1) are connected back to back, the two C-shaped pressing covers (2) are respectively arranged opposite to the two C-shaped pressing seats (1), the two end parts of the C-shaped pressing seats (1) are respectively and integrally formed with a first extending block (11), the outer side surface of the first extending block (11) is integrally formed with a connecting block (12), a wedge hole (13) with a right-angled trapezoid-shaped cross section is formed in the connecting block (12), the two end parts of the pressing covers (2) are respectively and integrally formed with a second extending block (21), a rectangular through hole (22) is formed in the second extending block (21), the connecting block (12) is arranged in the rectangular through hole (22), and the wedge hole (13) is arranged outside the second extending block (21) in a penetrating manner, the longitudinal section of the wedge block (3) is in a right-angle trapezoid shape with a wide upper part and a narrow lower part, and a groove (31) is formed in the inclined surface of the wedge block (3); handling instrument includes C shape link (41), the front end integrated into one piece of C shape link (41) has two fixed blocks (42), fixed block (42) card is established in recess (31), C shape link (41) rear end middle part is connected with the handle.
2. A scaffold attachment assembly according to claim 1, in which: the lower end face of the front portion of the fixing block (42) is integrally formed with a first clamping block (421), the wedge block (3) is provided with a first clamping groove (311) at the bottom of the groove (31), the first clamping groove (311) is communicated with the groove (31), and the first clamping block (421) is clamped in the first clamping groove (311).
3. A scaffold attachment assembly according to claim 1, in which: the upper end surface of the front part of the fixing block (42) is integrally formed with a second clamping block (422), the top of the groove (31) of the wedge block (3) is provided with a second clamping groove (312), the second clamping groove (312) is communicated with the groove (31), and the second clamping block (422) is clamped in the second clamping groove (312).
4. A scaffold attachment assembly according to claim 1, in which: the rear end of the C-shaped connecting frame (41) is provided with a plurality of first cylinders (411) which are uniformly arranged, the handle is provided with a plurality of first blind holes, and the first cylinders (411) penetrate through the first blind holes.
5. A scaffold attachment assembly according to claim 4, in which: the rear end of the C-shaped connecting frame (41) is further provided with a second cylinder (412), a magnet is embedded in the second cylinder (412), a second blind hole is formed in the handle, and the second cylinder (412) penetrates through the second blind hole.
6. A scaffold attachment assembly according to claim 5, in which: the handle includes iron system connector (43) and rubber handle (44), first blind hole and second blind hole are all seted up on iron system connector (43), iron system connector (43) free end integrated into one piece has the cross-section to be connection platform (430) of falling the T form, set up connection blind hole (440) that the cross-section is the form of falling T on rubber handle (44), connect platform (430) card to establish in connecting blind hole (440).
7. A scaffold attachment assembly according to claim 1, in which: and a magnet is also embedded in the front end surface of the fixed block (42).
8. A scaffold attachment assembly according to claim 1, in which: and a boss (40) is integrally formed in the middle of the C-shaped connecting frame (41).
9. A scaffold attachment assembly according to claim 1, in which: the inner walls of the C-shaped pressing seat (1) and the C-shaped pressing cover (2) are provided with internal threads (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911093231.0A CN110700563B (en) | 2019-11-11 | 2019-11-11 | Scaffold fixing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911093231.0A CN110700563B (en) | 2019-11-11 | 2019-11-11 | Scaffold fixing assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110700563A CN110700563A (en) | 2020-01-17 |
| CN110700563B true CN110700563B (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911093231.0A Active CN110700563B (en) | 2019-11-11 | 2019-11-11 | Scaffold fixing assembly |
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| CN (1) | CN110700563B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB462801A (en) * | 1935-07-18 | 1937-03-16 | Johan Friedrich Koehnke | Improvements relating to scaffold clamps and like connecting members |
| FR2250881A2 (en) * | 1973-11-13 | 1975-06-06 | Zaidan Joseph | Clamp for steel scaffolding pipes - is made from cruciform pierced plate and by inserting pressed steel wedges |
| NL8303732A (en) * | 1983-10-28 | 1985-05-17 | Thiel Van Nv | Tubular scaffolding with clamps - has pins in tubes engaging in holes in clamps or stirrups |
| JP2000008604A (en) * | 1998-06-19 | 2000-01-11 | Fumio Fujiki | Clamp and clamp device for pipe |
| CN2703075Y (en) * | 2004-05-10 | 2005-06-01 | 张树荣 | Lead and taper type multifunction scaffold |
| CN102268918A (en) * | 2010-06-07 | 2011-12-07 | 姚维华 | Connecting piece for scaffold |
| EP2505741A1 (en) * | 2011-03-30 | 2012-10-03 | Marcegaglia Buildtech S.R.L | Joint for installation of scaffolding tubes, and scaffold comprising said joint |
| CN202882390U (en) * | 2012-11-14 | 2013-04-17 | 胡志国 | New wedge-type rotating metal fasteners without screw |
| CN205688785U (en) * | 2016-06-21 | 2016-11-16 | 江苏省华建建设股份有限公司 | A kind of reducing cross pipeline connects fixing device |
| CN205777456U (en) * | 2016-05-31 | 2016-12-07 | 李书峰 | A kind of wheel locking-type steel pipe scaffold right-angle coupler |
| CN206607841U (en) * | 2017-03-20 | 2017-11-03 | 浙江省二建建设集团有限公司 | A kind of fixing device connected for scaffold |
-
2019
- 2019-11-11 CN CN201911093231.0A patent/CN110700563B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB462801A (en) * | 1935-07-18 | 1937-03-16 | Johan Friedrich Koehnke | Improvements relating to scaffold clamps and like connecting members |
| FR2250881A2 (en) * | 1973-11-13 | 1975-06-06 | Zaidan Joseph | Clamp for steel scaffolding pipes - is made from cruciform pierced plate and by inserting pressed steel wedges |
| NL8303732A (en) * | 1983-10-28 | 1985-05-17 | Thiel Van Nv | Tubular scaffolding with clamps - has pins in tubes engaging in holes in clamps or stirrups |
| JP2000008604A (en) * | 1998-06-19 | 2000-01-11 | Fumio Fujiki | Clamp and clamp device for pipe |
| CN2703075Y (en) * | 2004-05-10 | 2005-06-01 | 张树荣 | Lead and taper type multifunction scaffold |
| CN102268918A (en) * | 2010-06-07 | 2011-12-07 | 姚维华 | Connecting piece for scaffold |
| EP2505741A1 (en) * | 2011-03-30 | 2012-10-03 | Marcegaglia Buildtech S.R.L | Joint for installation of scaffolding tubes, and scaffold comprising said joint |
| CN202882390U (en) * | 2012-11-14 | 2013-04-17 | 胡志国 | New wedge-type rotating metal fasteners without screw |
| CN205777456U (en) * | 2016-05-31 | 2016-12-07 | 李书峰 | A kind of wheel locking-type steel pipe scaffold right-angle coupler |
| CN205688785U (en) * | 2016-06-21 | 2016-11-16 | 江苏省华建建设股份有限公司 | A kind of reducing cross pipeline connects fixing device |
| CN206607841U (en) * | 2017-03-20 | 2017-11-03 | 浙江省二建建设集团有限公司 | A kind of fixing device connected for scaffold |
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| Publication number | Publication date |
|---|---|
| CN110700563A (en) | 2020-01-17 |
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