CN110541560A - Novel scaffold connecting device - Google Patents
Novel scaffold connecting device Download PDFInfo
- Publication number
- CN110541560A CN110541560A CN201910891271.3A CN201910891271A CN110541560A CN 110541560 A CN110541560 A CN 110541560A CN 201910891271 A CN201910891271 A CN 201910891271A CN 110541560 A CN110541560 A CN 110541560A
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- CN
- China
- Prior art keywords
- clamping plate
- plate
- clamping
- limiting
- board
- Prior art date
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
- 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
Landscapes
- 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 discloses a novel scaffold connecting device, which comprises a first clamping plate and a second clamping plate which surround each other to clamp a steel pipe, and a stud and a nut which penetrate through the first clamping plate and the second clamping plate and lock the first clamping plate and the second clamping plate; the first clamping plate and the second clamping plate are semi-circular concave clamping plates, and the middle parts of the first clamping plate and the second clamping plate are provided with coaxial cavities for the studs to pass through; the head of the stud is provided with a crosspiece, the first clamping plate is provided with a groove matched with the shape of the crosspiece, and the second clamping plate is provided with a flat part for bearing the screw cap. The invention can solve the defects of heavy weight and inconvenient installation and disassembly of the traditional fastener, and has the advantages of quick installation, less used accessories and low cost.
Description
Technical Field
The invention relates to the field of civil engineering, in particular to a novel scaffold connecting device.
Background
Three mechanical properties of conventional construction fasteners: the anti-skid, anti-torsion and anti-damage capabilities are poor, the safety factor is low, the potential safety hazard is large, and meanwhile, the weight of each set of building fastener is large, so that the manufacturing cost is increased. A scaffold fastener as disclosed in publication CN 107165406 a, comprising a hoop body having a rotation axis, and a hoop body socket; at least three hoop bodies are arranged; at least three circumferential arc-shaped sliding holes for the rotating shafts of the hoop bodies to slide are staggered from top to bottom on the hoop body seat barrel from top to bottom in the axial direction; a limiting block is fixed at one end of the rotating shaft penetrating into the hoop body seat cylinder; and the hoop body seat barrel is respectively provided with a shaft positioning piece corresponding to the arc-shaped sliding hole. The structure is complex, heavy, and complex to install, and the anti-skid, anti-torsion and anti-damage capabilities of the scaffold cannot be well solved or improved.
disclosure of Invention
The invention aims to provide a novel scaffold connecting device which can overcome the defects of the prior art, can overcome the defects of heavy weight and inconvenience in installation and disassembly of the traditional fastener, and is quick to install, few in used accessories and low in cost.
The technical purpose of the invention is realized by the following technical scheme:
A novel scaffold connecting device comprises a first clamping plate and a second clamping plate which surround each other to clamp a steel pipe, and a stud and a nut which penetrate through the first clamping plate and the second clamping plate and lock the first clamping plate and the second clamping plate; the first clamping plate and the second clamping plate are semi-circular concave clamping plates, and the middle parts of the first clamping plate and the second clamping plate are provided with coaxial cavities for the studs to pass through.
This application adopts first splint, the second splint that can surround to embrace and cliies the steel pipe to use single bolt locking, reasonable in design, simple structure, it is practical convenient. Specifically, the first clamping plate and the second clamping plate are provided with hinges (not shown in the drawing) at the middle parts of corresponding edges in a structural mode similar to a door hinge to form rotary connection so as to complete opening and closing actions taking the hinges as rotary centers; the concave area between the first clamping plate and the second clamping plate forms a placing space of the steel pipes, the two steel pipes to be connected and fixed are respectively placed at two ends of the bolt separated clamping plate, the two clamping plates are tightened by utilizing a thread locking mode of a stud and a nut between the first clamping plate and the second clamping plate, and the two steel pipes clamped in the middle are clamped and fixed, so that the fixed state is achieved. Reasonable in design, simple structure, convenient operation, locking is firm, job stabilization nature is good, easily dismouting and factor of safety are higher relatively, very easily extensively promote.
Preferably, the head of the stud is provided with a crosspiece, the first clamping plate is provided with a groove which is matched with the shape of the crosspiece, and the second clamping plate is provided with a flat part which is used for bearing the nut.
Therefore, when the first clamping plate and the second clamping plate are locked, the crosspiece is embedded in the groove, the nut is flatly connected on the flat portion, the nut is stressed firmly when being screwed, and locking can be achieved tightly.
preferably, a pre-positioning structure is further arranged between the first clamping plate and the second clamping plate; the pre-positioning structure comprises first limiting plates which are arranged on the first clamping plate and positioned on the upper side and the lower side of the cavity, and an inserting plate which is thinner than the first limiting plate extends outwards from the outer end surface of the first limiting plate; the second clamping plate is provided with a second limiting plate which is consistent with the first limiting plate in position and thickness, an outward extending plate which is consistent with the second limiting plate in thickness extends outwards from the outer end face of the second limiting plate, and a connecting groove which is consistent with the plug-in board in thickness is formed in the outward extending plate.
Before the steel pipe is placed between the two clamping plates, the two clamping plates are rotated oppositely, the insertion plates are gradually inserted into the outward extending plates with the connecting grooves, so that the two clamping plates are temporarily formed to have a stable opening and closing angle, the relative positions are stable, the steel pipe cannot be shaken in disorder, and the placing action of the steel pipe cannot be influenced; in addition, after the two clamping plates are jointed, the heights of the upper bottom surface and the lower bottom surface of the first limiting plate and the second limiting plate are consistent, a complete placing plane of the end surface of the steel pipe is formed, the upper steel pipe and the lower steel pipe are suitable for being placed, the end parts of the two steel pipes are limited outside a stud passing area, the studs are protected, and smooth implementation of locking action of the two clamping plates is guaranteed.
Preferably, the end part of the insertion plate facing the connecting groove is provided with a chamfer, and the insertion plate is in clearance fit with the connecting groove.
The inserting plate provided with the chamfer is more easily, smoothly and accurately connected with the connecting groove, and the inserting plate and the connecting groove have certain joint stability through clearance fit and can be repeatedly recycled.
Preferably, the proportion of the area of the first limit plate in the axial projection of the first clamping plate in the projection area of the recess is more than 70%; the area of the second limiting plate in the axial projection of the second clamping plate has a specific gravity of more than 70% in the projection area of the recess.
Guarantee that sufficient area of contact occasionally when steel pipe terminal surface and first limiting plate or the contact of second limiting plate, the steel pipe is laid steadily.
Preferably, the insertion plate extends at least partially beyond the end face of the first clamping plate, and the extension plate extends at least partially beyond the end face of the second clamping plate.
Guarantee two splint just can make both keep certain position stable before the complete joint, the cavity position of two splint is close coaxial, conveniently grips splint in steel pipe male colleague one hand, holds the bolt in one hand and locks.
Preferably, the scaffold connecting device further comprises an upper wedge groove which is arranged on the upper portions of the inner surfaces of the first clamping plate and the second clamping plate along the axial direction and is shallow up and down, a lower wedge groove which is arranged on the lower portions of the inner surfaces of the first clamping plate and the second clamping plate along the axial direction and is deep up and down, and a wedge which is matched with the upper wedge groove or the lower wedge groove.
From this, after the steel pipe is installed to connecting device, through the extrusion of wedge and steel pipe surface and last wedge groove or lower wedge groove, effectively prevent the vertical slip and the pine of steel pipe, the anti-skidding anti-loosening's after the reinforcing steel pipe interconnect ability has improved joint strength and stability.
Preferably, the inner surfaces of the first clamping plate and the second clamping plate are provided with a plurality of spaced vertical ribs, and the surfaces of the ribs are coated with abrasive particles.
The surface of the steel pipe of scaffold frame often the corrosion phenomenon is more serious, and the surface is unsmooth uneven, and the rotation, dislocation and the circumference slip of steel pipe after connecting can effectively be prevented in the setting of bead, improve the anti torsional ability of steel pipe antiskid, improved joint strength and stability.
In conclusion, the invention has the following beneficial effects:
The utility model provides a novel scaffold frame connects device, reasonable in design, simple structure adopts two splint and the bolt swivelling joint of mutually supporting, and bolt and two splint mutually perpendicular realize the fastening. And a single stud is locked, so that the locking device is practical and convenient, has good working stability, and can efficiently achieve an ideal use effect in engineering use. The device is easy to disassemble and assemble, the safety coefficient is relatively high, the service time of workers is greatly shortened, meanwhile, the number of accessories of the device is small, the manufacturing cost is reduced, and the device is extremely easy to popularize widely.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an exploded view of the embodiment of FIG. 1;
FIG. 3 is a diagram illustrating a state of use of the embodiment of FIG. 1 after the steel pipes are connected;
FIG. 4 is a schematic view of a first splint;
FIG. 5 is a schematic view of the first clamping plate at another angle;
Fig. 6 is a schematic structural view of the second splint.
Detailed Description
the invention is described in further detail below with reference to the drawings and preferred embodiments.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
example (b): as shown in fig. 1-6, a novel scaffold connecting device comprises a first clamping plate 10 and a second clamping plate 20 which surround each other to clamp steel pipes, a stud 31 and a nut 32 which penetrate through the first clamping plate and the second clamping plate and lock the first clamping plate and the second clamping plate; the first clamping plate and the second clamping plate are semi-circular concave clamping plates, and the middle parts of the first clamping plate and the second clamping plate are provided with coaxial cavities 33 for the studs to pass through. The head of the stud is provided with a crosspiece 311, the first clamping plate is provided with a groove 11 which is matched with the shape of the crosspiece, and the second clamping plate is provided with a flat part 21 for receiving a nut.
a pre-positioning structure is also arranged between the first clamping plate and the second clamping plate; the pre-positioning structure comprises first limiting plates 12 which are arranged on the first clamping plate and positioned on the upper side and the lower side of the cavity, and inserting plates 13 which are thinner than the first limiting plates extend outwards from the outer end surfaces of the first limiting plates; the second clamping plate is provided with a second limiting plate 22 which is consistent with the first limiting plate in position and thickness, an extending plate 23 which is consistent with the second limiting plate in thickness extends outwards from the outer end face of the second limiting plate, and a connecting groove 24 which is consistent with the plug board in thickness is formed in the extending plate.
The end part of the insertion plate facing the connecting groove is provided with a chamfer, and the insertion plate is in clearance fit with the connecting groove. The proportion of the area of the first limiting plate in the axial projection of the first clamping plate in the blank projection area of the concave part is more than 70 percent; the area of the second limiting plate in the axial projection of the second clamping plate has a specific gravity of more than 70% in the projection area of the recess.
The plug board at least partially extends out of the end face of the first clamping board, and the extending board at least partially extends out of the end face of the second clamping board.
The clamping device further comprises an upper wedge groove 41 which is arranged on the upper portion of the inner surfaces of the first clamping plate and the second clamping plate along the axial direction and is shallow up and down, a lower wedge groove 42 which is arranged on the lower portion of the inner surfaces of the first clamping plate and the second clamping plate along the axial direction and is deep up and down, and a wedge 43 matched with the upper wedge groove or the lower wedge groove.
The first and second jaws are each provided on their inner surfaces with a plurality of spaced, vertically disposed ribs 50, the surfaces of which are coated with abrasive particles.
Claims (8)
1. The utility model provides a novel scaffold frame is connected device which characterized in that: the steel pipe clamping device comprises a first clamping plate (10) and a second clamping plate (20) which surround each other to clamp a steel pipe, and a stud (31) and a nut (32) which penetrate through the first clamping plate and the second clamping plate and lock the first clamping plate and the second clamping plate; the first clamping plate and the second clamping plate are semi-circular concave clamping plates, and the middle parts of the first clamping plate and the second clamping plate are provided with coaxial cavities (33) for the studs to pass through.
2. A new scaffold connection device according to claim 1, characterized in that: the head of the stud is provided with a crosspiece (311), the first clamping plate is provided with a groove (11) matched with the shape of the crosspiece, and the second clamping plate is provided with a flat part (21) used for bearing the nut.
3. A new scaffold connection device according to claim 1, characterized in that: a pre-positioning structure is also arranged between the first clamping plate and the second clamping plate; the pre-positioning structure comprises first limiting plates (12) which are arranged on the first clamping plate and are positioned on the upper side and the lower side of the cavity, and a plug-in board (13) which is thinner than the first limiting plate extends outwards from the outer end surface of the first limiting plate; the second clamping plate is provided with a second limiting plate (22) which is consistent with the first limiting plate in position and thickness, an outward extending plate (23) which is consistent with the second limiting plate in thickness is arranged on the outer end face of the second limiting plate in an outward extending mode, and a connecting groove (24) which is consistent with the plug board in thickness is formed in the outward extending plate.
4. A novel scaffolding coupler according to claim 3, wherein: the end part of the insertion plate facing the connecting groove is provided with a chamfer, and the insertion plate is in clearance fit with the connecting groove.
5. A novel scaffolding coupler according to claim 3, wherein: the proportion of the area of the first limiting plate in the axial projection of the first clamping plate in the blank projection area of the concave part is more than 70 percent; the area of the second limiting plate in the axial projection of the second clamping plate has a specific gravity of more than 70% in the projection area of the recess.
6. a novel scaffolding coupler according to claim 3, wherein: the plug board at least partially extends out of the end face of the first clamping board, and the extending board at least partially extends out of the end face of the second clamping board.
7. A new scaffold connection device according to claim 1, characterized in that: the clamping device further comprises an upper wedge groove (41) which is arranged on the upper portions of the inner surfaces of the first clamping plate and the second clamping plate along the axial direction and is shallow up and down, a lower wedge groove (42) which is arranged on the lower portions of the inner surfaces of the first clamping plate and the second clamping plate along the axial direction and is deep up and down, and a wedge (43) matched with the upper wedge groove or the lower wedge groove.
8. A new scaffold connection device according to claim 1, characterized in that: the inner surfaces of the first clamping plate and the second clamping plate are provided with a plurality of vertically arranged ribs (50) at intervals, and the surfaces of the ribs are coated with abrasive particles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891271.3A CN110541560A (en) | 2019-09-20 | 2019-09-20 | Novel scaffold connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891271.3A CN110541560A (en) | 2019-09-20 | 2019-09-20 | Novel scaffold connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110541560A true CN110541560A (en) | 2019-12-06 |
Family
ID=68714046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910891271.3A Pending CN110541560A (en) | 2019-09-20 | 2019-09-20 | Novel scaffold connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110541560A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196252A (en) * | 2020-12-07 | 2021-01-08 | 烟台华虹建筑科技有限公司 | Scaffold fastener |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201991214U (en) * | 2011-01-27 | 2011-09-28 | 王连祥 | Building joint fastener |
| CN103061498A (en) * | 2013-02-07 | 2013-04-24 | 朱新伟 | Scaffold butting assembly and male and female connectors thereof |
| CN203499238U (en) * | 2013-06-17 | 2014-03-26 | 河北欧克平衡块有限公司 | Novel butt fastener for steel pipe scaffold |
| CN204326506U (en) * | 2014-12-05 | 2015-05-13 | 浙江九恒建筑安全技术股份有限公司 | Scaffold butt joint fastener |
| CN208310172U (en) * | 2018-06-12 | 2019-01-01 | 日照市伟业工具有限公司 | Clasp in steel pipe |
| CN210857976U (en) * | 2019-09-20 | 2020-06-26 | 核工业井巷建设集团有限公司 | Novel scaffold connecting device |
-
2019
- 2019-09-20 CN CN201910891271.3A patent/CN110541560A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201991214U (en) * | 2011-01-27 | 2011-09-28 | 王连祥 | Building joint fastener |
| CN103061498A (en) * | 2013-02-07 | 2013-04-24 | 朱新伟 | Scaffold butting assembly and male and female connectors thereof |
| CN203499238U (en) * | 2013-06-17 | 2014-03-26 | 河北欧克平衡块有限公司 | Novel butt fastener for steel pipe scaffold |
| CN204326506U (en) * | 2014-12-05 | 2015-05-13 | 浙江九恒建筑安全技术股份有限公司 | Scaffold butt joint fastener |
| CN208310172U (en) * | 2018-06-12 | 2019-01-01 | 日照市伟业工具有限公司 | Clasp in steel pipe |
| CN210857976U (en) * | 2019-09-20 | 2020-06-26 | 核工业井巷建设集团有限公司 | Novel scaffold connecting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196252A (en) * | 2020-12-07 | 2021-01-08 | 烟台华虹建筑科技有限公司 | Scaffold fastener |
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