CN113047604A - High stability construction scaffold assembly structure - Google Patents
High stability construction scaffold assembly structure Download PDFInfo
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- CN113047604A CN113047604A CN202110263283.9A CN202110263283A CN113047604A CN 113047604 A CN113047604 A CN 113047604A CN 202110263283 A CN202110263283 A CN 202110263283A CN 113047604 A CN113047604 A CN 113047604A
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- clamp
- central
- pin
- steel pipe
- screw hole
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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
- E04G7/20—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
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- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to the technical field of building construction. The high-stability scaffold assembly structure for building construction comprises a connecting clamp and two steel pipes, wherein the steel pipes are in butt joint through the connecting clamp; the connecting clamp comprises an inner clamp for inserting the steel pipe and an outer clamp for locking the steel pipe; the inner clamp is in a straight cylinder shape, and the inner diameter of the inner clamp is matched with the outer diameter of the steel pipe; a transverse central disc is arranged in the middle section of the inner clamp, inner connecting columns are arranged above and below the central disc, and the outer diameter of each inner connecting column is matched with the inner diameter of the steel pipe; the steel pipe penetrates through the inner clamp, and the pipe wall of the steel pipe is clamped between the inner clamp and the inner connecting column; the outer clamp comprises two semicircular clamping plates, connecting edges are arranged at two ends of each clamping plate, and the connecting edges of the two clamping plates are locked through side bolts. The invention can greatly improve the butt joint strength between the steel pipes, improve the stability of the scaffold and reduce the construction risk.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a high-stability scaffold assembly structure for building construction.
Background
The scaffold is an auxiliary device widely adopted in the building construction process, and generally, steel pipes are connected by utilizing connecting buckles to form a rectangular or other-shaped support frame body. However, for a scaffold with a large height, the length of the required supporting steel pipes is long, and the length of the general steel pipes is about 6 meters. Traditional scaffold is when carrying out the steel pipe butt joint, generally adopts a straight section of thick bamboo connector link, and straight section of thick bamboo connector link generally includes a straight sleeve, and the tip of two steel pipes that will dock inserts respectively in the straight sleeve, then utilizes the bolt to support steel pipe and straight sleeve tightly, perhaps straight sleeve is direct to constitute clamp formula structure by two articulated semicircle spares, realizes the clamp tight to the steel pipe tip through two semicircle spares of bolt locking. Although simple, the connection strength is limited, and the method is not suitable for being applied to large scaffolds, and especially for the large scaffolds, the shortage of the connection strength can greatly increase the potential safety hazard.
Disclosure of Invention
The invention aims to provide a high-stability scaffold assembly structure for building construction, which can greatly improve the butt joint stability of steel pipes.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a high-stability scaffold assembly structure for building construction comprises a connecting clamp and two steel pipes, wherein the steel pipes are in butt joint through the connecting clamp; the connecting clamp comprises an inner clamp for inserting the steel pipe and an outer clamp for locking the steel pipe;
the inner clamp is in a straight cylinder shape, and the inner diameter of the inner clamp is matched with the outer diameter of the steel pipe; a transverse central disc is arranged in the middle section of the inner clamp, inner connecting columns are arranged above and below the central disc, and the outer diameter of each inner connecting column is matched with the inner diameter of the steel pipe; the steel pipe penetrates through the inner clamp, and the pipe wall of the steel pipe is clamped between the inner clamp and the inner connecting column;
the outer clamp comprises two semicircular clamping plates, connecting edges are arranged at two ends of each clamping plate, and the connecting edges of the two clamping plates are locked through side bolts; the inner walls of the upper section and the lower section of the clamping plate are provided with transversely extending central pins in pairs; the side walls of the inner clamp, the steel pipe and the inner connecting column are correspondingly provided with pin holes for the central pins to pass through, the pin holes are matched with the central pins, and the central pins positioned on two sides of the clamping plate are mutually lapped.
Preferably, the overhanging end of one central pin is provided with a semicircular groove, the overhanging end of the other central pin is provided with a boss matched with the groove, and the boss is clamped in the groove to form a lap joint.
Preferably, a first pin screw hole extending axially along the central pin is arranged in the central pin of one of the clamping plates, and the first pin screw hole penetrates from the end face of the central pin to the outer surface of the clamping plate; a second pin screw hole extending along the axial direction of the central pin is formed in the central pin of the other clamping plate, and the second pin screw hole extends to the middle section of the central pin from the end surface of the central pin; and a central bolt matched with the first pin screw hole and the second pin screw hole is arranged in each pair of the first pin screw hole and the second pin screw hole, and the central bolt is arranged in the first pin screw hole and the second pin screw hole in a penetrating manner to form locking of the two central pins.
Preferably, the head of the central bolt is located in a counter bore on the side wall of the clamping plate, and the head of the central bolt is provided with an inner hexagonal screwing groove.
Preferably, the cross section of the internal connecting column is circular.
Preferably, the cross section of the internal connecting column is circular.
Preferably, the cross section of the inner connecting column is in a cross shape.
The beneficial effects of the invention are concentrated and expressed as follows: the strength of butt joint between the improvement steel pipe that can be very big improves the stability of scaffold frame, has reduced the construction risk. Specifically, in the using process of the steel pipe clamp, the steel pipe is clamped between the inner clamp and the inner connecting column, on one hand, the inner wall surface of the inner clamp can stably limit the outer wall of the steel pipe, on the other hand, the inner connecting column can also stably limit the inner wall of the steel pipe, so that the connection stability of the steel pipe is greatly improved, the longitudinal stress can be uniformly distributed on the whole central disc, the transverse stress can be uniformly distributed on the inner connecting column and the wall surface of the inner clamp, and the multipoint stress is formed. Meanwhile, the central pin transversely penetrates through the inner clamp, the steel pipe and the inner connecting column, and stress, particularly longitudinal stress is distributed on the central disc, the inner clamp and the outer clamp more dispersedly through the central pin, so that the longitudinal stress is further distributed reasonably, the stress condition of the scaffold is improved, and the scaffold is particularly suitable for butt joint of long beams or columns of large scaffolds. In addition, the central column pins adopt a lap joint mode, so that when the two central column pins bear the pressure from the internal column, a complete stress whole can be formed, and the overall stability is further improved.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a schematic structural diagram of the structure shown in FIG. 1 in a top view;
FIG. 3 is a schematic view of the connector of FIG. 1 in an exploded configuration;
fig. 4 is a schematic diagram of a preferred internal connector.
Detailed Description
As shown in fig. 1 to 4, a scaffold assembly structure for high stability building construction includes a connection clip 1 and two steel pipes 2, and is mainly applied to a situation where the steel pipes need to be butted when the length of independent steel pipes, such as beam steel pipes and column steel pipes, of a large scaffold is insufficient. The steel pipes 2 are butted through the connecting clamp 1, and the connecting clamp 1 comprises an inner clamp 3 for inserting the steel pipes 2 and an outer clamp 4 for locking the steel pipes 2. That is, the inner clamp 3 of the invention mainly has the functions of limiting the steel pipe 2 and assisting locking; and the outer clamp 4 is mainly used for locking the steel pipe 2 and assisting in limiting.
As shown in fig. 1, the inner clip 3 is in a straight cylinder shape, the inner diameter of the inner clip 3 is matched with the outer diameter of the steel pipe 2, the steel pipe 2 can be conveniently inserted into the inner clip 3, the outer edge of the steel pipe 2 is limited, and different types of connecting clips 1 are required to be selected for different types of steel pipes 2. A transverse central disc 5 is arranged in the middle section of the inner clamp 3, when the steel pipe 2 is connected in place, the end part of the inner clamp is abutted against the central disc 5, and the axial position is limited by the central disc 5. Of course, the central disk 5 can also take the form of a shoulder, in which case the overall weight of the inner card 3 is lighter. And internal connecting columns 6 are arranged above and below the central disc 5, and the outer diameter of each internal connecting column 6 is matched with the inner diameter of the steel pipe 2. The internal connecting column 6 is mainly used for limiting the inner edge of the steel pipe 2, and the internal connecting column 6 has more specific shapes, such as: the cross section of the internal connecting column 6 can be circular, the cross section of the internal connecting column 6 can also be circular, and can also be as shown in figure 4, the cross section of the internal connecting column 6 is cross-shaped, and the internal connecting column 6 with the structure is not only light in weight, but also good in structural strength. The steel pipe 2 penetrates through the inner clamp 3, the pipe wall of the steel pipe 2 is clamped between the inner clamp 3 and the inner connecting column 6, the inner and outer limiting effects on the steel pipe 2 are formed by the inner clamp 3 and the inner connecting column 6, theoretically, the limiting effect is better when the length of the inner connecting column 6 is longer, and the length of the inner connecting column 6 can be maintained at about 10-20CM in consideration of installation flexibility and total weight.
As shown in fig. 3, the outer card 4 includes two semicircular card boards 7, connecting edges 8 are provided at two ends of the card boards 7, and the connecting edges 8 of the two card boards 7 are locked together by side bolts 9. The inner walls of the two sides of the upper section and the lower section of the clamping plate 7 are provided with a central pin 10 which extends transversely in pairs. The side walls of the inner clamp 3, the steel pipe 2 and the inner connecting column 6 are correspondingly provided with pin holes for the central pins 10 to pass through, the pin holes are matched with the central pins 10, and the central pins 10 on two sides of the clamping plate 7 are mutually lapped. The overlap is that the two center pins 10 are not simply contacted, but form a certain clamping or resisting to realize the stress transmission between the two.
The specific form of the lap joint may be, as shown in fig. 1, two central pins 10 which are located at two sides of the clamping plate 7 and are arranged in pairs, wherein the overhanging end of one central pin 10 is provided with a semicircular groove, and the overhanging end of the other central pin 10 is provided with a protruding part which is matched with the groove, and the protruding part is clamped in the groove to form the lap joint. After adopting this kind of mode, semicircular recess can be with the even dispersion of stress to whole bellying for area of contact between the two is bigger, prevents that the too concentrated condition of stress from taking place.
In order to further improve the structural strength of the present invention, it is preferable that two center pins 10 are fixedly connected, and for this purpose, a first pin screw hole 11 extending in the axial direction of the center pin 10 is provided in the center pin 10 of one of the clamping plates 7 of the present invention, and the first pin screw hole 11 penetrates from the end surface of the center pin 10 to the outer surface of the clamping plate 7. A second pin screw hole 12 extending along the axial direction of the central pin 10 is arranged in the central pin 10 of the other clamping plate 7, and the second pin screw hole 12 extends from the end surface of the central pin 10 to the middle section of the central pin 10. A matched central bolt 13 is arranged in each pair of the first pin screw hole 11 and the second pin screw hole 12, and the central bolt 13 penetrates through the first pin screw hole 11 and the second pin screw hole 12 to lock the two central pins 10. The central bolt 13 makes the connection of the central pin 10 tighter and also achieves a stress bridge between the two.
In order to accommodate the head of the central bolt 13 and reduce the risk of mistaken rotation and loosening of the central bolt, the head of the central bolt 13 is located in a counter bore in the side wall of the clamping plate 7, and the head of the central bolt 13 is provided with an inner hexagonal screwing groove.
In the use process of the invention, the steel pipe 2 is clamped between the inner clamp 3 and the inner connecting column 6, on one hand, the inner wall surface of the inner clamp 3 can stably limit the outer wall of the steel pipe 2, and on the other hand, the inner connecting column 6 can also stably limit the inner wall of the steel pipe 2, so that the connection stability of the steel pipe 2 is greatly improved, the longitudinal stress can be uniformly distributed on the whole central disc 5, and the transverse stress can be uniformly dispersed on the inner connecting column 6 and the wall surface of the inner clamp 3, thereby forming multi-point stress. Meanwhile, the central pin 10 transversely penetrates through the inner clamp 3, the steel pipe 2 and the inner connecting column 6, and stress, particularly longitudinal stress is distributed on the central disc 5, the inner clamp 3 and the outer clamp 4 more dispersedly through the central pin 10, so that the longitudinal stress is further distributed reasonably, the stress condition of the scaffold is improved, and the scaffold is particularly suitable for butt joint of long beams or columns of a large scaffold. In addition, the central column pins 10 adopt a lap joint mode, so that when the two central column pins 10 bear the pressure from the internal column 6, a complete stressed whole can be formed, and the overall stability is further improved.
Claims (7)
1. The utility model provides a high stability construction scaffold assembly structure which characterized in that: the steel tube butt joint device comprises a connecting clamp (1) and two steel tubes (2), wherein the steel tubes (2) are in butt joint through the connecting clamp (1); the connecting clamp (1) comprises an inner clamp (3) for inserting the steel pipe (2) and an outer clamp (4) for locking the steel pipe (2);
the inner clamp (3) is in a straight cylinder shape, and the inner diameter of the inner clamp (3) is matched with the outer diameter of the steel pipe (2); a transverse central disc (5) is arranged in the middle section of the inner clamp (3), inner connecting columns (6) are arranged above and below the central disc (5), and the outer diameters of the inner connecting columns (6) are matched with the inner diameter of the steel pipe (2); the steel pipe (2) penetrates through the inner clamp (3), and the pipe wall of the steel pipe (2) is clamped between the inner clamp (3) and the inner connecting column (6);
the outer clamp (4) comprises two semicircular clamping plates (7), connecting edges (8) are arranged at two ends of each clamping plate (7), and the connecting edges (8) of the two clamping plates (7) are locked through side bolts (9); the inner walls of the two sides of the upper section and the lower section of the clamping plate (7) are provided with center pins (10) which extend transversely in pairs; the side walls of the inner clamp (3), the steel pipe (2) and the inner connecting column (6) are correspondingly provided with pin holes for the central pins (10) to pass through, the pin holes are matched with the central pins (10), and the central pins (10) positioned on two sides of the clamping plate (7) are mutually overlapped.
2. The high-stability construction scaffold assembly structure of claim 1, wherein: the clamp plate is characterized in that two central pins (10) which are arranged in pairs and located on two sides of the clamp plate (7), the overhanging end of one central pin (10) is provided with a semicircular groove, the overhanging end of the other central pin (10) is provided with a protruding portion matched with the groove, and the protruding portion is clamped in the groove to form a lap joint.
3. The high-stability construction scaffold assembly structure of claim 2, wherein: a first pin screw hole (11) extending along the axial direction of the central pin (10) is formed in the central pin (10) of one clamping plate (7), and the first pin screw hole (11) penetrates through the outer surface of the clamping plate (7) from the end surface of the central pin (10); a second pin screw hole (12) axially extending along the central pin (10) is formed in the central pin (10) of the other clamping plate (7), and the second pin screw hole (12) extends to the middle section of the central pin (10) from the end surface of the central pin (10); and a central bolt (13) matched with each other is arranged in each pair of the first pin screw hole (11) and the second pin screw hole (12), and the central bolt (13) penetrates through the first pin screw hole (11) and the second pin screw hole (12) to form locking of the two central pins (10).
4. The high-stability construction scaffold assembly structure of claim 3, wherein: the head of the central bolt (13) is positioned in a counter bore on the side wall of the clamping plate (7), and the head of the central bolt (13) is provided with an inner hexagonal screwing groove.
5. The high stability construction scaffold assembly structure of claim 4, wherein: the cross section of the internal connecting column (6) is circular.
6. The high stability construction scaffold assembly structure of claim 5, wherein: the cross section of the internal connecting column (6) is circular.
7. The high stability construction scaffold assembly structure of claim 6, wherein: the section of the internal connecting column (6) is in a cross shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263283.9A CN113047604A (en) | 2021-03-05 | 2021-03-05 | High stability construction scaffold assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263283.9A CN113047604A (en) | 2021-03-05 | 2021-03-05 | High stability construction scaffold assembly structure |
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| Publication Number | Publication Date |
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| CN113047604A true CN113047604A (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110263283.9A Pending CN113047604A (en) | 2021-03-05 | 2021-03-05 | High stability construction scaffold assembly structure |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202882392U (en) * | 2012-11-14 | 2013-04-17 | 胡志国 | New wedge-type butt jointed metal fasteners without screw |
| CN209509474U (en) * | 2018-12-21 | 2019-10-18 | 无锡商业职业技术学院 | A kind of scaffold fastenings for building |
| CN111218982A (en) * | 2020-01-17 | 2020-06-02 | 王炯炜 | Manufacturing process of steel structure support for construction of steel structure factory building |
| CN211499727U (en) * | 2019-11-25 | 2020-09-15 | 华迪钢业集团有限公司 | Seamless steel pipe |
| JP2020200639A (en) * | 2019-06-10 | 2020-12-17 | 賢三 大嶋 | Connecting pin for framework scaffold, and baseboard fitting structure of framework scaffold |
-
2021
- 2021-03-05 CN CN202110263283.9A patent/CN113047604A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202882392U (en) * | 2012-11-14 | 2013-04-17 | 胡志国 | New wedge-type butt jointed metal fasteners without screw |
| CN209509474U (en) * | 2018-12-21 | 2019-10-18 | 无锡商业职业技术学院 | A kind of scaffold fastenings for building |
| JP2020200639A (en) * | 2019-06-10 | 2020-12-17 | 賢三 大嶋 | Connecting pin for framework scaffold, and baseboard fitting structure of framework scaffold |
| CN211499727U (en) * | 2019-11-25 | 2020-09-15 | 华迪钢业集团有限公司 | Seamless steel pipe |
| CN111218982A (en) * | 2020-01-17 | 2020-06-02 | 王炯炜 | Manufacturing process of steel structure support for construction of steel structure factory building |
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