CN220167494U - Cantilever formwork support structure connecting piece - Google Patents
Cantilever formwork support structure connecting piece Download PDFInfo
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- CN220167494U CN220167494U CN202320632005.0U CN202320632005U CN220167494U CN 220167494 U CN220167494 U CN 220167494U CN 202320632005 U CN202320632005 U CN 202320632005U CN 220167494 U CN220167494 U CN 220167494U
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- 238000009415 formwork Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 93
- 239000010959 steel Substances 0.000 claims abstract description 93
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of cantilever formwork support installation, in particular to a cantilever formwork support structure connecting piece. The cantilever formwork support structure connecting piece comprises a cantilever main beam and an inclined strut steel body; the inclined support steel body comprises an inclined steel plate, two ends of the inclined steel plate are respectively fixedly embedded with U-shaped steel and a fixing plate which are arranged in parallel, the U-shaped steel is inserted into the lower wing plate of the cantilever girder and is fixed by a fastening screw, and the fixing plate is arranged on an embedded steel plate embedded on a lower support node; and the U-shaped steel is also provided with an elastic abutting piece. According to the cantilever formwork support structure connecting piece provided by the utility model, the fixing plate at the bottom of the inclined steel plate is sleeved on the threaded rod of the embedded steel plate and is fixed by the nuts, the lower wing plate of the cantilever girder is subsequently slid through the U-shaped steel, and the lower wing plate is fixed by the rotating fastening screw after the lower wing plate is finished, so that the upper node of the cantilever girder does not need to be welded, and the difficulty in installing the cantilever frame in a lower supporting way is reduced.
Description
Technical Field
The utility model relates to the technical field of cantilever formwork support installation, in particular to a cantilever formwork support structure connecting piece.
Background
At present, the top layer eave concrete structure of many projects is large in overhanging, overhanging section steel is required to be erected to serve as a supporting platform to erect a formwork, the overhanging frame is required to be additionally provided with a lower support, the overhanging structure is long, the lower support is difficult to install, the overhanging structure adopts I-shaped steel and has large span, the lower support is difficult to install, the lower support steel adopted in the prior art is usually fixed with the overhanging structure through a welding technology after being installed, the upper node welding operation difficulty is high, the time consumption is long, and when the overhanging structure vibrates, the internal stress of the overhanging structure is easily transmitted to the lower support steel, so that cracks are easy to occur at the welding part of the overhanging structure.
Therefore, the novel cantilever formwork support structure connecting piece solves the technical problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a cantilever formwork support structure connecting piece.
The cantilever formwork support structure connecting piece comprises a cantilever main beam and an inclined support steel body used for supporting the cantilever main beam downwards;
the inclined support steel body comprises an inclined steel plate, two ends of the inclined steel plate are respectively fixedly embedded with U-shaped steel and a fixing plate which are arranged in parallel, the U-shaped steel is inserted into the lower wing plate of the cantilever girder and is fixed by a fastening screw, and the fixing plate is arranged on an embedded steel plate embedded on a lower support node;
and the U-shaped steel is also provided with an elastic abutting part, the elastic abutting part comprises a sliding block, steel balls which are arranged in a rolling way are arranged on the sliding block, and a spring is arranged at the other end of the sliding block.
Preferably, the elastic abutting pieces are provided with a plurality of groups and are symmetrically distributed on two sides of the U-shaped steel opening.
Preferably, the sliding block is slidably mounted in a mounting cavity formed in the side wall of the opening of the U-shaped steel and is slidably connected with the mounting cavity, and one end of the tail spring of the sliding block is fixedly connected with the inner wall of the mounting cavity.
Preferably, the front end face of the sliding block is provided with a ball groove, the steel ball is arranged in the ball groove, and one third of the ball body of the steel ball extends out of the ball groove formed by the sliding block and the end face of the U-shaped steel opening.
Preferably, threaded cylinder holes are formed in two sides of the upper surface of the U-shaped steel, and a fastening screw in threaded connection is inserted into each threaded cylinder hole.
Preferably, a cap hole for hiding the upper rod cap of the fastening screw is formed in the upper side of the threaded cylinder hole, and the cap hole and the threaded cylinder hole form a trapezoid structure.
Preferably, a plurality of threaded rods are fixedly installed on the embedded steel plate, and the threaded rods penetrate through holes formed in the fixing plates and are fixed through nuts.
Compared with the related art, the cantilever formwork support structure connecting piece provided by the utility model has the following beneficial effects:
1. according to the utility model, the fixing plate at the bottom of the inclined steel plate is sleeved on the threaded rod on the embedded steel plate and is fixed by the nuts, so that the inclined support steel body is fixed in advance, the lower wing plate of the cantilever girder slides through the U-shaped steel, and the lower wing plate is fixed by rotating the fastening screw after the lower wing plate is finished, so that the upper node of the cantilever girder does not need to be welded, and the difficulty of installing the cantilever frame in a lower support manner is reduced;
2. according to the utility model, when the U-shaped steel 22 slides across the lower wing plate of the extension beam of the cantilever girder 1, the web presses the sliding blocks and the steel balls which extend from both sides, so that the sliding blocks press the springs and slide into the installation cavity, the elastic abutting piece can press the cantilever girder on one hand, so that the cantilever girder can be kept relatively stable before being fixed by the fastening screw, and on the other hand, when the cantilever girder vibrates, the generated vibration force is transmitted to the steel balls, so that the springs are pressed, and the amplitude of the cantilever girder is reduced.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of a support structure connector for a cantilever formwork of the present utility model;
FIG. 2 is a schematic view of the structure of the diagonal brace steel body shown in FIG. 1;
FIG. 3 is a schematic view of the elastic abutment shown in FIG. 2;
FIG. 4 is a schematic structural view of the pre-buried steel plate shown in FIG. 1;
fig. 5 is a schematic view of the installation structure of the present utility model on a wall.
Reference numerals in the drawings: 1. overhanging the main beam; 2. a diagonal bracing steel body; 21. obliquely arranging a steel plate; 22. u-shaped steel; 22a, a mounting cavity; 22b, a threaded cylinder hole; 23. a fixing plate; 3. embedding a steel plate; 31. a threaded rod; 32. a nut; 4. an elastic abutting piece; 41. a sliding block; 41a, spherical grooves; 42. steel balls; 43. a spring; 5. and (5) fastening a screw.
Description of the embodiments
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 5, an overhanging formwork support structure connector provided in an embodiment of the utility model includes: the cantilever girder 1 and the inclined support steel body 2 used for carrying out lower support on the cantilever girder 1.
In the embodiment of the present utility model, referring to fig. 1 and 4, the diagonal brace steel body 2 includes a diagonal brace steel plate 21, two ends of the diagonal brace steel plate 21 are respectively fixedly embedded with a U-shaped steel 22 and a fixing plate 23 which are arranged in parallel, the U-shaped steel 22 is inserted onto a lower wing plate of the cantilever girder 1 and is fixed by a fastening screw 5, and the fixing plate 23 is installed on an embedded steel plate 3 embedded on a lower brace node;
specifically, threaded cylinder holes 22b are formed in two sides of the upper surface of the U-shaped steel 22, a fastening screw 5 in threaded connection is inserted into each threaded cylinder hole 22b, a plurality of threaded rods 31 are fixedly mounted on the embedded steel plate 3, and the threaded rods 31 penetrate through holes formed in the fixing plate 23 and are fixed through nuts 32.
It should be noted that: before the cantilever frame is built, the fixing plate 23 at the bottom of the inclined steel plate 21 is sleeved on the threaded rod 31 on the embedded steel plate 3 and fixed by the nuts 32, so that the inclined steel body 2 is fixed in advance, the lower wing plate of the cantilever main beam 1 is subsequently slid over the U-shaped steel 22, and is fixed by rotating the fastening screw 5 after the construction, so that welding operation is not required on the upper node of the cantilever main beam 1, the difficulty of cantilever frame lower support installation is reduced, and the dismantling work of the cantilever main beam 1 is carried out later.
Wherein, the upside of screw thread section of thick bamboo hole 22b has offered the cap hole that is used for hiding the pole cap on the fastening screw 5, and cap hole and screw thread section of thick bamboo hole 22b constitute trapezium structure for the pole cap on the fastening screw 5 can be hidden in the cap hole, has improved holistic roughness.
In the embodiment of the present utility model, referring to fig. 2, 3 and 5, the U-shaped steel 22 is further provided with elastic abutting pieces 4, the elastic abutting pieces 4 are provided with a plurality of groups and are symmetrically distributed on two sides of the opening of the U-shaped steel 22, the elastic abutting pieces 4 comprise sliding blocks 41, steel balls 42 arranged in a rolling manner are mounted on the sliding blocks 41, and springs 43 are mounted on the other ends of the sliding blocks 41;
the sliding block 41 is slidably mounted in a mounting cavity 22a formed in the side wall of the opening of the U-shaped steel 22 and is slidably connected with the mounting cavity 22a, one end of a tail spring 43 of the sliding block 41 is fixedly connected with the inner wall of the mounting cavity 22a, a ball groove 41a is formed in the front end face of the sliding block 41, the steel ball 42 is mounted in the ball groove 41a, and one third of the ball body of the steel ball 42 extends out of the ball groove 41a formed in the sliding block 41 and the end face of the opening of the U-shaped steel 22.
It should be noted that: the U-shaped steel 22 slides across the lower wing plate of the extension beam of the cantilever girder 1, the web presses the sliding blocks 41 and the steel balls 42 which extend from two sides, so that the sliding blocks 41 press the springs 43 and slide into the installation cavity 22a, the elastic abutting piece 4 can press the cantilever girder 1 on one hand, so that the cantilever girder 1 can be kept relatively stable before the fastening screw 5 is fixed, and on the other hand, when the cantilever girder 1 vibrates, the generated vibration force is transmitted to the steel balls 42, so that the springs 43 press the cantilever girder 1, and the vibration amplitude of the cantilever girder 1 is reduced.
The working principle of the cantilever formwork support structure connecting piece provided by the utility model is as follows:
one end of the cantilever girder 1 is embedded into a wall body, the other end of the cantilever girder forms an outer edge girder, a fixing plate 23 at the bottom of an inclined steel plate 21 is sleeved on a threaded rod 31 on an embedded steel plate 3 and fixed by a nut 32 before the cantilever frame is built, so that an inclined steel body 2 is fixed in advance, a U-shaped steel 22 is slid over a lower wing plate of an extension girder of the cantilever girder 1, and is fixed by a rotary fastening screw 5 after the U-shaped steel 22 is finished, so that a joint at the upper part of the cantilever girder 1 does not need to be welded, the difficulty of installing the lower support of the cantilever frame is reduced, the dismantling work of the cantilever girder 1 is carried out later, and the outer edge girder of the cantilever girder 1 and the inclined steel body 2 form right-angle edges and oblique edges of a right triangle;
when the lower wing plate of the cantilever girder 1 slides into the U-shaped steel 22, the web presses the sliding blocks 41 and the steel balls 42 which extend from two sides, so that the sliding blocks 41 press the springs 43 and slide into the mounting cavity 22a, and the elastic abutting piece 4 can press the cantilever girder 1 on one hand, so that the cantilever girder 1 can be kept relatively stable before the fastening screw 5 is fixed, and on the other hand, when the cantilever girder 1 vibrates, the generated vibration force is transmitted to the steel balls 42, so that the springs 43 press the cantilever girder 1, and the vibration amplitude of the cantilever girder 1 is reduced.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The cantilever formwork support structure connecting piece is characterized by comprising a cantilever main beam (1) and an inclined support steel body (2) for supporting the cantilever main beam (1) downwards;
the inclined support steel body (2) comprises an inclined steel plate (21), two ends of the inclined steel plate (21) are respectively fixedly embedded with U-shaped steel (22) and a fixing plate (23) which are arranged in parallel, the U-shaped steel (22) is inserted into a lower wing plate of the cantilever girder (1) and is fixed by a fastening screw (5), and the fixing plate (23) is arranged on an embedded steel plate (3) embedded on a lower support node;
the U-shaped steel (22) is further provided with an elastic abutting piece (4), the elastic abutting piece (4) comprises a sliding block (41), steel balls (42) which are arranged in a rolling mode are arranged on the sliding block (41), and a spring (43) is arranged at the other end of the sliding block (41).
2. The overhanging formwork support structure connection according to claim 1, characterized in that the elastic abutment members (4) are provided with several groups and symmetrically distributed on both sides of the opening of the U-shaped steel (22).
3. The cantilever formwork support structure connecting piece according to claim 2, wherein the sliding block (41) is slidably mounted in a mounting cavity (22 a) formed in the side wall of the opening of the U-shaped steel (22) and is slidably connected with the mounting cavity (22 a), and one end of a tail spring (43) of the sliding block (41) is fixedly connected with the inner wall of the mounting cavity (22 a).
4. The cantilever formwork support structure connecting piece according to claim 1, wherein a spherical groove (41 a) is formed in the front end face of the sliding block (41), the steel ball (42) is installed in the spherical groove (41 a), and one third of the sphere of the steel ball (42) extends out of the spherical groove (41 a) formed in the sliding block (41) and the end face of the opening of the U-shaped steel (22).
5. The cantilever formwork support structure connecting piece according to claim 1, wherein threaded cylindrical holes (22 b) are formed in two sides of the upper surface of the U-shaped steel (22), and a fastening screw (5) in threaded connection is inserted into each threaded cylindrical hole (22 b).
6. The cantilever formwork support structure connecting piece according to claim 5, wherein a cap hole for hiding a top cap of the fastening screw (5) is formed on the upper side of the threaded cylinder hole (22 b), and the cap hole and the threaded cylinder hole (22 b) form a trapezoid structure.
7. The cantilever formwork support structure connecting piece according to claim 1, wherein a plurality of threaded rods (31) are fixedly installed on the embedded steel plate (3), and the threaded rods (31) penetrate through holes formed in the fixing plate (23) and are fixed through nuts (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320632005.0U CN220167494U (en) | 2023-03-28 | 2023-03-28 | Cantilever formwork support structure connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320632005.0U CN220167494U (en) | 2023-03-28 | 2023-03-28 | Cantilever formwork support structure connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220167494U true CN220167494U (en) | 2023-12-12 |
Family
ID=89054952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320632005.0U Active CN220167494U (en) | 2023-03-28 | 2023-03-28 | Cantilever formwork support structure connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220167494U (en) |
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2023
- 2023-03-28 CN CN202320632005.0U patent/CN220167494U/en active Active
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