A cantilever scaffold for building construction

Abstract

The present invention relates to the technical field of scaffolding, and in particular to a cantilever scaffolding for building construction. It comprises: an I-beam, on which a first circular hole is symmetrically opened; a scaffolding, installed on the top of the I-beam; a support plate, symmetrically arranged on the floor; a rotating plate, rotatably connected to the support plate, and both the rotating plate and the support plate are symmetrically opened with a second circular hole; a latch, inserted into the first circular hole and the second circular hole; a sleeve, connected to the top of the rotating plate. The present invention does not require pre-opening bolt holes on the floor through the coordinated design of the support plate, the rotating plate and the latch. It only needs to place the I-beam and align the first circular hole with the second circular hole, and insert the latch to quickly fix it. With the internal threaded tube, threaded rod and fixing seat in the adjustment assembly, the height of the fixing seat can be adjusted and pressed against the ceiling by rotating the connecting tube, which significantly reduces the installation steps and labor costs. At the same time, it supports flexible adjustment of the subsequent position to meet the needs of design changes.

Description

Technical Field

[0001] The invention relates to the technical field of scaffolds, and in particular to a cantilever scaffold for building construction. Background Art

[0002] During construction, cantilever scaffolding is widely used in the exterior construction and maintenance of high-rise buildings due to its flexible structure and wide range of applications. Traditional cantilever scaffolding typically uses I-beams as its support structure, with one end fixed to the floor inside the building and the other end cantilevered outward to support the scaffolding platform and the construction loads placed on it.

[0003] In order to achieve stable fixation of the I-beam, it is usually necessary to pre-open multiple bolt holes on the floor surface, firmly anchor the I-beam to the floor structure with high-strength bolts, and then install the scaffolding system on it. However, this installation method has many inconveniences. First, the pre-opening bolt holes require precise measurement and positioning, which not only increases the workload before construction, but may also cause rework due to errors, affecting construction efficiency. Secondly, once the bolt holes are formed, it is difficult to change their position. If there are design changes or adjustment needs in subsequent construction, it is often difficult to respond flexibly. In addition, the traditional installation steps are cumbersome and involve multiple processes, including drilling, cleaning, installing bolts, tightening, etc. The overall installation takes a long time and has high labor costs, which is not conducive to improving construction progress. Summary of the Invention

[0004] In view of this, the present invention provides a cantilever scaffold for construction, which can overcome the shortcomings of existing cantilever scaffolds that require bolt holes to be pre-opened on the floor before installation, which increases the workload of preparation, and once the bolt holes are formed, it is difficult to change the position, making it difficult to flexibly respond to design changes or adjustment needs in subsequent construction.

[0005] The technical implementation scheme of the present invention is: a cantilever scaffolding for construction, including: an I-beam, a first circular hole symmetrically opened on the I-beam; a scaffold installed on the top of the I-beam; a support plate symmetrically arranged on the floor; a rotating plate rotatably connected to the support plate, and second circular holes symmetrically opened on the rotating plate and the support plate; a pin inserted into the first circular hole and the second circular hole; a sleeve connected to the top of the rotating plate; a sliding sleeve slidably connected to the inside of the sleeve; a square rod connected to the inner bottom of the sliding sleeve; a threaded rod slidably connected to the square rod; a fixed seat connected to the top of the threaded rod; an adjustment component arranged on the sliding sleeve for adjusting the height of the fixed seat.

[0006] Optionally, the adjustment assembly includes: an internal threaded tube, which is rotatably connected to the inside of the sliding sleeve and is threadedly connected to the threaded rod; a fixed tube, which is connected to the outer wall of the internal threaded tube; and a connecting tube, which is symmetrically connected to the outer wall of the fixed tube.

[0007] Optionally, a support assembly is also included, which includes: a connecting plate, which is rotatably connected to the bottom of the I-beam, and a third circular hole is opened on both sides of the connecting plate; a sliding plate, which is slidably connected to the inside of the connecting plate; a rotating rod, which is symmetrically rotatably connected to the sliding plate; a rotating frame, which is rotatably connected to the end of the rotating rod, and the rotating frame is sleeved on the outside of the I-beam; a limiting mechanism, which is arranged on the I-beam and is used to limit the rotating frame; and a locking mechanism, which is arranged inside the sliding plate and is used to lock the sliding plate.

[0008] Optionally, the limiting mechanism includes: a connecting rod rotatably connected to the top of the I-beam; a limiting block connected to the upper end of the connecting rod, and the limiting block is in contact with the rotating frame.

[0009] Optionally, the locking mechanism includes: a sliding rod, which is symmetrically slidably connected to the interior of the sliding plate, and one end of the sliding rod can be inserted into the third circular hole; a connecting spring, whose two ends are respectively connected to the sliding rod and the sliding plate; a pull rope, which is connected to the other end of the sliding rod, and the pull rope slides through the interior of the sliding plate, the rotating rod and the rotating frame; a pull rod, which is slidably connected to the rotating frame, and the end of the pull rope away from the sliding rod is connected to the pull rod.

[0010] Optionally, it further includes: a corrugated shield connected to the bottom of the fixing seat; a rotating sleeve connected to the bottom of the corrugated shield, and the rotating sleeve is rotatably connected to the upper end of the internal threaded tube.

[0011] Optionally, the method further includes: a magnetic ring connected to the upper end of the latch, and the magnetic ring is adsorbed on the top of the rotating plate by magnetic force.

[0012] Optionally, it further includes: a protective cover connected to the upper end of the latch, and the magnetic ring is located inside the protective cover.

[0013] The present invention has the following advantages: 1. Through the coordinated design of the support plate, the rotating plate and the pin, the present invention does not need to open bolt holes on the floor in advance. It only needs to place the I-beam and align the first circular hole with the second circular hole, and insert the pin to quickly fix it. By coordinating the internal threaded tube, threaded rod and fixing seat in the adjustment component, the height of the fixing seat can be adjusted and the ceiling can be tightened by rotating the connecting tube, which significantly reduces the installation steps and labor costs, and supports flexible adjustment of the subsequent position to adapt to design change requirements.

[0014] 2 After the rotating rod and rotating frame of the present invention are unfolded, the rotating rod and the rotating frame can both contact the outer wall of the building, and the I-beam, connecting plate, sliding plate, rotating rod and rotating frame can form a triangular support structure. Combined with the locking mechanism, the sliding plate is automatically locked by inserting the sliding rod into the third circular hole, which can effectively disperse the load of the scaffolding, improve the load-bearing stability of the cantilevered end of the I-beam, and reduce construction safety hazards.

[0015] 3. Through the design of the corrugated shield and the rotating sleeve, the present invention can make the corrugated shield extend and retract synchronously when adjusting the height of the fixed seat, so that the corrugated shield always covers the exposed threaded part of the threaded rod, preventing dust accumulation from affecting the thread transmission. The magnetic ring and the protective sleeve ensure that the pin is adsorbed and fixed on the top of the rotating plate after insertion, avoiding falling off due to transportation or vibration, and at the same time protecting the magnetic ring from contamination, thereby extending the service life of the component. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the installation of the support plate, rotating plate, latch and sleeve of the present invention.

[0018] Figure 3 It is a schematic diagram of the specific structure of the support plate, rotating plate and sleeve of the present invention.

[0019] Figure 4 It is a schematic diagram of the specific structure of the sliding sleeve, square rod, threaded rod and fixing seat of the present invention.

[0020] Figure 5 Schematic diagram of the installation of the adjustment component of the present invention.

[0021] Figure 6 Schematic diagram of the installation of the support assembly of the present invention.

[0022] Figure 7 Schematic diagram of the specific structure of the locking mechanism of the present invention.

[0023] Figure 8 It is a schematic diagram of the installation of the corrugated shield and the rotating sleeve of the present invention.

[0024] Figure 9 This is a schematic diagram of the installation of the magnetic ring and protective cover of the present invention.

[0025] The meaning of the reference numbers in the figure: 001, floor, 1, I-beam, 101, first circular hole, 2, scaffolding, 3, support plate, 4, rotating plate, 5, second circular hole, 6, latch, 7, sleeve, 8, sliding sleeve, 9, square rod, 10, threaded rod, 11, fixing seat, 12, internal threaded tube, 13, fixing tube, 14, connecting tube, 15, connecting plate, 1501, third circular hole, 16, sliding plate, 17, rotating rod, 18, rotating frame, 19, connecting rod, 20, limit block, 21, sliding rod, 22, connecting spring, 23, pull rope, 24, pull rod, 25, corrugated shield, 26, rotating sleeve, 27, magnetic ring, 28, protective cover. DETAILED DESCRIPTION

[0026] Embodiment: A cantilever scaffold for building construction, such as Figure 1-Figure 5As shown, it includes an I-beam 1, a scaffolding 2, a support plate 3, a rotating plate 4, a pin 6, a sleeve 7, a sliding sleeve 8, a square rod 9, a threaded rod 10, a fixing seat 11 and an adjustment component. A plurality of first circular holes 101 are symmetrically opened on the right side of the I-beam 1. A scaffolding 2 is installed on the left side of the top of the I-beam 1. Support plates 3 are symmetrically arranged on the floor 001. The shape of the support plates 3 is L-shaped. The upper part of each support plate 3 is rotatably connected to the rotating plate 4. The rotating plate 4 and the support plate 3 can form a U-shape. The I-beam 1 can pass through the support plate 3 and the rotating plate 4 combination. On the inner side of the U-shaped structure, a second circular hole 5 is symmetrically opened on the rotating plate 4 and the support plate 3. When the first circular hole 101 and the second circular hole 5 are vertically aligned, the pin 6 can be inserted into the first circular hole 101 and the second circular hole 5 to fix the I-beam 1. The top of each rotating plate 4 is connected to a sleeve 7, and a sliding sleeve 8 is slidably connected in the sleeve 7. The inner bottom of the sliding sleeve 8 is connected to a square rod 9, and a threaded rod 10 is slidably connected to the square rod 9. The top of the threaded rod 10 is connected to a fixed seat 11, and the sliding sleeve 8 is provided with an adjustment component for adjusting the height of the fixed seat 11.

[0027] like Figure 5 As shown, the adjustment assembly includes an internal threaded tube 12, a fixed tube 13 and a connecting tube 14. The internal rotation of the sliding sleeve 8 is connected to the internal threaded tube 12, and the inner wall of the internal threaded tube 12 is threadedly connected to the outer wall of the threaded rod 10. The fixing tube 13 is installed on the lower part of the outer wall of the internal threaded tube 12, and the left and right sides of the fixing tube 13 are connected to the connecting tube 14.

[0028] When the scaffolding 2 needs to be installed, the supporting plate 3 is first placed at the designated position on the floor 001, and then the rotating plate 4 is rotated forward 90 degrees to open it. The rotating plate 4 can drive the sleeve 7 to rotate forward 90 degrees to a horizontal state, which is convenient for the subsequent insertion of the sliding sleeve 8. Then the I-beam 1 is placed on the inner side of the supporting plate 3, and the first circular hole 101 is vertically aligned with the second circular hole 5 on the supporting plate 3. Then the sliding sleeve 8, square rod 9, threaded rod 10 and internal threaded tube 12 are placed horizontally on the floor 001, and then the sliding sleeve 8 is moved and inserted into the sleeve 7. Then the sliding sleeve 8, square rod 9, threaded rod 10 and internal threaded tube 12 are rotated upward 90 degrees to stand up. The sliding sleeve 8 can drive the sleeve 7 and the rotating plate 4 to rotate backward 90 degrees to reset. At this time, the bottom of the rotating plate 4 will contact the top of the I-beam 1. And the second circular hole 5 on the rotating plate 4 will be vertically aligned with the first circular hole 101, and then the pin 6 is inserted into the first circular hole 101 and the second circular hole 5, so that the I-beam 1, the support plate 3 and the rotating plate 4 can be fixed, and then a rod-shaped tool can be inserted into the connecting tube 14, and the connecting tube 14 can be controlled to rotate horizontally, and the connecting tube 14 can drive the fixing tube 13 and the internal threaded tube 12 to rotate, and the internal threaded tube 12 can drive the threaded rod 10 to move upward along the square rod 9, and the threaded rod 10 can drive the fixing seat 11 to move upward, so that the top of the fixing seat 11 contacts the ceiling of the building until the connecting tube 14 can no longer rotate, so that the right end of the I-beam 1 can be fixed on the floor 001 in the building, and then the scaffolding 2 can be installed at the left end of the I-beam 1 without opening bolt holes in advance.

[0029] like Figure 6 and Figure 7As shown, it also includes a supporting assembly, which includes a connecting plate 15, a sliding plate 16, a rotating rod 17, a rotating frame 18, a limiting mechanism and a locking mechanism. The left side of the bottom of the I-beam 1 is rotatably connected to the connecting plate 15, and the front and rear sides of the connecting plate 15 are both provided with a third circular hole 1501. The inside of the connecting plate 15 is slidably connected to the sliding plate 16, and the right part of the sliding plate 16 is symmetrically rotated and connected to the rotating rod 17. The rotating frame 18 is rotatably connected between the upper ends of the two rotating rods 17, and the rotating frame 18 is sleeved on the outside of the I-beam 1. A handle is provided on the top of the rotating frame 18. A limiting mechanism for limiting the rotating frame 18 is provided on the I-beam 1, and a locking mechanism for locking the sliding plate 16 is provided in the sliding plate 16; the limiting mechanism includes a connecting rod 19 and a limit block 20, the top middle of the I-beam 1 is rotatably connected with a connecting rod 19, the upper end of the connecting rod 19 is connected to the limit block 20, and the limit block 20 is in contact with the rotating frame 18; the locking mechanism includes a sliding rod 21, a connecting spring 22, a pull rope 23 and a pull rod 24, the inner left side of the sliding plate 16 is symmetrically slidably connected with the sliding rod 21, one end of the sliding rod 21 can be inserted into the third circular hole 1501, a connecting spring 22 is connected between the sliding rod 21 and the sliding plate 16, the other end of the sliding rod 21 is connected with a pull rope 23, and the pull rope 23 slides through the sliding plate 16, the rotating rod 17 and the interior of the rotating frame 18, and the pull rod 24 is slidably connected to the handle of the rotating frame 18, and the end of the pull rope 23 away from the sliding rod 21 is connected to the pull rod 24.

[0030] In the initial state, the connecting plate 15, the sliding plate 16, the rotating rod 17 and the rotating frame 18 are in a folded and stored state (eg Figure 6 As shown in the second half of the figure), the limit block 20 limits the rotating frame 18, thereby facilitating the transportation of the I-beam 1; the end of the sliding rod 21 contacts the inner wall of the connecting plate 15, and the connecting spring 22 is in a compressed state; when the right end of the I-beam 1 is fixed on the floor 001, the limit block 20 can be rotated horizontally by 180 degrees to disengage the limit block 20 from the rotating frame 18, and then the rotating frame 18 is rotated upward by 90 degrees to a vertical state, and the rotating frame 18 is pushed downward, and the rotating frame 18 can drive the rotating rod 17 to move downward, and the rotating rod 17 can drive the sliding plate 16 and the connecting plate 15 to swing downward and unfold (as shown in the second half of the figure). Figure 6As shown in the front half of the figure, the sliding plate 16 can slide out from the inside of the connecting plate 15, and the sliding rod 21 will be aligned with the third circular hole 1501. The connecting spring 22 will return to its original state, driving the sliding rods 21 on the front and rear sides to move away from each other, so that the ends of the sliding rods 21 are inserted into the third circular hole 1501, thereby locking the sliding plate 16. At this time, the right sides of the rotating rod 17 and the rotating frame 18 are in contact with the outer wall of the building. When the scaffolding 2 is installed at the left end of the I-beam 1, the entire support assembly can provide more stable support for the scaffolding 2 and the I-beam 1; when the I-beam 1 needs to be disassembled, the pull rod 24 can be first pulled to By pulling upward, the pull rod 24 can pull the sliding rods 21 on the front and rear sides toward each other through the pull rope 23, and the connecting spring 22 is compressed, so that the sliding rod 21 is disengaged from the third circular hole 1501 to release the lock on the sliding plate 16. Then the rotating frame 18 can be pulled upward to reset, driving the rotating rod 17 to move upward to reset. The rotating rod 17 can drive the connecting plate 15 and the sliding plate 16 to swing upward to reset, and the sliding plate 16 can slide into the inside of the connecting plate 15. Then, the rotating frame 18 is rotated ninety degrees to the right and retracted, and then the limit block 20 is rotated horizontally one hundred and eighty degrees so that the limit block 20 can limit the rotating frame 18 again.

[0031] like Figure 8 As shown, it also includes a corrugated shield 25 and a rotating sleeve 26. The bottom of the fixed seat 11 is connected to the corrugated shield 25, and the upper end of the internally threaded tube 12 is rotatably connected to the rotating sleeve 26, and the top of the rotating sleeve 26 is connected to the bottom of the corrugated shield 25; since the rotating sleeve 26 is rotatably connected to the internally threaded tube 12, when the internally threaded tube 12 rotates, the rotating sleeve 26 and the corrugated shield 25 will not rotate with the internally threaded tube 12, and the rotation of the internally threaded tube 12 will drive the threaded rod 10 to move upward, and the threaded rod 10 drives the fixed seat 11 to move upward, and the fixed seat 11 can drive the upper end of the corrugated shield 25 to move upward, and the corrugated shield 25 is extended. In this way, the corrugated shield 25 can always cover the part of the threaded rod 10 that exceeds the top of the internally threaded tube 12, preventing dust and other impurities from being stuck in the thread groove of the threaded rod 10, and when the threaded rod 10 and the fixed seat 11 move downward to reset, the corrugated shield 25 will shorten and recover.

[0032] like Figure 9 As shown, it also includes a magnetic ring 27 and a protective cover 28. The upper end of the latch 6 is connected to the magnetic ring 27 and the protective cover 28, and the magnetic ring 27 is located inside the protective cover 28; when the latch 6 is inserted into the first circular hole 101 and the second circular hole 5, the magnetic ring 27 is adsorbed on the top of the rotating plate 4 by magnetic force, thereby fixing the position of the latch 6, and the protective cover 28 can protect the magnetic ring 27 to prevent dust and other impurities from adhering to the magnetic ring 27. In addition, during the transportation of the rotating plate 4, the magnetic ring 27 can ensure that the latch 6 will not fall off or be lost.

Claims

1. A cantilever scaffold for construction, comprising: an I-beam (1); a scaffold (2) mounted on the top of the I-beam (1); characterized in that: The utility model also includes: a support plate (3) symmetrically arranged on the floor (001); a rotating plate (4) rotatably connected to the support plate (3), and the rotating plate (4) and the support plate (3) are symmetrically provided with a second circular hole (5); a latch (6) symmetrically provided with a first circular hole (101) on the I-beam (1), and the latch (6) is inserted into the first circular hole (101) and the second circular hole (5); a sleeve (7) connected to the top of the rotating plate (4); a sliding sleeve (8) slidably connected to the inside of the sleeve (7); and a square rod. (9), connected to the inner bottom of the sliding sleeve (8); a threaded rod (10), slidably connected to the square rod (9); a fixed seat (11), connected to the top of the threaded rod (10); an adjustment component, provided on the sliding sleeve (8), for adjusting the height of the fixed seat (11); and a support component, the support component including: a connecting plate (15), rotatably connected to the bottom of the I-beam (1), and a third circular hole (1501) is opened on both sides of the connecting plate (15); a sliding plate (16), slidably connected to the connecting plate ( 15); a rotating rod (17) symmetrically connected to the sliding plate (16); a rotating frame (18) rotatably connected to the end of the rotating rod (17), and the rotating frame (18) is sleeved on the outside of the I-beam (1); a limiting mechanism is provided on the I-beam (1) for limiting the rotating frame (18); a locking mechanism is provided inside the sliding plate (16) for locking the sliding plate (16); the locking mechanism includes: a sliding rod (21) symmetrically connected to the sliding plate (16) and one end of the sliding rod (21) can be inserted into the third circular hole (1501); a connecting spring (22), the two ends of which are respectively connected to the sliding rod (21) and the sliding plate (16); a pull rope (23), which is connected to the other end of the sliding rod (21), and the pull rope (23) slides through the interior of the sliding plate (16), the rotating rod (17) and the rotating frame (18); a pull rod (24), which is slidably connected to the rotating frame (18), and the end of the pull rope (23) away from the sliding rod (21) is connected to the pull rod (24).

2. A cantilever scaffold for construction according to claim 1, characterized in that: The adjusting assembly comprises: an internal threaded tube (12) rotatably connected to the interior of the sliding sleeve (8), and the internal threaded tube (12) is threadedly connected to the threaded rod (10); a fixing tube (13) connected to the outer wall of the internal threaded tube (12); and a connecting tube (14) symmetrically connected to the outer wall of the fixing tube (13).

3. A cantilever scaffold for construction according to claim 1, characterized in that: The limiting mechanism comprises: a connecting rod (19) rotatably connected to the top of the I-beam (1); a limiting block (20) connected to the upper end of the connecting rod (19), and the limiting block (20) is in contact with the rotating frame (18).

4. A cantilever scaffold for construction according to claim 2, characterized in that: The utility model further comprises: a corrugated shield (25) connected to the bottom of the fixing seat (11); a rotating sleeve (26) connected to the bottom of the corrugated shield (25), and the rotating sleeve (26) is rotatably connected to the upper end of the internal threaded tube (12).

5. A cantilever scaffold for construction according to claim 1, characterized in that: It also includes a magnetic ring (27) connected to the upper end of the latch (6), and the magnetic ring (27) is adsorbed on the top of the rotating plate (4) through magnetic force.

6. A cantilever scaffold for construction according to claim 5, characterized in that: It also includes a protective sleeve (28) connected to the upper end of the latch (6), and the magnetic ring (27) is located inside the protective sleeve (28).

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