Scaffold pulling joint fixing and connecting device and construction method

Abstract

The invention provides a scaffold pulling node fixing and connecting device and a construction method, belongs to the field of constructional engineering technology and constructional engineering, and aims to solve the problem that a conventional clamp adapts to the inclined end of a diagonal bridging framework of a scaffold when the end of the scaffold is fixed to a wall or a floor through a fixing pulling node in an existing scaffold. The device is composed of the steel bar threaded sleeves, the cushion blocks, the telescopic threaded rods, the adapters and the hoops, when the device is used, the cushion blocks are accurately stacked on a floor according to the length of the telescopic threaded rods, and then all the components are connected; then, an operator rotates the rotating disc to drive the bidirectional lead screw to rotate, so that the deflection block is unlocked and locked by the limiting piece, the angle of the hoop can be rapidly and flexibly adjusted, perfect matching can be achieved within a certain range no matter how the inclination of the scaffold diagonal bracing steel pipe changes, and the clamping efficiency is improved. The problem that a traditional clamp is insufficient in adaptability when facing special-shaped and uneven floor slabs is solved.

Description

Technical Field

[0001] The invention relates to the technical field of construction engineering, and in particular to a scaffolding tie point fixing connection device and a construction method. Background Art

[0002] In the field of construction, scaffolding is an important auxiliary construction facility, and its stability and safety are of vital importance. Although the traditional scaffolding has been widely used in the form of embedded parts in the structural plate, it has exposed many disadvantages. On the one hand, the amount of steel used is huge, which significantly increases the construction cost and resource consumption; on the other hand, if the reserved embedded parts are not properly handled, it is very easy to cause leakage problems, which seriously affects the waterproof performance and structural durability of the building. Therefore, the scaffolding tie point, as the key part connecting the scaffolding and the main structure, plays a decisive role in the overall performance of the scaffolding.

[0003] For example, the patent with announcement number CN208473276U discloses a tie point connection device, which consists of a base plate and a connector. The base plate is provided with positioning slots, which can accurately embed the pre-embedded expansion bolts in the wall to achieve a stable connection with the wall. One end of the connector is connected to the base plate, and the other end is connected to the double-row scaffolding, so as to build a reliable connection and ensure the safety and stability of the scaffolding construction. However, when the existing scaffolding is installed in a suspended or ground-mounted manner, the ends of the scaffolding are mostly fixed to the walls and floor slabs by fixing the tie nodes. However, since the scaffolding has a scissor brace structure, the ends are tilted and the fixing angle needs to be adjusted, making conventional clamps inapplicable.

[0004] Therefore, a scaffold tie point fixing connection device and a construction method are introduced. Summary of the invention

[0005] The object of the present invention is to provide a scaffold tie point fixing connection device and a construction method, aiming to solve the problem in the above-mentioned background technology that when the existing scaffold is fixed to the wall or floor by fixing the tie point, the conventional clamps adapt to the inclined ends of the scaffold's scissors support structure.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a scaffolding anchor point fixing connection device, comprising a steel bar threaded sleeve and a pad block sleeved on the outer wall of the steel bar threaded sleeve end head, a telescopic threaded rod is sleeved on the inner thread of the top port of the steel bar threaded sleeve, an adapter is fixedly connected to the top of the telescopic threaded rod, and a clamp is movably connected to the top of the adapter; the adapter comprises a U-shaped seat fixedly connected to the top of the telescopic threaded rod and an arc groove arranged on the outer walls on both sides of the U-shaped seat, guide rods are movably engaged in the arc grooves on both sides of the U-shaped seat, a deflection block is fixedly connected to the end of the guide rod, the top of the deflection block extends to the outside of the top port of the U-shaped seat and is fixedly connected to a rotating shaft, the top of the rotating shaft is rotatably connected to the lower end of the clamp, limiting grooves are evenly spaced on the outer wall of the arc surface at the bottom of the deflection block, a limiting member is fixedly connected to the top of the U-shaped seat bottom plate, and limiting heads are movably arranged on both sides of the top of the limiting member.

[0007] Furthermore, the limit member includes a mounting seat fixedly connected to the upper end of the U-shaped seat bottom plate and movable grooves opened on both sides of the top of the mounting seat, a two-way screw rod is movably arranged in the mounting seat, both ends of the two-way screw rod extend into the movable grooves on both sides of the mounting seat, one end of the two-way screw rod extends through and extends to the outside of the side wall of the mounting seat end, and a rotating disk is movably connected to the end of the two-way screw rod outside the mounting seat end, a moving block is threadedly sleeved on the outer wall of the two-way screw rod in the movable groove, a limiting head is movably sleeved on the outer wall at the top of the moving block, the top of the limiting head extends to above the top port of the movable groove, limiting rods are fixedly connected to the outer walls on both sides of the limit head respectively, and limiting oblique grooves are opened on the side walls of the movable groove corresponding to the limit rods, and the end of the limit rod is movably engaged in the limiting oblique grooves.

[0008] Furthermore, the limiting bevel groove is in an eight-shaped shape and is respectively arranged on the side walls at the ends of the mounting seat, and the limiting bevel groove is connected to the movable groove. When the limiting rod is located at the inclined upper end of the limiting bevel groove, the top end of the limiting head is inserted into the limiting groove.

[0009] Furthermore, an installation cavity is provided inside the end of the bidirectional screw rod outside the mounting seat, and a magnetic block and a limit plate are fixedly connected in sequence on the inner wall of the installation cavity on the side away from the rotating disk, and a T-bar is movably provided on the inner wall at the other end of the installation cavity, and the end of the T-bar cross bar movably extends through the end of the bidirectional screw rod, and the end of the T-bar cross bar is fixedly connected to the rotating disk, and return springs are fixedly connected to the side walls of the T-bar vertical plate at even intervals, and an annular plate is fixedly connected to the end of the return spring, and a positioning column is fixedly connected to the side wall of the annular plate in the inner cavity of the return spring, and limiting holes are provided on the side walls of the limiting plate and the side walls of the T-bar vertical plate corresponding to the positioning columns, and an elastic component is fixedly connected between the limiting plate outside the limiting hole and the side walls of the T-bar vertical plate.

[0010] Furthermore, the annular plate is located on the other side of the T-bar vertical plate close to the rotating disk, and the annular plate is movably engaged with the outer wall of the T-bar crossbar. When the reset spring maintains a normal relaxation state, the end of the positioning column is suspended outside the limit hole port on the side wall of the T-bar vertical plate.

[0011] Furthermore, the telescopic threaded rod includes a first threaded portion and a second threaded portion movably connected to the bottom of the first threaded portion, a mounting groove is opened near the top inside the first threaded portion, the mounting groove port extends to the side wall of the straight rod section of the first threaded portion, and a gear set is movably arranged between the inner walls of the upper and lower ends of the mounting groove, one end of the gear at the end of the gear set extends to the outside of the mounting groove port, and a shifting gear ring is movably sleeved on the outer wall of the straight rod section of the first threaded portion corresponding to the mounting groove port, the meshing teeth on the inner wall on one side of the middle hole of the shifting gear ring mesh with the end gear of the gear set, an adjusting screw is fixedly connected to the bottom of the initial gear of the gear set, the end of the adjusting screw extends through and extends to the outside of the bottom end of the first threaded portion, and the second threaded portion is threadedly sleeved on the outer wall of the end of the adjusting screw.

[0012] Furthermore, the first limit bar and the second limit bar are evenly and fixedly connected at the upper edges of the outer walls of the contact ends of the first threaded portion and the second threaded portion, the first limit bar and the second limit bar are arranged at staggered intervals, and sliding grooves are respectively provided on the outer walls on both sides of the second limit bar, and protrusions are respectively provided on the outer walls on both sides of the end of the first limit bar corresponding to the sliding grooves, and the protrusions are movably engaged in the sliding grooves.

[0013] Furthermore, the first limit strip and the second limit strip are both distributed around the outside of the adjusting screw, a hollow cavity is opened at the top end of the second threaded portion corresponding to the adjusting screw, the top port of the hollow cavity is threadedly sleeved on the outer wall of the screw section of the adjusting screw, and a positioning rod is movably sleeved on the bottom of the screw section of the adjusting screw, and the lower end of the positioning rod is rotatably connected to the upper end of the top plate of the hollow cavity.

[0014] Furthermore, the clamp includes a first clamping ring movably connected to the top of the rotating shaft, inner grooves are provided at both ends of the first clamping ring, a locking screw is movably connected between the side walls of the inner groove at one end of the first clamping ring, a locking nut is sleeved on the outer wall of the locking screw, a second clamping ring is movably connected between the side walls of the inner groove at the other end of the first clamping ring, U-shaped clamping plates are fixedly connected on both sides of the outer wall of the end of the second clamping ring, positioning grooves are evenly spaced on the inner wall of the first clamping ring, an anti-slip gasket is fixedly connected to the bottom plate of the positioning groove, and the top of the anti-slip gasket extends to the outside of the positioning groove port.

[0015] Furthermore, the present invention provides another technical solution: a construction method of a scaffolding anchor point fixing connection device, comprising the following implementation steps: S1: Determine the thickness of the steel bar thread sleeve according to the thickness of the floor slab, process the thread sleeve hole of the steel bar thread sleeve and bind it to the cast steel bar of the floor slab, and make it an embedded part after the floor slab concrete is poured, so that the top of the steel bar thread sleeve does not protrude from the floor surface, and drill holes on the wooden pad according to the outer diameter of the steel bar thread sleeve; S2: Stacking pads on the floor at the top end of the steel bar threaded sleeve as needed, adjusting the length of the telescopic threaded rod according to the height of the stacked pads, inserting the telescopic threaded rod into the through hole on the stacked pads when the length of the telescopic threaded rod is appropriate, and threading the lower end of the telescopic threaded rod to the inner hole of the steel bar threaded sleeve; S3: Rotate the rotating disk to drive the bidirectional screw to rotate, and the bidirectional screw drives the moving block to move in the movable groove toward the outside of the two ends of the mounting seat. When the moving block moves, it pushes the limiting rod on the side wall of the limiting head to move along the inclined limiting groove downward, so that the limiting head moves downward and away from the limiting groove at the bottom of the deflection block, thereby completing the unlocking of the deflection block; S4: according to the inclination of the scaffolding scissors brace steel pipe, the angle of the deflection block is rotated so that the opening angle of the clamp at the top of the deflection block is consistent with the inclination of the scaffolding scissors brace steel pipe, and the rotating disk is rotated in the reverse direction so that the limit head re-locks the limit groove at the bottom of the deflection block, thereby completing the adjustment and locking of the inclination of the clamp through hole; S5: After unscrewing the bolts on the clamp, put it on the outer wall of the oblique steel pipe of the scaffolding scissors support, tighten the bolts on the clamp again, and fix it to the oblique steel pipe of the scaffolding scissors support, so as to complete the fixed connection between the scaffolding scissors support and the floor slab, otherwise it will be removed.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention proposes a scaffolding anchor point fixing connection device and construction method, which comprises the following steps: stacking pads above the floor slab according to the length of the telescopic threaded rod, connecting the telescopic threaded rod with the steel bar threaded sleeve, and controlling the bidirectional screw rod by rotating the rotating disk to move the limit head in the movable groove, thereby realizing unlocking or locking of the deflection block; after unlocking, the deflection block can be rotated according to the inclination of the scaffolding scissors support steel pipe, thereby adjusting the clamp opening angle to make it consistent with the inclination of the steel pipe, and then re-locking it, and then fixing the steel pipe with the first clamp ring and the second clamp ring to complete the fixed connection between the scaffolding scissors support and the floor slab, realizing quick adjustment of the clamp use angle, effectively solving the problem of poor adaptability of existing clamps to the inclined ends of different scaffolding scissors support structures when facing special-shaped and uneven floor slabs, and greatly improving the applicability in complex building environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the scaffolding anchor point fixing connection device of the present invention.

[0018] Figure 2It is a schematic diagram of the installation structure of the telescopic threaded rod, adapter and clamp of the scaffolding anchor point fixing connection device of the present invention.

[0019] Figure 3 The figure is a schematic diagram of the adapter structure of the scaffolding anchor point fixing connection device of the present invention.

[0020] Figure 4 The present invention is a schematic diagram of the structure of the limiter of the scaffolding anchor point fixing connection device.

[0021] Figure 5 The invention provides a scaffolding anchor point fixing connection device. Figure 2 Enlarged structural diagram at A in the middle.

[0022] Figure 6 The present invention is a schematic diagram of the installation structure of a bidirectional screw rod and a rotating disk of a scaffolding tie point fixing connection device.

[0023] Figure 7 It is a schematic structural diagram of the initial state of the telescopic threaded rod of the scaffolding anchor point fixing connection device of the present invention.

[0024] Figure 8 It is a schematic structural diagram of the telescopic threaded rod of the scaffolding anchor point fixing connection device of the present invention in the extended state.

[0025] Fig. 9 The invention provides a scaffolding anchor point fixing connection device. Figure 8 Enlarged structural diagram at B in the middle.

[0026] Fig.10 It is a schematic structural diagram of the first threaded portion of the scaffolding anchor point fixing connection device of the present invention.

[0027] Fig.11 This is a cross-sectional view of the first threaded portion of the scaffolding anchor point fixing connection device of the present invention.

[0028] In the figure: 1, steel bar thread sleeve; 2, cushion block; 3, telescopic threaded rod; 31, first threaded portion; 311, mounting groove; 312, gear set; 32, second threaded portion; 33, toggle gear ring; 34, adjusting screw; 35, first limit strip; 36, second limit strip; 37, slide groove; 4, adapter; 41, U-shaped seat; 42, arc groove; 43, guide rod; 44, deflection block; 45, rotating shaft; 46, limit groove; 47, limit piece; 471, mounting seat; 4711, movable groove; 4712, limit inclined slot; 472, bidirectional screw rod; 4721, magnetic block; 4722, limit plate; 4723, T-bar; 4724, return spring; 4725, annular plate; 4726, positioning column; 4727, limit hole; 4728, elastic component; 473, rotating disk; 474, moving block; 475, limit head; 476, limit rod; 5, clamp; 51, first clamp ring; 511, positioning slot; 512, anti-slip gasket; 52, locking screw; 53, locking nut; 54, second clamp ring; 55, U-shaped clamp plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In order to solve the problem that conventional clamps adapt to the inclined ends of the scaffolding scissor bracing structure when the ends of the scaffolding are fixed to the wall or floor by fixing the pulling nodes, please refer to Figure 1-Figure 5 , provide the following preferred technical solutions: A scaffolding anchor point fixing connection device, composed of a steel bar threaded sleeve 1, a cushion block 2, a telescopic threaded rod 3, an adapter 4 and a clamp 5 and other components. The steel bar threaded sleeve 1 is made of coarse threaded steel and drilled. A square-structured cushion block 2 is movably sleeved on the outer wall of the top end of the steel bar threaded sleeve 1. The cushion block 2 is made of a wooden board and drilled in the middle of the top. The through hole on it matches the outer diameter of the steel bar threaded sleeve 1. The internal thread sleeve of the top port of the steel bar threaded sleeve 1 is connected with a telescopic threaded rod 3. The top of the telescopic threaded rod 3 is fixedly connected with an adapter 4, and the top of the adapter 4 is movably connected with a clamp 5; the clamp 5 includes a first clamp ring 51 movably connected to the top of the rotating shaft 45, and the first clamp ring 51 is opened at both ends. An inner groove is provided, and a locking screw 52 is movably connected between the side walls of the inner groove at one end of the first clamping ring 51, and a locking nut 53 is sleeved on the outer wall of the locking screw 52. A second clamping ring 54 is movably connected between the side walls of the inner groove at the other end of the first clamping ring 51. Both the first clamping ring 51 and the second clamping ring 54 are semicircular structures and are made of stainless steel. U-shaped clamping plates 55 are fixedly connected on both sides of the outer wall at the end of the second clamping ring 54. Positioning grooves 511 are evenly spaced on the inner wall of the first clamping ring 51, and an anti-skid gasket 512 is fixedly connected to the bottom plate of the positioning groove 511. The top of the anti-skid gasket 512 extends to the outside of the port of the positioning groove 511, and the anti-skid gasket 512 is made of elastic anti-skid rubber.

[0031] The adapter 4 includes a U-shaped seat 41 fixedly connected to the top of the telescopic threaded rod 3 and arc grooves 42 opened on the outer walls on both sides of the U-shaped seat 41, and guide rods 43 are movably engaged in the arc grooves 42 on both sides of the U-shaped seat 41. The ends of the guide rods 43 are fixedly connected to deflection blocks 44. The top of the deflection block 44 extends to the outside of the top port of the U-shaped seat 41 and is fixedly connected to a rotating shaft 45. The top of the rotating shaft 45 is rotatably connected to the lower end of the clamp 5. Limiting grooves 46 are evenly spaced on the outer wall of the arc surface at the bottom of the deflection block 44. A limiting member 47 is fixedly connected to the top of the bottom plate of the U-shaped seat 41, and limiting heads 475 are movably arranged on both sides of the top of the limiting member 47.

[0032] The limiting member 47 includes a mounting seat 471 fixedly connected to the upper end of the bottom plate of the U-shaped seat 41 and movable grooves 4711 opened on both sides of the top of the mounting seat 471. A bidirectional screw rod 472 is movably arranged in the mounting seat 471. Both ends of the bidirectional screw rod 472 extend into the movable grooves 4711 on both sides of the mounting seat 471. One end of the bidirectional screw rod 472 extends through and extends to the outside of the side wall of the end of the mounting seat 471. The end of the bidirectional screw rod 472 outside the end of the mounting seat 471 is movably connected to the rotating disk 47 3. A moving block 474 is threadedly sleeved on the outer wall of the bidirectional screw rod 472 in the movable groove 4711, and a limiting head 475 is movably sleeved on the outer wall at the top of the moving block 474. The top of the limiting head 475 extends to above the top port of the movable groove 4711, and limiting rods 476 are fixedly connected to the outer walls on both sides of the limiting head 475. A limiting oblique groove 4712 is provided on the side wall of the movable groove 4711 corresponding to the limiting rod 476, and the end of the limiting rod 476 is movably engaged in the limiting oblique groove 4712.

[0033] The limiting inclined groove 4712 is in an eight-shaped shape and is respectively arranged on the side walls at the ends of the mounting seat 471, and the limiting inclined groove 4712 is connected to the movable groove 4711. When the limiting rod 476 is located at the inclined upper end of the limiting inclined groove 4712, the top end of the limiting head 475 is inserted into the limiting groove 46.

[0034] Specifically, according to the length of the telescopic threaded rod 3, a corresponding number of pads 2 are stacked above the floor slab outside the top end of the steel bar threaded sleeve 1, the telescopic threaded rod 3 is inserted into the through hole of the stacked pads 2 so that its lower end is threadedly connected with the inner hole of the steel bar threaded sleeve 1, and the rotating disk 473 is rotated to drive the bidirectional screw rod 472 to rotate, and the bidirectional screw rod 472 drives the moving block 474 to move outside the two ends of the mounting seat 471 in the movable groove 4711. When the moving block 474 moves, it pushes the limiting rod 476 on the side wall of the limiting head 475 to move obliquely downward along the limiting inclined groove 4712, so that the limiting head 475 moves downward and away from the limiting groove 46 at the bottom of the deflection block 44, thereby completing the unlocking of the deflection block 44; the angle of the deflection block 44 is rotated according to the inclination of the scaffolding scissors support steel pipe, so that the opening angle of the clamp 5 at the top of the deflection block 44 is aligned with the scaffold The inclination of the scissors support steel pipe remains consistent, and the rotating disk 473 is rotated in the opposite direction so that the limit head 475 re-locks the limit groove 46 at the bottom of the deflection block 44, thereby completing the adjustment and locking of the inclination of the through hole of the clamp 5, and unscrewing the locking nut 53 on the outer wall of the locking screw 52 outside the second clamp ring 54, and the first clamp ring 51 and the second clamp ring 54 are separated and then ringed on the outer wall of the oblique steel pipe of the scaffolding scissors support, and after locking the locking nut 53 again, the first clamp ring 51 and the second clamp ring 54 fix the oblique steel pipe of the scaffolding scissors support, thereby completing the fixed connection between the scaffolding scissors support and the floor slab, realizing the rapid adjustment of the use angle of the clamp 5, and enhancing the adaptability of the existing clamps to the inclined ends of the scissors support structures of different scaffolds when facing special-shaped and uneven floors. It is easy to use, otherwise it is dismantled.

[0035] like Figure 2-Figure 6 As shown, in order to ensure the stability of the clamp 5, this embodiment provides the following technical solutions: An installation cavity is provided inside the end of the bidirectional screw rod 472 outside the installation seat 471, and a magnetic block 4721 and a limit plate 4722 are fixedly connected in sequence on the inner wall of the installation cavity away from the rotating disk 473. A T-shaped rod 4723 is movably provided on the inner wall of the other end of the installation cavity. The end of the cross bar of the T-shaped rod 4723 is movably extended to the outside of the end of the bidirectional screw rod 472, and the end of the cross bar of the T-shaped rod 4723 is fixedly connected to the rotating disk 473. Reset springs are evenly spaced and fixedly connected on the side walls of the vertical plates of the T-shaped rod 4723 4724, an annular plate 4725 is fixedly connected to the end of the return spring 4724, and a positioning column 4726 is fixedly connected to the side wall of the annular plate 4725 in the inner cavity of the return spring 4724, and the positioning column 4726 is made of magnetic metal material. Limiting holes 4727 are provided on the side wall of the limiting plate 4722 and the side wall of the vertical plate of the T-bar 4723 corresponding to the positioning column 4726, and an elastic component 4728 is fixedly connected between the limiting plate 4722 outside the limiting hole 4727 and the side wall of the vertical plate of the T-bar 4723.

[0036] The annular plate 4725 is located on the other side of the vertical plate of the T-bar 4723 close to the rotating disk 473, and the annular plate 4725 is movably engaged with the outer wall of the cross bar of the T-bar 4723. When the return spring 4724 maintains a normal relaxation state, the end of the positioning column 4726 is suspended outside the port of the limiting hole 4727 on the side wall of the vertical plate of the T-bar 4723.

[0037] Specifically, when the angle of the clamp 5 needs to be adjusted, the rotating disk 473 is pressed to move it toward the mounting seat 471 and rotate synchronously. When the rotating disk 473 moves horizontally, it pushes the vertical plate of the T-bar 4723 to move close to the limiting plate 4722. After the vertical plate of the T-bar 4723 compresses the elastic component 4728 and approaches the limiting plate 4722, the magnetic block 4721 uses magnetic force to absorb the positioning column 4726 to pull the annular plate 4725 to compress the return spring 4724, so that the positioning column 4726 moves through the limiting hole 4727 on the vertical plate of the T-bar 4723. When the rotating disk 473 drives the vertical plate of the T-bar 4723 to rotate, the end of the positioning column 4726 is inserted into the limiting hole 4727 on the limiting plate 4722 The locking plate 4727 is locked to the left by the user, and the locking plate 4726 is locked to the right by the user.

[0038] like Figure 1-Figure 3 and Figure 7-Figure 11 As shown, in order to adjust the height of the clamp 5, this embodiment provides the following technical solutions: The telescopic threaded rod 3 includes a first threaded portion 31 and a second threaded portion 32 movably connected to the bottom of the first threaded portion 31. A mounting groove 311 is provided near the top of the first threaded portion 31. The end of the mounting groove 311 extends to the side wall of the straight rod section of the first threaded portion 31. A gear set 312 is movably provided between the inner walls of the upper and lower ends of the mounting groove 311. One end of the gear at the end of the gear set 312 extends to the outside of the end of the mounting groove 311. The outer wall of the straight rod section of the first threaded portion 31 is movably sleeved at the end of the mounting groove 311. There is a toggle gear ring 33, the teeth on the inner wall of one side of the middle hole of the toggle gear ring 33 are meshed with the gear at the end of the gear set 312, and an adjusting screw 34 is fixedly connected to the bottom of the initial gear of the gear set 312 (the gear set 312 is two gears meshed side by side in parallel, one of which is meshed with the teeth on the inner side of the toggle gear ring 33, and the bottom of the other is fixedly connected to the top of the adjusting screw 34), and the end of the adjusting screw 34 extends through and extends to the outside of the bottom end of the first threaded portion 31, and the second threaded portion 32 is threadedly sleeved on the outer wall of the end of the adjusting screw 34.

[0039] The first limit strips 35 and the second limit strips 36 are evenly and fixedly connected to the upper edges of the outer walls of the contact ends of the first threaded portion 31 and the second threaded portion 32. The first limit strips 35 and the second limit strips 36 are arranged alternately, and sliding grooves 37 are respectively provided on the outer walls on both sides of the second limit strip 36. Protrusions are respectively provided on the outer walls on both sides of the end of the first limit strip 35 corresponding to the sliding grooves 37, and the protrusions are movably engaged in the sliding grooves 37.

[0040] The first limit strip 35 and the second limit strip 36 are both distributed around the outside of the adjusting screw 34, and a hollow cavity is opened at the top end of the second threaded portion 32 corresponding to the adjusting screw 34, and the top port of the hollow cavity is threadedly sleeved on the outer wall of the screw section of the adjusting screw 34, and a mounting hole is opened at the bottom of the screw section of the adjusting screw 34, and a positioning rod is movably sleeved in the mounting hole, and the lower end of the positioning rod is rotatably connected to the upper end of the top plate of the hollow cavity, a protrusion is provided on the side wall of the positioning rod, and a slot is provided at the corresponding position of the protrusion on the inner wall of the mounting hole. After the protrusion is engaged with the slot, it is ensured that the screw section of the adjusting screw 34 and the positioning rod can be telescopically moved up and down, and at the same time, it is ensured that the screw section rotates with the positioning rod, so that the lower end of the adjusting screw 34 is always not separated from the bottom of the mounting hole, thereby enhancing the toughness of the second threaded portion 32.

[0041] Specifically, when the height of the clamp 5 needs to be adjusted, after the second threaded portion 32 is threadedly connected to the steel bar threaded sleeve 1, one hand holds the adapter 4, and the other hand rotates the toggle gear ring 33 on the outer wall of the first threaded portion 31, and the toggle gear ring 33 engages the gear set 312 to drive the adjusting screw 34 to rotate. When the adjusting screw 34 rotates, its screw section cooperates with the thread of the mounting hole port at the top of the second threaded portion 32, and under the mutual restriction of the first limit bar 35 and the second limit bar 36 at the contact end of the first threaded portion 31 and the second threaded portion 32 When the adjusting screw 34 rotates, the cooperation between its screw section and the second threaded portion 32 pushes the first threaded portion 31 to move up and down in the opposite direction, and the first limit strip 35 and the second limit strip 36 move up and down alternately at intervals, thereby completing the adjustment of the use height of the clamp 5, which is easy to use. At the same time, the first limit strip 35, the second limit strip 36 and the adjusting screw 34 fill the internal cavities of the first threaded portion 31 and the second threaded portion 32, which to a certain extent avoids the problem of reduced use strength after the first threaded portion 31 and the second threaded portion 32 are hollow, and is easy to use.

[0042] In order to better demonstrate the scaffolding tie point fixing connection device, this embodiment provides a construction method of the scaffolding tie point fixing connection device, including the following implementation steps: Step 1: Determine the thickness of the steel bar thread sleeve 1 according to the thickness of the floor slab, perform thread sleeve hole processing on the steel bar thread sleeve 1 and bind it to the cast steel bar of the floor slab, and make it an embedded part after the floor slab concrete is poured, so that the top of the steel bar thread sleeve 1 does not protrude from the floor surface, and drill holes on the wooden pad 2 according to the outer diameter of the steel bar thread sleeve 1; Step 2: stack the pad 2 on the floor at the top end of the steel bar threaded sleeve 1 as needed, adjust the length of the telescopic threaded rod 3 according to the height of the stacked pad 2, and when the telescopic threaded rod 3 is of appropriate length, insert it into the through hole on the stacked pad 2, and thread the lower end of the telescopic threaded rod 3 with the inner hole of the steel bar threaded sleeve 1; Step 3: Rotate the rotating disk 473 to drive the bidirectional screw rod 472 to rotate, and the bidirectional screw rod 472 drives the moving block 474 to move in the movable groove 4711 toward the outer sides of the two ends of the mounting seat 471. When the moving block 474 moves, it pushes the limiting rod 476 on the side wall of the limiting head 475 to move obliquely downward along the limiting inclined groove 4712, so that the limiting head 475 moves downward and away from the limiting groove 46 at the bottom of the deflection block 44, thereby completing the unlocking of the deflection block 44; Step 4: Rotate the angle of the deflection block 44 according to the inclination of the scaffolding scissor brace steel pipe, so that the opening angle of the clamp 5 at the top of the deflection block 44 is consistent with the inclination of the scaffolding scissor brace steel pipe, and rotate the rotating disk 473 in the opposite direction so that the limit head 475 re-locks the limit groove 46 at the bottom of the deflection block 44, thereby completing the adjustment and locking of the inclination of the through hole of the clamp 5; Step 5: Unscrew the bolts on the clamp 5 and put it on the outer wall of the oblique steel pipe of the scaffolding scissors support. Tighten the bolts on the clamp 5 again and fix it to the oblique steel pipe of the scaffolding scissors support, thereby completing the fixed connection between the scaffolding scissors support and the floor slab. Otherwise, remove it.

[0043] It is important to note that, in this article, relational terms such as first and second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises", or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements that are inherent to such process, method, article, or device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A scaffolding tie point fixed connection device, characterized in that: The cam is connected to the top of the U-shaped seat and the top of the U-shaped seat is fixedly connected to the top of the telescopic threaded rod, and the top of the telescopic threaded rod is fixedly connected to the top of the U-shaped seat. Guide rods are movably engaged in the arc grooves on both sides of the U-shaped seat, and the ends of the guide rods are fixedly connected to a deflection block, and the top of the deflection block extends to the outside of the top port of the U-shaped seat and is fixedly connected to a rotating shaft, and the top of the rotating shaft is rotatably connected to the lower end of the clamp, and limiting grooves are evenly spaced on the outer wall of the arc surface at the bottom of the deflection block, and a limiting member is fixedly connected to the top of the U-shaped seat bottom plate, and limiting heads are movably arranged on both sides of the top of the limiting member.

2. The scaffolding anchor point fixing connection device according to claim 1 is characterized in that: The limit member includes a mounting seat fixedly connected to the upper end of the bottom plate of the U-shaped seat and a movable groove opened on both sides of the top of the mounting seat, and a two-way screw rod is movably arranged in the mounting seat, and both ends of the two-way screw rod extend into the movable grooves on both sides of the mounting seat, and one end of the two-way screw rod penetrates and extends to the outside of the side wall of the mounting seat end head, and the end of the two-way screw rod outside the mounting seat end head is movably connected with a rotating disk, and a moving block is threadedly sleeved on the outer wall of the two-way screw rod in the movable groove, and a limiting head is movably sleeved on the outer wall at the top of the moving block, and the top of the limiting head extends above the top port of the movable groove, and limiting rods are respectively fixedly connected to the outer walls on both sides of the limit head, and limiting oblique grooves are opened on the side walls of the movable groove corresponding to the limit rods, and the end of the limit rod is movably engaged in the limiting oblique groove.

3. The scaffolding anchor point fixing connection device according to claim 2 is characterized in that: The limiting bevel groove is in an eight-shaped shape and is respectively arranged on the side walls at the ends of the two ends of the mounting seat, and the limiting bevel groove is connected to the movable groove. When the limiting rod is located at the inclined upper end of the limiting bevel groove, the top end of the limiting head is inserted into the limiting groove.

4. The scaffolding anchor point fixing connection device according to claim 2 is characterized in that: The end of the T-bar cross bar movably extends through the inner wall of the other end of the mounting cavity, and the end of the T-bar cross bar is fixedly connected to the rotating disk; a return spring is evenly fixedly connected to the side wall of the T-bar vertical plate at intervals, and the end of the return spring is fixedly connected to an annular plate; a positioning column is fixedly connected to the side wall of the annular plate in the inner cavity of the return spring; limiting holes are provided on the side wall of the limiting plate and the side wall of the T-bar vertical plate corresponding to the positioning column, and an elastic component is fixedly connected between the limiting plate outside the limiting hole and the side wall of the T-bar vertical plate.

5. The scaffolding anchor point fixing connection device according to claim 4 is characterized in that: The annular plate is located on the other side of the T-bar vertical plate close to the rotating disk, and the annular plate is movably engaged with the outer wall of the T-bar crossbar. When the reset spring maintains a normal relaxation state, the end of the positioning column is suspended outside the limiting hole port on the side wall of the T-bar vertical plate.

6. The scaffolding anchor point fixing connection device according to claim 1 is characterized in that: The telescopic threaded rod includes a first threaded portion and a second threaded portion movably connected to the bottom of the first threaded portion, a mounting groove is opened inside the first threaded portion near the top end, the mounting groove port extends to the side wall of the straight rod section of the first threaded portion, and a gear set is movably arranged between the inner walls of the upper and lower ends of the mounting groove, one end of the end gear of the gear set extends to the outside of the mounting groove port, and a toggle gear ring is movably sleeved on the outer wall of the straight rod section of the first threaded portion corresponding to the mounting groove port, the teeth on the inner wall on one side of the middle hole of the toggle gear ring mesh with the end gear of the gear set, an adjusting screw is fixedly connected to the bottom of the initial gear of the gear set, the end of the adjusting screw extends through and extends to the outside of the bottom end of the first threaded portion, and the second threaded portion is threadedly sleeved on the outer wall of the end of the adjusting screw.

7. The scaffolding anchor point fixing connection device according to claim 6 is characterized in that: The first and second limit bars are evenly and fixedly connected at the upper edges of the outer walls of the contact ends of the first threaded portion and the second threaded portion, respectively. The first and second limit bars are arranged at staggered intervals, and sliding grooves are respectively provided on the outer walls on both sides of the second limit bar. Protrusions are respectively provided on the outer walls on both sides of the end of the first limit bar corresponding to the sliding grooves, and the protrusions are movably engaged in the sliding grooves.

8. The scaffolding anchor point fixing connection device according to claim 7, characterized in that: The first limit strip and the second limit strip are both distributed around the outside of the adjusting screw, a hollow cavity is opened at the top end of the second threaded portion corresponding to the adjusting screw, the top port of the hollow cavity is threadedly sleeved on the outer wall of the screw section of the adjusting screw, a positioning rod is movably sleeved on the bottom of the screw section of the adjusting screw, and the lower end of the positioning rod is rotatably connected to the upper end of the top plate of the hollow cavity.

9. The scaffolding anchor point fixing connection device according to claim 1, characterized in that: The clamp includes a first clamping ring movably connected to the top end of the rotating shaft, inner grooves are provided at both ends of the first clamping ring, a locking screw is movably connected between the side walls of the inner groove at one end of the first clamping ring, a locking nut is sleeved on the outer wall of the locking screw, a second clamping ring is movably connected between the side walls of the inner groove at the other end of the first clamping ring, U-shaped clamping plates are fixedly connected on both sides of the outer wall of the end of the second clamping ring, positioning grooves are evenly spaced on the inner wall of the first clamping ring, an anti-slip gasket is fixedly connected to the bottom plate of the positioning groove, and the top of the anti-slip gasket extends to the outside of the positioning groove port.

10. The construction method of the scaffolding anchor point fixing connection device according to claim 5, characterized in that: The implementation steps include: S1: Determine the thickness of the steel bar thread sleeve according to the thickness of the floor slab, perform thread sleeve hole processing on the steel bar thread sleeve and bind it to the cast steel bars of the floor slab, and make it an embedded part after the floor slab concrete is poured, so that the top of the steel bar thread sleeve does not protrude from the floor surface, and drill a hole on the wooden pad according to the outer diameter of the steel bar thread sleeve; S2: stacking the pads on the floor at the top end of the steel bar threaded sleeve as needed, adjusting the length of the telescopic threaded rod according to the height of the stacked pads, inserting the telescopic threaded rod into the through hole on the stacked pads after the length of the telescopic threaded rod is appropriate, and threading the lower end of the telescopic threaded rod to the inner hole of the steel bar threaded sleeve; S3: rotating the rotating disk to drive the bidirectional screw to rotate, and the bidirectional screw drives the moving block to move in the movable groove toward the outer sides of the two ends of the mounting seat, and when the moving block moves, it pushes the limiting rod on the side wall of the limiting head to move obliquely downward along the limiting inclined groove, so that the limiting head moves downward and away from the limiting groove at the bottom of the deflection block, thereby completing the unlocking of the deflection block; S4: rotating the angle of the deflection block according to the inclination of the scaffolding scissors brace steel pipe, so that the opening angle of the clamp at the top of the deflection block is consistent with the inclination of the scaffolding scissors brace steel pipe, and rotating the rotating disk in the opposite direction so that the limit head re-locks the limit groove at the bottom of the deflection block, thereby completing the adjustment and locking of the inclination of the clamp through hole; S5: After unscrewing the bolts on the clamp, put it on the outer wall of the oblique steel pipe of the scaffolding scissors support, tighten the bolts on the clamp again, and fix it to the oblique steel pipe of the scaffolding scissors support, so as to complete the fixed connection between the scaffolding scissors support and the floor slab, otherwise it will be removed.

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