CN105040971A - A Concrete Structure Formwork Early Detachable Adjustable Flat Top Support - Google Patents

Abstract

The invention provides an early-dismantling levelling jacking for a concrete structure formwork. The early-dismantling levelling jacking comprises a threaded rod, a bracket, a movable plate, a round sphere ring, two adjusting nuts and an early-dismantling support; the movable plate is arranged on the bracket; the bracket comprises a support plate and a short cylinder, the interior of the short cylinder is in the shape of a hemispherical bowl surface, one end of the short cylinder is fixedly connected with the bottom surface of the support plate, the spherical radius of the round sphere ring surface in the round sphere ring is the same as that of the hemispherical bowl surface in the short cylinder, the size of the round sphere ring is matched with that of the short cylinder, and the short cylinder and the round sphere ring are fixedly arranged up and down; the top of the threaded rod is fixedly connected with a round sphere, the sphere radius of the round sphere is matched with the spherical radius of the hemispherical bowl surface in the short cylinder, and the threaded rod is in spherical hinged connection with the bracket through the limit of the round sphere ring. According to the early-dismantling levelling jacking for the concrete structure formwork, jacking levelling of a formwork supporting system can be achieved, and the construction quality of the concrete structure surface at the jacking position can be guaranteed.

Description

A Concrete Structure Formwork Early Detachable Adjustable Flat Top Support

technical field

The invention relates to a jacking bracket for formwork engineering support in concrete structure construction, in particular to an adjustable flat jacking bracket for early demolition of a concrete structure formwork.

Background technique

As shown in Figure 1, in the construction of existing construction projects, in the support system of the early demolition of the concrete structure formwork, the commonly used early demolition adjustable jacking bracket is welded and fixed by the screw rod 1' and the supporting plate 2'. The support 3' is set on the screw rod. When the formwork is supported and arranged, the installation of the supporting steel pipe vertical rod 4' is not vertical due to the construction human error, resulting in the early dismantling of the adjustable support plate 2'. The concrete surface of the supporting plate 21' is uneven, which affects the visual quality of the concrete.

Disclosed in the prior art is a "adjustable height early demolition template support head", see the Chinese patent whose publication number is: CN2226101, and the publication date is: 1996-05-01. Composed of tappets, jacking brackets, and movable brackets, the characteristics are: the top of the tappets is fixed with a jacking bracket, the middle part is provided with more than 2 pin holes, a movable sleeve is placed between the pin hole and the jacking bracket, and the inner and outer sleeves The inner sleeve and the tappet are slidably combined; the two sides of the outer sleeve are provided with support wings integrated with the support wing, and the end of the support wing has a rectangular fixed stopper and a reversible movable stopper. The supporting head is suitable for adjustment of various existing formwork thicknesses and combined heights of keel sections, and is suitable for early demolition formwork support devices in formwork engineering and can be matched with various existing support lattice structures. This patent only realizes the adjustable height of the jacking, and cannot solve the problem in this patent application: when the installation position and verticality deviation of the support pole, it can also ensure the level of the jacking surface, thereby improving the quality of concrete perception.

Contents of the invention

The technical problem to be solved by the present invention is to provide a concrete structure formwork early dismantling and adjustable flat jacking, which can ensure the level of the jacking surface when the installation position and verticality of the entire formwork support pole deviate, and improve the quality of concrete perception.

The present invention is achieved in this way: a concrete structure formwork early dismantling adjustable flat top support, said early dismantling adjustable flat top support includes a screw rod, a support, a movable plate, a ball ring, two adjustment nuts And dismantling the support early in the morning; the movable plate is arranged on the support; the support includes a support plate and a short cylinder, the inside of the short cylinder is a hemispherical bowl surface, and one end of the short cylinder is fixedly connected to the bottom surface of the support plate, The spherical radius of the spherical torus in the described spherical ring is the same as the spherical radius of the hemispherical bowl in the short cylinder, the size of the spherical ring matches the size of the short cylinder, and the short cylinder and the short cylinder The ball ring is fixed up and down; the top of the screw is fixedly connected with a ball, the ball radius of which matches the spherical radius of the inner hemispherical bowl surface of the short cylinder, and the screw and the support are connected through The ball ring is limited to form a ball hinge, and the outer surface of the screw is provided with external threads; the early release support is sleeved on the screw, and the adjustment nut is screwed on the screw, and the adjustment nut is located under the early release support.

Further, the early-release adjustable flat jacking bracket also includes at least three bolts, and at least three first bumps are evenly distributed on the outer peripheral side of the short cylinder, and each first bump is provided with a first bolt hole, the second An internal thread is provided in a bolt hole, and the internal thread is matched with the thread on the surface of the bolt; at least three second protrusions are evenly provided on the outer peripheral side of the spherical ring, and each second protrusion is provided with a second Bolt hole, the inner diameter of the second bolt hole matches the bolt diameter; the position of the first bolt hole corresponds to the position of the second bolt hole; the spherical ring and the short cylinder pass through the bolt Screw through the second bolt hole into the first bolt hole for locked connection.

Further, a notch is provided in the center of the upper surface of the supporting plate, and a magnet block is arranged in the notch, and the movable plate has a double-layer structure, and the width of the first layer of the movable plate is greater than that of the second layer, so that A notch is formed on the periphery of the first layer and the second layer of the movable plate; the second layer of the movable plate is adsorbed on the magnet block of the supporting plate.

The present invention has the following advantages: a short cylinder is arranged under the support plate of the present invention, the interior of the short cylinder is a hemispherical bowl surface, a ball is fixed on the top of the screw rod, the hemispherical bowl surface matches the spherical surface, and the hemispherical bowl surface of the support The bowl surface and the spherical surface on the top of the screw rod are connected by a ball ring and a short cylinder to form a ball hinge through the limit coupling of the bolt connection. That is, the hemispherical bowl can rotate universally around the ball. Connect the ball ring with the short cylinder under the supporting plate through bolts, so that the screw and the supporting plate form a whole without separation; the notch on the surface of the supporting plate can be welded with a magnet block, which is convenient for attaching the movable plate to the supporting plate without difficulty move. Adding a movable plate on the supporting plate can eliminate the influence of the installation plane position deviation of the steel pipe pole (ie the supporting pole). The invention has the advantages of simple structure, reasonable force, convenient use and operation, and effectively solves the influence of the installation plane position and vertical verticality deviation of the steel pipe vertical pole on the surface smoothness and visual quality of the concrete structure, and ensures the concrete surface smoothness at the position of the steel pipe vertical pole and perceived quality.

Description of drawings

The present invention will be further described below in conjunction with the embodiments with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of the use of the early dismantling adjustable jacking bracket in the prior art.

Fig. 2 is a structural schematic diagram of the present invention.

Fig. 3 is a structural schematic diagram of the assembled adjustable flat-top pallet and the screw rod of the present invention.

Fig. 4 is a schematic top view of the support bracket of the present invention.

Fig. 5 is a schematic bottom view diagram of the support bracket of the present invention.

Fig. 6 is a schematic side view of the support bracket of the present invention.

Fig. 7 is an I-I sectional view in Fig. 4 of the present invention.

Fig. 8 is a plane projection view of the spherical ring of the present invention.

Fig. 9 is a side view of the spherical ring of the present invention.

Fig. 10 is a schematic diagram of the screw structure of the present invention.

Fig. 11 is a schematic plan view of the movable plate of the present invention.

Fig. 12 is a schematic side view of the movable plate of the present invention.

Detailed ways

As shown in Figures 2 to 12, the present invention relates to a concrete structure formwork that can be dismantled early and can be leveled. The jacking bracket includes a screw rod 1, a bracket 2, a ball ring 3, a movable plate 4, at least three bolts 5, and an early dismantling bracket 6; wherein, the early dismantling adjustable flat jacking bracket also includes two adjustment Nut 7, the support 2 also includes a supporting plate 21 and a short cylinder 22, the inside of the short cylinder 22 is a hemispherical bowl surface 223, one end of the short cylinder 22 is fixedly connected with the bottom surface of the supporting plate 21, the short cylinder At least three first protrusions 221 are evenly distributed on the peripheral side of the 22, and each first protrusion 221 is provided with a first bolt hole 222, and an internal thread is provided in the first bolt hole 222, and the internal thread and the bolt 5 match; the spherical radius of the spherical torus 33 in the described spherical ring 3 is identical to the spherical radius of the hemispherical bowl surface 223 in the short cylinder 22, and the size of the described spherical ring 3 is the same as that of the short cylinder 22 Matching in size, at least three second bumps 31 are uniformly arranged on the outer peripheral side of the spherical ring 3, and second bolt holes 32 are arranged at the second bumps 31, and the inner diameter of the second bolt holes 32 is the same as the inner diameter of the second bolt holes. The diameter of the bolt 5 matches; the position of the first bolt hole 222 corresponds to the position of the second bolt hole 32; the spherical ring 3 and the short cylinder 22 pass through the second bolt hole 32 through the bolt 5 screw into the first bolt hole 222 for locking connection. A ball 12 is fixedly connected to the top of the screw 1, and the radius of the ball 12 matches the radius of the spherical surface 223 of the inner hemispherical bowl 223 of the short cylinder 22. The screw 1 and the support 2 are connected through a circle The ball ring 3 is limited to form a ball hinge, and the ball ring 3 plays a position-limiting role; this is convenient for the support 2 to rotate to achieve the purpose of leveling the supporting plate 21, that is, the hemispherical bowl surface can be moved around the ball 12. to turn. When steel pipe vertical rod 8 installation position and verticality deviation, needn't steel pipe vertical rod 8 be adjusted, as long as support 2 is rotated around ball 12 and can adjust. The outer surface of the screw 1 is provided with an external thread 11; the early dismantling support 6 is sleeved on the screw 1, the two adjusting nuts 7 are screwed on the screw 1, and the adjusting nuts 7 are located below the early dismantling support 6 .

Wherein, there is a notch 211 in the center of the upper surface of the supporting plate 21, a magnet block 23 is arranged in the notch 211, the movable plate 4 is a double-layer structure, and the width of the first layer 41 of the movable plate is larger than that of the second layer. The width of the layer 42 is such that a notch 43 is formed on the periphery of the first layer 41 and the second layer 42 of the movable plate; The movable plate 4 makes the first layer 41 cover of the movable plate 4 press on the surroundings of the pre-opening of the formwork 9 at the early demolition and adjustable flat top bracket by setting the tongue and groove 43 without falling (see Figure 2), so that the formwork can be removed Excessive height difference phenomenon (height difference is only 41 thicknesses) can not occur on the concrete surface in the back, movable plate 4 is connected with supporting plate 21 through the adsorption of magnet block 23 and is not completely fixed, makes support pole installation plane position Or the verticality allows a certain range of deviation and the supporting plate 21 can still support the movable plate 4 to form an early demolition system, while ensuring the level of the jacking surface, improving the flatness and visual quality of the concrete surface at the jacking place.

In a word, the present invention has simple structure, reasonable force, convenient use and operation, and effectively solves the influence of steel pipe pole installation plane position and vertical perpendicularity deviation on the surface flatness and visual quality of concrete structure, and ensures the concrete surface at the position of steel pipe pole Flatness and perceived quality.

Although the specific embodiments of the present invention have been described above, those skilled in the art should understand that the specific embodiments we have described are only illustrative, rather than used to limit the scope of the present invention. Equivalent modifications and changes made by skilled personnel in accordance with the spirit of the present invention shall fall within the protection scope of the claims of the present invention.

Claims (3)

1. A concrete structure formwork early dismantling adjustable flat top support, is characterized in that: described early disassembly adjustable flat top support comprises a screw rod, a support, a movable plate, a spherical ring, two adjustment nuts and The support is dismantled early in the morning; the movable plate is set on the support; the support includes a support plate and a short cylinder, and the inside of the short cylinder is a hemispherical bowl surface, and one end of the short cylinder is fixedly connected with the bottom surface of the support plate. The spherical radius of the spherical torus in the spherical ring is the same as the spherical radius of the hemispherical bowl in the short cylinder, the size of the spherical ring matches the size of the short cylinder, and the short cylinder and the short cylinder The ball ring is fixed up and down; the top of the screw is fixedly connected with a ball whose radius matches the radius of the hemispherical bowl in the short cylinder, and the screw and the support are connected through a circle The ball ring is limited to form a ball hinge, and the outer surface of the screw rod is provided with external threads; the early release bracket is sleeved on the screw rod, and the adjusting nut is screwed on the screw rod, and the adjustment nut is located under the early release bracket. 2. A concrete structure formwork early dismantling adjustable flat top bracket according to claim 1, characterized in that: the early dismantling adjustable flat top bracket also includes at least three bolts, and the outer peripheral side of the short cylinder is at least uniform Three first bumps are distributed, and each first bump is provided with a first bolt hole, and the first bolt hole is provided with an internal thread, and the internal thread matches the thread on the surface of the bolt; the outer peripheral side of the ball ring is uniform There are at least three second protrusions, each second protrusion is provided with a second bolt hole, the inner diameter of the second bolt hole matches the diameter of the bolt; the position of the first bolt hole is the same as that of the second bolt hole. The positions of the bolt holes are corresponding; the spherical ring and the short cylinder are screwed into the first bolt hole through the second bolt hole through the bolt for locked connection. 3. A concrete structure formwork early dismantling and adjustable flat top support according to claim 1, characterized in that: a notch is opened in the center of the upper surface of the support plate, and a magnet block is arranged in the notch, and the movable The board has a double-layer structure, and the width of the first layer of the movable board is greater than that of the second layer, so that a groove is formed around the first layer and the second layer of the movable board; the second layer of the movable board is adsorbed on the supporting plate on the magnet block.