CN210973541U - Lock connecting structure for dismantling and hoisting temporary concrete support - Google Patents

Abstract

The utility model discloses a lock connection structure used for temporary concrete support, dismantling and hoisting, which belongs to the field of infrastructure construction; the technical proposal includes vertical plates arranged in hoisting holes, and each hoisting hole is provided with a vertical plate, The vertical plate is provided with a through hole for the fixed rope sleeve to pass through; the side wall of the hoisting hole is provided with two symmetrical positioning grooves, and the vertical ends of the vertical plate can be inserted into the positioning groove, so that the vertical plate is in the hoisting hole at the center. The utility model solves the problem that the connection between the sling and the fixed rope cover is easy to move, causing the cutting block to fall off, and the problem is easy to cause danger, and achieves the effect of preventing the sling from moving and avoiding danger.

Description

Lock connection structure for demolition and hoisting of temporary concrete support

technical field

The utility model relates to the field of infrastructure construction, in particular to a lock connection structure used for temporary concrete support, dismantling and hoisting.

Background technique

With the rapid development of urban construction in my country, there are more and more deep foundation pit projects. For complex deep foundation pit projects, reinforced concrete support systems are widely used because of their good stability and safety.

Reference can now be made to the Chinese invention patent with application publication number CN109547340A, which discloses a wire saw cutting and dismantling method for foundation pit support beams, including steps: 1. Reinforcing with a formwork support system and pouring a concrete floor on the upper part; 2: Construction preparation; 3. Determine the size and weight of the cutting block and the position of each cutting surface, draw the cutting design layout diagram and draw the cutting line on the beam; 4. Place the steel stirrup under the support beam, and place the steel stirrup between the steel horse bench and the need to be cut. Place square sleepers between the supporting beams; 5: put the wire saw machine, and connect the diamond wire saw to the wire saw machine and the supporting beam; 6: connect the power supply, cooling water, check and debug the wire saw machine and safety protection, Make safety enclosures and warning signs around the dismantling bracing; 7: start cutting; 8: hoist.

Generally, in the process of hoisting, the sling is easy to move, so that the hook cannot be directly above the cutting block, which causes the cutting block to tilt, which is easy to cause danger.

Utility model content

In view of the deficiencies of the prior art, the purpose of the present invention is to provide a lock connection structure for temporary concrete support, dismantling and hoisting, which can avoid the movement of the sling through the positioning device, thereby preventing the cutting block from tilting, avoiding Dangerous purpose.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a lock connection structure for temporary concrete support dismantling and hoisting, comprising two hoisting holes opened on the cutting block and two piercing bars arranged below the cutting block. , a fixed rope sleeve installed on the bar and a sling connected with the fixed rope sleeve; it also includes a vertical plate arranged in the hoisting hole, each hoisting hole has a vertical plate, and the vertical plate is provided with a vertical plate for fixing The through hole through which the rope sleeve passes;

Two symmetrical positioning grooves are provided on the side wall of the hoisting hole, and the vertical ends of the vertical plate can be inserted into the positioning grooves, so that the vertical plate is at the center of the hoisting hole.

By adopting the above technical solution, the two limit plates can be attached to the inner wall of the hoisting hole, and the two limit plates are symmetrically arranged, so that the vertical plate can be located in the center of the hoisting hole, and the sling and the vertical plate are connected, and the fixed rope The sleeve passes through the through hole on the vertical plate, so the sling can be connected with the fixed rope sleeve through the vertical plate, the hook can hook the sling to hoist the cutting block, and the positioning device can avoid the sling and the fixed rope sleeve. Slippage occurs at the connection, so as to avoid the deflection of the cutting block in the process of rising, and reduce the probability of danger.

The utility model is further arranged as follows: the lower end of the vertical plate is also connected with a reinforcement rope, and the lower end of the reinforcement rope is fixedly connected with the through bar.

By adopting the above technical solution, the reinforced rope can connect the vertical plate and the piercing bar together, thereby increasing the connection stability of the piercing bar and the vertical plate, and the tensile force of the vertical plate can be better transmitted to the piercing bar, which can better hoist the cutting block, and lift the cutting block.

The utility model is further provided that: the side wall of the vertical plate is also fixedly connected with a limit plate, the limit plate can be attached to the upper surface of the cutting block, and the limit plate is located between the through hole and the limit plate.

By adopting the above technical solution, the limiting plate can prevent the vertical plate from falling into the hoisting hole, so that the positioning device can be conveniently placed at the positioning hole for installation, and the use of the positioning device is more convenient.

The utility model is further configured as follows: the limiting plate is arranged obliquely, and the end of the limiting plate away from the vertical plate is inclined downward.

By adopting the above technical solution, the limit plate also plays a supporting role for the fixed rope cover at the same time, increasing the contact area between the vertical plate and the fixed rope cover, and the inclined limit plate can make the connection between the fixed rope cover and the vertical plate inclined upward. , which can make the initial force of the fixing rope set inclined, reduce the reaction force received by the limit plate, and prevent the limit plate from breaking.

The utility model is further configured as follows: the edges of the through holes are all provided with rounded corners.

By adopting the above technical solution, the rounded corners can reduce the influence of the edge of the through hole on the fixing rope cover, thereby increasing the service life of the fixing rope cover.

To sum up, the present invention has the following beneficial effects compared to the prior art:

1. There is a vertical plate in the hoisting hole on the cutting block, the two sides of the vertical plate enter the positioning groove on the hoisting hole, the fixed rope sleeve passes through the through hole on the vertical plate, and the sling and the vertical plate are fixedly connected, so the vertical The plate can prevent the connection between the sling and the fixed rope sleeve from moving, and can hoist the cutting block more stably;

2. The lower end of the vertical plate is connected with a reinforced rope, and the lower end of the rope can be fixedly connected with the bar, so that the connection between the vertical plate and the bar is more stable, and the cutting block can be better hoisted by the sling.

Description of drawings

Fig. 1 is the overall structure diagram of the embodiment;

Figure 2 is a cross-sectional view of an embodiment highlighting a reinforced cord;

FIG. 3 is an enlarged view of part A in FIG. 2 .

In the picture: 1. Cutting block; 11. Hoisting hole; 12. Positioning slot; 2. Rod; 3. Fixed rope cover; 4. Sling; 5. Vertical plate; 51. Through hole; 511, Fillet; 52 , Reinforced rope; 53, fixed hole; 54, limit plate.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings. Wherein the same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top" "Face", "inner" and "outer" refer to directions toward or away from the geometric center of a particular part, respectively.

Embodiment: A lock connection structure for temporary concrete support, dismantling and hoisting, as shown in FIG. 1 , includes two piercing bars 2 arranged below the cutting block 1 and two fixed rope sleeves sleeved on the cutting block 1 3. The two ends of the fixed rope cover 3 are connected with the two ends of the wear bar 2, so that the fixed rope cover 3 is bound to the cutting block 1 in a C shape; The two ends of 4 are respectively connected with two fixed rope sets 3; when the cutting block 1 needs to be lifted, the hook of the crane is hooked on the sling 4, so that the cutting block 1 can be lifted for transportation, and the piercing bar 2 is in the cutting position. The lower part of the block 1 can better lift the cutting block 1 .

As shown in FIG. 1 and FIG. 2 , the cutting block 1 is provided with two hoisting holes 11 , the hoisting holes 11 are located on the center line of the length direction of the cutting block 1 , and the two hoisting holes 11 are evenly arranged on the top of the cutting block 1 . On the surface, the hoisting hole 11 penetrates the cutting block 1 up and down; the penetration rod 2 is located at the hoisting hole 11 and passes through the center of the hoisting hole 11; the hoisting hole 11 is provided with a vertical plate 5, and the vertical plate 5 is provided with a fixed rope sleeve 3 The through hole 51 passed through increases the service life of the fixed rope cover 3; the upper end of the vertical plate 5 is connected with the sling 4, the lower end of the vertical plate 5 is connected with a reinforcement rope 52, and the lower end of the reinforcement rope 52 extends vertically downward. Connected with the bar 2, the reinforced rope 52 can increase the connection stability of the vertical plate 5 and the bar 2, and the sling 4 and the vertical plate 5 are connected together, so the sling 4 can better hoist the cutting block 1, and can be hoisted more stably.

As shown in FIG. 3, the upper and lower ends of the vertical plate 5 are provided with fixing holes 53. The fixing holes 53 facilitate the fixed connection of the sling 4 and the reinforcing rope 52, and can make the installation of the sling 4 and the reinforcing rope 52 more stable. Improve the stability when lifting the cutting block 1; the edges at the through hole 51 and the fixing hole 53 are also provided with rounded corners 511, which can reduce the wear of the fixing rope 3, the sling 4 and the reinforcing rope 52 caused by the edge.

As shown in FIG. 3 , two symmetrical positioning grooves 12 are formed on the inner wall of the hoisting hole 11 , and the vertical ends of the vertical plate 5 can be inserted into the positioning grooves 12 , so as to limit the position of the case of the vertical plate 5 . The vertical plate 5 is positioned at the center of the hoisting hole 11 , thereby reducing the probability of the cutting block 1 falling off, making the hoisting of the cutting block 1 safer.

As shown in FIG. 2 and FIG. 3 , two limit plates 54 are also fixedly connected to the side walls of the vertical plate 5 . The plate 5 falls in the hoisting hole 11. When the vertical plate 5 is installed, the limiting plate 54 can make the vertical plate 5 ride on the upper end of the hoisting hole 11, and the sling 4 and the reinforcing rope 52 can be connected without hand support. , which is convenient and quick, and can improve work efficiency; the limit plate 54 is inclined, and the end of the limit plate 54 away from the vertical plate 5 is inclined downward, which can change the initial force application direction of the fixed rope sleeve 3. When lifting the cutting block 1 , the vertical upward force received by the vertical plate 5, the limit plate 54 is located on the lower surface of the fixed rope cover 3, which can play an auxiliary supporting role for the fixed rope cover 3, so that the vertical plate 5 can better support the fixed rope The sleeve 3 is supported, and the vertical plate 5 is changed from the initial force to the vertical force, the fixed rope sleeve 3 and the vertical plate 5 exert force on the limit plate 54 perpendicular to each other, which is easy to cause the limit plate 54 to break and limit the The plate 54 is arranged on an inclined plane, so that the force exerted by the vertical plate 5 and the fixed rope cover 3 on the limit plate 54 is no longer perpendicular to each other, thereby reducing the probability of the limit plate 54 breaking; The included angle is α, 30°≤α≤45°, at this time, the limit plate 54 can better support the rope cover 3 .

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions that belong to the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (6)

1. A lock connecting structure for temporary concrete support dismantling and hoisting comprises two hoisting holes (11) formed in a cutting block (1), two penetrating rods (2) arranged below the cutting block (1), a fixed rope sleeve (3) arranged on the penetrating rods (2) and a sling (4) connected with the fixed rope sleeve (3); the method is characterized in that: the hoisting device also comprises vertical plates (5) arranged in the hoisting holes (11), each hoisting hole (11) is internally provided with one vertical plate (5), and the vertical plates (5) are provided with through holes for the fixed rope sleeves (3) to pass through;

two symmetrical positioning grooves (12) are formed in the side wall of the hoisting hole (11), and the vertical two ends of the vertical plate (5) can be inserted into the positioning grooves (12), so that the vertical plate (5) is located at the center of the hoisting hole (11).

2. The lock connecting structure for temporary concrete support dismantling and hoisting of claim 1, wherein: the lower end of the vertical plate (5) is also connected with a reinforcing rope (52), and the lower end of the reinforcing rope (52) is fixedly connected with the penetrating bar (2).

3. The lock connecting structure for temporary concrete support dismantling and hoisting of claim 1, wherein: the lower end of the vertical plate (5) is provided with a fixing hole (53), and the upper end of the reinforcing rope (52) is connected with the vertical plate (5) through the fixing hole (53).

4. The lock connecting structure for temporary concrete support dismantling and hoisting of claim 1, wherein: still fixedly connected with limiting plate (54) on the lateral wall of riser (5), limiting plate (54) can be with the upper surface laminating of cutting piece (1), and limiting plate (54) are located between through-hole (51) and limiting plate (54).

5. A lock connection structure for temporary concrete support demolition hoisting according to claim 4, characterized in that: the limiting plate (54) is obliquely arranged, and one end, away from the vertical plate (5), of the limiting plate (54) is inclined downwards.

6. The lock connecting structure for temporary concrete support dismantling and hoisting of claim 1, wherein: and the edges of the through holes (51) are provided with round corners (511).

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