CN207812523U - Anchor jacked pile constructing device - Google Patents

Abstract

The utility model relates to the technical field of pile foundation reinforcement construction, in particular to an anchor static pressure pile construction device. The main body of the pile pressure frame includes a pile pressure frame column and a pile pressure frame beam, and a reaction beam is suspended on the ground through an electric hoist. On the beam of the pile press frame, and the two ends of the reaction beam are fixed on the column of the pile press frame through bolts, thus providing a pile press device that can perform underpinning and reinforcement in a low clearance environment; and the anchor rod is static In the pile-pressing construction device, the beam of the pile-pressing frame, the column of the pile-pressing frame and the reaction beam are all high-strength steel plates made of Q345 or Q420, so that the pull-out resistance of the device can be improved under the premise of reducing its own weight, and thus can be greatly improved. The bearing capacity of piles (pile pressure can reach 5000KN), the improvement of single pile bearing capacity means that the number of supplementary piles will be reduced accordingly, and the damage to the foundation floor will be smaller, so that the structure will be better stressed, so it can meet special construction projects Requirements for pile foundation treatment.

Description

Anchor static pressure pile construction device

technical field

The utility model relates to the technical field of pile foundation reinforcement construction, in particular to an anchor static pressure pile construction device.

Background technique

1. In the pile foundation engineering of high-rise buildings, pile foundation quality accidents such as broken piles, necking, deflection, and joint disengagement often occur.

2. High-rise buildings are unevenly settled due to changes in the bearing layer and pile tips not reaching the bearing layer.

3. After the high-rise unfinished building project is restarted, the upper structure function changes, resulting in the corresponding adjustment of the lower pile foundation.

4. Reinforcement of buildings (structures) within 50m along the subway line.

5. Settlement of adjacent buildings caused by deep foundation pit excavation, displacement accidents of engineering piles, etc.

Dealing with this type of accident project requires a long construction period, and large-scale pile foundation equipment cannot enter the indoor construction, which is not expected by those skilled in the art.

Utility model content

Aiming at the above-mentioned problems, the utility model discloses a construction device for static pressure piles with anchor rods, which includes a pile body, a pile pressure frame main body, a jack and a reaction beam;

The main body of the pile-pressing frame includes a pile-pressing frame beam and a pile-pressing frame column arranged at both ends of the pile-pressing frame beam for supporting the pile-pressing frame beam, the bottom of the pile-pressing frame column is provided with a base, The base is fixed on the base plate through anchor rods, and the column of the pile press frame is sequentially provided with a plurality of pin holes from top to bottom;

The reaction beam is suspended on the beam of the pile-pressing frame through an electric hoist, and both sides of the reaction-force beam are installed on the columns of the pile-pressing frame through bolts;

The pile body is connected to the reaction beam through the jack;

Wherein, the beam of the pile press frame, the column of the pile press frame and the reaction beam are all steel plates.

In the above construction device for anchor static pressure piles, the jack is a hydraulic jack.

In the above construction device for anchor static pressure piles, the steel plate is Q345 or Q420 steel.

The above-mentioned utility model has the following advantages or beneficial effects:

The utility model discloses a construction device for anchor static pressure piles. The main body of a pile pressure frame includes a pile pressure frame column and a pile pressure frame beam, and a reaction beam is suspended on the pile pressure frame beam through an electric hoist. The two ends of the force beam are fixed to the column of the pile-pressing frame through bolts, thus providing a pile-pressing device that can carry out underpinning and reinforcement in a low-clearance environment; The crossbeam, the column of the pile press frame and the reaction beam are all high-strength steel plates made of Q345 or Q420, which can improve the pull-out capacity of the device while reducing its own weight, thereby greatly improving the bearing capacity of the pile (pile press force It can reach 5000KN), and the single pile bearing capacity is increased, which means that the number of supplementary piles is reduced accordingly, and the damage to the foundation floor is smaller, so that the structure is better stressed, so it can meet the needs of pile foundation treatment in construction projects.

Description of drawings

The invention and its features, shapes and advantages will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings. Like numbers designate like parts throughout the drawings. The drawings may not be drawn to scale, and the emphasis is on illustrating the gist of the present invention.

Fig. 1 is a structural schematic diagram of a static pressure pile construction device in an embodiment of the utility model.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

As shown in Figure 1, the present embodiment relates to a construction device for bolted static pressure piles, which includes a pile body 1, a main body of a pile press frame, a jack 5 and a reaction beam 9; the main body of the pile press frame includes a beam of a pile press frame 10 and be arranged at the two ends of the pile-pressing frame beam 10 for supporting the pile-pressing frame column 4 of the pile-pressing frame beam 10, the bottom of the pile-pressing frame column 4 is provided with a base 11, and the base 11 is fixed on the base plate by the anchor rod 3 7, and the pile-pressing frame column 4 is provided with a plurality of pin holes 41 successively from top to bottom; It is detachably installed on the pile-pressing frame column 4 through the bolt 8. Since the pile-pressing frame column 4 is provided with a plurality of pin holes 41 from top to bottom, which pin of the pile-pressing frame column 4 can be inserted through the latch 8 In the hole 41, the height of the reaction beam 9 can be freely adjusted as required, so as to realize the detachable displacement of the reaction beam 9; the pile body 1 is connected with the reaction beam 9 through the jack 5; wherein, the pile pressure beam 10 The column 4 of the pile-pressing frame and the reaction beam 9 are all steel plates; the above-mentioned pile body 1 is arranged in the pile-pressing hole 2 reserved in the above-mentioned base plate 7 .

In a preferred embodiment of the present utility model, the above-mentioned jack 5 is a hydraulic jack.

In a preferred embodiment of the present utility model, the above-mentioned steel plate is Q345 or Q420 steel, so that the anchor static pressure pile construction device can meet the pile pressure requirement of 5000KN level.

Concretely, when the utility model is carrying out pile-pressing construction, utilize the self-weight of the building as the reaction force, through the reaction force frame 9 and the jack 5, the pile body 1 is pressed into the soil section by section, pressed to the required depth and reaching the designed pile pressure. After the force is applied, concrete is poured in the pile pressure hole 2, so that the pile body 1 and the foundation floor form an integral body, and the pile body can bear the upper load, thereby achieving the purpose of underpinning and strengthening the foundation.

In summary, the anchor static pressure pile construction device in the utility model can adapt to the pile body construction in the environment of low headroom, and the pressure pile frame beam, the pile pressure frame column and the reaction beam in the anchor bolt static pressure pile construction device are all High-strength steel plates are used, so that the tensile capacity of the device can be greatly improved without increasing the self-weight of the device, and the construction device has the advantages of high pull-out resistance and stable pressure pile frame.

Those skilled in the art should understand that those skilled in the art can implement variations by combining the existing technology and the foregoing embodiments, and details are not described here. Such variations do not affect the essential content of the present invention, and will not be repeated here.

The preferred embodiments of the present utility model have been described above. It should be understood that the utility model is not limited to the above-mentioned specific embodiments, and the devices and structures not described in detail should be understood to be implemented in a common way in the art; any person familiar with the art, without departing from Under the scope of the technical solution of the utility model, many possible changes and modifications can be made to the technical solution of the utility model by using the methods and technical contents disclosed above, or be modified into equivalent embodiments with equivalent changes, which does not affect the utility model. new substance. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical proposal of the present invention.

Claims (3)

1. A bolt static pressure pile construction device is characterized in that, comprises pile body, pile-pressing frame main body, jack and reaction beam; The main body of the pile-pressing frame includes a pile-pressing frame beam and a pile-pressing frame column arranged at both ends of the pile-pressing frame beam for supporting the pile-pressing frame beam, the bottom of the pile-pressing frame column is provided with a base, The base is fixed on the base plate through anchor rods, and the column of the pile press frame is sequentially provided with a plurality of pin holes from top to bottom; The reaction beam is suspended on the beam of the pile-pressing frame through an electric hoist, and both sides of the reaction-force beam are installed on the columns of the pile-pressing frame through bolts; The pile body is connected to the reaction beam through the jack; Wherein, the beam of the pile press frame, the column of the pile press frame and the reaction beam are all steel plates. 2 . The construction device for anchor static pressure piles according to claim 1 , wherein the jack is a hydraulic jack. 3 . 3. The anchor static pressure pile construction device according to claim 1, wherein the steel plate is Q345 or Q420 steel.