CN216339479U

CN216339479U - Screw lock connection type precast pile head protection device

Info

Publication number: CN216339479U
Application number: CN202123077900.0U
Authority: CN
Inventors: 刘文泽; 杨洁; 金辽东
Original assignee: China MCC20 Group Corp Ltd
Current assignee: China MCC20 Group Corp Ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-04-19
Anticipated expiration: 2031-12-09

Abstract

The utility model provides a screw lock connection type precast pile head protection device, which comprises: the protection box is a square box body with an opening at one end, and is used for being sleeved on the pile head of the precast pile; the at least two connecting lugs are arranged, the two connecting lugs are arranged on the outer side walls of two opposite sides of the protection box, and the connecting lugs are used for moving the protection box; the buffer pad is laid on the inner side wall of the protection box. The pile head protection device of the screw lock connection type precast pile is simple to manufacture, low in cost, convenient and fast to install, capable of being recycled, and capable of greatly saving construction cost and manufacturing cost. The pile head protection device for the screw lock connection type precast pile changes the traditional construction method, does not need low-efficiency and complex construction process, ensures the construction quality, effectively controls the problems of manpower, safety risk and the like, and greatly improves the construction efficiency.

Description

Screw lock connection type precast pile head protection device

Technical Field

The utility model relates to the technical field of engineering construction, in particular to a screw lock connection type precast pile head protection device.

Background

At present, with the requirement of rapid development of cities, a seat building is quickly pulled up in the cities, and with the rapid construction of the building, a building enterprise is driven to rapidly develop, the building enterprise often relates to the construction of a pile foundation in the construction process of the building, and with the progress of engineering technology, the proportion of precast piles in the construction of the pile foundation is larger and larger, the piles are precast in a factory, and then the precast piles are transported to a construction site to be driven into the ground by using pile driving equipment.

The existing precast piles are usually in screw lock type connection and welding connection, and when the screw lock type connection is adopted, the pile body can be damaged in different degrees in the construction process because a manufacturer does not take effective protective measures for a pile head mechanical connection port. For example, when an MC stiff composite pedestal pile (M pile: high-pressure spraying cement soil pile; C pile: pre-tensioning concrete square pile) is constructed, cement soil is poured into a mechanical connecting port due to the fact that a cement soil stirring pile is constructed firstly and the pre-tensioning concrete square pile is sunk concentrically within a set time, and then, when a pile foundation bearing platform reinforcing steel bar is installed later, installation is inconvenient, a large amount of labor and time are needed to be spent for cleaning the cement soil and garbage in the mechanical connecting port, and when a bearing platform is excavated after pile driving is completed, the pile head is damaged and the service life of the pile is influenced due to rough construction of a digging machine, inaccurate pile foundation positioning of a measuring person, lagging pile position tracking and measuring of a measuring person and manual cleaning of soil around the pile head after pile foundation positioning.

Disclosure of Invention

In view of the above, the present invention provides a screw-lock connection type precast pile head protection device, which aims to prevent a mechanical connection port from entering cement, garbage and a nut from being damaged after a precast pile is sent into a soil body by using a pile feeder during pile foundation construction, and prevent a pile head from being damaged by a digging machine and protect the quality of the pile head when the digging machine is used for rough construction, inaccurate pile foundation positioning of a measuring person, lagging pile position of the measuring person in tracking and measuring, and the soil body around the pile head is not manually cleaned after pile foundation positioning.

In one aspect, the present invention provides a pile head protection device for a screw-lock connection type precast pile, comprising:

the protection box is a square box body with an opening at one end, and is used for being sleeved on the pile head of the precast pile;

the at least two connecting lugs are arranged, the two connecting lugs are arranged on the outer side walls of two opposite sides of the protection box, and the connecting lugs are used for moving the protection box;

the buffer pad is laid on the inner side wall of the protection box.

Furthermore, a reinforcing plate is laid on the outer bottom surface of the protection box.

Further, the protection box is made of five steel plates through welding.

Further, the reinforcing plate is a steel plate, and the reinforcing plate is welded on the outer bottom surface of the protection box.

Further, the buffer pad is a rubber pad.

Furthermore, the connecting lug is of a U-shaped structure, and the opening end of the connecting lug is welded with the outer side wall of the protection box.

Further, the connecting lug is made of bent steel bars.

Compared with the prior art, the screw lock connection type precast pile head protection device has the beneficial effects that the screw lock connection type precast pile head protection device is simple to manufacture, low in cost, convenient and fast to install, capable of being recycled, and greatly saves the construction cost and the manufacturing cost.

The pile head protection device for the screw lock connection type precast pile changes the traditional construction method, does not need low-efficiency and complex construction process, ensures the construction quality, effectively controls the problems of manpower, safety risk and the like, and greatly improves the construction efficiency.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a top view of a pile head protection device of a screw-lock connection type precast pile according to an embodiment of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

fig. 3 is a cross-sectional view taken along line B-B of fig. 1.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 3, the present embodiment provides a screw-lock connection type protection device for a pile head of a precast pile, including: the protection box 1 is a square box body with an opening at one end, and the protection box 1 is used for being sleeved on the pile head of the precast pile; at least two connecting lugs 3 are arranged, the two connecting lugs 3 are arranged on the outer side walls of two opposite sides of the protection box 1, and the connecting lugs 3 are used for moving the protection box 1; and the buffer pad 2 is laid on the inner side wall of the protection box 1.

Specifically, a reinforcing plate 4 is laid on the outer bottom surface of the protection case 1.

Specifically, the protective case 1 is made of five steel plates by welding.

Specifically, the reinforcing plate 4 is a steel plate, and the reinforcing plate 4 is welded to the outer bottom surface of the protective case 1.

Specifically, the cushion pad 3 is a rubber pad.

Specifically, the connection lug 3 is a U-shaped structure, and an open end thereof is welded to an outer side wall of the protection box 1.

Specifically, the engaging lug 3 is formed by bending a steel bar.

Above-mentioned embodiment is not enough to prior art, carries out the protection construction of pile head through taking steel bushing and rubber pad, can protect the mechanical connector simultaneously, can be fine again with the pile head protection, can show reduction of erection time, effective control manpower, security quality risk scheduling problem.

The screw-lock connection type precast pile head protection device is simple to manufacture, low in cost, convenient to install, and capable of being recycled, and construction cost and manufacturing cost are greatly saved.

The screw-lock connection type precast pile head protection device of the embodiment changes the traditional construction method, does not need low efficiency and complex construction process, ensures the construction quality, effectively controls the problems of manpower, safety risk and the like, and greatly improves the construction efficiency.

In the construction of pile foundation engineering, the above embodiment has the following use cases:

in the first case: under the use hammering pile driver condition, when using pile equipment to squeeze into the underground with first section or this position first stake, overlap this device at the pile head, protect the integrality of pile head, avoid causing the pile head impaired, when basic cushion cap excavation, when digging out the pile head, probably because to steel bushing extrusion deformation in the work progress, when being difficult to extract, can follow the lug of this device side and use the connection rope to extract it the soil body.

In the second case: under the condition of using a static pile machine, the device mainly plays a role of protecting a mechanical connector of a pile head from entering cement soil and garbage; when the construction is carried out, the device is arranged at the pile head when the engineering pile uses the pile feeder, the integrity of the pile head is protected, the pile head is prevented from being damaged, when the foundation bearing platform is excavated, the pile head is probably extruded and deformed by a steel sleeve in the construction process, and when the pile head is not easily extracted, the device can be extracted from a soil body by using the connecting rope through a lifting lug at the side edge of the device.

In the third case: the device mainly protects the integrity of the pile head mechanical connector screw thread and the pile head. After the pile is driven into the soil body, after the concrete bottom plate bearing platform reaches the excavation condition, when the excavator digs, the situations that the pile head concrete is damaged, the rigid connection mechanical connector is damaged and the like are easily caused because the excavator is under rough construction, the pile foundation of a measuring person is positioned inaccurately, the measuring person tracks and measures the pile position lag, and the pile foundation is positioned without manually cleaning the soil body around the pile head are likely to occur, so that the quality problem needs to be compensated and perfected by wasting manpower and materials after the pile head concrete is damaged. Can consider to use this device to avoid the emergence of above problem this moment, save artifical material, guarantee pile foundation construction quality.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a screw lock connected precast pile head protection device which characterized in that includes:

the buffer pad is laid on the inner side wall of the protection box.

2. The pile head protection device of the screw-lock connection type precast pile according to claim 1, wherein a reinforcing plate is laid on the outer bottom surface of the protection box.

3. The pile head protection device of claim 2, wherein the protection box is made of five steel plates by welding.

4. The pile head protection device of claim 3, wherein the reinforcing plate is a steel plate, and the reinforcing plate is welded to the outer bottom surface of the protection box.

5. The screw-lock connection type precast pile head protection device according to claim 1, wherein the cushion pad is a rubber pad.

6. The pile head protector of screw-lock connection type precast pile according to claim 1, wherein the connection lug is of a U-shaped structure, and the open end thereof is welded with the outer side wall of the protection box.

7. The pile head protector of claim 6, wherein said engaging lug is made by bending steel bars.