PHC pipe pile static pressure positioning device

Abstract

The utility model discloses a PHC tubular pile static pressure positioning device which comprises an installation bottom plate arranged on a static pressure pile driver and a positioning auxiliary mechanism connected to the installation bottom plate, and the positioning auxiliary mechanism is hooped to a hoisted tubular pile body. The positioning auxiliary mechanism comprises a plurality of supporting columns installed on the installation bottom plate and hoop plates arranged at the tops of the different supporting columns respectively, and the multiple hoop plates are sequentially connected to form a hoop ring. A plurality of sliding idler wheels are arranged on the inner sides of the hoop plates, a turnover supporting plate is arranged on the outer side of each hoop plate, an infrared distance meter is arranged at the end of each turnover supporting plate, and the infrared distance meters all face a pipe pile body. The positioning device is used for accurately positioning the PHC pipe pile during static pressure construction so as to assist a static pressure machine in the construction process to ensure that the pipe body of the pipe pile is always in a vertical position, the deviation is reduced, and the construction quality is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a PHC pipe pile static pressure positioning device. Background Art

[0002] Prestressed High-Strength Concrete Piles (PHC piles) are an advanced pile type that reflects the progress of contemporary concrete technology and the development level of prestressed technology. It is a hollow cylindrical slender concrete prefabricated component made by prestressing technology and centrifugal forming, mainly composed of a cylindrical pile body, end plate and steel hoop.

[0003] PHC pipe piles have the advantages of high single pile bearing capacity, large design range (Φ300mm~Φ800mm), good pile crack resistance, reliable pile quality, low engineering cost, short construction period, good pile resistance, strong penetration, etc. At the same time, since PHC piles are produced by professional manufacturers, the quality of the pile body is easy to guarantee, and it is not affected by construction conditions such as groundwater and tides, and the construction period is significantly shortened, so it is generally welcomed by construction units.

[0004] In the prior art, the main construction methods of PHC piles are:

[0005] Hammer pile driving: Use a diesel pile driver to repeatedly hammer the PHC piles to drive them into the ground. The main advantages of hammer pile driving are fast pile driving speed, wide application range, and the ability to handle construction under various geological conditions. However, this method also has some disadvantages, such as the moment the pile hammer and the pile come into contact, it will generate a lot of noise, which will have a certain impact on the surrounding environment, and the pile head is easy to be damaged.

[0006] Static pile driving: It is a method of driving precast piles into the soil section by section by using static pressure. Compared with hammer pile driving, it is noise-free, vibration-free and pollution-free during construction, and has little interference with the surrounding environment. The principle is to use the deadweight and counterweight of the pile driver to apply static pressure to the precast pile through the pressure beam. When the static pressure is greater than the pile tip resistance and the friction between the pile body and the soil layer, the pile is gradually pressed into the soil.

[0007] However, the key to static pile pressure is how to keep the pile axis under pressure during construction. If there is any deviation, it should be corrected immediately. Utility Model Content

[0008] The utility model aims to provide a PHC pipe pile static pressure positioning device, which can accurately position the PHC pipe pile during static pressure construction, so as to assist the static pressure machine in the construction process, ensure that the pipe body of the pipe pile is always in a vertical position, reduce deviation, and ensure construction quality.

[0009] In order to achieve the above purpose, the technical solution adopted by the utility model is specifically as follows:

[0010] A PHC pipe pile static pressure positioning device comprises a mounting base plate arranged on a static pressure pile driver, a positioning auxiliary mechanism connected to the mounting base plate, and the positioning auxiliary mechanism is clamped to the pipe pile body after lifting; the positioning auxiliary mechanism comprises a plurality of support columns mounted on the mounting base plate, clamping plates respectively arranged on the tops of different support columns, and a plurality of clamping plates are sequentially connected to form a clamping ring; a plurality of sliding rollers are arranged on the inner side of the clamping plate, and a flip support plate is arranged on the outer side of each clamping plate, and an infrared rangefinder is arranged at the end of each flip support plate, and the infrared rangefinders are all facing the pipe pile body.

[0011] Furthermore, a support cylinder placement groove is provided on the outer side of the hoop plate.

[0012] Furthermore, one end of the flip support plate is hinged to the upper part of the hoop plate through a rotating shaft, and a top support assembly is arranged at the bottom of the support rod storage groove.

[0013] Furthermore, the supporting assembly includes a supporting cylinder, a supporting rod connected to the piston rod of the supporting cylinder, and the other end of the supporting rod is against the middle of the flip support plate.

[0014] Furthermore, a mounting groove is provided at the end of the flip support plate, and a plurality of threaded connection holes are provided around the mounting groove.

[0015] Furthermore, the support columns are arranged at an angle, and a reinforcing support rib column is arranged on the inner side of each support column.

[0016] Compared with the prior art, the utility model has the following advantages: the utility model has a simple structure, and the positioning device is arranged on the basis of the static pressure pile driver to perform auxiliary positioning after the PHC pile is lifted. The infrared rangefinder is used to continuously monitor whether the pile is offset, and the deviation is corrected in advance to ensure that the PHC pile maintains the axis of the pile under pressure when it is under pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a PHC pipe pile static pressure positioning device provided by the utility model.

[0019] Figure 2The utility model is a schematic diagram of the top view of the structure of the clamp ring of the PHC pipe pile static pressure positioning device.

[0020] Reference numerals:

[0021] 1. PHC pile; 2. Clamp ring; 3. Mounting base plate; 4. Support column; 5. Strengthening support rib column; 6. Rotating shaft; 7. Mounting groove; 8. Threaded connection hole; 9. Infrared rangefinder; 10. Sliding roller. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0024] In the description of the present utility model, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when used. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0025] In addition, the terms “first”, “second”, “third”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0026] In addition, the terms "horizontal", "vertical", "overhanging", etc. do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connection", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0029] like Figure 1-Figure 2 As shown, a PHC pipe pile static pressure positioning device includes a mounting base plate 3 arranged on a static pressure pile driver, a positioning auxiliary mechanism connected to the mounting base plate 3, and the positioning auxiliary mechanism is clamped to the pipe pile body after lifting; the positioning auxiliary mechanism includes a plurality of support columns 4 mounted on the mounting base plate 3, clamping plates respectively arranged on the tops of different support columns 4, and a plurality of clamping plates are sequentially connected to form a clamping ring 2; a plurality of sliding rollers 10 are arranged on the inner side of the clamping plate, and a flip support plate is arranged on the outer side of each clamping plate, and an infrared rangefinder 9 is arranged at the end of each flip support plate, and the infrared rangefinder 9 is all facing the pipe pile body.

[0030] Compared with the prior art, in the prior art, the PHC pipe pile 1 is mainly operated by a static pressure pile driver, also known as a static pressure pile planting machine. Generally speaking, the static pressure pile driver integrates the lifting and static load pressing units on a crawler operation vehicle, and gradually presses the PHC pipe pile 1 into the target ground by pressing down section by section. However, during the static pressure operation, the best solution is to keep the pressed PHC pipe pile 1 in a vertical state at all times, so that the PHC pipe pile 1 is always in an axial pressure state, avoiding the problem of the pipe pile being offset during the static pressure into the soil. In the utility model, in order to improve the continuity of the axis compression state of the PHC pipe pile 1 when it is under pressure, an auxiliary mechanism is arranged on the installation base plate 3 of the static pressure pile driver. The auxiliary mechanism is provided with an infrared rangefinder 9 on its foundation, and the auxiliary mechanism is fixed. The infrared rangefinder 9 is used to locate and measure the distance of the pile body from different angles. When the pile body descends, it can be observed whether the pile body is offset in various directions during the descending process, so that the offset of the pile body can be discovered in advance and correction work can be performed to avoid repeated construction.

[0031] Furthermore, the utility model can also set a spring assembly and a pressure sensor on the sliding roller 10 in the hoop plate, and continuously observe the stress conditions of the rollers around the hoop plate through the pressure sensor. When the axis is pressed in, the rollers around the hoop plate are under balanced pressure. When the PHC pile 1 deviates, the pressure sensors are unevenly stressed, thereby issuing an early warning of the deviation and performing correction operations in time.

[0032] A supporting cylinder placement groove is arranged on the outer side of the hoop plate.

[0033] One end of the flip support plate is hinged to the upper part of the hoop plate through a rotating shaft 6, and a top support assembly is arranged at the bottom of the support rod storage groove.

[0034] The supporting assembly includes a supporting cylinder, a supporting rod connected to the piston rod of the supporting cylinder, and the other end of the supporting rod is against the middle of the flip support plate. The supporting cylinder automatically lifts the supporting rod, thereby supporting the flip support plate and making the mounting groove 7 installed at the end of the flip support plate flush with the upper end surface of the hoop plate, and the infrared rangefinder 9 connected to the mounting groove 7 can measure the distance of the PHC pile 1 from different directions, so as to judge whether the PHC pile 1 is offset during the static pressure process from the distance from the infrared rangefinder 9 to the pipe body at different angles.

[0035] The support columns 4 are arranged obliquely, and a reinforcing support rib column 5 is arranged on the inner side of each support column 4 .

[0036] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A PHC pile static pressure positioning device, characterized in that: The invention comprises a mounting base plate (3) arranged on a static pressure pile driver, a positioning auxiliary mechanism connected to the mounting base plate (3), and the positioning auxiliary mechanism is clamped to the pile body of the pipe pile after lifting; the positioning auxiliary mechanism comprises a plurality of support columns (4) mounted on the mounting base plate (3), clamping plates respectively arranged on the tops of different support columns (4), and the plurality of clamping plates are connected in sequence to form a clamping ring (2); a plurality of sliding rollers (10) are arranged on the inner side of the clamping plate, and a flip support plate is arranged on the outer side of each clamping plate, and an infrared rangefinder (9) is arranged at the end of each flip support plate, and the infrared rangefinder (9) is facing the pipe pile body.

2. The PHC pile static pressure positioning device according to claim 1, characterized in that: One end of the flip support plate is hinged to the upper part of the hoop plate through a rotating shaft (6), and a top support assembly is arranged at the bottom of the support rod storage groove.

3. The PHC pile static pressure positioning device according to claim 2 is characterized in that: The supporting assembly comprises a supporting cylinder, a supporting rod connected to the piston rod of the supporting cylinder, and the other end of the supporting rod is against the middle part of the flip supporting plate.

4. The PHC pile static pressure positioning device according to claim 1, characterized in that: A supporting cylinder placement groove is arranged on the outer side of the hoop plate.

5. The PHC pile static pressure positioning device according to claim 2, characterized in that: The end of the flip support plate is provided with a mounting groove (7), and a plurality of threaded connection holes (8) are provided around the mounting groove (7).

6. The PHC pile static pressure positioning device according to claim 1, characterized in that: The support columns (4) are arranged obliquely, and a reinforcing support rib column (5) is arranged on the inner side of each support column (4).

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