Pipe sinking cast-in-place pile machine

Abstract

The utility model relates to the technical field of pile machines, in particular to a tube-sinking cast-in-place pile machine which comprises a base and a platform rotationally arranged on the base, a keel is arranged on the platform, three vertical rails are arranged on the keel at intervals, and a first power head, a second power head and a third power head are arranged on the three vertical rails respectively. The first power head is connected with a soil sampling drill rod, the second power head is connected with a full pile casing, and the third power head is connected with a reinforcement cage. According to the pipe-sinking cast-in-place pile machine, soil taking, pipe sinking, taking out of a tip of a pile tip, placing of a reinforcement cage, withdrawing of a full pile casing pipe after concrete pouring and the like can be achieved, recycling of the pile tip is achieved, cost is reduced, meanwhile, the full pile casing and the reinforcement cage are arranged in front, and the quality of a pile is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pile drivers, in particular to a pipe-sinking cast-in-place pile driver. Background Art

[0002] In the prior art, the production and processing of cast-in-place piles mainly involves the pouring of piles through processes such as soil excavation, pipe sinking, and pouring. Currently, a pile tip is set at the lower end of the pile pipe during the pipe sinking process. Regardless of whether the pile tip is cast with cement or welded with metal, when the steel cage is finally placed, the pile tip is left at the bottom, and then concrete is poured to connect the pile tip and the pile body as one. The role of the pile tip is only to prevent soil and the like from entering the pile pipe during the sinking process of the pile pipe, so as to avoid affecting the pouring of the pile body. After the pile body is finally formed, the pile tip is ineffective at the bottom. Therefore, the existing pile driver and pile tip structure will cause the pile tip to be unable to be reused during the pile driving process, increasing the cost of pile driving. Utility Model Content

[0003] In order to solve the above technical deficiencies, the utility model provides a pipe-sinking pile machine, which can recycle the pile tip before the pipe is sunk and concrete is poured into the pile.

[0004] The utility model discloses a pipe-sinking pile driver, comprising a base and a platform rotatably arranged on the base, a dragon support is arranged on the platform, the dragon support is arranged at one end of the platform, three vertical tracks are arranged at intervals on the dragon support, the three vertical tracks are all arranged on the same circumference with the rotation center of the platform on the base as the center, a first power head, a second power head and a third power head are respectively arranged on the three vertical tracks, a pulley seat is arranged on the top of the dragon support, a pulley is arranged on the pulley seat, a first winch, a second winch and a third winch are arranged on the platform, a steel wire rope is arranged on the first power head, which is passed through the pulley on the pulley seat and is connected to the first winch, a steel wire rope is arranged on the second power head, which is passed through the pulley on the pulley seat and is connected to the second winch, a steel wire rope is arranged on the third power head, which is passed through the pulley on the pulley seat and is connected to the third winch, a soil-taking drill rod is connected to the first power head, a full casing is connected to the second power head, and a steel cage is connected to the third power head;

[0005] The second power head is a hollow ring structure, wherein the hollow ring structure is used for placing the steel cage;

[0006] The lower end of the full casing is connected to a pile tip, and the structure of the pile tip is: it includes several plates with arc surface structures, and the plates with arc surface structures are spliced ​​in sequence to form a hollow frustum structure, and a top is provided at the end of the hollow frustum structure formed by the plate, and the top is connected to the end of the hollow frustum structure, and a steel wire rope is fixed at the middle part of the top, and the steel wire rope passes through the full casing and the second power head and extends to the pulley seat, and is connected to the fourth winch arranged on the platform; the top of each plate is provided with an upwardly protruding connection part, and a through hole is provided on the connection part, and an inner groove is provided at the end of the full casing corresponding to the connection part, and the connection part is provided in the inner groove and is connected by a pin shaft.

[0007] An arcuate groove is provided at the lower end of the plate body, and the arcuate grooves of adjacent plates are connected to form a circular groove. A circular protrusion is provided at the upper end of the top, and the protrusion is correspondingly provided in the groove.

[0008] The utility model provides a pipe-sinking pile machine that can realize soil excavation, pipe sinking, taking out the top of the pile tip, inserting a reinforcement cage, and withdrawing the full casing sleeve after pouring concrete, thereby realizing the recycling of the pile tip and reducing costs. At the same time, the full casing and reinforcement cage are adopted in advance to improve the quality of the pile. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is the structural front view of the utility model;

[0010] Figure 2 It is a structural stereogram of the utility model;

[0011] Figure 3 This is a structural cross-sectional view of the full casing and pile tip of the utility model. DETAILED DESCRIPTION

[0012] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following is a detailed description of the specific implementation method, structure, characteristics and effects of the present invention in combination with the accompanying drawings and preferred embodiments.

[0013] Example 1:

[0014] like Figure 1-Figure 3As shown, the utility model discloses a pipe-sinking pile driver, comprising a base 1 and a platform 2 rotatably arranged on the base 1, a dragon support 3 is arranged on the platform 2, the dragon support 3 is a drilling rack, and the dragon support 3 is arranged at one end of the platform 2, wherein the base 1, the platform 2, the dragon support 3 and the matching connection between the three are all existing technologies, and the rotation connection and power between the base 1 and the platform 2 are also existing technologies, which are not described in detail here. Three vertical rails 5 are arranged at intervals on the dragon support 3, and the three vertical rails 5 are all arranged on the same circumference with the rotation center of the platform 2 on the base 1 as the center of the circle, and a first power head 6, a first power head 6 and a first power head 6 are respectively arranged on the three vertical rails 5. The second power head 7 and the third power head 8 are provided with a pulley seat 4 at the top of the dragon support 3, a pulley is provided on the pulley seat 4, and a first winch, a second winch, and a third winch are provided on the platform 2. A steel wire rope 9 is provided on the first power head 6 to pass through the pulley on the pulley seat 4 and be connected to the first winch, a steel wire rope 9 is provided on the second power head 7 to pass through the pulley on the pulley seat 4 and be connected to the second winch, a steel wire rope 9 is provided on the third power head 8 to pass through the pulley on the pulley seat 4 and be connected to the third winch, a soil drilling rod 10 is connected to the first power head 6, a full casing 11 is connected to the second power head 7, and a steel cage 12 is connected to the third power head 8;

[0015] Figure 1 、 Figure 2 The middle winches are all for display.

[0016] The above-mentioned pulley seat 4 and the setting of the pulley are also conventional settings in the prior art. It mainly passes the steel wire rope 9 on the winch around the pulley and then connects it to the corresponding power head to realize the movement of the power head on the corresponding vertical track 5. The three vertical tracks 5 are on the same circumference with the center of the rotating shaft of the platform 2 on the base 1 as the center of the circle. In this way, when taking soil, sinking pipes and placing steel cages 12, it is only necessary to rotate the platform 2 to move the soil-taking drill rod 10, the full casing 11, and the steel cage 12 to the top of the pile position, and the base 1 does not need to be moved or adjusted. Among them, the first power head 6 and the third power head 8 are conventional power heads, and the second power head 7 is a power head with vibration. They are all produced and sold by Beijing Lite Engineering Machinery Co., Ltd. and are commercially available products. The specific structure will not be repeated here.

[0017] The second power head 7 is a hollow ring structure, in which the hollow ring structure is used to place the steel cage 12; the second power head 7 adopts a hollow ring structure, so that the steel cage 12 can be placed into the full casing 11 from the second power head 7, which is convenient for the prevention of the steel cage 12. At the same time, concrete can be poured from the second power head 7, which is easy to operate and does not require disassembly of the second power head 7 and the full casing 11, thereby improving efficiency.

[0018] The lower end of the full casing 11 is connected to a pile tip 13, and the structure of the pile tip 13 is as follows: it includes several plates 14 with curved surface structures, and the plates 14 with curved surface structures are spliced ​​in sequence to form a hollow frustum structure. A tip 15 is provided at the end of the hollow frustum structure formed by the plate 14, and the tip 15 is docked with the end of the hollow frustum structure. A steel wire rope 9 is fixed to the middle part of the tip 15, and the steel wire rope 9 passes through the full casing 11 and the second power head 7 and extends to the pulley seat 4, and is connected to the fourth winch arranged on the platform 2; the top of each plate 14 is provided with an upwardly protruding connecting portion 16, and a through hole 17 is provided on the connecting portion 16, and an inner groove 18 is provided at the end of the full casing 11 corresponding to the connecting portion 16, and the connecting portion 16 is arranged in the inner groove 18 and is rotatably connected by a pin shaft.

[0019] The pile tip 13 is composed of a tip 15 and a plate 14. The plate 14 is rotatably connected to the lower end of the full-casing casing 11 via a pin, and the pin is tangential to the circumference of the full-casing casing 11. The diameter of the tip 15 at its largest point must be smaller than the inner diameter of the full-casing casing 11 to ensure that the tip 15 can be removed from the full-casing casing 11. When the tip 15 engages the plate 14, the plate 14 tilts inward, forming a conical structure with the plate 14. During the downward pressure on the full-casing casing 11, the tip 15 and the plate 14 remain connected. When the two are separated, gravity causes the lower ends of the plates 14 to expand outward a certain distance, creating a gap between the plates 14 larger than the diameter of the tip 15, allowing the tip 15 to be removed from the center of the plates 14.

[0020] The finial 15 is also connected to the pulley seat 4 at the top of the dragon support 3 via a steel wire rope 9, and then passes over the pulley to connect to the fourth winch on the platform 2. Of course, due to the relatively small weight of the finial 15, the fourth winch can be omitted, and an electric hoist can be installed at the pulley seat 4 to retract the steel wire rope 9 and thus lift the finial 15.

[0021] An arcuate groove 19 is provided at the lower end of the plate 14. The arcuate grooves 19 of adjacent plates 14 are butted together to form a circular groove. A circular protrusion 20 is provided at the upper end of the tip 15, and the protrusion 20 is correspondingly disposed within the groove. The arcuate groove 19 is provided at the lower end of the plate 14. After all the plates 14 are spliced ​​together, a circular groove is formed. The circular protrusion 20 is provided at the upper end of the tip 15. After the plates 14 are mated, the protrusion 20 of the tip 15 is inserted into the groove of the plate 14 to achieve the restriction of the plate 14. In this connection form, when the full casing 11 and the pile tip 13 are lowered into the pipe, the fit between the two is tight and secure, and they will not come apart. When the full casing 11 sinks into place, the full casing 11 can be lifted upward. At this time, the full casing 11 will move the plate body 14 upward for a certain distance. The distance needs to be greater than the depth of the arc groove 19 on the plate body 14. In this way, the plate body 14 and the top 15 can be separated. The plate body 14 naturally unfolds under the action of gravity. At this time, the fourth winch can be used to remove the top 15 from between the plate bodies 14 and the full casing 11, and the plate body 14 can finally be taken out along with the full casing 11.

[0022] Specific working process:

[0023] After the auger 11 is lowered to the bottom of the pile, the second hoist 7 is retracted to lift the second power head 7 and the full casing 11 upwards for a short distance, so that the plate 14 is separated from the top 15. The plate 14 is unfolded under the action of gravity, and the top 15 is pulled out from the full casing 11 under the action of the fourth hoist. Remove the wire rope 9 from the second power head 7; then rotate the platform 2 so that the steel cage 12 on the third power head 8 is aligned with the second power head 7 at the pile hole, and put the steel cage 12 from the hollow annular structure of the second power head 7 into the full casing 11, and the third power head 8 is separated from the steel cage 12; rotate the platform 2 so that the second power head 7 corresponds to the corresponding vertical track 5, and the wire rope 9 of the second winch is connected to the second power head 7, and concrete is poured from the hollow annular structure of the second power head 7. During the pouring of concrete, the second power head 7 drives the full casing 11 to be pulled out upward, and continuous vibration occurs during the process, which can make the concrete more compact to improve the pouring effect, until the full casing 11 is completely pulled out, and the pouring of the pile is completed.

[0024] In the above process, the pile tip 13 can be recycled and reused. At the same time, the steel cage 12 is placed inside the full casing 11 before pouring concrete to ensure the accuracy of the position of the steel cage 12 and higher quality of the pile. In addition, the full casing 11 can protect the entire pile hole, and no soil will enter during the entire pile pouring process, which has high reliability.

[0025] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do 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 limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0026] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to the interaction between two elements. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0027] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0028] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simplified modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A pipe-immersed pile driver, comprising a base and a platform rotatably mounted on the base, wherein a jack is mounted on the platform, and wherein: The dragon support is arranged at one end of the platform, and three vertical tracks are arranged at intervals on the dragon support, and the three vertical tracks are all arranged on the same circumference with the rotation center of the platform on the base as the center of the circle, and a first power head, a second power head, and a third power head are respectively arranged on the three vertical tracks. A pulley seat is arranged on the top of the dragon support, and a pulley is arranged on the pulley seat. A first winch, a second winch, and a third winch are arranged on the platform. A steel wire rope is arranged on the first power head to pass through the pulley on the pulley seat and be connected to the first winch, a steel wire rope is arranged on the second power head to pass through the pulley on the pulley seat and be connected to the second winch, and a steel wire rope is arranged on the third power head to pass through the pulley on the pulley seat and be connected to the third winch. A soil drill rod is connected to the first power head, a full casing is connected to the second power head, and a steel cage is connected to the third power head; The second power head is a hollow ring structure, wherein the hollow ring structure is used for placing the steel cage; The lower end of the full casing is connected to a pile tip, and the structure of the pile tip is: it includes several plates with arc surface structures, and the plates with arc surface structures are spliced ​​in sequence to form a hollow frustum structure, and a top is provided at the end of the hollow frustum structure formed by the plate, and the top is connected to the end of the hollow frustum structure, and a steel wire rope is fixed at the middle part of the top, and the steel wire rope passes through the full casing and the second power head and extends to the pulley seat, and is connected to the fourth winch arranged on the platform; the top of each plate is provided with an upwardly protruding connection part, and a through hole is provided on the connection part, and an inner groove is provided at the end of the full casing corresponding to the connection part, and the connection part is provided in the inner groove and is connected by a pin shaft.

2. A pipe-immersed pile driver according to claim 1, characterized in that: An arcuate groove is provided at the lower end of the plate body, and the arcuate grooves of adjacent plates are connected to form a circular groove. A circular protrusion is provided at the upper end of the top, and the protrusion is correspondingly provided in the groove.

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