Righting and lengthening device for steel pipe pile

Abstract

The utility model belongs to the technical field of anchor rod static pressure piles, and particularly relates to a steel pipe pile righting and lengthening device which comprises an anchoring frame fixed to the ground through an anchor rod, a pile pressing machine is arranged at the top of the anchoring frame, a sleeve is arranged in the pile pressing machine, and a supporting plate is fixedly connected to the left side of the upper end of the pile pressing machine. The top of the supporting plate makes contact with a steel pipe pile, the right side of the upper end of the pile pressing machine is fixedly connected with a portal frame, and a fixed pulley is installed at the top of the portal frame. When a winch is started, the steel pipe pile is straightened by pulling the steel wire rope until the steel pipe pile completely sleeves the sleeve and then stands upright, and then is welded and fixed to complete lengthening, so that when a crane or other hoisting equipment cannot be used in a limited space, the steel pipe pile straightening and lengthening device is very convenient to straighten and lengthen.

Description

Technical Field

[0001] The utility model relates to the technical field of anchor rod static pressure piles, in particular to a steel pipe pile straightening and lengthening device. Background Art

[0002] Anchor static pile is a construction method formed by combining anchor and static pile. During construction, first drill (or reserve) a pile hole on the foundation of the building, plant the anchor (or embed) it with structural adhesive, then install the reaction frame, use the building's own weight as reaction force, and use a jack to press the steel pile or precast concrete pile into the soil section by section. For example, the invention patent with announcement number CN110172971A discloses an anchor static pile driver, including two symmetrically arranged columns, a crossbeam for installing a hydraulic jack is provided between the two columns, a plurality of support rods arranged along the length direction of the column are provided in a circular array around the outer circumference of the column on the outer circumference of the column, the top of the support rod is rotatably connected to the column, the bottom of the support rod is provided with a mounting plate for installing fasteners that abuts against the ground after the support rod rotates, and a driving device for driving the support rod to rotate and fix is ​​provided on the column. In the initial state, the support rod is parallel to the column, which can reduce the space occupied by the support rod and facilitate transportation; when you want to install the column, the driving device drives the support rod to rotate, spread the support rod, and the mounting plate at the bottom of the support rod is in contact with the ground. Since the driving device can also fix the support rod, the column can remain upright under the support of the support rod. There is no need to use additional devices to fix it during installation, and the installation is very convenient.

[0003] When the existing static pile driver is operated in an open area, a crane can be used to straighten and lengthen the steel pipe pile, but it is inconvenient to use when a crane or other lifting equipment cannot be used in a limited space. Therefore, improvement is needed. Utility Model Content

[0004] The utility model aims to provide a steel pipe pile straightening and lengthening device, which solves the above-mentioned problems existing in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel pipe pile straightening and lengthening device, comprising an anchor frame fixed to the ground by an anchor rod, a pile driver is arranged on the top of the anchor frame, a sleeve is arranged inside the pile driver, a support plate is fixedly connected to the left side of the upper end of the pile driver, the top of the support plate contacts the steel pipe pile, a gantry is fixedly connected to the right side of the upper end of the pile driver, a fixed pulley is installed on the top of the gantry, a winch is arranged on the right side of the pile driver and above the ground, a steel wire rope is wound around the drum of the winch, the steel wire rope contacts the fixed pulley, a movable pulley is fixedly connected to the end of the steel wire rope, a grab hook is arranged at the movable pulley, and the grab hook is hung with the steel pipe pile.

[0006] Preferably, two symmetrically distributed fixing plates are fixedly connected to the top of the pile driver and located outside the sleeve, and a guide sleeve is hinged on the top of each fixing plate. The guide sleeves are in contact with each other, and one of the guide sleeves is in contact with the steel pipe pile. By setting the guide sleeves, the steel pipe pile can be smoothly guided to the outside of the sleeve.

[0007] Preferably, a cushion block is fixedly connected to the top of the fixing plate, and the cushion block is in contact with the guide sleeve. The cushion block has a supporting effect on the guide sleeve.

[0008] Preferably, a locking pin is slidably connected inside the fixing plate, the locking pin is plugged into the guide sleeve, and a spring is arranged inside the fixing plate. The setting of the locking pin has a locking effect on the guide sleeve.

[0009] Preferably, one end of the spring is fixedly connected to the locking pin, and the other end of the spring is fixedly connected to the inner surface of the fixing plate. By setting the spring, elastic force can be applied to the locking pin so that the locking pin is always inserted into the guide sleeve.

[0010] Preferably, a lever is fixedly connected to the middle section of the pin body of the locking pin, and the lever penetrates the fixed plate and is slidably connected to the fixed plate. The setting of the lever facilitates pulling the locking pin.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. When the winch is started, the utility model straightens the steel pipe pile by pulling the steel wire rope until the steel pipe pile is completely covered with the sleeve and stands upright, and then welds and fixes it to complete the extension. In this way, when a crane or other lifting equipment cannot be used in a limited space, it is very practical to use this device for straightening and extending.

[0013] 2. The utility model provides a group of guide sleeves on the top of the pile driver and on both sides of the sleeve. The guide sleeves can be deflected. After the guide sleeves are combined, a circular inner conical sliding sleeve is formed between them. In this way, during the process of straightening the steel pipe pile, it can be smoothly sleeved on the outside of the sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A-section structure enlarged view.

[0016] In the figure: 1. ground; 2. anchor frame; 3. pile driver; 4. sleeve; 5. support plate; 6. gantry; 7. fixed pulley; 8. winch; 9. wire rope; 10. movable pulley; 11. grab hook; 12. steel pipe pile; 13. fixed plate; 14. guide sleeve; 15. spacer; 16. locking pin; 17. spring; 18. lever. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0018] See also Figure 1 A steel pipe pile straightening and lengthening device comprises an anchor frame 2 fixed to the ground 1 by an anchor rod, a pile driver 3 is arranged on the top of the anchor frame 2, a sleeve 4 is arranged inside the pile driver 3, a support plate 5 is fixedly connected to the left side of the upper end of the pile driver 3, the top of the support plate 5 contacts the steel pipe pile 12, a gantry 6 is fixedly connected to the right side of the upper end of the pile driver 3, a fixed pulley 7 is installed on the top of the gantry 6, a winch 8 is arranged on the right side of the pile driver 3 and above the ground 1, a steel wire rope 9 is wound around the drum of the winch 8, the steel wire rope 9 contacts the fixed pulley 7, a movable pulley 10 is fixedly connected to the end of the steel wire rope 9, a grab hook 11 is arranged at the movable pulley 10, and the grab hook 11 is hung with the steel pipe pile 12.

[0019] See also Figure 1 , Figure 2, two symmetrically distributed fixed plates 13 are fixedly connected to the top of the pile driver 3 and located on the outside of the sleeve 4, and a guide sleeve 14 is hinged on the top of each fixed plate 13. The guide sleeves 14 are in contact with each other, and one of the guide sleeves 14 is in contact with the steel pipe pile 12. Through the setting of the guide sleeve 14, the steel pipe pile 12 can be smoothly guided to the outside of the sleeve 4. A cushion block 15 is fixedly connected to the top of the fixed plate 13, and the cushion block 15 is in contact with the guide sleeve 14. The setting of the cushion block 15 has a supporting effect on the guide sleeve 14. A locking pin 16 is slidably connected inside the fixed plate 13, and the locking pin 16 is plugged into the guide sleeve 14. A spring 17 is arranged inside the fixed plate 13. The setting of the locking pin 16 has a locking effect on the guide sleeve 14. One end of the spring 17 is fixedly connected to the locking pin 16, and the other end of the spring 17 is fixedly connected to the inner surface of the fixed plate 13. By setting the spring 17, elastic force can be applied to the locking pin 16, so that the locking pin 16 is always inserted into the guide sleeve 14. A lever 18 is fixedly connected to the middle section of the pin body of the locking pin 16, and the lever 18 passes through the fixed plate 13 and is slidably connected to the fixed plate 13. The setting of the lever 18 makes it easy to pull the locking pin 16.

[0020] The specific implementation process of the utility model is as follows: when in use, the guide sleeve 14 is deflected so that it is located at the top position of the fixed plate 13 and contacts the cushion block 15, and then the locking pin 16 is controlled by the lever 18 to be inserted into the guide sleeve 14 from the bottom to fix it, and then the steel pipe pile 12 is tilted to the support plate 5, and then the grab hook 11 is hung on the end of the steel pipe pile 12. When the winch 8 is started, the steel pipe pile 12 is straightened by pulling the wire rope 9. Under the guidance of the guide sleeve 14, the steel pipe pile 12 is smoothly sleeved on the sleeve 4 and remains upright, and then welded and fixed to complete the extension. In this way, when a crane or other lifting equipment cannot be used in a limited space, it is very practical to use this device for straightening and extension.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel pipe pile straightening and lengthening device, comprising an anchor frame (2) fixed to the ground (1) by anchor rods, characterized in that: A pile driver (3) is arranged on the top of the anchor frame (2), a sleeve (4) is arranged inside the pile driver (3), a support plate (5) is fixedly connected to the left side of the upper end of the pile driver (3), the top of the support plate (5) contacts the steel pipe pile (12), a gantry (6) is fixedly connected to the right side of the upper end of the pile driver (3), a fixed pulley (7) is installed on the top of the gantry (6), a winch (8) is arranged on the right side of the pile driver (3) and above the ground (1), a steel wire rope (9) is wound around the drum of the winch (8), the steel wire rope (9) contacts the fixed pulley (7), the end of the steel wire rope (9) is fixedly connected to a movable pulley (10), a grab hook (11) is arranged at the movable pulley (10), and the grab hook (11) is hooked to the steel pipe pile (12).

2. A steel pipe pile straightening and lengthening device according to claim 1, characterized in that: Two symmetrically distributed fixing plates (13) are fixedly connected to the top of the pile driver (3) and located outside the sleeve (4). A guide sleeve (14) is hinged on the top of each fixing plate (13). The guide sleeves (14) are in contact with each other, and one of the guide sleeves (14) is in contact with the steel pipe pile (12).

3. A steel pipe pile straightening and extension device according to claim 2, characterized in that: A cushion block (15) is fixedly connected to the top of the fixed plate (13), and the cushion block (15) is in contact with the guide sleeve (14).

4. A steel pipe pile straightening and extension device according to claim 2, characterized in that: A locking pin (16) is slidably connected inside the fixing plate (13), the locking pin (16) is plugged into the guide sleeve (14), and a spring (17) is arranged inside the fixing plate (13).

5. The steel pipe pile straightening and extension device according to claim 4, characterized in that: One end of the spring (17) is fixedly connected to the locking pin (16), and the other end of the spring (17) is fixedly connected to the inner surface of the fixing plate (13).

6. A steel pipe pile straightening and lengthening device according to claim 4, characterized in that: A middle section of the pin body of the locking pin (16) is fixedly connected to a shifting rod (18), and the shifting rod (18) penetrates the fixing plate (13) and is slidably connected to the fixing plate (13).

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