Pile extractor

Abstract

The utility model relates to the technical field of oil exploitation auxiliary tools, in particular to a pile puller which comprises a driving component and a pile pulling assembly, the pile pulling assembly comprises a horizontal supporting plate, a vertical support, an upper bearing box, a lower bearing box, a transmission lead screw, a screw sleeve and a pile pulling plate, and the vertical support is fixed on the upper surface of the horizontal supporting plate. A reinforcing plate is arranged between the vertical support and the horizontal supporting plate, the vertical support is of a U-shaped structure, the upper bearing box is fixed to the upper end of the vertical support, an upper bearing is installed in the upper bearing box, the lower bearing box is fixed to the lower end of the vertical support, a lower bearing is installed in the lower bearing box, and the two ends of the transmission lead screw are connected with the upper bearing and the lower bearing in an assembled mode respectively. The screw sleeve is in threaded fit with the transmission screw rod, the pile pulling plate is fixedly connected with the screw sleeve, and the driving component is in transmission fit with the transmission screw rod. According to the pile puller, the electric hand drill provides power, the pile pulling plate pulls out a ground anchor or a ground pile from the ground, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum mining auxiliary tools, in particular to a pile puller. Background Art

[0002] There are many types of facilities in the oil field that need to be fixed on the ground, such as racks and pipelines. These facilities are fixed with ground anchors or piles. During maintenance, the ground anchors or piles need to be pulled out to lift the facilities that need maintenance. The commonly used pile puller is a crowbar, but for unhardened ground, the fulcrum of the crowbar is easy to deviate, resulting in low pile pulling efficiency.

[0003] Therefore, how to overcome the above-mentioned technical problems and defects becomes a key issue that needs to be solved. Utility Model Content

[0004] The purpose of the utility model is to provide a pile puller to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pile puller comprises a driving component and a pile pulling assembly, wherein the pile pulling assembly comprises a horizontal support plate, a vertical bracket, an upper bearing box, a lower bearing box, a transmission screw rod, a thread sleeve and a pile pulling plate, the vertical bracket is fixed to the upper surface of the horizontal support plate, a reinforcing plate is arranged between the vertical bracket and the horizontal support plate, the vertical bracket is a U-shaped structure, the upper bearing box is fixed to the upper end of the vertical bracket, an upper bearing is installed in the upper bearing box, the lower bearing box is fixed to the lower end of the vertical bracket, a lower bearing is installed in the lower bearing box, two ends of the transmission screw rod are respectively assembled and connected with the upper bearing and the lower bearing, the thread sleeve is threadedly matched with the transmission screw rod, the pile pulling plate is fixedly connected with the thread sleeve, and the driving component is transmission matched with the transmission screw rod.

[0006] Furthermore, the driving component is a hand drill, the chuck of the hand drill is installed with a hexagonal socket, the upper end of the transmission screw passes through the upper bearing and is provided with a driving rod that matches the hexagonal socket, and the radial cross-section of the driving rod is hexagonal.

[0007] Furthermore, the pile pulling plate comprises a connecting portion fixed to the thread sleeve and a pile pulling portion fixed to the connecting portion, and the pile pulling portion is provided with a receiving groove.

[0008] Furthermore, an auxiliary support assembly is arranged at the upper end of the vertical bracket, and the auxiliary support assembly includes a horizontal plate and columns vertically fixed at the four corners of the horizontal plate, the columns are fixedly connected to the upper bearing box by bolts, a through hole is arranged at the center of the horizontal plate, a connecting rod assembled with the chuck of the hand drill is arranged at the upper end of the hexagonal sleeve, the connecting rod passes through the through hole, and the hexagonal sleeve is located below the through hole.

[0009] Furthermore, a stepped plane is provided on the upper surface of the pile pulling portion, and the stepped plane is symmetrically arranged on both sides of the accommodating groove.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The pile puller disclosed in the utility model adopts a hand-held electric drill to provide power. In the process of driving the transmission screw rod to rotate circumferentially, the pile puller plate pulls the anchor or pile out of the ground, which saves time and effort and is easy to carry.

[0012] 2. The pile puller disclosed in the utility model has an auxiliary support assembly at the upper end of the vertical bracket to provide a limit for the hexagonal socket during the rotation process. The axis of the packaged hexagonal socket coincides with the axis of the driving rod. At the same time, the hexagonal socket is located below the through hole and plugged into the outer side of the upper end of the driving rod. The horizontal plate and the driving rod limit the hexagonal socket from the upper and lower directions respectively. Even in the process of transportation, the small-volume hexagonal socket will not be lost.

[0013] 3. The pile puller disclosed in the utility model has a stepped plane on the upper surface of the pile pulling part, which is suitable for pulling out piles of different heights and sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an anchor pile in the prior art;

[0015] Figure 2 It is the front view of the pile puller in the example;

[0016] Figure 3 for Figure 2 The enlarged view of the area marked with number A;

[0017] Figure 4 It is a right side view of the pile puller in the embodiment;

[0018] Figure 5 is a three-dimensional diagram of the auxiliary support assembly in the embodiment;

[0019] Figure 6 It is a three-dimensional view of the pile pulling plate in the embodiment.

[0020] Description of main component symbols:

[0021] 11-hand drill, 12-chuck, 13-hexagon socket, 14-connecting rod, 21-horizontal support plate, 22-vertical bracket, 23-upper bearing box, 24-lower bearing box, 25-transmission screw, 26-thread sleeve, 27-pile pulling plate, 28-reinforcement plate, 251-driving rod, 271-connecting part, 272-pile pulling part, 273-accommodating groove, 274-step-shaped plane, 31-horizontal plate, 32-column, 33-bolt, 34-through hole, 40-anchor pile. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figures 1 to 6 The utility model provides a pile puller, comprising a driving component, a pile pulling assembly and an auxiliary supporting assembly.

[0024] The driving component of this embodiment adopts a hand drill 11 , and the chuck 12 of the hand drill 11 is installed with a hexagon socket 13 . Specifically, a connecting rod 14 assembled and connected with the chuck 12 of the hand drill 11 is arranged at the upper end of the hexagon socket 13 .

[0025] The pile pulling assembly comprises a horizontal support plate 21, a vertical support 22, an upper bearing box 23, a lower bearing box 24, a transmission screw 25, a threaded sleeve 26 and a pile pulling plate 27. The vertical support 22 is fixed on the upper surface of the horizontal support plate 21, a reinforcing plate 28 is arranged between the vertical support 22 and the horizontal support plate 21, the vertical support 22 is a U-shaped structure, the upper bearing box 23 is fixed on the upper end of the vertical support 22, an upper bearing is installed in the upper bearing box 23, the lower bearing box 24 is fixed on the lower end of the vertical support 22, a lower bearing is installed in the lower bearing box 24, and the two ends of the transmission screw 25 are respectively assembled and connected with the upper bearing and the lower bearing. In this embodiment, the upper bearing and the lower bearing are both ball bearings, the transmission screw 25 is fixed to the inner ring of the ball bearing, and the outer ring of the roller bearing is fixedly connected with the upper bearing box 23 and the lower bearing box 24.

[0026] The upper end of the transmission screw 25 passes through the upper bearing and is provided with a driving rod 251 matched with the hexagonal socket 13 . The radial cross section of the driving rod 251 is hexagonal, and the thread sleeve 26 is threadedly matched with the transmission screw 25 .

[0027] The pile pulling plate 27 is fixedly connected to the thread sleeve 26 , specifically: the pile pulling plate 27 includes a connecting portion 271 fixed to the thread sleeve 26 and a pile pulling portion 272 fixed to the connecting portion 271 , the pile pulling portion 272 is provided with a receiving groove 273 , and a stepped plane 274 is provided on the upper surface of the pile pulling portion 272 , and the stepped plane 274 is symmetrically arranged on both sides of the receiving groove 273 .

[0028] The auxiliary support assembly is located at the upper end of the vertical bracket 22. The auxiliary support assembly includes a horizontal plate 31 and columns 32 vertically fixed at the four corners of the horizontal plate 31. The columns 32 are fixedly connected to the upper bearing box 23 by bolts 33. A through hole 34 is set in the center of the horizontal plate 31. The connecting rod 14 passes through the through hole 34. The hexagonal socket 13 is located below the through hole 34.

[0029] The pile puller disclosed in this embodiment is used as follows:

[0030] The pile pulling assembly is placed vertically on one side of the anchor pile, and the pile pulling portion 272 is clamped on the outside of the anchor pile 40. At this time, the anchor pile 40 is located in the accommodating groove 273, and the head of the anchor pile 40 is located above the pile pulling portion 272. The hand drill 11 drives the transmission screw 25 to rotate circumferentially through the hexagonal socket 13, and the thread sleeve 26 threadedly matched with the transmission screw 25 drives the pile pulling plate 27 to move upward, so that the anchor pile 40 is pulled out from the ground.

[0031] 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 pile puller, characterized in that: The invention comprises a driving component and a pile pulling assembly, wherein the pile pulling assembly comprises a horizontal support plate, a vertical support, an upper bearing box, a lower bearing box, a transmission screw, a threaded sleeve and a pile pulling plate, the vertical support is fixed to the upper surface of the horizontal support plate, a reinforcing plate is arranged between the vertical support and the horizontal support plate, the vertical support is a U-shaped structure, the upper bearing box is fixed to the upper end of the vertical support, an upper bearing is installed in the upper bearing box, the lower bearing box is fixed to the lower end of the vertical support, a lower bearing is installed in the lower bearing box, two ends of the transmission screw are respectively assembled and connected with the upper bearing and the lower bearing, the threaded sleeve is threadedly matched with the transmission screw, the pile pulling plate is fixedly connected with the threaded sleeve, and the driving component is transmission matched with the transmission screw.

2. The pile puller according to claim 1, characterized in that: The driving component is a hand drill, the chuck of the hand drill is equipped with a hexagonal sleeve, the upper end of the transmission screw passes through the upper bearing and is provided with a driving rod matched with the hexagonal sleeve, and the radial section of the driving rod is hexagonal.

3. The pile puller according to claim 1, characterized in that: The pile pulling plate comprises a connecting portion fixed to the thread sleeve and a pile pulling portion fixed to the connecting portion, and the pile pulling portion is provided with a receiving groove.

4. The pile puller according to claim 2, characterized in that: An auxiliary support assembly is arranged at the upper end of the vertical bracket, and the auxiliary support assembly includes a horizontal plate and columns vertically fixed at the four corners of the horizontal plate, the columns are fixedly connected to the upper bearing box by bolts, a through hole is arranged at the center of the horizontal plate, a connecting rod assembled with the chuck of a hand drill is arranged at the upper end of the hexagonal socket, the connecting rod passes through the through hole, and the hexagonal socket is located below the through hole.

5. The pile puller according to claim 3, characterized in that: The upper surface of the pile pulling portion is provided with a stepped plane, and the stepped plane is symmetrically arranged on both sides of the accommodating groove.

Images