CN215888240U

CN215888240U - A pile extractor for hydraulic engineering

Info

Publication number: CN215888240U
Application number: CN202122359703.1U
Authority: CN
Inventors: 崔春梅; 管清花
Original assignee: Water Resources Research Institute of Shandong Province
Current assignee: Water Resources Research Institute of Shandong Province
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-02-22
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a pile extractor for hydraulic engineering, which belongs to the technical field of hydraulic engineering and comprises a base, wherein four first cylinders are fixedly connected to the upper end of the base, a top plate is fixedly connected to the output ends of the four first cylinders, a first slide hole is formed in the upper end of the top plate, two arc-shaped clamping plates are arranged on the upper side of the base, a clamping mechanism is arranged on the top plate and connected with the two arc-shaped clamping plates to clamp a pile, the clamping mechanism comprises a first fixing plate, a bidirectional screw rod, a servo motor, a nut and a slide rod, the first fixing plate, the nut and the slide rod are respectively arranged in two numbers, the pile can be finally clamped and fixed through the movement of the two arc-shaped clamping plates, and the stability and the practicability of the fixed pile are optimized through the threaded matching of the bidirectional screw rod and the nut.

Description

Pile extractor for hydraulic engineering

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a pile extractor for hydraulic engineering.

Background

Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harmful substances and benefiting. Also known as water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings.

The pile pulling method for the hydraulic engineering is characterized in that filler around a pile is flushed away by water or a part of the filler is dug away by an excavating machine in a common pile pulling mode, then the pile is pulled out of a foundation by a hoisting machine, the fixing effect of the existing common pile pulling equipment on the pile is general, and therefore the pile pulling efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a pile extractor for hydraulic engineering, which can clamp and fix a pile through the movement of two arc-shaped clamping plates and optimize the stability and the practicability of the fixed pile through the threaded matching of a bidirectional screw rod and a nut.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a pile extractor for hydraulic engineering, includes the base, four first cylinders of upper end fixedly connected with of base, four the output fixedly connected with roof of first cylinder, first slide opening has been seted up to the upper end of roof, the upside of base sets up two arc splint, be provided with fixture on the roof, fixture links to each other in order to realize the centre gripping stake with two arc splint, and the removal that finally can realize through two arc splint is fixed with the stake centre gripping, and screw-thread fit through two-way lead screw and nut has optimized the stability and the practicality of fixed stake.

As a preferred scheme of the utility model, the clamping mechanism comprises two first fixing plates, two-way screw rods, a servo motor, nuts and two slide rods, the two first fixing plates are fixedly connected to the upper end of the top plate, the two-way screw rods are rotatably connected between the two first fixing plates, the servo motor is fixedly connected to the right end of the first fixing plate on the right side, the output end of the servo motor movably penetrates through the first fixing plate on the right side, the output end of the servo motor is fixedly connected with the two-way screw rods, the two nuts are both in threaded connection with the surface of the two-way screw rods, the two slide rods are respectively and fixedly connected to the lower ends of the two nuts, the two slide rods are respectively and fixedly connected with the two arc-shaped clamping plates in a sliding manner.

As a preferable scheme of the utility model, the lower end of the top plate is fixedly connected with two second fixing plates, a limiting rod is fixedly connected between the two second fixing plates, the left ends of the two sliding rods are both provided with second sliding holes, and the limiting rod is slidably connected in the two second sliding holes.

As a preferable scheme of the utility model, the limiting block is fixedly connected to the surface of the bidirectional screw rod, and the two nuts are respectively positioned at the left side and the right side of the limiting block.

As a preferable scheme of the present invention, both left and right ends of the top plate are fixedly connected with handles.

As a preferable scheme of the utility model, the lower end of the base is fixedly connected with two second cylinders, and the output ends of the two second cylinders are fixedly connected with backing plates.

As a preferable scheme of the utility model, universal wheels are respectively arranged at four corners of the lower end of the base, and brake pads are respectively arranged on the four universal wheels.

Compared with the prior art, the utility model has the advantages that:

(1) when the pile needs to be pulled out, the base is firstly pushed to the pile position, so that the pile is positioned at the bottom of the top plate, then the second air cylinder is started to extend, the extension of the second air cylinder pushes the backing plate to move downwards, the base is supported by the backing plate, when the second air cylinder extends to the position that the universal wheel is suspended, the second air cylinder is closed, the servo motor is started to rotate forwards, the bidirectional screw rod is driven to rotate forwards by the forward rotation of the servo motor, the two nuts move towards one end close to each other simultaneously by the forward rotation of the bidirectional screw rod, the arc-shaped clamping plates are driven to move by the movement of the two nuts, the pile is clamped and fixed by the movement of the two arc-shaped clamping plates, after the pile is fixed by the two arc-shaped clamping plates, the servo motor is closed, at the moment, the first air cylinder is started to extend, the pile is pulled out by the extension of the first air cylinder, the pile is clamped and fixed by the movement of the two arc-shaped clamping plates, the stability and the practicality of the fixed pile are optimized through the threaded matching of the bidirectional screw rod and the nut.

(2) In the utility model, the two second fixing plates are used for fixing the limiting rod conveniently, the second sliding hole is formed for facilitating the sliding of the limiting rod, the stability of the sliding rod during the movement is optimized by the sliding fit of the second sliding hole and the limiting rod, and the limiting block is used for facilitating the limiting of the two nuts and preventing the two nuts from being damaged due to the contact.

Drawings

FIG. 1 is an exploded view of a pile extractor for hydraulic engineering according to the present invention;

FIG. 2 is a front perspective view of a pile extractor for hydraulic engineering in accordance with the present invention;

FIG. 3 is a bottom perspective view of a pile extractor for hydraulic engineering in accordance with the present invention;

fig. 4 is a schematic view of a clamping mechanism of the pile extractor for hydraulic engineering.

The reference numbers in the figures illustrate:

1. a base; 2. a first cylinder; 3. a top plate; 4. a first slide hole; 5. a handle; 6. a first fixing plate; 7. a bidirectional screw rod; 8. a servo motor; 9. a limiting block; 10. a nut; 11. a slide bar; 12. an arc-shaped splint; 13. a second slide hole; 14. a second fixing plate; 15. a limiting rod; 16. a universal wheel; 17. a second cylinder; 18. a backing plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, a pile extractor for hydraulic engineering includes a base 1, four first cylinders 2 fixedly connected to an upper end of the base 1, a top plate 3 fixedly connected to output ends of the four first cylinders 2, a first sliding hole 4 formed in an upper end of the top plate 3, two arc-shaped clamping plates 12 arranged on an upper side of the base 1, and a clamping mechanism arranged on the top plate 3 and connected to the two arc-shaped clamping plates 12 to clamp a pile.

In the embodiment, firstly, the base 1 is pushed to the position of the pile to enable the pile to be positioned at the bottom of the top plate 3, then the second air cylinder 17 is started to extend, the extending of the second air cylinder 17 pushes the backing plate 18 to move downwards, the base 1 is supported by the backing plate 18, when the second air cylinder 17 extends to the position that the universal wheel 16 is suspended, the second air cylinder 17 is closed, the servo motor 8 is started to rotate forwards, the servo motor 8 drives the two-way screw rod 7 to rotate forwards, the two nuts 10 simultaneously move towards one end close to each other by the forward rotation of the two-way screw rod 7, the two nuts 10 move to drive the arc-shaped clamping plates 12 to move through the sliding rods 11, the pile is clamped and fixed by the movement of the two arc-shaped clamping plates 12, when the pile is fixed by the two arc-shaped clamping plates 12, the servo motor 8 is closed, the first air cylinder 2 is started to extend, the pile is pulled out by the extending of the first air cylinder 2, the pile clamping plates 12 move to clamp and fix the pile, the stability and the practicability of the fixing pile are optimized through the threaded matching of the bidirectional screw rod 7 and the nut 10.

Concretely, fixture includes first fixed plate 6, two-way lead screw 7, servo motor 8, nut 10 and slide bar 11, first fixed plate 6, nut 10, slide bar 11 all sets up to two, two equal fixed connection of first fixed plate 6 in the upper end of roof 3, two-way lead screw 7 rotates to be connected between two first fixed plate 6, servo motor 8 fixed connection is in 6 right-hand members of first fixed plate that are located the right side, servo motor 8's output activity runs through the first fixed plate 6 that is located the right side, and servo motor 8's output and two-way lead screw 7 fixed connection, two equal threaded connection of nut 10 are in two-way lead screw 7's surface, two slide bar 11 are fixed connection in the lower extreme of two nuts 10 respectively, and two equal sliding connection of slide bar 11 are in first slide opening 4, two slide bar 11 respectively with two arc splint 12 fixed connection.

In this embodiment, the first fixing plate 6 is for rotating the two-way screw 7, the two-way screw 7 is for screwing the nut 10, the servo motor 8 is for driving the two-way screw 7 to rotate, the nut 10 moves to drive the sliding rod 11 to move, the arc-shaped clamping plates 12 are driven to move by the movement of the sliding rod 11, and the two arc-shaped clamping plates 12 move to clamp and fix the pile.

Specifically, the lower end of the top plate 3 is fixedly connected with two second fixing plates 14, a limiting rod 15 is fixedly connected between the two second fixing plates 14, the left ends of the two sliding rods 11 are provided with second sliding holes 13, and the limiting rod 15 is slidably connected in the two second sliding holes 13.

In this embodiment, the two second fixing plates 14 are for fixing the limiting rod 15, the second sliding hole 13 is for sliding the limiting rod 15, and the sliding fit between the second sliding hole 13 and the limiting rod 15 optimizes the stability of the sliding rod 11 during movement.

Specifically, the surface of the bidirectional screw rod 7 is fixedly connected with a limiting block 9, and the two nuts 10 are respectively located on the left side and the right side of the limiting block 9.

In this embodiment, the limiting block 9 is for limiting the two nuts 10, and prevents the two nuts 10 from being damaged due to contact.

Specifically, handles 5 are fixedly connected to the left end and the right end of the top plate 3.

In this embodiment, the handles 5 are fixedly connected to the left and right ends of the top plate 3, and the handles 5 are used for pulling the base 1.

Specifically, the lower end of the base 1 is fixedly connected with two second cylinders 17, and the output ends of the two second cylinders 17 are fixedly connected with a base plate 18.

In this embodiment, the two second cylinders 17 are for facilitating the lifting of the base 1, and the base 1 is prevented from moving after the lifting, and the pad 18 is for facilitating the increase of the area contacting the ground, thereby optimizing the stability of the supporting base 1.

Specifically, universal wheels 16 are installed at four corners of the lower end of the base 1, and brake pads are installed on the four universal wheels 16.

In this embodiment, the four universal wheels 16 are used for facilitating the movement of the base 1, and the brake pads are installed for facilitating the parking of the base 1.

The working principle is as follows: when the pile needs to be pulled out, firstly, the base 1 is pushed to the pile position to enable the pile to be positioned at the bottom of the top plate 3, then the second air cylinder 17 is started to extend, the extending of the second air cylinder 17 pushes the backing plate 18 to move downwards, the base 1 is supported by the backing plate 18, when the second air cylinder 17 extends to the universal wheel 16 to be suspended, the second air cylinder 17 is closed, then the servo motor 8 is started to rotate forwardly, the servo motor 8 rotates forwardly to drive the two nuts 10 to move towards one end close to each other simultaneously, the two nuts 10 move to drive the arc-shaped clamping plates 12 to move through the sliding rods 11, the pile is clamped and fixed through the movement of the two arc-shaped clamping plates 12, when the pile is fixed by the two arc-shaped clamping plates 12, the servo motor 8 is closed, the first air cylinder 2 is started to extend, the pile is pulled out through the extending of the first air cylinder 2, the pile is clamped and fixed through the movement of the two arc-shaped clamping plates 12, the stability and the practicability of the fixing pile are optimized through the threaded matching of the bidirectional screw rod 7 and the nut 10.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.

Claims

1. A pile extractor for hydraulic engineering, comprising a base (1), characterized in that: the upper end of the base (1) is fixedly connected with four first cylinders (2), and the four first cylinders (2) ) is fixedly connected with a top plate (3), the upper end of the top plate (3) is provided with a first sliding hole (4), and the upper side of the base (1) is provided with two arc-shaped splints (12), so The top plate (3) is provided with a clamping mechanism, and the clamping mechanism is connected with two arc-shaped clamping plates (12) to realize the clamping of the piles.

2. A pile extractor for hydraulic engineering according to claim 1, characterized in that: the clamping mechanism comprises a first fixing plate (6), a bidirectional screw (7), a servo motor (8), a nut (10) and a sliding rod (11), the first fixing plate (6), the nut (10) and the sliding rod (11) are all provided in two, and the two first fixing plates (6) are fixedly connected At the upper end of the top plate (3), the two-way screw (7) is rotatably connected between the two first fixing plates (6), and the servo motor (8) is fixedly connected to the first fixing plate ( 6) At the right end, the output end of the servo motor (8) moves through the first fixing plate (6) on the right side, and the output end of the servo motor (8) is fixedly connected with the bidirectional screw (7), and the two The nuts (10) are all threadedly connected to the surface of the two-way screw (7), the two sliding rods (11) are respectively fixedly connected to the lower ends of the two nuts (10), and the two sliding rods (11) are both slidable Connected in the first sliding hole (4), the two sliding rods (11) are respectively fixedly connected with the two arc-shaped clamping plates (12).

3. A pile extractor for hydraulic engineering according to claim 2, characterized in that: the lower end of the top plate (3) is fixedly connected with two second fixing plates (14), and two of the second fixing plates A limit rod (15) is fixedly connected between the plates (14), the left ends of the two sliding rods (11) are both provided with a second sliding hole (13), and the limit rod (15) is slidably connected to the two sliding rods (11). inside the second sliding hole (13).

4. A pile extractor for hydraulic engineering according to claim 3, characterized in that: the surface of the two-way screw (7) is fixedly connected to the limit block (9), and the two nuts (10) are respectively Located on the left and right sides of the limit block (9).

5 . The pile extractor for hydraulic engineering according to claim 4 , wherein the left and right ends of the top plate ( 3 ) are fixedly connected with handles ( 5 ). 6 .

6 . The pile extractor for hydraulic engineering according to claim 5 , wherein the lower end of the base ( 1 ) is fixedly connected with two second cylinders ( 17 ), and the two second cylinders ( The output ends of 17) are all fixedly connected with a backing plate (18).

7. A kind of pile extractor for hydraulic engineering according to claim 6, characterized in that: universal wheels (16) are installed at the four corners of the lower end of the base (1), and four universal wheels ( 16) Brake pads are installed on them.