CN212742526U - Hydraulic support leg structure for pile driver - Google Patents

Abstract

The utility model relates to a construction equipment field specifically is a hydraulic leg structure for pile driver, including setting firmly hydraulic cylinder on the pile driver body and being located the base of hydraulic cylinder below, hydraulic cylinder's piston rod is connected with the universal rotation of base, and the anchor bolt that can reciprocate is vertically worn to be equipped with in base edge hinged joint auxiliary claw, auxiliary claw outer end, and the fixed seat that hits that is used for fastening the anchor bolt that is equipped with on the auxiliary claw. The utility model discloses provide the auxiliary bearing for the base with the help of auxiliary claw and stock, also improve the base when improving base and construction ground area of contact and grab ground ability, the base can adapt to uneven topography well, has increased hydraulic leg installation stability.

Description

Hydraulic support leg structure for pile driver

Technical Field

The utility model relates to a construction equipment field specifically is a hydraulic leg structure for pile driver.

Background

The pile driver comprises a pile hammer, a pile frame, auxiliary equipment and the like, wherein the pile hammer is attached between two parallel vertical guide rods at the front part of the pile frame and hoisted by a hoisting hook, the pile frame is a steel structure tower frame, a winch is arranged at the rear part of the pile frame and used for hoisting a pile and the pile hammer, a guide frame consisting of two guide rods is arranged in front of the pile frame and used for controlling the pile driving direction, so that the pile accurately penetrates into the stratum according to the designed direction, and a hydraulic supporting leg is required to be installed at the bottom of the pile driver in order to ensure the stability of the pile driver.

Traditional hydraulic pressure landing leg bottom structure can't adapt to different topography well, appears easily because the uneven landing leg structural stability who leads to in ground descends, has increased the degree of difficulty of pile operation, brings the potential safety hazard for user's use, and the use that reduces work efficiency and give the user brings inconvenience.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a hydraulic support leg structure for a pile driver, which can assist in supporting the hydraulic support leg and increase the installation stability of the hydraulic support leg; the problem of traditional hydraulic leg bottom structure can't adapt to different topography well is solved.

(II) technical scheme

Can carry out the auxiliary bearing to hydraulic leg for realizing the aforesaid, increase the purpose of hydraulic leg installation stability, the utility model provides a following technical scheme:

the hydraulic support leg structure for the pile driver comprises a hydraulic oil cylinder and a base, wherein the hydraulic oil cylinder is fixedly arranged on a pile driver body, the base is located below the hydraulic oil cylinder, a piston rod of the hydraulic oil cylinder is connected with the base in a universal rotating mode, the edge of the base is connected with an auxiliary claw through a hinge, an anchor rod capable of moving up and down is vertically arranged at the outer end of the auxiliary claw in a penetrating mode, and a collision seat used for preventing the anchor rod from being separated upwards is fixedly arranged on the auxiliary claw.

Optionally, a top seat is fixedly arranged on the top end cover of the hydraulic oil cylinder, a mounting plate is fixedly arranged on the top of the top seat, the mounting plate is fixedly connected to the pile driver body through bolts, and the pile driver body is fixedly provided with a bearing rod for supporting the top seat.

Optionally, the bearing bar includes the round bar, round bar one end and pile driver body fixed connection, and the round bar other end cup joints with the footstock mutually.

Optionally, the anchor rod is integrally formed by an anchor rod cap, a rod body and a pointed cone from top to bottom in sequence, the rod body is arranged in the auxiliary claw and the collision seat in a penetrating mode, and the diameter of the anchor rod cap is larger than the outer diameter of the collision seat.

Optionally, the part of the rod body close to the pointed cone is provided with an external thread, and the inner wall of the collision seat is provided with an internal thread matched with the external thread.

Optionally, the auxiliary claws are provided with four evenly distributed annularly around a vertical central axis of the base, and the rotation angle of the auxiliary claws on the base is 0-90 °.

Optionally, a ball block integrally formed with the hydraulic oil cylinder is arranged at the bottom end of a piston rod of the hydraulic oil cylinder, a hemispherical groove matched with the ball block is formed in the upper surface of the base, a baffle plate used for limiting the ball block in the hemispherical groove is fixedly arranged on the base, and the baffle plate is of two semicircular annular structures capable of being in butt joint with each other.

(III) advantageous effects

Compared with the prior art, the utility model provides a hydraulic leg structure for pile driver possesses following beneficial effect:

1. the utility model provides the auxiliary support for the base by means of the auxiliary claw and the anchor rod, improves the contact area between the base and the construction ground, and simultaneously improves the ground gripping capability of the base, the base can be well adapted to uneven terrain, and the installation stability of the hydraulic support leg is improved;

2. the hydraulic oil cylinder is relatively fixed with the pile driver body through the mounting plate, the bearing rod increases the mounting contact surface of the hydraulic oil cylinder and the pile driver body, the load of a bolt on the mounting plate is reduced, the shearing action of the bolt on the mounting plate is small, the hydraulic oil cylinder is stable and reliable to mount, and the structural strength is high;

3. on one hand, the collision seat provides a gap for the anchor rod cap and the auxiliary claw, so that a constructor can conveniently pull up the anchor rod; on the other hand, the collision seat fixes the anchor rod through threads, so that the pointed cone is prevented from being exposed in the pointed cone locking auxiliary claw, and the transportation safety is improved.

Drawings

Fig. 1 is a schematic structural view of a hydraulic leg of the present invention;

fig. 2 is a partial sectional view of a hydraulic leg and a pile driver body according to the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is an enlarged schematic view of part B in fig. 2.

In the figure: the pile driver comprises a hydraulic oil cylinder 1, a top seat 2, a mounting plate 3, a base 4, an auxiliary claw 5, a collision seat 6, an anchor rod 7, an anchor rod cap 701, a pile body 702, a pointed cone 703, a ball block 8, a baffle 9, a pile driver body 10 and a bearing rod 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): please refer to fig. 1 and 2, the utility model provides a hydraulic leg structure for pile driver, including hydraulic cylinder 1, the welding of hydraulic cylinder 1's top lid has footstock 2, and the welding of 2 tops of footstock has mounting panel 3, and mounting panel 3 passes through bolt fixed connection on pile driver body 10, and pile driver body 10 is fixed to be equipped with the bearing bar 11 that is used for supporting footstock 2, and bearing bar 11 is the round bar, and 11 one end of bearing bar welds with pile driver body 10 mutually, and the 11 other ends of bearing bar cup joints with footstock 2 mutually. Hydraulic cylinder 1 realizes through mounting panel 3 that it is relatively fixed with pile driver body 10 position, and bearing bar 11 has increased hydraulic cylinder 1 and pile driver body 10 installation contact surface, has reduced the load of bolt on the mounting panel 3, before bearing bar 11 fracture, the shearing action that the bolt received on the mounting panel 3 is little, and what the bolt can be firm on the mounting panel 3 fixes into a whole with hydraulic cylinder 1 and pile driver body 10, and hydraulic cylinder 1 installation is reliable and stable, structural strength is high.

A piston rod of the hydraulic oil cylinder 1 is hinged with a base 4, please refer to fig. 3, a ball block 8 which is integrally formed with the piston rod is arranged at the bottom end of the piston rod of the hydraulic oil cylinder 1, a hemispherical groove which is matched with the ball block 8 is formed in the upper surface of the base 4, a baffle plate 9 is fixedly connected to the upper surface of the base 4 through a bolt, the baffle plate 9 is of two semicircular ring structures which can be mutually butted, and the two baffle plates 9 limit the ball block 8 to be in the hemispherical groove, so that a reliable ball hinge structure of the ball block 8 and the base 4.

The edge of the base 4 is hinged with the auxiliary claws 5, the auxiliary claws 5 are provided with four evenly and annularly distributed by taking the vertical central shaft of the base 4 as the center, the rotating movable angle of the auxiliary claws 5 on the base 4 is 0-90 degrees, and when the auxiliary claws 5 are positioned at 0 degree, as shown in figure 1, the auxiliary claws 5 and the base 4 are positioned at the same horizontal plane; when the auxiliary claw 5 is at 90 °, the auxiliary claw 5 is in a vertical state. The upper surface welding of auxiliary claw 5 has and hits seat 6, and auxiliary claw 5 runs through with hitting seat 6 and is equipped with stock 7, and stock 7 is from the top down by stock cap 701, the body of rod 702 and sharp awl 703 integrated into one piece in proper order, and the body of rod 702 is worn to locate auxiliary claw 5 and is hit in seat 6, is greater than through setting for the diameter of stock cap 701 and hits the 6 external diameters of seat, hits seat 6 and plays the limiting displacement to stock 7 to prevent that stock 7 upwards deviates from. The part of the rod body 702 close to the pointed cone 703 is provided with an external thread, the small diameter of the external thread is not less than the external diameter of the rod body 702, and the inner wall of the collision seat 6 is provided with an internal thread matched with the external thread.

During the use, open hydraulic cylinder 1, hydraulic cylinder 1's piston rod stretches out downwards until base 4 contacts to earth, supplementary claw 5 of upset for supplementary claw 5 contacts to earth, hammering stock cap 701, makes stock 7 stretch into the soil, supplementary claw 5 and stock 7 provide the auxiliary bearing for base 4, also improve base 4 and grab ground ability when improving base 4 and construction ground area of contact, and base 4 can adapt to uneven topography well. On one hand, the collision seat 6 provides a gap for the anchor rod cap 701 and the auxiliary claw 5, so that a constructor can conveniently pull up the anchor rod 7; on the other hand, the collision seat 6 fixes the anchor rod 7 through threads, so that the pointed cone 703 is retracted into the auxiliary claw 5, the pointed cone 703 is prevented from being exposed, and the transportation safety is improved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a hydraulic leg structure for pile driver, includes hydraulic cylinder (1) that sets firmly on pile driver body (10) and is located base (4) of hydraulic cylinder (1) below, its characterized in that: the hydraulic cylinder is characterized in that a piston rod of the hydraulic cylinder (1) is connected with the base (4) in a universal rotating mode, the edge of the base (4) is hinged with the auxiliary claw (5), an anchor rod (7) capable of moving up and down vertically penetrates through the outer end of the auxiliary claw (5), and a collision seat (6) used for preventing the anchor rod (7) from being separated upwards is fixedly arranged on the auxiliary claw (5).

2. The hydraulic leg structure for a pile driver as claimed in claim 1, wherein: the hydraulic pile driver is characterized in that a top seat (2) is fixedly arranged at the top end cover of the hydraulic oil cylinder (1), a mounting plate (3) is fixedly arranged at the top of the top seat (2), the mounting plate (3) is fixedly connected to a pile driver body (10) through bolts, and a bearing rod (11) used for supporting the top seat (2) is fixedly arranged on the pile driver body (10).

3. The hydraulic leg structure for a pile driver as claimed in claim 2, wherein: bearing bar (11) include the round bar, round bar one end and pile driver body (10) fixed connection, and the round bar other end cup joints mutually with footstock (2).

4. The hydraulic leg structure for a pile driver as claimed in claim 1, wherein: the anchor rod (7) is formed by integrally forming an anchor rod cap (701), a rod body (702) and a pointed cone (703) from top to bottom in sequence, the rod body (702) penetrates through the auxiliary claw (5) and the collision seat (6), and the diameter of the anchor rod cap (701) is larger than the outer diameter of the collision seat (6).

5. The hydraulic leg structure for a pile driver as claimed in claim 4, wherein: the part of the rod body (702) close to the pointed cone (703) is provided with an external thread, and the inner wall of the collision seat (6) is provided with an internal thread matched with the external thread.

6. The hydraulic leg structure for a pile driver as claimed in claim 1, wherein: the auxiliary claws (5) are four and evenly distributed in a ring shape by taking the vertical central shaft of the base (4) as the center, and the rotating movable angle of the auxiliary claws (5) on the base (4) is 0-90 degrees.

7. The hydraulic leg structure for a pile driver as claimed in claim 1, wherein: the hydraulic cylinder is characterized in that a ball block (8) integrally formed with the hydraulic cylinder is arranged at the bottom end of a piston rod of the hydraulic cylinder (1), a hemispherical groove matched with the ball block (8) is formed in the upper surface of the base (4), a baffle (9) used for limiting the ball block (8) in the hemispherical groove is fixedly arranged on the base (4), and the baffle (9) is of two semicircular annular structures capable of being butted with each other.

Images