JP7752255B2 - Pile Frame - Google Patents

Description

The present invention relates to the technical field of construction equipment, and more specifically to pile frames.

Pile frames are large machine tools that are essential in construction work, and all types of pile foundation construction equipment, such as pile driving and drilling, must be mounted on pile frames to carry out construction work. Crawler pile frames are one type of pile frame, and are moved to their current location using a crawler travel method, making them flexible and convenient. Crawler pile frames typically consist mainly of a chassis, body, column, tilt support, and power hydraulic system. Because the column is long (usually 20-40 meters), when transporting over long distances, the mast must be tilted sideways and removed from the column, and then re-erected and re-attached at the new construction site.

Currently, there are several types of crawler pile frames and their installation methods:

As shown in Figure 1, Type 1 requires assistance from a crane. When raising the mast, a hoist operates the pulley block to raise Column 01 to 75 degrees, and the crane assists in hoisting the tilt support cylinder to the installation position, after which the tilt support cylinder pulls the column vertically.

As shown in Figure 2, the second type uses a set of cylinders to raise the mast when the mast height is small. The column 01, cylinder 02, and frame are hinged to form a large triangle, and the verticality of the column is adjusted by contracting the cylinder. A pile frame using this method to raise the mast must not have too high a column height, as the support point is low and the stability is not high.

As shown in Figure 3, Type 3 does not require the assistance of a crane truck and uses the combined action of two sets of cylinders 02 to raise the mast. During the operation process, the requirements for synchronization of the mast-raising cylinders are particularly high, making the operation more difficult.

As mentioned above, how to provide a pile frame that does not require the assistance of a crane truck and allows for easy mast erection operations is a problem that those skilled in the art must urgently solve.

In light of this, the object of the present invention is to provide a pile frame that can lift the column assembly to a vertical position without the assistance of a crane during use, that is convenient and easy to operate during the mast raising process, and that does not require multiple cylinders to operate in unison, thereby reducing the difficulty of operation.

To achieve the above objectives, the present invention provides the following technical solutions.

a pile frame including a rotating platform, a front bracket hinged to the rotating platform, a column assembly hinged to the front bracket, a tilting support, and a mast raising assembly;
The mast raising assembly includes a main body, a mast raising hoist, and a telescopically installed power unit, one end of the main body is hingedly connected to the rotating platform and the other end is hingedly connected to the tilting support, the other end of the tilting support is hingedly connected to the column assembly, the power unit is telescopically installed, and one end of the power unit is hingedly connected to the rotating platform and the other end is hingedly connected to the main body, thereby adjusting the rotation angle of the main body relative to the rotating platform.

Preferably, the main body includes a one-way frame and a cross rail installed perpendicular to the one-way frame, one end of the one-way frame being hingedly connected to the rotating platform and the other end being hingedly connected to the cross rail, and the tilting support being hingedly connected to the cross rail.

Preferably, the number of linear frames is two, and the two linear frames are installed in parallel.

Preferably, the cross rail includes a fixed end, an extendable end connected to the fixed end along the longitudinal direction of the cross rail so as to be extendable and tensile, and an extendable power member for extending and contracting the extendable end relative to the fixed end,
The fixed end is connected to the straight frame by a hinge connection, and an end of the telescopic end is provided with a support lug for connecting to the inclined support by a hinge connection;
The number of the telescopic ends is two, and the two telescopic ends are respectively installed at both ends of the fixed end so as to be telescopic, and the inclined supports are respectively connected to the telescopic ends.

Preferably, the main body includes an upper pulley block mounted on the cross rail and a lower pulley block mounted on the rotating platform, and the wire rope is wound sequentially around the mast raising hoist, the upper pulley block, and the lower pulley block.

Preferably, the rotating platform is provided with support rods for supporting the cross rail, the support rods being removably connected to the cross rail.

Preferably, the power unit is a lift cylinder;
The tilting support is a telescopic cylinder.

Preferably, the column assembly includes a number of removably connected column segments.

Preferably, a lifting hoist is installed on the rotating platform, a pulley assembly is installed on at least one of the column segments, and one end of a wire rope having a hook portion attached thereto is connected to the lifting hoist and the other end is installed through the pulley assembly.

When using the pile frame provided by the present invention, if the column assembly needs to be erected, the power unit must first drive the main body to rotate relative to the rotating platform, lift one end of the main body that is hinged to the tilting support, and then control the power unit to retract it after lifting it to the appropriate height. The wire rope in the mast erecting hoist forms a magnification group via the upper pulley block and lower pulley block, pulling the column assembly to reach 75 degrees left and right, and then control the tilting support to retract it, rotating the column assembly relative to the front bracket until it is in a vertical position.

Compared to the prior art, the pile frame provided by the present invention allows the column assembly to be raised to a vertical position without the assistance of a crane during use, making the mast raising process convenient and easy to operate, eliminating the need for multiple cylinders to operate in unison and reducing operational difficulty.

In order to more clearly explain the technical solutions in the embodiments of the present invention or the prior art, the following briefly introduces the drawings necessary for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention, and those skilled in the art may obtain other drawings according to the provided drawings on the premise that they do not perform any work that amounts to an inventive step.
FIG. 1 is a schematic diagram of a specific example of a mast raising method for a pile frame in the prior art. FIG. 1 is a schematic diagram of a second specific example of a mast raising method for a pile frame in the prior art. FIG. 10 is a schematic diagram of a third specific example of a prior art pile frame mast erection method. 1 is a structural schematic diagram of a specific embodiment of the pile frame conveying process provided by the present invention; FIG. FIG. 5 is a side view of the pile frame in FIG. 4 . FIG. 1 is a structural schematic diagram of the pile frame provided by the present invention in the preparation stage for erecting the mast. FIG. 1 is a structural schematic diagram of the pile frame provided by the present invention when used as a crane truck. FIG. 2 is a structural schematic diagram of a specific embodiment of the pile frame provided by the present invention, in which the column assembly is in a vertical state. FIG. 9 is a side view of the pile frame in FIG. 8 . FIG. 2 is a structural schematic diagram of a mast raising assembly.

The following clearly and completely describes the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments do not represent the entire invention, but only a part of the embodiments of the present invention. All other embodiments that can be obtained by those skilled in the art based on the embodiments of the present invention without expending creative labor shall fall within the scope of protection of the present invention.

The core of this invention is to provide a pile frame that, during use, allows the column assembly to be raised to a vertical position without the assistance of a crane, making the mast raising process convenient and easy to operate, eliminating the need for multiple cylinders to operate in unison and reducing operational difficulty.

See Figures 4 to 10.

This particular embodiment discloses a pile frame, comprising a rotating platform 4, a front bracket 3 hinged to the rotating platform 4, a column assembly 2 hinged to the front bracket 3, a tilting support 9, and a mast raising assembly 7;
The mast raising assembly 7 includes a main body, a mast raising winch 72, and a telescopically installed power unit, one end of the main body is hingedly connected to the rotating platform 4 and the other end is hingedly connected to the tilting support 9, the other end of which is hingedly connected to the column assembly 2, the power unit is telescopically installed, and one end of the power unit is hingedly connected to the rotating platform 4 and the other end is hingedly connected to the main body, thereby adjusting the rotation angle of the main body relative to the rotating platform 4.

When using the pile frame provided by this specific embodiment, if it is necessary to erect the column assembly 2, the power unit must first drive the main body to rotate relative to the rotating platform 4, and then lift one end of the main body that is hinged to the inclined support 9. After lifting it to the appropriate height, the power unit controls it to retract. The wire rope of the mast erection hoist 72 forms a magnification group via the upper pulley block 74 and the lower pulley block 75, lifting the column assembly 2 to reach 75 degrees left and right, and then controls the inclined support 9 to retract, rotating the column assembly 2 relative to the front bracket 3 until it is in a vertical position.

Compared to the prior art, the pile frame provided by this specific embodiment can raise the column assembly 2 to a vertical position without the assistance of a crane during use, making the mast raising process convenient and easy to operate, eliminating the need for multiple cylinders to operate in unison and reducing operational difficulty.

10, the main body includes a slanted frame 73 and a cross rail 77 perpendicular to the slanted frame 73. One end of the slanted frame 73 is hinged to the rotating platform 4 and the other end is hinged to the cross rail 77, and the tilting support 9 is hinged to the cross rail 77. There are two slanted frames 73, and the two slanted frames 73 are installed in parallel. The power unit is a lift cylinder 71, and the tilting support 9 is a telescopic cylinder. Of course, the power unit and the tilting support 9 can also be electric screws, electric cylinders, etc. However, compared to an electric structure, installing the power unit as a lift cylinder 71 and the tilting support 9 as a telescopic cylinder saves costs and makes it easier to obtain the complete lift cylinder 71 and telescopic cylinder structure.

During use, after the lift cylinder 71 is extended, the bar-shaped frame 73 can be rotated relative to the rotating platform 4, and the end of the bar-shaped frame 73 connected to the inclined support 9 is raised.

Preferably, the lift cylinder 71 is hinged to a non-end position of the one-piece frame 73.

The two straight frames 73 may correspond to different lift cylinders 71 or the same lift cylinder 71; the specifics are determined based on the actual situation and will not be discussed further here.

In one specific embodiment, as shown in FIG. 10, the cross rail 77 includes a fixed end 771, an extendable end 772 extendably connected to the fixed end 771 along the longitudinal direction of the cross rail 77, and an extendable power member 76 that extends and retracts the extendable end 772 relative to the fixed end 771. The fixed end 771 is hingedly connected to the straight frame 73, and the end of the extendable end 772 is provided with a support lug for hinged connection to the inclined support 9, and the inclined support 9 is hingedly connected to the support lug.

As shown in FIG. 9, there are two inclined supports 9 and two retractable ends 772. The two retractable ends 772 are retractably installed on both ends of the fixed end 771, and the inclined supports 9 are connected to the retractable ends 772 one by one.

During use, after the telescopic end 772 is extended, the length of the base of the triangle formed by the tilt support 9, cross rail 77, and column assembly 2 is increased, improving the stability of the structure.

In one specific embodiment, as shown in FIG. 10, the main body includes an upper pulley block 74 mounted on the cross rail 77 and a lower pulley block 75 mounted on the rotating platform 4. The wire rope is wound sequentially around the mast raising hoist 72, the upper pulley block 74, and the lower pulley block 75. During use, when the pile frame is in the position shown in FIG. 6, the column assembly 2 can be pulled up by the mast raising hoist 72 so that the column assembly 2 forms an included angle of 75° to the left and right with respect to the vertical.

In one specific embodiment, the rotating platform 4 is equipped with support rods for supporting the cross rail 77, which are detachably connected to the cross rail 77. During use, if the cross rail 77 needs to be moved when erecting the column assembly 2, the connection between the cross rail 77 and the support rods can be released. After the column assembly 2 is erected in an upright position, the support rods can be reconnected to the cross rail 77, providing support and limiting the position of the cross rail 77 and improving the stability of the structure.

As shown in FIG. 6, the column assembly 2 includes a number of removably connected column segments 21.

As shown in Figures 4 and 5, some column segments 21 can be removed during transportation to reduce the space occupied by the column assembly 2. As shown in Figure 7, a lifting hoist is installed on the rotating platform 4, and a pulley assembly 10 is installed at the end of the column segment 21 away from the rotating platform 4. One end of a wire rope with an attached hook is connected to the lifting hoist and the other end is installed through the pulley assembly 10. After some column segments 21 are removed, the column assembly 2 is rotated relative to the front bracket 3 via the inclined support 9, and a pulley structure is installed on the remaining column segments 21 that will not be removed. In this case, the pile frame can be used as a terhar.

As shown in Figures 4 to 10, the pile frame includes a column assembly 2, a front bracket 3, a rotating platform 4, a separation device 5, a crawler chassis 6, a mast raising assembly 7, a counterweight 8, an inclined support 9, a pulley assembly 10, etc. The luffing mechanism 1 is fixed to the top of the column assembly 2 via bolts, the column assembly 2 is hingedly connected to the front bracket 3, which is hingedly connected to the rotating platform 4, the separation device 5 connects the crawler chassis 6 and the rotating platform 4, the mast raising assembly 7 has one end hingedly connected to the rotating platform 4 and one end as the lower hinge connection point of the inclined support 9, and the upper end of the inclined support 9 is hingedly connected to the column assembly 2, forming a stable support. The counterweight 8 is fixed to the rear of the rotating platform 4 via bolts. When using the pile frame provided by this application, the entire mast raising operation of the machine does not require the assistance of a crane truck. Before raising the mast, the end of the inclined support 9 of the inclined frame 73 is first raised via the lift cylinder 71, i.e., the cross rail 77 is raised to the position shown in Figure 6. This allows the wire rope and inclined support 9 to conveniently urge the column assembly 2. The mast raising hoist 72 is then controlled and operated. The wire rope forms a magnification group via the upper pulley block 74 and the lower pulley block 75, raising the column assembly 2 to the position shown in Figure 7. The inclined support cylinder of the inclined support 9 is then extended to raise the column assembly 2 to a vertical position as shown in Figure 8. For further stability, the telescopic end 772 is extended via the telescopic power member 76, completing the mast raising operation to the position shown in Figure 9.

Each embodiment in this specification is described in a progressive manner, with the emphasis on the differences between each embodiment and other embodiments. Similarities and similarities between embodiments may be referenced. Any combination of all embodiments provided by the present invention is within the scope of protection of this invention and will not be discussed further herein.

The above provides a detailed introduction to the pile frame provided by the present invention. In this specification, the principles and embodiments of the present invention are explained using specific examples. The explanation of the above examples is intended to contribute to understanding the method and core idea of the present invention. It should be noted that those skilled in the art may make minor improvements and modifications to the present invention without departing from the principles of the present invention, and all such improvements and modifications fall within the scope of protection of the claims of the present invention.

01...Column 02...Cylinder 1...Luffing mechanism,
2 ... Column assembly 21 ... Column segment 3 ... Front bracket 4 ... Rotating platform 5 ... Separation device 6 ... Crawler chassis 7 ... Mast raising assembly 71 ... Lift cylinder,
72 ... Mast raising hoist 73 ... Line-shaped frame 74 ... Upper pulley block 75 ... Lower pulley block 76 ... Telescopic power member 77 ... Cross rail 771 ... Fixed end 772 ... Telescopic end 8 ... Counterweight 9 ... Inclined support 10 ... Pulley assembly.

Claims (9)

The invention comprises a rotating platform (4), a front bracket (3) hinged to the rotating platform (4), a column assembly (2) hinged to the front bracket (3), a tilting support (9), and a mast raising assembly (7),
The mast raising assembly (7) includes a main body, a mast raising winch (72), and a telescopically installed power unit, one end of the main body being hingedly connected to the rotating platform (4) and the other end being hingedly connected to the tilting support (9), the other end of the tilting support (9) being hingedly connected to the column assembly (2), the power unit being telescopically installed, and one end of the power unit being hingedly connected to the rotating platform (4) and the other end being hingedly connected to the main body, thereby adjusting the rotation angle of the main body relative to the rotating platform (4).
A pile frame characterized by: The main body includes a one-sided frame (73) and a cross rail (77) installed perpendicular to the one-sided frame (73), one end of the one-sided frame (73) is hingedly connected to the rotating platform (4) and the other end is hingedly connected to the cross rail (77), and the tilting support (9) is hingedly connected to the cross rail (77).
2. A pile frame according to claim 1. The number of the linear frames (73) is two, and the two linear frames (73) are installed in parallel.
3. A pile frame according to claim 2. The cross rail (77) includes a fixed end (771), a telescopic end (772) telescopically connected to the fixed end (771) along the longitudinal direction of the cross rail (77), and a telescopic power member (76) that telescopically extends and retracts the telescopic end (772) relative to the fixed end (771),
The fixed end (771) is hingedly connected to the one-piece frame (73), and a support lug is provided at the end of the telescopic end (772) for hingedly connecting to the inclined support (9);
The number of the telescopic ends (772) is two, and the two telescopic ends (772) are respectively installed at both ends of the fixed end (771) so as to be telescopic, and the inclined supports (9) are respectively connected to the telescopic ends (772).
3. A pile frame according to claim 2. The main body includes an upper pulley block (74) installed on the cross rail (77) and a lower pulley block (75) installed on the rotating platform (4), and a wire rope is wound around the mast raising hoist (72), the upper pulley block (74), and the lower pulley block (75) in this order.
3. A pile frame according to claim 2. The rotating platform (4) is provided with a support rod for supporting the cross rail (77), and the support rod is removably connected to the cross rail (77).
3. A pile frame according to claim 2. The power unit is a lift cylinder (71),
The inclined support (9) is a telescopic cylinder;
7. The pile frame according to claim 1, wherein the pile frame is made of a fibrous material. The column assembly (2) includes a number of removably connected column segments (21).
7. The pile frame according to claim 1, wherein the pile frame is made of a fibrous material. A lifting hoist is installed on the rotating platform (4), and a pulley assembly (10) is installed on at least one of the column segments (21), and one end of a wire rope having a hook portion attached thereto is connected to the lifting hoist and the other end is installed through the pulley assembly (10).
9. A pile frame according to claim 8.