JPH11107277A - Self-running tubing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a self-running tubing device to effect loading or unloading to or from a trailer without needing a crane. SOLUTION: A pair of arm members 60 arranged with a nipping distance for a tubing mechanism 2 therebetween are supported at a running mechanism 50. Further, a hook members 36 is formed on an elevation frame 12 side in a state to extend to a pair of the arm members 60 side, the when the elevation frame 12 is lowered, a support member 66 at which the hook member 36 is hooked when the elevation frame 12 is lowered through drive of an elevation cylinder mechanisms are arranged at a pair of the arm members 60. Further, the support member 66 is vertically regulatably supported at a pair of arm members 60, a support member 40 with which the lower end of the support member 66 is brought into contact with a base frame 20 of the tubing mechanism 2 is formed, and an outrigger 90 mounted on a spike 96 is arranged at the running mechanism 50.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-propelled tubing apparatus in which a tubing mechanism for pushing a casing tube into the ground while rotating a casing tube is moved to a pile construction site or the like by a traveling mechanism.

[0002]

2. Description of the Related Art Conventionally, a self-propelled tubing device has been used in a work site, in which a tubing mechanism for pushing a casing tube into the ground while rotating the casing tube is moved by a traveling mechanism to move to a next pile construction site. I have. When moving to another work site, the general road is mounted on a trailer and transported, but it is disassembled into a tubing mechanism and a traveling mechanism by a crane, the tubing mechanism is lifted by a crane, and the tubing mechanism is transported to the trailer. Loading. Also, when unloading from the trailer at the work site,
The tubing mechanism is lifted again by the crane and unloaded, and assembly work with the traveling mechanism is performed.

[0003]

However, such a conventional apparatus has a problem in that a crane is required when loading or unloading the trailer. An object of the present invention is to provide a self-propelled tubing device that can be loaded on or unloaded from a trailer without requiring a crane.

[0004]

In order to achieve the above object, the present invention takes the following means to solve the problem. That is, in a self-propelled tubing device including a tubing mechanism that raises and lowers an elevating frame by a lifting cylinder mechanism while rotating a casing tube and pushes the tubing mechanism into the ground, an interval between the tubing mechanisms. A self-propelled tubing device characterized in that the traveling mechanism supports a pair of arm members on which the lifting frame side is hung when the lifting cylinder mechanism is driven to lower the lifting frame. That is it.

[0005] A hanging member is formed on the lifting frame so as to protrude toward the pair of arm members, and the hanging member is hung when the lifting cylinder mechanism is driven to lower the lifting frame. A member may be provided on the pair of arm members.

Alternatively, the support member is supported by the pair of arm members so as to be vertically adjustable, and a receiving member is formed on a base frame of the tubing mechanism with a lower end of the support member abutting thereon; The traveling mechanism may be provided with an outrigger on a side opposite to the pair of arm members.

A spike may be attached to the outrigger, or the outrigger may be overhangable. Further, the pair of arm members may be swingably supported around a vertical axis.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in FIGS. 1 and 2, a tubing mechanism 2 that pushes a casing tube 1 while rotating the casing tube 1 includes a plurality of wedge-shaped chuck members 4 arranged at equal intervals on the outer periphery of the casing tube 1. It is hung on a rotating ring 6. The rotating ring 6 is rotatably supported on the upper frame 8 via a bearing 10, and the upper frame 8 and the elevating frame 12 are connected by a plurality of chuck cylinders 14.

A rotating body 16 into which the casing tube 1 can be inserted together with the outer peripheral chuck member 4 is mounted on the lifting frame 12.
Are rotatably supported. The rotating body 16 is configured to be rotationally driven by a hydraulic drive motor 18 fixed to the lifting frame 12.

[0010] As shown in FIG.
A plurality of (four in the present embodiment) first guide cylinders 2
4 is attached to the elevating frame 12 through the elevating frame 12. A cylindrical guide member 26 attached to the lower surface of the upper frame 8 is slidably fitted around the outer periphery of the first guide tube 24 projecting above the elevating frame 12, and the upper frame 8 and the elevating frame 12 is supported so as to be able to move up and down relatively.

The outer periphery of the second guide tube 28 is slidably fitted into the inner periphery of the first guide tube 24, and the lower end of the second guide tube 28 is attached to the base frame 20. At the upper end of the first guide cylinder 24, a cylinder 3
0 is fixed to the head side, and the rod 32 of the cylinder 30 is connected to each second guide cylinder 28. First
The elevating cylinder mechanism 22 is constituted by the guide cylinder 24, the guide member 26, the second guide cylinder 28, and the cylinder 30, and the elevating cylinder mechanism 22 is provided at each of the four corners of the base frame 20.

On the other hand, horizontal jacks 34 are attached to the four corners of the base frame 20, and the horizontal jacks 3 are provided.
Reference numeral 4 denotes a configuration in which the leg member 35 can protrude in the axial direction by the supplied fluid. The horizontal jack 34 and the cylinder 30 are coaxially arranged.

On both side surfaces of the upper frame 8, hanging members 36 and 38 are formed integrally with the upper frame 8 by protruding from the upper frame 8 in opposite directions and horizontally. A rectangular insertion groove 36a (only one is shown) is formed in the hanging members 36 and 38 and opened downward.

Further, on both sides of the base frame 20,
As shown in FIGS. 1 and 4, receiving members 40 and 42 are integrally formed directly below the hanging members 36 and 38. Each of the receiving members 40 and 42 has a rectangular bottomed hole 44 (only one is shown) facing the insertion groove 36a. The hanging members 36 and 38 may be attached to the elevating frame 12, and the hanging members 36 and 38 may be attached to a member that moves up and down together with the elevating frame 12.

As shown in FIGS. 3 and 4, reference numeral 50 denotes a traveling mechanism which drives the crawlers 52 and 54 to travel. A hydraulic unit 56 is mounted on the traveling mechanism 50, and supplies hydraulic oil to a driving motor 18, a traveling motor (not shown) that drives the chuck cylinder 14, the cylinder 30, the horizontal jack 34, the outriggers 90 and 92, and the crawlers 52 and 54. Supply.

On the front side of the traveling mechanism 50, a pair of arm members 60 and 62 are supported. The tip of the pair of arm members 60 and 62 extends toward both sides of the tubing mechanism 2.
Reference numeral 62 denotes an interval between which the tubing mechanism 2 can be sandwiched.

A vertical through hole 64 (see FIG. 1) is formed at the tip of each of the arm members 60 and 62, and support members 66 and 68 are slidably inserted into the through hole 64. . A plurality of insertion holes 70, 72 are formed in the support members 66, 68.
Are provided in the horizontal direction, and both arm members 60 and 62 are provided.
An insertion hole 74 (only one is shown) is formed at right angles to the through hole 64.

By inserting the pin 76 into one of the insertion holes 74 of the arm members 60 and 62 and the plurality of insertion holes 70 and 72 of the support members 66 and 68, the support members 66 and 6 are inserted.
8 can be adjusted in the vertical direction. Further, the support members 66 and 68 are respectively provided with the insertion grooves 36a of the above-mentioned hanging members 36 and 38 and the receiving members 40 and 42.
Is formed so that it can be inserted into the bottomed hole 64.

The two arm members 60 and 62 are swingably supported by the traveling mechanism 50 around vertical pins 76 and 78. By inserting the pins 80 and 82,
It is configured such that swinging can be restricted while the tubing mechanism 2 is sandwiched between the two arm members 60 and 62.

Traveling mechanism 5 between both arm members 60 and 62
At 0, a telescopic column 84 is rotatably erected, and a beam 86 extending in the horizontal direction is attached to the tip of the column 84. A winch 88 of a manual type or an electric type is movably attached to the beam 86.

On the other hand, the traveling mechanism 50 has a pair of outriggers 90, 92 on opposite sides of the pair of arm members 60, 62.
Is provided. The outriggers 90 and 92 are configured to be able to further project toward the rear of the traveling mechanism 50. Further, a spike 96 (only one is shown) is attached to the outriggers 90 and 92, and when the outriggers 90 and 92 are driven,
6 can be pushed underground.

When it is difficult to push the spike 96 into the ground, the outriggers 90 and 92 can be extended to change the pushing position. Further, by extending the outriggers 90 and 92, it is possible to receive a greater rotational reaction force acting on the traveling mechanism 50 described later. In addition, both outriggers 9
A weight 94 is mounted on the traveling mechanism 50 between 0 and 92, and the weight 94 can be lowered onto the ground using both outriggers 90 and 92.

Next, the operation of the self-propelled tubing device of the present embodiment will be described. First, rotation and pushing of the casing tube 1 by the tubing mechanism 2 will be described. The tubing mechanism 2 is placed at the center of the pile construction site, and is adjusted by the horizontal jack 34 so that the tubing mechanism 2 is horizontal. Subsequently, when the casing tube 1 is inserted into the tubing mechanism 2 and the chuck cylinder 14 is driven, the upper frame 8 is pulled down, and the chuck member 4 is inserted between the outer periphery of the casing tube 1 and the rotating body 16. Then, the chuck member 4 grips the outer periphery of the casing tube 1.

The driving motor 18 is driven to rotate and the rotating body 1 is rotated.
6, the casing tube 1 is rotated, and the elevating cylinder mechanism 22 is driven to the contraction side, so that the elevating frame 12 is lowered. Thereby, the casing tube 1
Is rotated and pushed into the ground, and excavation is performed by a not-shown excavation bit at the end of the casing tube 1.

When the elevating cylinder mechanism 22 is driven to the stroke end, the gripping of the casing tube 1 is released, and the elevating cylinder mechanism 22 is driven to the extension side to raise the elevating frame 12. Then, the above-described operation is repeated, and excavation by the casing tube 1 is performed.
In addition, the casing tube 1 can be excavated more deeply by adding.

When the casing tube 1 is pulled out of the ground after the excavation by the casing tube 1 is completed and the tubing mechanism 2 is moved, first, as shown in FIG. 1
2 and the upper frame 8 is raised.

The support member 66 is connected to the arm member 60,
A pin 76 is inserted into the lower insertion hole 70 so as to protrude upward from 62. Then, the traveling mechanism 50 is advanced, and the tubing mechanism 2 is moved between the two arm members 60 and 62.
5 and, as shown in FIG.
Immediately below the insertion grooves 36a, the support members 66, 68 are provided.
To be placed.

Next, the lifting cylinder mechanism 22 is driven,
The lifting frame 12 and the upper frame 8 are lowered. As a result, as shown in FIG.
8 enters the insertion groove 36a of the hanging members 36, 38, and the tips of the supporting members 66, 68 abut on the hanging members 36, 38. Then, the upper frame 8 includes the hanging members 36, 38,
It is supported by both arm members 60 and 62 via support members 66 and 68. The lifting frame 12 is suspended from the upper frame 8 via the chuck cylinder 14.

Further, when the elevating cylinder mechanism 22 is driven, the base frame 20 is lifted, and the base frame 20 is separated from the ground as shown in FIG. The lower ends of the support members 66 and 68 are connected to the receiving members 40 and 4.
2 to prevent the tubing mechanism 2 from swinging.

After the base frame 20 has been pulled up, FIG.
As shown in (d), when the tubing mechanism 2 is mounted on the trailer 100, the traveling mechanism 50 is moved forward to move the tubing mechanism 2 onto the trailer 100. Then, in a procedure reverse to the procedure described above, the lifting cylinder mechanism 22 is driven to lower the base frame 20.

The base frame 20 is connected to the trailer 1
When the user gets on the loading platform of No. 00, the lifting frame 12 and the upper frame 8 rise, and the support members 66 and 68 are pulled out from the insertion grooves 36 a of the hanging members 36 and 38. When the traveling mechanism 50 is retracted, the tubing mechanism 2 remains on the bed of the trailer 100, and the trailer 10 can be used without using a crane.
0 can be equipped with a tubing mechanism 2. The traveling mechanism 5
When loading 0 on the trailer 100, the pair of arm members 60, 62 may be swung around the pins 80, 82 and stored.

When the tubing mechanism 2 is to be moved to the next pile construction site instead of being mounted on the trailer 100, the traveling mechanism 50 is moved from the state shown in FIG. The tubing mechanism 2 is moved to the center of pile construction. After the tubing mechanism 2 is moved to the center of the pile construction as shown in FIG. 6A, the elevating cylinder mechanism 22 is driven to lower the base frame 20, as shown in FIG.

When the base frame 20 lands, the support member 6
After the members 6, 68 have been extracted from the insertion holes 36a of the hanging members 36, 38, the support members 66, 68 are suspended by the winch 88, and the pins 76 are pulled out. Next, as shown in FIG. 6C, the winch 88 is driven to lower the support members 66, 68, and the lower ends of the support members 66, 68 are inserted into the bottomed holes 44.

While driving the winch 88, the support member 6
The pins 76 are inserted by aligning the insertion holes 72 of the arm members 60 and 62 with the insertion holes 72 of the arm members 60 and 62. Alternatively, after the lower ends of the support members 66 and 68 are abutted against the bottom of the bottomed hole 44, the horizontal jack 34 is driven to support the support members 66 and 68.
The pin 76 may be inserted by aligning the insertion hole 72 of the arm member 60 with the insertion hole 74 of the arm members 60 and 62.

Then, as shown in FIG. 6D, the outriggers 90 and 92 are driven to insert the spikes 96 into the ground, and the horizontal jacks 34 are driven to drive the support members 6.
The lower ends of the 6, 68 are abutted against the bottom of the bottomed hole 44, so that the traveling mechanism 50 is lifted off the ground and the base frame 20 is adjusted to be horizontal.

Next, as described above, the casing tube 1 is inserted into the tubing mechanism 2 and pushed into the ground while rotating the casing tube 1. The vertical reaction force at that time is caused by the receiving members 40 and 42 and the supporting members 66 and 6.
8, by the traveling mechanism 50 and the weight 94 via the pin 76 and the arm members 60 and 62. Further, the rotational reaction force is similarly received by the spike 96. If only the stroke of the elevating cylinder mechanism 22 is insufficient for installing the tubing mechanism 2, the stroke of the horizontal jack 34 and the stroke of the chuck cylinder 14 can be used.

The present invention is not limited to such an embodiment at all, and can be implemented in various modes without departing from the gist of the present invention.

[0038]

As described above in detail, the self-propelled tubing device of the present invention can load a tubing mechanism on a trailer without using a crane, and can unload the tubing mechanism from the trailer. Further, by providing the hanging member on the lifting frame side and providing the supporting member on the pair of arm members, the tubing mechanism can be easily hooked on the arm members.

Further, the support member can be adjusted vertically.
And by providing a receiving member on the base frame,
The traveling mechanism can be used as a reaction force receiver of the tubing mechanism. By attaching the spike to the outrigger, the rotation reaction force of the tubing mechanism can be easily received.

Further, by supporting the pair of arm members in a swingable manner, when loading the traveling mechanism on the trailer,
The arm member can be stored.

[Brief description of the drawings]

FIG. 1 is a perspective view of a tubing mechanism as one embodiment of the present invention.

FIG. 2 is an enlarged sectional view of a lifting cylinder mechanism and a horizontal jack of the embodiment.

FIG. 3 is a side view of the self-propelled tubing device of the present embodiment.

FIG. 4 is a plan view of the self-propelled tubing device of the present embodiment.

FIG. 5 is an explanatory diagram of a moving procedure of a tubing mechanism by the self-propelled tubing device of the embodiment.

FIG. 6 is an explanatory diagram of a reaction force receiving procedure by the self-propelled tubing device of the present embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Casing tube 2 ... Tubing mechanism 8 ... Upper frame 12 ... Elevating frame 20 ... Base frame 22 ... Elevating cylinder mechanism 34 ... Horizontal jack 36, 38 ... Hanging member 40, 42 ... Receiving member 50 ... Traveling mechanism 60, 62 ... Arm Member 66, 68 Support member 88 Winch 90, 92 Outrigger 96 Spike 100 Trailer

Claims (6)

[Claims] 1. A self-propelled tubing device comprising: a tubing mechanism that raises and lowers a lifting frame by a lifting cylinder mechanism while rotating a casing tube and pushes the lifting frame into the ground; and a traveling mechanism that moves the tubing mechanism. And are arranged at intervals
A self-propelled tubing device, wherein a pair of arm members on which the elevating frame is hung when the elevating cylinder mechanism is driven to lower the elevating frame are supported by the traveling mechanism. 2. A support on which the hanging member is formed so as to project toward the pair of arm members on the side of the elevating frame, and on which the hanging member is hung when the elevating cylinder mechanism is driven to lower the elevating frame. The self-propelled tubing device according to claim 1, wherein members are provided on the pair of arm members. 3. The support member is supported by the pair of arm members so as to be vertically adjustable, and a base frame of the tubing mechanism has a receiving member with which a lower end of the support member abuts, and The self-propelled tubing device according to claim 1, wherein the traveling mechanism includes an outrigger provided on a side opposite to the pair of arm members. 4. The self-propelled tubing device according to claim 3, wherein a spike is attached to the outrigger. 5. The self-propelled tubing device according to claim 3, wherein the outrigger is overhangable. 6. The self-propelled tubing device according to claim 1, wherein the pair of arm members are supported so as to be swingable around a vertical axis.