JP2000291364A - Moving device of casing press-fitting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a moving device of a case press-fitting device capable of increasing the efficiency of a casing press-fitting operation in a narrow place. SOLUTION: A casing press-fitting device comprises means to vertically hold and press-in a casing into the ground which is installed on a base frame. Front and rear part wheel support frames on which a rod having both ends to which a wheel is installed rotatably is supported are installed detachably at both front and rear ends of the base frame with both wheels positioned on the right and left sides and with the base frame supportable by the wheels without being grounded.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a moving device for moving a device for press-fitting a casing into the ground to a press-fitting position.

[0002]

2. Description of the Related Art Conventionally, in order to move a casing rotary press-fitting device for press-fitting into the ground while rotating a casing to a casing press-fitting position, a method of suspending the entire casing press-fitting device by a crane and moving it to a desired position is adopted. However, there is a drawback that the movement is troublesome and time-consuming, and in order to improve this, a device has been proposed in which a plurality of crawlers carry a rotary press-fitting device and the crawlers move by traveling. However, the latter has a drawback in that it has a structure in which a plurality of crawlers protrude greatly to the side, so that it is difficult to press-fit a casing in a narrow place.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to improve the efficiency of press-fitting a casing in a narrow place.

[0004]

According to the present invention, there is provided a casing press-fitting device provided with a means for vertically gripping a casing on a base frame and pressing the casing into the ground. At both front and rear ends,
The front and rear wheel supporting frames supporting rods having wheels rotatable at both ends are detachably mounted in a state where the wheels are positioned on the left and right and the base frame can be supported by each wheel without grounding. A moving device for the casing press-fitting device is proposed. Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0005]

1 (a) and 1 (b), four hydraulic jacks (2) for press-fitting a casing are erected on a base frame (1) having a substantially rectangular frame shape.
In addition, the lifting frame (3) is supported so as to be able to move up and down by driving the jack, and the rotating cylinder (4) is rotatably supported on the lifting frame (3). C) A chuck arm chain type chuck (5) for vertically gripping the C) is attached, and the rotary cylinder (4) is rotated by the casing rotating hydraulic motors (6) and (6) installed on the lifting frame (3). The front and rear wheel attaching / detaching units (A) and (Aa) are provided at both front and rear ends (left and right ends in FIG. 1) of the base frame (1) of such a casing rotary press-fitting device. Are detachably mounted.
(7) are outriggers provided at the four corners of the base frame (1).

The structure of the front and rear wheel attaching / detaching units (A) and (Aa) is as follows. First, in the base frame (1), as shown in FIG. 2, square cylindrical fitting holes (front and rear sides) of front and rear frame members (8) and (8a) are formed in right and left sides of the square frame. 9) (9),
(9a) (9a) is provided, stoppers (10), (10), (10a) (10a) are provided at the inner end of each fitting hole, and a pin through hole vertically penetrating the side wall of each fitting hole. (11) (11), (11a) and (11a) are provided.

The wheel detachable units (A) and (Aa)
As shown in FIGS. 3 and 4, square hollow hollow wheel rods (13), (13), (13), which are appropriately longer in rectangular hollow front and rear wheel support frames (12), (12a).
a) is slidably inserted in the axial direction, and the wheel rod (1) is inserted.
3), (13a) front wheels (14), (1
4), the rear wheels (14a) and (14a) are mounted respectively, and the support frames (12) and (12a) are fitted with the fitting holes (9) (9), (9a) (9a) ( 9
a) a rectangular tube which can be inserted into and removed from the fitting hole at a position opposed to a), and the pin through holes (11), (11), (11a)
(11a) and corresponding pin through holes (16) (16),
(16a) Detachable arm (15) having (16a) (1)
5), (15a) and (15a) are respectively projected in parallel,
These detachable arms (15) (15), (15a) (15
a) is fitted into the fitting holes (9) (9), (9a) (9a), and the locking pins (17) (17), (17a) (17a)
Through the pin holes (11) (16), (11) (16),
(11a) (16a), (11a) If the base frame (1) is not inserted by the front wheels (14) and (14) and the rear wheels (14a) and (14a), It will be supported by grounding.

The wheel attaching / detaching units (A) and (Aa) are further provided with a device for finely adjusting the casing press-fitting device left and right. The wheel rod (13), (13a)
The driven pins (18) and (18a) are fixed at right angles to the intermediate part of the above, and the tips of the pins (18) and (18a) are
The elongated holes (1) in the longitudinal direction of the support frames (12) and (12a)
9) and (19a), and the driven pins (18) and (18a) are provided on the outer surfaces of the support frames (12) and (12a) on both left and right sides of the protruding tip, respectively. Hydraulic cylinder for fine movement (20) (20),
(20a) (20a) is replaced with its piston rod (21)
(21), (21a) (21a) The bracket (2) with the tips thereof facing the pins (18) and (18a), respectively.
2) They are mounted via (22), (22a) and (22a). Looking at one fine adjustment device,
When the driven pin (18) is pushed left or right by extending one of the hydraulic cylinders (20) and (20) with the wheels (14) and (14) grounded, the support frame (1)
2) relatively moves left or right within the range of the slot (19).

In this embodiment, the rear wheel attaching / detaching unit (Aa) is equipped with an alligator control means. In FIG. 4, wheels (14a), (14) are provided at both ends of the wheel rod (13a).
a) The steering knuckles (23a) and (23a) are pivotally supported by king pins (24a) and (24a), and levers (25a) and (25a) protruding from the knuckles (23a) and (23a) are provided. Tie rods (26a) and (26a) connected to the steering gear in the gear box (27a). (28a) is a steering handle (see FIG. 1), and (29a) is a handle shaft.

[0010] (30), (30a) is a handle for detachably mounting the unit detachably attached to the wheel support frame (12), (12a), (31) is detachable to the front wheel support frame (12) FIG.

The operation of the above example will be described below together with the operation.
When the front and rear wheel attachment / detachment units (A) and (Aa) are mounted, first, the outriggers (7) are driven to extend and the entire casing press-fitting device is supported by the outriggers. By the operation of (1), the detachable arm (15) of the front wheel unit (A), (1)
5) is fitted into the fitting holes (9), (9) of the base frame (1), and the locking pins (17), (17) are inserted into the pin through holes (11), (16), (11), (16). ). Similarly, a detachable arm (15a) of the rear wheel unit (Aa),
(15a) is a fitting hole (9a) of the base frame (1),
(9a), and the locking pins (17a) and (17a) are inserted into the pin through holes (11a) (16a), (11a) and (16).
a). Here, a pair of left and right fine movement hydraulic cylinders (20), (20), (20a), and (20a) are extended to the same length in the left and right directions to prevent the driven pins (18) and (18a) from moving in the left and right directions. The outriggers (7) are reduced in size to drive the wheels (14) (14), (14a) (14a).
So that the entire casing press-fitting device is supported by the wheels without grounding.

In this state, an operator operates the operation handle (28a) to move the entire casing press-fitting device to a predetermined casing press-fitting location while towing the tow rod (31) by a self-propelled vehicle such as a crawler.

At a predetermined location, firstly, the casing press-fitting position is adjusted substantially in the front-rear direction by the forward / backward operation of the self-propelled vehicle, and then a pair of left and right fine movement hydraulic cylinders (20).
(20), (20a) After reducing each of the cylinders (20) and (20a) of (20a), each of the other cylinders (20) and (20a) is finely extended so that the wheel support frame (12 ), (12a) is synchronously finely moved left or right, and accordingly, the detachable arms (15), (15),
(15a) The casing press-fitting device is finely moved in the same direction via (15a) to finely adjust the casing press-fitting position in the left-right direction.

When the positioning is completed, the outrigger (7)
... is extended and grounded, and then the locking pins (17) (17)
(17a) (17a) is pulled out, and the front and rear wheel attaching / detaching units (A) and (Aa) are attached to their arms (15) (1).
5), (15a) Pull out (15a) and separate from the casing press-fitting device. Thereby, a large work space is secured. The casing (C) is vertically held by the chuck (5), and normal casing press-fitting is performed.

[0015]

According to the moving device of the casing press-fitting device of the present invention, the casing press-fitting device is moved to the desired press-fitting position by the four wheels of the front and rear wheel supporting frames attached to the front and rear ends of the base frame of the casing press-fitting device. It can be easily moved, and in the press-fitting position, the casing press-fitting position can be adjusted substantially in the front-rear direction by the forward and backward movement by the wheels, and after the movement, the wheel support frame is separated from the base frame, thereby Since the working space of the casing press-fitting device can be ensured widely, the necessary equipment can be carried in even in a narrow place to perform the work efficiently.

[Brief description of the drawings]

FIG. 1A is a plan view of a casing press-fitting device equipped with front and rear wheel attaching / detaching units. (B) FIG.

FIG. 2 is an enlarged plan view of a base frame.

FIG. 3 is a partially cutaway enlarged plan view of a front wheel attaching / detaching unit.

FIG. 4 is a plan view of the rear wheel attachment / detachment unit;

[Explanation of symbols]

 C Casing 1 Base frame 12, 12a Wheel support frame 13, 13a Wheel rod 14, 14a Wheel

────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] May 24, 2000 (2005.2.
4)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0004

[Correction method] Change

[Correction contents]

[0004]

According to the present invention, there is provided a casing press-fitting device provided with a means for vertically gripping a casing on a base frame and pressing the casing into the ground. At both front and rear ends,
A casing press-fitting device in which front and rear wheel supporting frames supporting wheels at both ends are detachably mounted in a state where the wheels are positioned on the left and right and the base frame can be supported by each wheel without grounding. We propose a mobile device. Hereinafter, embodiments of the present invention will be described with reference to the drawings.

Claims (1)

[Claims] 1. A casing press-fitting device equipped with means for vertically gripping a casing and pressing it into the ground on a base frame, wherein rods having wheels rotatably at both ends are provided at both front and rear ends of the base frame. A moving device for a casing press-fitting device, wherein the front and rear wheel supporting frames supported are removably mounted in such a manner that both wheels are positioned on the left and right and the base frame can be supported by the respective wheels without grounding.