JP2700770B2 - Automatic lining device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic lining device used for excavating a vertical hole and a lateral hole following the vertical hole. The present invention also relates to an automatic lining device used for constructing a primary soil lining and a secondary soil lining for a standing hole for constructing a standing hole for building a standing hole such as a mountain bridge or an urban area, for example. It is about.

[0002]

2. Description of the Related Art Heretofore, in a vertical hole or a horizontal hole, a lining material has been manually assembled in a hole or a formwork has been assembled manually, and then cast-in-place concrete has been cast. Further, in the case of the conventional lining device system, a mold is assembled so as to form a large number of circles via a plurality of divided retracting mechanisms.

[0003]

In the above-mentioned conventional case, there is a drawback that assembly accuracy is poor, and there is a danger that the lining will collapse naturally due to the sense of security of having a concrete lining. There was a problem with sex. In the case of the conventional lining method, there are disadvantages that a large number of workers are required, the cost is increased, and the finishing accuracy is poor. Further, in the case of the above-mentioned conventional lining device system, since the mold is assembled so as to form a large number of circles via a plurality of divided retracting mechanisms, there is a disadvantage that the assembly accuracy is poor. SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems and provides an automatic lining capable of improving workability and safety by mechanizing the work of assembling a lining material manually or assembling a formwork manually in a vertical hole. It is to provide a device.

[0004]

In order to advantageously solve the above-mentioned problems, an automatic lining apparatus according to the present invention comprises:
A plurality of hoisting machines 3 and a plurality of height measuring detectors 4 are fixed to an upper frame 2 fixed to the upper part of the robot, and are unwound from the drums of the plurality of hoisting machines 3. The hanging lower ends of the plurality of wire ropes 5 and the hanging lower ends of the plurality of strips 6 fed from the drums of the plurality of height measuring detectors 4 are connected to an elevating frame 10. A large number of longitudinal axes 16 are rotatably supported by an elevating frame 10 on the outer side of an annular gear 15 rotated by a driving device 14 fixed to 10.
The vertical gear 17 meshing with the vertical axis 16 is fixed, and the base ends of a pair of upper and lower support arms 18 are fixed to the upper and lower portions of each longitudinal axis 16,
The arc-shaped formwork 13 is connected to the distal end of each support arm 18, and the fixing fluid pressure cylinders 11 arranged at equal angular intervals above the elevating frame 10 are connected. In addition, a position display target 19 is provided at the upper central position of the lifting frame 10, and a position measuring device 20 for looking into the position display target 19 is connected to the upper frame 2.

[0005]

1 to 8 show an embodiment of the present invention. In FIG. 1 to FIG. 8, a plurality of hoisting machines 3 and a plurality of hoisting machines 3 A stand height measuring detector 4 and a plurality of elevation hoisting machines 3 and a plurality of height measuring detectors 4 are arranged on the upper frame 2 at the upper center of the upright hole 1. The fixed lower end portions of the plurality of wire ropes 5 drawn out from the drums of the plurality of hoisting and hoisting machines 3 and the plurality of strips drawn out from the drums of the plurality of height measuring detectors 4. The hanging lower end of the body 6 is connected to the lifting frame 10. A bearing 37 is provided between the upper flange and the lower flange of the elevating frame 10 and outside the vertical cylindrical portion 40 of the elevating frame 10.
Gear 15 having external teeth 22 and internal teeth 23 via
Is rotatably supported, the drive device 14 is fixed inside the vertical cylinder portion 40, and the output shaft 3 of the drive device 14 is fixed.
The drive gear 21 is fixed to the output shaft 38 of the drive device 14 so that the outer peripheral side of the drive gear 21 protrudes from a through hole 39 provided in an intermediate portion of the vertical cylinder 40. And the driving gear 21 is connected to the outer ring gear 15.
Are meshed with the annular internal teeth 23 provided on the inner peripheral surface side of the inner peripheral surface.
A large number of longitudinal axes 16 are arranged at intervals in the circumferential direction on an outer side of an annular gear 15 rotated by a driving device 14 fixed inside a vertical cylindrical portion 40 of the elevating frame 10 and both ends of the longitudinal axis 16 A vertically moving gear 17 that meshes with the ring gear 15 is fixed to the longitudinal axis 16 of the upper and lower parts of the support arm 18 at the upper and lower parts of each longitudinal axis 16. Are fixed, and an arc-shaped formwork 13 is pivotally connected to a tip end of each support arm 18 by a vertical connection shaft 24, and the fixing fluid pressure cylinders 11 arranged at equal angular intervals above the elevating frame 10. Are linked.

A position display target 19 is provided at the upper center position of the lifting frame 10, and the upper frame 2
The lower part of the support leg 42 of the gantry 41 is fixed, and the mounting base 43 of the gantry 41 is arranged at the center position above the upright hole 1, and the mounting base 43 has a position for looking into the position display target 19. The measuring device 20 is attached, and the position measuring device 20 is arranged so as to be located on the central axis of the upright hole 1.

A plurality of fixing fluid pressure cylinders 11 (fluid pressure jacks 25) arranged at equal angular intervals above the elevating frame 10 are fixed, and a rubber member is attached to the distal end of a movable member 26 of the fluid pressure jack 25. Are fixed.

The position measuring device 20 includes a detection display device 2
8 is connected, and the center position of the position display target 19 in the lifting frame 10 is displayed on the detection display device 28. Therefore, the worker looks at the center position of the position display target 19 displayed on the detection display device 28, Each hoist 3 or the hydraulic jack 25 is operated.
Low-height steel cylinder 29 installed at the upper end of upright hole 1
A concrete member 30 is cast on the outside of the upper frame 2, and jacks 31 for supporting the upper frame 2 are attached to the four corners of the upper frame 2. The jacks 31 are installed on the concrete member 30. The upper portions of the four support ropes 32 connected to the four corners of the upper frame 2 are connected to a locking ring 33, and the upper frame 2 lifted by the lower hook 35 of the crane 34 is placed on the ground 36 on the ground. .

Next, a procedure for performing concrete lining using the automatic lining apparatus of the present invention will be described. The state shown in FIG. 1, that is, the movable member 26 in the hydraulic jack 25 is pressed against the lower inner surface of the lining concrete that has already been built, and the elevating frame 10 is held at a predetermined position. The outer peripheral surface of the inclined lower arcuate flange 44 is pressed against the hole wall 45, and then injected from a lining concrete supply device (not shown) through a concrete supply hose (not shown).
Thereby, concrete is poured between the formwork and the hole wall from between the lower end of the lining concrete and the upper end of the formwork. After the lining concrete reaches a predetermined strength, each arc-shaped formwork 13 is sequentially drawn toward the center side of the frame 10 and demolded. Next, the movable member 26 is shortened, then the lifting frame 10 is hoisted by the lifting hoist 3, and then the lifting frame 10 and the like together with the upper frame 2 are removed from the standing hole 1 by the crane 34.
The excavator is carried into the pit and excavates the lower part of the vertical hole 1. Next, the removed formwork 13 is set at a predetermined position in the upright hole 1 and concrete for lining is cast. The above steps are repeated as necessary to build a concrete lining having a predetermined depth.

[0010]

According to the present invention, a plurality of hoisting machines 3 and a plurality of height measuring detectors 4 are fixed to an upper frame 2 fixed above the upright holes 1, The hanging ends of the plurality of wire ropes 5 drawn out from the drums of the plurality of hoists 3 and the plurality of strips 6 drawn out of the drums of the plurality of height measuring detectors 4. The end is connected to the lifting frame 10, and a number of longitudinal axes 16 are rotatably supported by the lifting frame 10 on the outside of an annular gear 15 rotated by a driving device 14 fixed to the lifting frame 10. A longitudinal gear 17 meshing with the ring gear 15 is fixed to the shaft 16, the base ends of a pair of upper and lower support arms 18 are fixed to the upper and lower parts of each longitudinal axis 16, and the distal end of each support arm 18 is shaped like an arc. Form 13 is connected to the upper part of the elevating frame 10 Since the fixed fluid pressure cylinder 11 arranged at angular intervals linked, it can either be gradually lowered accurately automatic lining. In addition, a position display target 19 is provided at the upper center position of the lifting frame 10, and a position measuring device 20 for viewing the position display target 19 is connected to the upper frame 2. It is possible to know it accurately, so that a highly accurate lining can be constructed.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional front view showing a state in which lining is being performed using an automatic lining apparatus according to an embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line AA of FIG.

FIG. 3 is an enlarged sectional view taken along line BB of FIG. 1;

FIG. 4 is a longitudinal sectional front view showing a part of FIG. 1 in an enlarged manner.

FIG. 5 is a longitudinal sectional front view showing a state in which a large number of arc-shaped forms are contracted.

FIG. 6 is a schematic plan view of the portion shown in FIG.

FIG. 7 is a longitudinal sectional front view showing a state where an arc-shaped form is removed from the mold.

FIG. 8 is a front view showing a joint portion of the mold.

FIG. 9 is a sectional view taken along line CC of FIG. 8;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vertical hole 2 Upper frame 3 Lifting machine 4 Height measuring detector 5 Wire rope 6 Strips 7 Concrete lining 8 Primary concrete lining 9 Secondary concrete lining 10 Lifting frame 11 Fluid pressure for formwork fixing Cylinder 12 Circular form 13 Arc form 14 Drive 15 Ring gear 16 Vertical axis 17 Vertical gear 18 Support arm 19 Position display target 20 Position measuring device 21 Drive gear 22 Outer ring gear (external gear) 23 Inner annular gear (internal teeth) 24 Vertical connection shaft 25 Fluid pressure jack 26 Movable member 27 Elastic bearing material 28 Detection display device 29 Cylindrical body 30 Concrete member 31 Jack 32 Support rope 33 Locking ring 34 Crane 35 Lower hook 36 Ground Ground 37 Bearing 38 Output shaft 39 Through hole 40 Vertical cylinder part 41 Mount 42 Support leg 43 Mounting stand 4 Arcuate lower flange 45 bore wall

Claims (2)

(57) [Claims] 1. A plurality of hoisting machines 3 and a plurality of height measuring detectors 4 are fixed to an upper frame 2 fixed above the upright holes 1, and the plurality of hoisting hoists are fixed. Lower end portions of a plurality of wire ropes 5 unreeled from the drum of the machine 3;
The lower end portions of the plurality of strips 6 fed from the drums of the plurality of height measuring detectors 4 are connected to the lifting frame 10 and are rotated by a driving device 14 fixed to the lifting frame 10. On the outside of the gear 15, a number of longitudinal axes 16
Is rotatably supported by a lifting frame 10, a longitudinal gear 17 meshing with an annular gear 15 is fixed to a longitudinal axis 16, and a base end of a pair of upper and lower support arms 18 is provided above and below each longitudinal axis 16. An automatic cover, wherein an arc-shaped formwork 13 is connected to a tip end of each support arm 18, and fixing fluid pressure cylinders 11 arranged at equal angular intervals are connected to an upper portion of the elevating frame 10. Engineering equipment. 2. The automatic display device according to claim 1, wherein a position display target is provided at an upper central position of the elevating frame, and a position measuring device for viewing the position display target is connected to the upper frame. Lining equipment.