JP2700774B2 - 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. In addition, the present invention relates to a primary soil lining and a secondary earth lining for a standing hole for constructing a standing hole such as a mountain bridge or a standing hole in an urban area, for example.

[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. 10, the base end of the form-tightening fluid pressure cylinder 11 arranged at equal angular intervals is radially arranged and fixed, and the base end of the holding cylinder 12 is fixed to the elevating frame 10,
The sliding cylinder 14 fixed to the arc-shaped mold frames 13 and 16 is slidably fitted to the holding cylinder 12 and
A plurality of formwork fixing fluid pressure cylinders 19 arranged at equal angular intervals are provided on the upper part. Further, in addition to the automatic lining device of claim 1, formwork clamping fluid pressure cylinders 11 are radially arranged at equal angular intervals below the elevating frame 10, and each of the formwork clamping fluid pressure cylinders 11 is provided. Is fixed to the elevating frame 10, and the elevating frame 10
The base end of the holding cylinder 12 is fixed to the
A sliding cylinder 14 fixed to 16 is slidably fitted to the holding cylinder 12, and tapered surfaces 15 narrowing outward are provided on both left and right sides fixed to an arc-shaped mold 13. In addition, a first type of circular mold 13 for first pulling and a tapered surface 17 that becomes wider toward the outside are provided on both left and right sides of the circular form, and a second type for subsequent pulling. And a condition that a plurality of mold-fixing fluid pressure cylinders 19 arranged at equal angular intervals on the upper part of the elevating frame 10 are provided. By doing so, the above problem can be advantageously solved. Furthermore, in addition to the automatic lining device of claim 1, a position display target 20 is provided at an upper central position of the elevating frame 10, and a deviation measurement for peeking at the position display target 20 on the upper frame 2. The above-described problem can also be advantageously solved by fixing the position measuring device 21 to be used.

[0005]

Next, an embodiment of the present invention will be described in detail with reference to the drawings. FIGS. 1 to 11 show an embodiment of the present invention, in which a central portion of a steel upper frame 2 is used to look into a position display target 20 fixed to an upper central portion of a lifting frame 10. A position measuring device 21 composed of a telescope is fixed via a V-shaped support frame 22. Further, the position measuring device 21 is connected to a detection display device 23 composed of an eye measurement or monitoring device.

An upper frame 2 fixed to an upper portion of a standing hole 1
A plurality of hoisting machines 3 and a plurality of height measuring detectors 4 are fixed, and the hanging ends of a plurality of wire ropes 5 unreeled from the drums of the plurality of hoisting machines 3 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, and are provided at equal angular intervals below the elevating frame 10. At the same level, the proximal ends of the six formwork clamping fluid pressure cylinders 11 are radially arranged at the same level and fixed to the lifting frame 10 via brackets and pivots.
A sliding cylinder 14 in which a base end of a holding cylinder 12 is fixed to the elevating frame 10 and which is fixed to arc-shaped molds 13 and 16.
Is slidably fitted to the holding cylinder 12, and the mold clamping fluid pressure cylinder 11 is disposed in the holding cylinder 12, and narrows outward on both left and right sides of the arc-shaped mold. A first type of arc-shaped frame 13 that is first drawn toward the center of the elevating frame 10 is provided.

On the left and right sides of the arc-shaped mold, tapered surfaces 17 which become wider toward the outside are provided, and a second type of rear-pull-out arc-shaped for drawing out toward the center of the frame 10 later. A mold 16 is configured.

The holding cylinder 12 is integrally fixed to the lower part of the lifting frame 10, and the arc-shaped mold frames 13, 16 are slidably fitted to the sliding cylinder 14, and the tip of the holding cylinder 12. A detent piece 25 fixed to the sliding cylinder 14 is fitted into a slit 24 provided in the portion, and every other first 24
A jack 11a connected to a kind of circular form 13;
The other jacks 11b connected to every other second type arc-shaped formwork 16 are pivotally connected to the elevating frame 10, respectively, and every other first type formwork 13 is connected to the jack 11a.
Then, every other second type mold 16 is pulled toward the lifting frame 10 by the jack 11b.

Each of the piston rods of the jacks 11a and 11b and each of the arc-shaped mold frames 13 and 16 are connected to each other by bolts, and are fixed to the inside of each of the arc-shaped mold frames 13 and 16 and The lower bracket 28 and the upper and lower brackets 29 fixed to the upper and lower surfaces of the distal end of each sliding cylinder 14 are connected by an upper horizontal axis 30 and a lower horizontal axis 31 inserted through the through holes, respectively. Have been combined.

On the upper part of the elevating frame 10, three hydraulic cylinders 19 for fixing the formwork are arranged at equal angular intervals, and the hydraulic cylinders 19 for fixing the formwork are fixed to the elevating frame 10; The form-fixing fluid pressure cylinder 19 includes a cylinder 33, a piston 34 which is moved by fluid pressure, and a rubber elastic support member 35 fixed to the front end of the piston 34. Further, an arc-shaped flange 37 projecting toward the hole wall 36 is provided below the arc-shaped mold frames 13 and 16.

The position measuring device 21 has a detection display device 2
3 is connected, and the center position of the position display target 20 in the lifting frame 10 is displayed on the detection display device 23. Therefore, the worker looks at the center position of the position display target 20 displayed on the detection display device 23, Each hoisting machine 3 or hydraulic jack 19 is operated.
Low-height steel cylinder 38 installed at the upper end of upright hole 1
A concrete member 39 is cast on the outside of the frame, and jacks 40 for supporting the upper frame 2 are attached to the four corners of the upper frame 2. The jacks 40 are installed on the concrete member 39. The upper portions of the four support ropes 41 connected to the four corners of the upper frame 2 are connected to a locking ring 42, and the upper frame 2 lifted by the lower hooks 44 of the crane 43 is placed on the ground 45 on the ground. .

Next, a procedure for performing concrete lining using the automatic lining apparatus of the present invention will be described.
1, that is, the piston 34 in the hydraulic cylinder 19 is pressed against the lower inner surface of the lining concrete 7 that has already been built, the elevating frame 10 is held at a predetermined position, and the respective arc-shaped molds 13, The outer peripheral surface of the 16 inclined arc-shaped lower flanges 37 is pressed against the hole wall 36, and then from a lining concrete supply device (not shown) through a concrete supply hose by an injection hose (not shown). Concrete is poured between the formwork and the hole wall 36 from between the lower end of the lining concrete already built and the upper end of the formwork. After the lining concrete reaches a predetermined strength, the arc-shaped mold frames 13 and 16 are sequentially drawn toward the center side of the frame 10 and demolded. Next, the piston 34 is shortened, and then the lifting frame 10 is hoisted by the lifting hoist 3, and then the lifting frame 10 is moved by the crane 43 together with the upper frame 2.
The excavator is removed from the upright hole 1, the excavator is carried into the upright hole 1, and the lower part of the upright hole 1 is excavated. Next, the removed molds 13 and 16 are set at predetermined positions 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.

When the present invention is carried out, in order to prevent the rotation of the sliding cylinder 14 with respect to the holding cylinder 12, the holding cylinder 12 and the sliding cylinder 14 are square or non-circular cylinders having a rectangular cross section or the like. It is better to use

[0014]

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 ends of the fluid pressure cylinders 1 are connected to an elevating frame 10 and the elevating frame 10 is provided with an even number of equiangularly spaced hydraulic cylinders 1 for form clamping.
1 is radially arranged and fixed, the holding cylinder 12 is fixed to the base end of the fluid pressure cylinder 11, and is fixed to the first and second types of arc-shaped forms 13 and 16. The sliding cylinder 14 is slidably fitted to the holding cylinder 12 and provided with a plurality of mold fixing fluid pressure cylinders 19 arranged at equal angular intervals above the elevating frame 10. After being fixed in a state where they are aligned by the arc-shaped molds 13 and 16, the first-type arc-shaped mold 13 is removed first,
After that, by removing the second type arcuate mold 16 later, the molds 13 and 16 can be sequentially removed. In addition, the elevation frame 10 is provided with the position display target 20 and the position measurement device 21, so that high-precision lining can be performed.

[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 an enlarged sectional view taken along line CC of FIG. 1;

FIG. 5 is an enlarged sectional view taken along line DD of FIG. 1;

FIG. 6 is a longitudinal sectional front view showing a part of FIG. 1 in an enlarged manner.

FIG. 7 is a longitudinal sectional front view showing a state in which a large number of arc-shaped molds are moved inward.

FIG. 8 is a sectional view taken along line EE of FIG. 7;

FIG. 9 is a sectional view taken along line FF of FIG. 7;

FIG. 10 is a vertical sectional front view showing a state immediately before expanding a large number of arc-shaped molds.

FIG. 11 is a front view showing a joint portion of the mold.

FIG. 12 is a sectional view taken along line GG of FIG. 11;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vertical hole 2 Upper frame 3 Elevating hoist 4 Height measuring detector 5 Wire rope 6 Strips 7 Lining concrete 8 Primary concrete lining 9 Secondary concrete lining 10 Elevating frame 11 Fluid for formwork fastening Pressure cylinder 12 Holding cylinder 13 Arc-shaped formwork 14 Sliding cylinder 15 Tapered surface 16 Arc-shaped formwork 17 Tapered surface 19 Fluid pressure cylinder for formwork fixing 20 Position display target 21 Position measuring device 22 V-shaped support frame 23 Visual measurement or monitoring device 24 Slit 25 Detent piece 28 Bracket 29 Bracket 30 Upper horizontal axis 31 Lower horizontal axis 33 Cylinder 34 Piston 35 Rubber elastic support material 36 Hole wall 37 Arc-shaped flange 38 Steel cylindrical body 39 Concrete member 40 jack 41 support rope 42 locking ring 43 crane 4 Lower hook 45 ground

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Hideyo Kitajima Inventor Ryoji Kawashima Examiner, Hitachi Zosen Corporation, 3-3-28 Nishikujo, Konohana-ku, Osaka-shi, Osaka

Claims (3)

(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;
Unwound from the drum of the plurality of height measuring detectors 4
The lower end portions of the plurality of strips 6 are connected to the elevating frame 10, and the base ends of the form-tightening fluid pressure cylinders 11 arranged at equal angular intervals are radially arranged on the elevating frame 10. The holding cylinder 12 is fixed to the lifting frame 10.
Are fixed at the base ends thereof and fixed to the arc-shaped mold frames 13 and 16 are slidably fitted to the holding cylinder 12 and are arranged at equal angular intervals above the elevating frame 10. Automatic lining apparatus provided with a plurality of formwork fixing fluid pressure cylinders 19. 2. An even number of mold clamping fluid pressure cylinders 11 are radially arranged at equal angular intervals below the elevating frame 10, and the base end of each mold clamping fluid pressure cylinder 11 is The sliding cylinder 14 fixed to the elevating frame 10, the base end of the holding cylinder 12 is fixed to the elevating frame 10, and the sliding cylinder 14 fixed to the arc-shaped forms 13, 16 is the sliding cylinder 14.
Tapered surfaces 15 that are slidably fitted to each other and are provided on both left and right sides of the arc-shaped formwork so as to narrow outward.
A first type arc-shaped formwork 13 for pulling out first ;
Similarly, tapered surfaces 17 that widen outward are provided on both left and right sides of the arc-shaped formwork, and a second type of rear-drawing arc-shaped formwork 16 for later drawing is formed in a circumferential direction.
2. The automatic lining device according to claim 1, further comprising a plurality of formwork fixing fluid pressure cylinders 19 arranged alternately in opposite directions and arranged at equal angular intervals above the elevating frame 10. 3. 3. A position display target 20 is provided at an upper central position of the elevating frame 10, and a position measuring device 21 for measuring displacement to look into the position display target 20 is fixed to the upper frame 2. 1. Automatic lining device.