JP2700772B2 - 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. At the upper part of 10, the base end of a plurality of form-fixing fluid pressure cylinders 11 arranged at equal angular intervals is fixed, and at the tip of the form-fixing fluid pressure cylinder 11, the lining concrete 7 is fixed. An elastic member 12 to be pressed against is fixed, a plurality of holding cylinders 13 are arranged at equal angular intervals below the elevating frame 10, and a sliding cylinder 15 slid by a jack 14 in the holding cylinder 13. Is provided in the sliding cylinder 15 in a first arc-shaped formwork 16. Part fixing the vertical axis 1 an end portion of the second arc-shaped mold 17 and the one end portion of the first arc-shaped mold 16
The lifting frame 10 is pivotally connected by a lock cylinder 19 to the leading end of each of the second arc-shaped molds 17. According to the second aspect of the present invention, a position display target 22 is provided at an upper central position of the elevating frame 10, and a position measurement device is provided on the upper frame 2. The container 21 is fixed.

[0005]

1 to 8 show a first embodiment of the present invention. In the center of an upper frame 2, a position display target 22 fixed to the upper center of a lifting frame 10 is seen. Measuring device 21 composed of a telescope for observation is fixed via a V-shaped support frame 23. Further, the position measuring device 21 includes an eye measurement or monitoring device 2.
4 are connected. Concrete members 26 are cast on the outside of a low-height steel cylinder 25 installed at the upper end of the upright hole 1, and jacks 27 for supporting the upper frame 2 are attached to four corners of the upper frame 2. The jack 27 is installed on the concrete member 26. The upper portions of the four support ropes 28 connected to the four corners of the upper frame 2 are connected to a locking ring 29, and the upper frame 2 lifted by the lower hook 31 of the crane 30 is placed on the ground 32 on the ground. You.

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 end portions of the plurality of strips 6 fed from the drums of the plurality of height measurement detectors 4 are connected to an elevating frame 10 and arranged at equal angular intervals on the upper portion of the elevating frame 10. The base ends of the plurality of formwork fixing fluid pressure cylinders 11 are radially arranged and fixed at the same level, and the tip of the plunger 33 in the formwork fixation fluid pressure cylinder 11 is provided with a rubber material. Is fixed.

[0007] The base ends of the plurality of holding cylinders 13 are arranged at equal angular intervals at the same level below the elevating frame 10 and are integrally fixed to the elevating frame 10. The lower portion is provided with a detent elongate hole 35 extending in the longitudinal direction, and a sliding cylinder 15 is slidably fitted inside the holding cylindrical body 13, and is provided at an intermediate portion of the sliding member 15. The rotation-stop projection 34 is fixed to the portion, and the rotation-stop projection 34 is fitted into a rotation-stop elongate hole 35 provided to extend in the longitudinal direction of the lower portion of the holding cylindrical body 13. Non-rotating projection 34 and non-rotating slot 3
5 prevents rotation of the sliding cylinder 15. The jack 14 is pivotally attached to supporting brackets 36 and 37 attached to the elevating frame 10 and the first arc-shaped formwork 16 by pins.
The sliding cylinder 15 can be expanded and contracted by the
A sliding cylinder 47 is constituted by 3 and the sliding cylinder 15.

An intermediate portion of a first arc-shaped formwork 16 is integrally fixed to a tip end of each of the sliding cylinders 15, and the first
One end of a second arc-shaped mold 17 is pivotally connected to one end of the arc-shaped mold 16 by a longitudinal axis 18, and the other end of the first arc-shaped mold 16 has a leakage prevention plate. 38 is attached, and the leak prevention plate 38 reliably prevents concrete from leaking.

A bracket 39 is fixed to the inside of the tip of the second arc-shaped formwork 17, and
A bracket 44 is fixed to an outer surface of the lock cylinder 19, and one end of the locking cylinder 19 formed of a fluid pressure cylinder is pivotally moved by a vertical axis 40 with respect to the bracket 39 fixed to the distal end of the second arc-shaped formwork 17. The locking cylinder 1
The other end of 9 is pivotally connected by a longitudinal axis 42 to a bracket 44 fixed to the outer surface of the lifting frame 10.

Next, the operation of the first embodiment will be described. When pressing the lower flange 43 of each of the arc-shaped molds 16 and 17 against the peripheral wall surface 50 of the upright hole 1, the jack 14 and each locking cylinder 19 are extended, and the lower flange 43 is attached to the peripheral wall surface 50. The concrete lining 7 is cast between the lower flange 43 and the arc-shaped formwork 16 and 17 in this state, and after the concrete lining 7 is hardened, the above-mentioned arc-shaped formwork 16 is formed. , 17 are removed from the concrete lining 7.

FIGS. 9 to 13 show an automatic lining device according to a second embodiment of the present invention, which is different from the automatic lining device in the first embodiment of the present invention in that each of the first arc-shaped devices has a first circular arc shape. One end of each of the second arc-shaped molds 17 is pivotally connected to the both ends of the mold 16 by a vertical axis 18, and each of the second arc-shaped molds 17.
At the other end, arc-shaped inclined surfaces 45 and 46 centered on the longitudinal axis 18 are provided, and a plurality of holding cylinders 13 are fixed to an intermediate portion of the elevating frame 10. The display target 22 is provided at a central position inside the elevating frame 10, and the brackets 44 are fixed to the left and right sides on the distal end side of the holding cylinder 13.
A bracket 39 is fixed inside the middle part of the inner surface of each arc-shaped form 17, and the four locking cylinders 19 are fixed to both side surfaces of the holding cylinder 13. This is the same as in the first embodiment.

[0012]

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. An end portion thereof is connected to an elevating frame 10, and a base end portion of a plurality of form-fixing fluid pressure cylinders 11 arranged at equal angular intervals is fixed to an upper portion of the elevating frame 10. An elastic member 12 that is pressed against the lining concrete 7 is fixed to the tip of the pressure cylinder 11,
A plurality of holding cylinders 13 are arranged at equal angular intervals below 0,
A sliding cylinder 15 that is slid by a jack 14 is fitted into the holding cylinder 13, an intermediate portion of a first arc-shaped mold 16 is fixed to the sliding cylinder 15, and the first arc-shaped frame 16 is fixed. One end of a second arc-shaped mold 17 is pivotally connected to one end of the mold 16 by a longitudinal axis 18, and the elevating frame 10 and the tip of each elastic member 12 are connected by a locking cylinder 19. Therefore, the lower flange 43 of the first arc-shaped mold frame 16 and the second arc-shaped mold frame 17 is pressed against the peripheral wall surface 50 of the upright hole 1 by the jack 14 and the locking cylinder 19 having a simple configuration. And can be demoulded. Further, since the position display target 22 is provided on the elevating frame 10 and the position measuring device 21 is provided on the upper frame 2, high-precision lining can be performed.

[Brief description of the drawings]

FIG. 1 is a partially cutaway vertical front view showing an automatic lining device 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 vertical sectional side view showing a state where the first arc-shaped mold and the second arc-shaped mold of FIG. 1 are moved backward.

FIG. 5 is an enlarged longitudinal front view showing a lower left portion of FIG. 4;

FIG. 6 is a cross-sectional plan view showing a state in which lower flanges of a first arc-shaped mold and a second arc-shaped mold are pressed against a peripheral wall surface of a vertical hole in the first embodiment of the present invention.

FIG. 7 is a cross-sectional plan view showing a part of FIG. 6 in an enlarged manner.

FIG. 8 is a cross-sectional plan view showing a state in which the hydraulic cylinder for fixing the form is shortened and the circular form is drawn in the first embodiment of the present invention.

FIG. 9 is a longitudinal sectional front view showing an automatic lining device according to a second embodiment of the present invention.

FIG. 10 is a cross-sectional plan view showing a state in which a lower flange of a circular formwork is pressed against a peripheral wall surface of a vertical hole in an automatic lining device according to a second embodiment of the present invention.

11 is a cross-sectional plan view showing a part of FIG. 10 in an enlarged manner.

FIG. 12 is a cross-sectional plan view showing a state in which a lower flange of a circular mold is separated from a peripheral wall surface of a vertical hole and separated into respective arc-shaped molds.

FIG. 13 is a cross-sectional plan view showing a part of FIG. 12 in an enlarged manner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vertical hole 2 Upper frame 3 Hoisting machine for elevation 4 Detector for height measurement 5 Wire rope 6 Strips 7 Concrete for lining 8 Primary concrete lining 9 Secondary concrete lining 10 Elevating frame 11 Fluid for formwork fixing Pressure cylinder 12 Elastic member 13 Holding cylinder 14 Jack 15 Sliding cylinder 16 First arc-shaped mold 17 Second arc-shaped mold 18 Vertical axis 19 Locking cylinder 20 Bearing cylinder 21 Position measuring device 22 For position display Target 23 Reverse V-shaped support frame 24 Visual measuring or monitoring device 25 Steel cylinder 26 Concrete member 27 Jack 28 Support rope 29 Locking ring 30 Crane 31 Lower hook 32 Ground 33 Plunger 34 Detent projection 35 Detent slot 36 Support Bracket 37 Support Bracket 38 Leakage Prevention Plate 39 Bracket 40 Vertical axis 41 Bearing cylinder 42 Vertical axis 43 Lower flange 44 Bracket 45 Arc-shaped slope 46 Arc-shaped slope 47 Sliding cylinder 50 Peripheral wall surface

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;
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 a base end portion of a plurality of form-fixing fluid pressure cylinders 11 arranged at equal angular intervals on the elevating frame 10. An elastic member 12 which is fixed and pressed against the lining concrete 7 is fixed to the tip of the form fixing fluid pressure cylinder 11, and a plurality of holding cylinders 13 are equiangularly attached to the lower part of the elevating frame 10. Arranged at intervals, a sliding cylinder 15 slid by a jack 14 is fitted into the holding cylindrical body 13,
An intermediate portion of a first arc-shaped mold 16 is fixed to the sliding cylinder 15, and one end of a second arc-shaped mold 17 is attached to one end of the first arc-shaped mold 16 by a vertical axis 18. An automatic lining device which is pivotally connected to connect the elevating frame 10 and a tip end of each of the second arc-shaped forms 17 by a locking cylinder 19. 2. A position display target 22 is provided at an upper central position of the elevating frame 10, and a position measuring device 21 for measuring a deviation for looking into the position display target 22 is fixed to the upper frame 2. Automatic lining equipment.