JP3649496B2 - Automatic lining equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automatic lining apparatus, for example, a standing pile for constructing a non-circular standing hole (hereinafter referred to as a free-standing standing hole) in a foundation pile such as a mountain bridge or a standing hole human hole such as an urban area. The present invention relates to an automatic lining device used when carrying out a retaining lining of a hole.
[0002]
[Prior art]
Conventionally, comparatively small free-standing vertical holes (for example, vertical-shaped vertical holes) have been subjected to manual excavation and earth retaining lining, and there has been no mechanized construction example.
[0003]
[Problems to be solved by the invention]
In the free standing vertical hole, the earth retaining lining using a liner lining material such as a liner plate is difficult to work in a narrow vertical hole, and there is also a problem in safety.
[0004]
From the above, there was a demand for mechanization for the earth retaining lining, but in the conventional technology, particularly in the case of a vertical cross-section, a form plate is smoothly placed on a non-circular peripheral wall surface using mechanical means. It was difficult to arrange and mechanical construction was difficult.
[0005]
SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and to provide an automatic lining apparatus by machine construction that can reduce the earth retaining work in a vertical cross-section and can improve safety.
[0006]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the automatic lining apparatus according to the present invention includes an elevating hoisting machine 3 and a height measurement on an upper frame 2 fixed to an upper part of a vertical hole 1 having a substantially oval cross section. The wire rope 5 fed from the lifting hoist 3 and the height measuring detector 4 and the hanging ends of the strip 6 are connected to the lifting block 10. The lifting block fixing fluid pressure cylinder 11 is fixed to the upper portion of the lifting block 10, and the tip of the plunger 12 of the fluid pressure cylinder 11 is provided so as to be in pressure contact with the lining concrete 7 after placement. , The lifting block 10 Plunger 13 at the bottom An arc-shaped mold holding fluid pressure cylinder 15 having: Telescopically expands and contracts A linear mold holding fluid pressure cylinder 17 having plungers 14, 16 is provided, and a pair of arcuate peripheral wall surfaces 18 of the upright hole 1 are arranged opposite to each other at the tip of the plunger 13 of the fluid pressure cylinder 15. First and second connecting shafts 20 for connecting the arc-shaped mold plates 19 are attached, and the inner portion of each arc-shaped mold plate 19 and the lifting block 10 are connected by connecting shafts 36. Are connected via a pivot axis by a lock arm 21 composed of a refracting arm 21a, 21b, and disposed at the tip of the plunger 16 of the linear mold holding fluid pressure cylinder 17 so as to face the linear peripheral wall surface 22 of the vertical hole 1. A straight formwork plate 9 is attached.
Moreover, the automatic lining apparatus according to the present invention includes an elevating hoist 3 and a height measuring detector 4 on an upper frame 2 fixed to an upper portion of a vertical hole 1 having a substantially oval cross section. The wire rope 5 fed from the lifting hoisting machine 3 and the height measuring detector 4 and the respective lower ends of the strips 6 are connected to the lifting block 10 and fixed to the lifting block 10. A fluid pressure cylinder 11 for fixing the lifting block is fixed to the upper part, and the tip of the plunger 12 of the fluid pressure cylinder 11 is provided so as to be in pressure contact with the concrete for covering 7 after being placed. 1st and 2nd stage plungers telescopically expand and contract at the bottom 13a, 13b Arc-shaped form holding fluid pressure cylinder 15 having a plunger and plunger 16a And a second-stage plunger of the fluid pressure cylinder 15. 13b A connecting shaft 20 for connecting a pair of arcuate formwork plates 19 arranged opposite to each other to the arcuate peripheral wall surface 18 of the upright hole 1 is attached to the tip of the vertical hole 1, and the inside of each arcuate formwork plate 19 and the first 1 stage plunger 13a And a plunger of the fluid pressure cylinder 17 for holding the linear formwork. 16a A straight form plate 9 that is disposed opposite to the straight peripheral wall surface 22 of the upright hole 1 is attached to the tip of the straight hole.
Further, a position display target 42 may be provided at the upper center position of the elevating block 10, and a position measuring instrument 41 for measuring a deviation for looking into the position display target 42 may be fixed to the upper frame 2.
Further, the elevating block 10 may be provided with an elevating block posture control fluid pressure cylinder 34 in which the plunger 33 expands and contracts downward and the tip of the elevating block 10 can come into contact with the bottom of the vertical hole 1 when extended.
[0007]
Further, at the intermediate position of the linear mold holding fluid pressure cylinders 17 arranged at intervals, a linear shape in which the tip of the plunger 55 can press the inner surface of the linear mold plate 9 against the lifting block 10. A fluid pressure cylinder 54 for preventing mold deflection may be provided.
[0008]
According to the present invention, the lifting block fixing fluid pressure cylinder 11 is extended to fix the lifting block 10 in the vertical hole 1 having a substantially elliptical cross section, and the arc-shaped form holding fluid pressure cylinder 15 An arc-shaped mold plate 19 and a linear mold plate 9 are disposed opposite to the arc-shaped peripheral wall surface 18 and the linear peripheral wall surface 22 of the vertical hole 1 using the fluid pressure cylinder 17 for holding the linear mold frame, Concrete for lining can be placed on the peripheral wall surface of the upright hole 1 for smooth lining, and demolding can be easily performed.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
A first embodiment of the present invention will be described below with reference to the drawings.
In FIG. 1 to FIG. 16, in the center portion of the upper frame 2, a position measuring instrument 41 composed of a telescope for looking into the position display target 42 fixed to the center upper portion of the elevating block 10 is a V-shaped support frame. 23 is fixed. The position measuring device 41 is connected to an eye measurement or monitoring device 24.
[0010]
A steel cylinder 25 having a low height is installed at the upper end of the vertical hole 1, concrete members 26 are placed outside the steel cylinder 25, and the upper frame 2 is provided at four corners of the upper frame 2. Is attached to the concrete member 6.
[0011]
The upper portions of the four support ropes 28 are connected to the four corners of the upper frame 2, and the upper portions of the support ropes 28 are suspended from the lower hooks 31 of the crane 30 via the locking rings 29. Thus, the upper frame 2 lifted by the crane 30 via the support rope 28 is placed on the ground 32 on which the vertical hole 1 is excavated.
[0012]
A plurality of lifting 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 upright hole 1 and are fed out from the drums of the plurality of lifting hoisting machines 3. The suspended lower end portions of the plurality of wire ropes 5 and the suspended lower end of the strip 6 fed from the height measuring detector 4 are connected to the elevating block 10. Move up and down inside.
[0013]
As shown in FIG. 7, the vertical hole 1 has a substantially oval cross section, and both ends in the longitudinal direction are arcuate circumferential wall surfaces 18, and both sides in the width direction are linear circumferential wall surfaces 22. The elevating block 10 has a substantially rectangular plane and is disposed at the center of the upright hole 1 and movably holds a mold cover plate (described later) for the earth retaining cover. The elevating block main body 10a in which the opening 35 is formed, and the fixed holding frame 10b integrally fixed to both ends of the block main body.
[0014]
The formwork plate is disposed so as to face the inner peripheral wall of the standing hole 1 when the concrete 7 for lining is placed on the inner peripheral wall of the standing hole 1. In the present invention, the form plate is divided into a plurality of parts, and is provided on the elevating block 10 so as to be movable forward and backward by a movable holding means.
[0015]
That is, the formwork plates disposed along the two arcuate peripheral wall surfaces 18 at both ends of the upright hole 1 are rotatably connected by the connecting shafts 20 inserted into the shaft holes 51 of the respective connecting ear pieces 39. The mold plate which is formed by the arcuate mold plate 19 provided in a pair and two sets on the left and right sides and disposed along the two linear peripheral wall surfaces 22 of the standing hole 1 has two linear shapes. It consists of a formwork plate 9.
[0016]
Each of the mold plates is movably held by the lifting block 10. As a movable holding means for the two sets of left and right arc-shaped mold plates 19, a two-stage extension type arc-shaped mold holding fluid is inserted into the circular holes 37 formed in the fixed holding frames 10 b at both ends in the longitudinal direction of the elevating block 10. A pressure cylinder 15 is inserted and fixed, and a plunger 13 is telescopically extended with respect to the fluid pressure cylinder 15, and a pair of arcuate mold plates 19 are rotatably connected to the tip of the plunger 13. A connecting shaft 20 is attached.
[0017]
In addition, at an almost intermediate position on the inside of each arc-shaped mold plate 19, one end of the lock arm 21 in which the first refraction arm 21a and the second refraction arm 21b are coupled by the coupling shaft 36, that is, the second refraction arm 21b. The end of the first refracting arm 21 a is pivotally connected to the end of the fixed holding frame 10 b of the elevating block 10 by a support shaft 40.
[0018]
Next, as a movable holding means for the two linear mold plates 9, the lifting block main body 10 a and the circular holes 43 formed on both sides of the fixed holding frame 10 b are respectively provided with two-stage extension type linear mold holding. A fluid pressure cylinder 17 is inserted and fixed, and a first-stage plunger 14 and a second-stage plunger 16 are telescopically extended with respect to the fluid pressure cylinder 17, and the tip of the second-stage plunger 16 is a linear type. It is fixed to the frame plate 9. Of the three fluid pressure cylinders 17 on one side, the fluid pressure cylinder 17 located in the middle part also functions as a fluid pressure cylinder for preventing deflection of the linear mold, and the tip of the second stage plunger 16 is a linear mold. By pressing the inner side surface of the intermediate portion of the plate 9, the linear formwork plate 9 is not bent inward by the concrete pressure when the concrete for lining 7 is placed.
[0019]
Further, the base end portion of the lifting / lowering block fixing fluid pressure cylinder 11 is inserted and fixed in the fitting hole 44 of the holding body 48 formed in the upper portion of the fixed holding frame 10b, and the plunger 12 of the fluid pressure cylinder 11 is fixed. An elastic member 52 made of a rubber material is fixed to the tip portion. Therefore, on both sides of the lifting block 10, a total of four plungers 12 of the lifting block fixing fluid pressure cylinders 11 are extended and the elastic member 52 at the tip thereof is pressed against the linear peripheral wall surface 22 of the vertical hole 1, The elevating block 10 is fixed to the central portion of the upright hole 1.
[0020]
Further, two circular holes 45 are formed in the vertical direction at the lower part of the fixed holding frame 10b, two each on the left and right sides, for a total of four, and the lifting block posture control fluid pressure cylinder 34 is inserted into and fixed to the circular holes 45. The plunger 33 is provided so as to protrude downward.
[0021]
The central opening 35 of the lifting block 10 is provided as a work hole when various members are fixed to the lifting block 10. Therefore, when these operations are completed, the upper portion of the central opening 35 is closed with a lid plate 49, for example, and the lid plate 49 is fixed to the upper surface of the elevating block 10, and the position display target 42 described above is It may be attached to the upper surface of the lid plate 49.
[0022]
Next, the operation of the apparatus of the present invention will be described.
The elevator hoisting machine 3 is controlled so that the elevator block 10 suspended by the wire rope 5 is lowered to a height position slightly higher than the grounding to the bottom of the upright hole 1. Subsequently, the elevating block posture control fluid pressure cylinder 34 is controlled so that the plunger 33 protrudes downward, and the tip of the elevating block 10 is grounded to the bottom surface 1a of the upright hole 1 having unevenness, thereby making the posture of the elevating block 10 horizontal. Hold on.
[0023]
Subsequently, the elevating block fixing fluid pressure cylinder 11 is controlled, the plunger 12 is extended, and the elastic member 52 at the tip is brought into pressure contact with the linear peripheral wall surface 22 of the upright 1, whereby the elevating block 10 is made upright. 1 is fixed to the center.
[0024]
When the arc-shaped mold plates 19 and the lower flanges 46 of the linear mold plates 9 are pressed against the arc-shaped peripheral wall surface 18 and the linear peripheral wall surface 22 of the vertical hole 1, the arc-shaped mold holding fluid is used. While the plunger 13 of the pressure cylinder 15 is extended, the first-stage plunger 14 and the second-stage plunger 16 of the fluid pressure cylinder 17 for holding the linear formwork are extended, and the lower flange 46 is moved to the arcuate peripheral wall surface. 18 is brought into pressure contact with the linear peripheral wall surface 22. In this state, after placing the primary lining concrete 7 between the lower flange 46, the respective mold plates 19, 9 and the peripheral wall surface of the upright hole 1, and the lining concrete 7 is cured The arc-shaped and linear mold plates 19 and 9 are removed from the lining concrete 7. When placing the secondary lining concrete 8 on the primary lining concrete 7, the next concrete placing operation is waited for the primary lining concrete 7 to harden. Repeat.
[0025]
In the above description, the arcuate and linear mold plates 19 and 9 are joined by the inclined joint 47 as shown in FIGS. 7 to 9, and the central part of the inner side surface of the linear mold plate 9 is used. And both ends are pushed by the tips of the second stage plungers 16 of the three linear mold holding fluid pressure cylinders 17, and the intermediate part of the inner side surface of the arcuate mold plate 19 has a lock arm 21. When the concrete for lining is placed, the linear mold plate 9 and the arc-shaped mold plate 19 are not bent inward by the concrete pressure, and are cast from the inclined joint portion 47. Concrete will not leak.
[0026]
Next, a second embodiment of the present invention will be described with reference to the drawings.
In FIG. 17 to FIG. 30, in the center portion of the upper frame 2, a position measuring device 41 composed of a telescope for looking through the position display target 42 fixed to the center upper portion of the lifting block 10 is a V-shaped support frame. 23 is fixed. The position measuring device 41 is connected to an eye measurement or monitoring device 24.
[0027]
A steel cylinder 25 having a low height is installed at the upper end of the vertical hole 1, concrete members 26 are placed outside the steel cylinder 25, and the upper frame 2 is provided at four corners of the upper frame 2. Is attached to the concrete member 26. As shown in FIG.
[0028]
The upper portions of the four support ropes 28 are connected to the four corners of the upper frame 2, and the upper portions of the support ropes 28 are suspended from the lower hooks 31 of the crane 30 via the locking rings 29. Thus, the upper frame 2 lifted by the crane 30 via the support rope 28 is placed on the ground 32 on which the vertical hole 1 is excavated.
[0029]
A plurality of lifting 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 upright hole 1 and are fed out from the drums of the plurality of lifting hoisting machines 3. The suspended lower end portions of the plurality of wire ropes 5 and the suspended lower end of the strip 6 fed from the height measuring detector 4 are connected to the elevating block 10. Move up and down inside.
[0030]
As shown in FIG. 23, the vertical hole 1 has a substantially elliptical cross section, and both ends in the longitudinal direction are arcuate circumferential wall surfaces 18, and both sides in the width direction are linear circumferential wall surfaces 22. The elevating block 10 is arranged at the center of the upright hole 1 and movably holds a formwork plate (to be described later) for earth retaining lining, and is constructed by assembling a metal plate into a three-dimensional frame shape. The lifting block body 10a is formed with a central opening 35 that opens in the direction, and the side holding block 10b that is integrally fixed to both side surfaces of the lifting block body 10a.
[0031]
When the concrete plate for lining is placed on the inner peripheral wall of the vertical hole 1, the mold plate is disposed to face the inner peripheral wall of the vertical hole 1. In the present invention, the form plate is divided into a plurality of pieces, and each divided form plate is provided so as to be movable forward and backward by a movable holding means.
[0032]
That is, the mold plates disposed along the two arcuate peripheral wall surfaces 18 at both ends of the upright hole 1 are inserted into the shaft holes 51 of the respective connecting ear pieces 39 (shown in FIGS. 28 and 29). The connecting shaft 20 is rotatably connected to form a pair, and two arcuate mold plates 19 are provided on the left and right. Further, the mold plate disposed along the two linear peripheral wall surfaces 22 of the standing hole 1 is composed of two linear mold plates 9.
[0033]
Each of the mold plates is movably held by the lifting block 10. As a movable holding means for the two sets of left and right arc-shaped mold plates 19, the circular holes 37 formed in the lower longitudinal direction of the left and right side holding blocks 10b are used to hold a two-stage extension type arc-shaped mold frame. A fluid pressure cylinder 15 is inserted and fixed, and a first stage plunger 13a (which also serves as a fluid pressure cylinder) 13a and a second stage plunger 13b are telescopically extendable with respect to the fluid pressure cylinder 15. In addition, a connecting shaft 20 is attached to the tip of the second stage plunger 14 to rotatably connect a pair of arcuate mold plates 19.
[0034]
Further, one end of the lock arm 21 is pivotally connected by a support shaft 38 at a position closer to the tip than the middle of each arc-shaped form plate 19, and the other end of each lock arm 21 is a first stage plunger. It is pivotally connected to the tip of 13a by a support shaft 40.
[0035]
Next, as a movable holding means for the two linear mold plates 9, the linear mold holding fluid pressure cylinders 17 are formed in circular holes 43 formed at both lower portions of the side holding blocks 10 b on both sides of the lifting block 10. Is fixedly inserted, and both ends of the linear mold plate 9 are fixed to the tip of the plunger 16a. Further, a linear mold flexure prevention fluid pressure cylinder 54 is provided in a circular hole 53 formed in the lower part of each side of the elevating block body 10a, and the tip of the plunger 55 extends over the inner side surface of the linear mold plate 9. By pressing, the linear formwork plate 9 is configured not to bend inward by the pressure of the concrete when the lining concrete 7 is placed.
[0036]
Further, the base end portion of the lifting block fixing fluid pressure cylinder 11 is fixed to both sides of the upper portion of the side holding block 10b by welding, and an elastic member made of a rubber material is attached to the distal end portion of the plunger 12 of the fluid pressure cylinder 11. 52 is fixed. Therefore, on both sides of the lifting block 10, a total of four plungers 12 of the lifting block fixing fluid pressure cylinders 11 are extended and the elastic member 12 at the tip thereof is pressed against the linear peripheral wall surface 22 of the vertical hole 1, The elevating block 10 is firmly fixed to the central portion of the vertical hole 1.
[0037]
Furthermore, two circular holes 45 are formed in the vertical direction at the lower portions of the left and right side holding blocks 10b, and a total of four circular holes 45 are formed on the left and right sides. The plunger 33 is inserted and fixed, and can be protruded downward.
[0038]
The central opening 35 (see FIG. 20) of the elevating block main body 10a is provided as a work hole when the linear mold-deflection prevention cylinder 54 is inserted into and fixed to the circular hole 53. Therefore, when these operations are completed, the upper portion of the central opening 35 is closed with, for example, a lid plate 49, the lid plate 49 is fixed to the upper surface of the lifting block main body 10a, and the position display target 42 described above is attached. It may be attached to the upper surface of the lid plate 49.
[0039]
Next, the operation of the apparatus of the present invention will be described.
The elevator hoisting machine 3 is controlled so that the elevator block 10 suspended by the wire rope 5 is lowered to a height position slightly higher than the grounding to the bottom of the upright hole 1. Subsequently, the elevating block posture control fluid pressure cylinder 34 is controlled so that the plunger 33 protrudes downward, and the tip of the elevating block 10 is grounded to the bottom surface 1a of the upright hole 1 having unevenness, thereby making the posture of the elevating block 10 horizontal. Hold on.
[0040]
Subsequently, the elevating block fixing fluid pressure cylinder 11 is controlled, the plunger 12 is extended, and the elastic member 52 at the tip is brought into pressure contact with the linear peripheral wall surface 22 of the upright 1, whereby the elevating block 10 is made upright. 1 is fixed to the center.
[0041]
When the arc-shaped mold plates 19 and the lower flanges 46 of the linear mold plates 9 are pressed against the arc-shaped peripheral wall surface 18 and the linear peripheral wall surface 22 of the vertical hole 1, the arc-shaped mold holding fluid is used. The first stage plunger 13a and the second stage plunger 13b of the pressure cylinder 15 are extended, and the plunger 16a of the fluid pressure cylinder 17 for holding the linear formwork is extended so that the lower flange 46 is connected to the arcuate peripheral wall surface 18. And are brought into pressure contact with the linear peripheral wall surface 22. In this state, after placing the primary lining concrete 7 between the lower flange 46, the respective mold plates 19, 9 and the peripheral wall surface of the upright hole 1, and the lining concrete 7 is cured The arc-shaped and linear mold plates 19 and 9 are removed from the lining concrete 7. When placing the secondary lining concrete 8 on the primary lining concrete 7, the secondary lining concrete 7 waits for the primary lining concrete 7 to harden. Placing concrete for construction.
[0042]
In the above description, the arcuate mold plate 19 and the linear mold plate 9 are removed by the contraction operation of the arcuate mold holding fluid pressure cylinder 15 and the linear mold holding fluid pressure cylinder 17 in FIG. The mold can be removed smoothly by retracting to the position shown.
[0043]
In addition, in the above, the arcuate and linear mold plates 19 and 9 are joined by the inclined joint 47 as shown in FIGS. 23 and 24, and the inner surface of the linear mold plate 9. Is pushed by the tip of the plunger 55 of the linear mold deflection preventing fluid pressure cylinder 54, and the inner surface of the intermediate part of the arcuate mold plate 19 is the first of the arcuate mold holding fluid pressure cylinder 15. Since the step plunger 13a is pushed through the lock arm 21, the linear form plate 9 and the arcuate form plate 19 are not bent inward by the concrete pressure when placing concrete for lining, and The cast concrete does not leak from the inclined joint portion 47.
[0044]
【The invention's effect】
As described above, according to the present invention, the elevating block 10 is fixed to the central portion of the upright 1 by extending the elevating block fixing fluid pressure cylinder 11 in the upright 1 having an elliptical cross section. In addition, the arc-shaped mold plate 19 and the linear mold plate 9 are attached to the arc-shaped peripheral wall surface of the vertical hole 1 by using the arc-shaped mold holding fluid pressure cylinder 15 and the linear mold-holding fluid pressure cylinder 17. 18 and the linear peripheral wall surface 22 are arranged opposite to each other, and a concrete for lining is placed to smoothly cover the peripheral wall surface of the standing hole 1 and can be easily removed from the mold. Therefore, the present invention enables the mechanical construction of the earth retaining cover in the non-circular shaped vertical hole.
[Brief description of the drawings]
FIG. 1 is a partially cutaway longitudinal front view of a state in which a formwork plate of an automatic lining apparatus according to an embodiment of the present invention is advanced.
FIG. 2 is a cross-sectional view taken along line AA in FIG.
3 is a cross-sectional view taken along line BB in FIG.
4 is a cross-sectional view taken along the line CC of FIG.
5 is a cross-sectional view taken along line DD of FIG.
6 is a cross-sectional view taken along line EE of FIG.
FIG. 7 is a plan view of the automatic lining apparatus in a state where the mold plate is advanced.
FIG. 8 is a partial cross-sectional plan view of the automatic lining apparatus in a state in which the formwork plate has advanced.
FIG. 9 is a plan view of the automatic lining apparatus in a state in which the mold plate is retracted.
FIG. 10 is a partially enlarged longitudinal sectional view showing a connection structure between an arc-shaped mold plate and its supporting plunger.
FIG. 11 is an enlarged longitudinal sectional view showing a connection structure between an arc-shaped formwork plate and its lock arm.
12 is an enlarged partial cross-sectional view of an expansion / contraction mechanism of the arcuate mold plate in the state of FIG. 9;
13 is an enlarged partial cross-sectional view of the telescopic mechanism of the arcuate mold plate in the state of FIG. 8;
FIG. 14 is a longitudinal sectional view of a connecting portion of an arcuate mold plate.
FIG. 15 is an explanatory diagram of the inner surface of the connecting portion of the arcuate mold plate.
16 is an enlarged cross-sectional view taken along line FF in FIG. 1. FIG.
FIG. 17 is a partially cutaway longitudinal front view of the automatic lining device according to the second embodiment of the present invention in a state in which the formwork plate has advanced.
18 is a cross-sectional view taken along the line GG of FIG.
19 is a cross-sectional view taken along line HH in FIG.
20 is a cross-sectional view taken along the line II of FIG.
21 is a cross-sectional view taken along the line JJ of FIG.
22 is a view taken along the line KK of FIG. 23 and viewed in the direction of the arrows.
FIG. 23 is a plan view of the automatic lining apparatus in a state where the mold plate has advanced.
FIG. 24 is a partial cross-sectional plan view of the automatic lining apparatus in a state where the mold plate has advanced.
FIG. 25 is a plan view of the automatic lining apparatus in a state where the mold plate is retracted.
26 is an enlarged partial cross-sectional view of the expansion / contraction mechanism of the mold plate in the state of FIG. 25. FIG.
27 is an enlarged partial cross-sectional view of the expansion / contraction mechanism of the mold plate in the state of FIG. 24. FIG.
FIG. 28 is a longitudinal sectional view of a connecting portion of an arcuate mold plate.
FIG. 29 is an explanatory diagram of the inner surface of the connecting portion of the arcuate mold plate.
30 is an enlarged cross-sectional view taken along line LL in FIG.
[Explanation of symbols]
1 Vertical hole
2 Upper frame
3 Hoisting machine for lifting
4 Height measurement detector
5 Wire rope
6 strips
7 Concrete for lining
8 Concrete for lining
9 Straight formwork plate
10 Lifting block
10a Lifting block body
10b Side holding block
11 Fluid pressure cylinder for lifting block fixing
12 Plunger
13 Plunger
13a First plunger
13b Second plunger
14 First stage plunger
15 Fluid pressure cylinder for holding arc formwork
16 Second stage plunger
16a Plunger
17 Linear cylinder holding fluid pressure cylinder
18 Arc-shaped peripheral wall
19 Arc formwork plate
20 connecting shaft
21 Lock arm
21a First refraction arm
21b Second refraction arm
22 Straight circumferential wall
23 Support frame
24 Monitoring device
25 Steel cylinder
26 Concrete members
27 Jack
28 Support rope
29 Locking ring
30 crane
31 Lower hook
32 ground
33 Plunger
34 Fluid Pressure Cylinder for Elevating Block Posture Control
35 Center opening
36 Connecting shaft
37 round hole
38 Support shaft
39 Earpiece for connection
40 spindle
41 Position measuring instrument
42 Target for position display
43 hole
44 Insertion hole
45 hole
46 Lower flange
47 Inclined joint
48 Holder
49 Cover plate
51 Shaft hole
52 Elastic member
53 hole
54 Fluidic cylinder for preventing linear form deflection
55 Plunger

Claims (5)

An elevating hoisting machine 3 and a height measuring detector 4 are fixed to an upper frame 2 fixed to the upper part of a vertical hole 1 having a substantially oval cross section. The wire rope 5 fed from the height measuring detector 4 and each hanging end of the strip 6 are connected to the lifting block 10, and the lifting block fixing fluid pressure cylinder 11 is fixed to the upper part of the lifting block 10. For holding the arcuate formwork having the plunger 12 of the fluid pressure cylinder 11 so that the tip of the plunger 12 is brought into pressure contact with the lining concrete 7 after placement, and having the plunger 13 below the lifting block 10. a fluid pressure cylinder 15 is provided with a linear formwork holding fluid pressure cylinder 17 having a first stage and a second stage plunger 14, 16 which expands and contracts the telescopic, the tip of the plunger 13 of the fluid pressure cylinder 15 A connecting shaft 20 for connecting a pair of arc-shaped mold plates 19 arranged opposite to each other to the arc-shaped peripheral wall surface 18 of the upright hole 1 is attached, and the inside of each arc-shaped mold plate 19 and the lifting block 10 Are connected via a pivot axis by a lock arm 21 composed of first and second refracting arms 21a and 21b having an intermediate portion connected by a connecting shaft 36, and a plunger of the fluid pressure cylinder 17 for holding the linear formwork. An automatic lining apparatus characterized in that a linear formwork plate 9 disposed opposite to a linear peripheral wall surface 22 of a vertical hole 1 is attached to the tip of 16. An elevating hoisting machine 3 and a height measuring detector 4 are fixed to an upper frame 2 fixed to the upper part of a vertical hole 1 having a substantially oval cross section. The hanging ends of the wire rope 5 and strip 6 fed from the height measuring detector 4 are connected to the lifting block 10, and the lifting block fixing fluid pressure cylinder 11 is fixed to the top of the lifting block 10. A first stage and a second stage that telescopically extend below the lifting block 10 are provided so that the tip of the plunger 12 of the fluid pressure cylinder 11 is brought into pressure contact with the concrete 7 for lining after placement. plunger 13a, an arc-shaped formwork holding fluid pressure cylinder 15 having a 13b, and a linear type frame holding fluid pressure cylinder 17 having a plunger 16a provided, the second-stage plunger 1 of the fluid pressure cylinder 15 attaching the connecting shaft 20 for connecting the arcuate mold plate 19 facing arrangement form a pair at the tip of b arcuately circumferential wall 18 of Tatsuana 1, and the inner of each arc-shaped formwork plate 19 The first stage plunger 13a is connected to the first plunger 13a by a lock arm 21 via a pivot, and is arranged opposite to the linear peripheral wall surface 22 of the vertical hole 1 at the tip of the plunger 16a of the linear mold holding fluid pressure cylinder 17. An automatic lining device, wherein a linear formwork plate 9 is attached.   The position measuring target 42 is provided in the upper center position of the raising / lowering block 10, The position measuring device 41 which measures the displacement for peeping into the said position displaying target 42 to the upper frame 2 was fixed. Automatic lining device.   4. A lifting block posture control fluid pressure cylinder 34 is provided on the lifting block 10 so that the plunger 33 expands and contracts downward and the tip can come into contact with the bottom of the vertical hole 1 when extended. Automatic lining device as described.   A linear formwork in which the tip of the plunger 55 can press the inner surface of the linear formwork plate 9 against the lifting block 10 at an intermediate position of the linear formwork holding fluid pressure cylinder 17 arranged at intervals. 5. The automatic lining apparatus according to claim 1, wherein a fluid pressure cylinder for preventing deflection is provided.

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