JP2004225267A - Lining mountng method and lining mounting device for existing horseshoe-shaped water way - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a lining mounting device, by which a lining material for a repair can be carried into an existing water way by a simple device while an upper lining material can be carried in particularly and safely. <P>SOLUTION: The lining mounting device is used for installing the upper lining material 3 for the existing horseshoe-shaped water way 4, and jacks 13 for adjusting a height are secured to a truck 12 travelling in the existing water way 4. A rotating shaft 17 rotatable around the axis of the lining material 3 is supported pivotally to a lifting-lowering supporting member 15 lifted and lowered and moved by the jacks 13. Three expansible fixed arms 19 connected to the arcuate central section of the lining material 3 and arcuate both end sections are fitted to the supporting member 18 fixed onto the shaft 17, and the shaft 17 is turned by a driving means set up on the supporting member 15. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
[Industrial applications]
The present invention relates to a method of installing a lining in an existing waterway when the existing horseshoe-shaped waterway used for water supply, sewerage, industrial water supply, agricultural water supply, etc. is deteriorated. The present invention relates to a lining installation device used for:
[0002]
[Prior art]
Conventionally, as a method of repairing an aging existing horseshoe-shaped channel, a steel lining material with a similar cross section slightly smaller than the inner peripheral wall cross section of the existing horseshoe-shaped channel was previously converted into a lower lining material and an upper lining material. There is a method in which the inner lining material is manufactured by dividing into two parts, and the lower lining material and the upper lining material are carried into the existing horseshoe-shaped waterway to install the lining (for example, see Patent Document 1).
[0003]
The method of lining an existing tunnel (water channel) disclosed in Patent Literature 1 uses a lining material having a similar cross-section slightly smaller than the inner circumference cross-section of the existing tunnel, and previously sets the left and right lower lining materials and the upper lining. It is divided into two parts, and the left and right lower lining materials are supported by moving the left and right lower lining materials toward the center of the existing tunnel by the lining installation device. After being carried into the predetermined position in the tunnel, the left and right lower lining materials are moved toward the lower inner peripheral wall of the existing tunnel, and then the lower ends of the left and right lower lining materials are combined, and then the lining installation device is used. The upper lining material is supported in a state of being moved to the center side of the existing tunnel, and after the upper lining material is carried into a predetermined position in the existing tunnel by the lining installation device, the upper lining material is placed in the upper part of the existing tunnel. Move towards the surrounding wall, then to the left of the upper lining Both sides of the lower portion are those that bind to an upper end portion of the lower lining material of the left and right sides.
[0004]
Further, in the lining installation device for an existing tunnel (water channel) disclosed in Patent Document 1, a bogie traveling in the existing tunnel is provided with a jack for height adjustment which is adjusted in the left and right direction by a screw type position adjustment device. A lower support member is provided at the lower left and right sides of the elevating support member that is moved up and down by the height adjusting jack, and a lower support member that supports a tunnel bottom center end portion of each lower lining material is provided. A support member having a plurality of upper lining material support jacks is detachably mounted on an upper part, and upper and lower ends of a lower lining material and a lower end of the upper lining material are respectively provided at left and right ends of an upper part of the lifting support member. A traction support for pulling and supporting the part is attached.
[0005]
[Patent Document 1]
Japanese Patent Publication No. 3-68200 [0006]
[Problems to be solved by the invention]
However, the method of lining an existing tunnel disclosed in Patent Document 1 has the following problems.
(1) Since the upper lining material is carried into the tunnel with the arc portion facing upward, the upper lining material may move during transportation or installation, and it is also possible to work under the upper lining material So it is not safe.
(2) Since both the lower lining material and the upper lining material use dedicated carts to carry them into the tunnel, the carts are expensive, and it takes time to store and move the carts.
[0007]
The present invention has been made in order to solve the above-described problems of the prior art, and it is possible to carry both a lower lining material and an upper lining material into an existing water channel with a simple device, It is an object of the present invention to provide a lining installation method and an lining installation device for an existing horseshoe-shaped channel that can safely carry a lining material.
[0008]
[Means for Solving the Problems]
The method for lining an existing horseshoe-shaped channel according to the present invention is characterized in that a lining material having a similar cross section slightly smaller than the inner peripheral wall section of the existing horseshoe-shaped channel is divided into a lower lining material and an upper lining material in advance. A method of installing the lower lining material and the upper lining material into the existing horseshoe-shaped waterway by installing the lining, and installing the lining by the following steps (a) to (n). is there.
(A) Leveling is performed so that a predetermined space is formed between the bottom surface of the existing horseshoe channel and the lower lining material.
(B) A transfer roller is attached to the tip of the lower lining material, and the lower lining material is pushed into the existing horseshoe-shaped channel while the rear end of the lower lining material is supported from below by a battery car. Carry in position.
(C) The lower lining material carried to a predetermined position in the existing horseshoe-shaped waterway is jacked up, the transfer roller and the battery car are removed, and the leveler is taken out and installed.
(D) Adjust the installation position of the installed lower lining material, adjust the groove between adjacent lower lining materials, and then temporarily attach the groove.
(E) Welding of the joint between adjacent lower lining materials.
(F) The above (a) to (e) are repeated until the total extension of the connected lower lining material reaches a certain length.
(G) Grout is injected into the gap between the existing horseshoe channel and the lower lining to fix the lower lining.
(H) The arc portion of the upper lining material is turned downward, a transfer roller is attached to the tip of the upper lining material, and the rear end of the upper lining material is supported from below by a battery car. The upholstery is pushed into the existing horseshoe-shaped channel and carried to a predetermined position.
(I) Jack up the upper lining material carried to a predetermined position in the existing horseshoe-shaped waterway, and remove the transport roller and the battery car.
(J) Rotating means for rotating the upper lining material are attached to both ends of the upper lining material.
(K) The upper lining material is rotated by the rotating means until a predetermined posture is attained, and the jack portion provided on the rotating means is operated to adjust the height of the upper lining material to the joining height with the lower lining material. At the same time, the jack portion is also operated to adjust the horizontal connection position of the upper lining material, and after the groove is aligned with the lower lining material, the groove is temporarily attached.
(L) Weld the joint between the lower lining material and the upper lining material and the joint between the adjacent upper lining materials.
(M) The above (h) to (l) are repeated until the total extension of the connected upper lining material is the same as the total extension of the connected lower lining material.
(N) Grout is injected into the gap between the existing horseshoe channel and the upper lining material to fix the upper lining material.
[0009]
Further, the lining installation device for an existing horseshoe-shaped channel according to the present invention is the lining installation device used for installing the upper lining material in the above-described method for installing the existing horseshoe-shaped channel, and runs in the existing water channel. A height adjusting jack is provided on the bogie, and a lifting shaft which is moved up and down by the height adjusting jack is supported by a rotating shaft rotatable around the axis of the upper lining material. The support member fixed to the upper lining is provided with three extensible fixed arms connected to the center of the arc of the upper lining material and both ends of the arc, and the rotating shaft is mounted on the elevating support member. Is rotated by the driving means provided in the first position.
[0010]
In the method for installing an existing horseshoe-shaped waterway according to the present invention, when both the lower lining material and the upper lining material are to be carried into the waterway, only the transport roller and the battery car connected to the distal end are used. No special loading cart is required.
[0011]
Therefore, there is no cost for the cart, and there is no trouble in storing and moving the cart.
[0012]
In addition, the upper lining material is carried into the tunnel with the arc portion downward, and the arc portion is directed upward using the existing horseshoe-shaped channel lining installation device according to the present invention. There is no danger of the upper lining moving during installation and there is no need to work under the upper lining, so it can be carried in safely.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view of a lining material used in the method of lining an existing horseshoe-shaped channel according to the present invention. This lining material 1 has a similar cross section slightly smaller than the inner peripheral wall cross section of the existing horseshoe-shaped waterway 4, and is manufactured in advance by dividing it into two parts, a lower lining material 2 and an upper lining material 3. .
[0014]
Next, an embodiment of a method for installing a lining of an existing horseshoe-shaped waterway of the present invention using the lower lining material 2 and the upper lining material 3 will be described step by step.
[0015]
2 to 6 are views showing the procedure of the method of lining an existing horseshoe channel according to the present invention.
(A) As shown in the channel cross-sectional view of FIG. 2, mortar and flat steel are used so that a predetermined space is formed between the bottom surface 4 a of the existing horseshoe channel 4 and the lower lining material 2. A receiving seat 5 for the lower lining material 2 is provided.
(B) As shown in FIGS. 3 (a) and 3 (b), a transfer roller 6 is attached to the front end 2a of the lower lining material 2 and the rear end 2b of the lower lining material 2 is mounted with a battery car 7. The lower lining material 2 is pushed into the existing horseshoe-shaped waterway 4 and is transported to a predetermined position while supporting from below.
As shown in FIG. 4, the transport roller 6 comprises a roller main body 6a, a rotating shaft 6b and a rotating shaft supporting member 6c, and the rotating shaft supporting member 6c is inserted into the lower lining material 2. , And is fixed to the lower lining material 2 with bolts 8. Therefore, the transport roller 6 can be easily attached to and detached from the lower lining material 2.
Also, the lower lining material 2 is opened using the lever block 9 or the like so that the upper end portions on both sides of the lower lining material 2 are opened outward so that the lower lining material 2 does not become difficult to carry into the existing horseshoe-shaped waterway 4. It is preferable to reduce the diameter of the lining material 2.
(C) The lower lining material 2 carried to a predetermined position in the existing horseshoe-shaped waterway 4 is jacked up, the transfer roller 6 and the battery car 7 are removed, and the leveled receiver is taken out. 5 Install on top.
(D) Adjust the installation position of the installed lower lining material 2 and adjust the groove between adjacent lower lining materials 2 and then temporarily attach the groove.
(E) Welding of the joint between the adjacent lower lining members 2 is performed. After the welding, an ultrasonic inspection test is performed on the welded portion to confirm that there is no abnormality in the welded portion.
(F) The above (a) to (e) are repeated until the total extension of the connected lower lining material 2 becomes a fixed length.
(G) Grout is injected into the gap between the existing horseshoe-shaped channel 4 and the lower lining material 2 to fix the lower lining material 2.
(H) As shown in FIGS. 5 (a) and 5 (b), the arc portion of the upper lining material 3 is turned downward, the transport roller 6 is attached to the tip 3a of the upper lining material 3, and While supporting the rear end 3b of the upper lining material 3 from below at -7, the upper lining material 3 is pushed into the existing horseshoe-shaped waterway 4 and carried into a predetermined position. When the upper lining material 3 is carried into the existing horseshoe-shaped waterway 4, the lower lining material 2 is installed over a certain length, so that the upper lining material 3 passes over the lower lining material 2. Can be easily carried in.
Also in this case, the lever block 9 or the like is used so that the upper end portions on both sides of the upper lining material 3 are opened outward so that it is not difficult to carry the upper lining material 3 into the existing horseshoe-shaped waterway 4. The diameter of the upper lining material 3 may be reduced.
(I) Jack up the upper lining material 3 which has been carried in to a predetermined position in the existing horseshoe-shaped waterway 4 and remove the transfer roller 6 and the battery car 7.
(J) As shown in FIGS. 6A and 6B, rotating machines 10 for rotating the upper lining material 3 are arranged at both ends of the upper lining material 3, and a rotating shaft 10 a of the rotating machine 10 is provided. Are connected to the inner surfaces of the end portions of the upper lining material 3. The connection positions of the fixed arm 10b are the center of the arc of the upper lining material 3 and both ends of the arc.
(K) As shown in FIGS. 7 (a) and 7 (b), the upper lining material 3 is rotated by the rotating machine 10 until it reaches a predetermined posture, and the jack 10c provided on the rotating machine 10 is operated. Then, while adjusting the height of the upper lining material 3 to the joining height with the lower lining material 2, the jack 10 d is also operated to adjust the horizontal connection position of the upper lining material 3, and the lower lining material is adjusted. After aligning the groove with the material 2, the groove is temporarily attached.
(L) Weld the joint between the lower lining member 2 and the upper lining member 3 and the joint between the adjacent upper lining members 3.
(M) The above (h) to (l) are repeated until the total extension of the connected upper lining material 3 becomes the same as the total extension of the connected lower lining material 2.
(N) Grout is injected into a gap between the existing horseshoe channel 4 and the upper lining material 3 to fix the upper lining material 3.
[0016]
Next, an embodiment of the lining installation device for an existing horseshoe-shaped channel according to the present invention will be described with reference to FIGS. 8 and 9. 8 is a front view of the lining installation device, and FIG. 9 is a side view of the lining installation device.
[0017]
The lining installation device reverses the upper lining material 3 which has been brought into a predetermined position in the existing horseshoe-shaped water channel 1 with the arc portion facing downward by the transfer roller 6 and the battery car 7. The upper part of the upper lining member 3 is provided one at each end of the upper lining member 3 so that the arc portion is directed upward and the groove is aligned with the lower lining member 2 previously installed. Is done.
[0018]
The lining installation device includes a bogie 12 running on a lower lining material 2 installed in an existing waterway by wheels 11, a height adjusting jack 13 provided on the bogie 12, and a height adjusting jack. The lifting support member 15 that moves up and down while being guided by the lifting guide rod 14 by the lift 13, and a rotation that is rotatably supported on the lifting support member 15 through a bearing 16 around the axis of the upper lining material 3. A shaft 17, a supporting member 18 fixed to the rotating shaft 17, and three expansion / contraction parts connected to the center 3 a of the arc of the upper lining member 3 provided on the supporting member 18 and both ends 3 b and 3 c of the arc. A possible fixed arm 19, a handle 20 provided on the elevating support member 15 for rotating the rotary shaft 17, a worm speed reducer 21 operated by operating the handle 20, a worm speed reducer Shaft of machine 21 For fixing the sprocket wheels 22a and 22b provided on the rotary shaft 17, the chain 23 wound between the sprocket wheels 22a and 22b, and the truck 12 on the lower lining material 2. And a clamp 24.
[0019]
The liner installation device will be described in more detail. Fixing pieces 25 are provided at connection points 3a, 3b and 3c of the upper liner 3 to which the three extendable fixing arms 19 are fixed. Welded. Then, the bolt holes provided in the fixing piece 25 and the bolt holes provided in the tip of the fixing arm 19 are aligned, and the fixing piece 25 and the fixing arm 19 are connected by the bolt 26. You.
[0020]
A screw is provided at the tip of the fixed arm 19, and the length of the fixed arm 19 can be adjusted by rotating the tip.
[0021]
Therefore, by adjusting the length of the three fixing arms 19, not only the connection with the fixing piece 25 as described above, but also the position of the upper lining material 3 in the vertical direction and the horizontal position. Can be adjusted, so that the groove with the lower lining material 2 can be easily adjusted.
[0022]
In addition, the upper lining material 3 finally rotates the rotating shaft 17 so that the center portion 3a of the arc faces upward. At that time, the lower lining material 2 is fixed to the lower lining material 2 so that the carriage 12 does not move. The fixing piece 27 is welded, and the fixing piece 27 and the clamp 24 provided on the carriage 12 are connected.
[0023]
【The invention's effect】
According to the present invention, both the lower lining material and the upper lining material can be carried into the existing water channel by a simple device, and the upper lining material can be safely carried in.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a lining material used in the method of lining an existing horseshoe-shaped channel according to the present invention.
FIG. 2 is a cross-sectional view showing that a receiving seat for a lower lining material is provided inside the waterway in the method for lining an existing horseshoe-shaped waterway according to the present invention.
FIG. 3 is a view showing that a lower lining material is carried by a transport roller and a battery car in the method of installing an existing horseshoe-shaped waterway according to the present invention, and (a) is a side view. (B) is a view on arrow AA of (a). It is.
FIG. 4 is a side view showing the structure of a transport roller.
FIG. 5 is a view showing that an upper lining material is carried by a transport roller and a battery car in the method of installing an existing horseshoe-shaped waterway according to the present invention, and (a) is a side view. (B) is a view on arrow B-B of (a).
FIG. 6 is a view showing that a rotating machine for rotating the upper lining material is disposed at both ends of the upper lining material in the method for installing an existing horseshoe-shaped waterway according to the present invention, and FIG. FIG. 2B is a view taken along the line CC of FIG.
FIGS. 7A and 7B are diagrams in which an upper lining material is rotated by a rotating machine in the method for installing an existing horseshoe-shaped waterway according to the present invention, wherein FIG. 7A is a side view, and FIG. It is an arrow view.
FIG. 8 is a front view of the existing horseshoe-shaped waterway lining installation apparatus of the present invention.
FIG. 9 is a side view of the existing horseshoe-shaped waterway lining installation apparatus of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Lining material 2 Lower lining material 3 Upper lining material 4 Existing horseshoe-shaped waterway 5 Receiving seat 6 Roller for conveyance 7 Battery car
Reference Signs List 8 bolt 9 lever block 10 rotating machine 10a rotating shaft 10b fixed arm 10c, 10d jack portion 11 wheel 12 trolley 13 height adjusting jack 14 lifting guide rod 15 lifting supporting member 16 bearing 17 rotating shaft 18 supporting member 19 fixing arm 20 Handle 21 Worm reducer 22a 22b Sprocket wheel 23 Chain 24 Clamp 25 Fixing piece 26 Bolt 27 Fixing piece

Claims (2)

A lining material of a similar cross section slightly smaller than the inner peripheral wall cross section of the existing horseshoe-shaped channel is divided in advance into a lower lining material and an upper lining material, and the lower lining material and the upper lining material are manufactured. A method for carrying an existing horseshoe-shaped waterway into the existing horseshoe-shaped waterway and installing the lining by the following steps (a) to (k).
(A) Leveling is performed so that a predetermined space is formed between the bottom surface of the existing horseshoe channel and the lower lining material.
(B) A transfer roller is attached to the tip of the lower lining material, and the lower lining material is pushed into the existing horseshoe-shaped channel while the rear end of the lower lining material is supported from below by a battery car. Carry in position.
(C) The lower lining material carried to a predetermined position in the existing horseshoe-shaped waterway is jacked up, the transfer roller and the battery car are removed, and the leveler is taken out and installed.
(D) Adjust the installation position of the installed lower lining material, adjust the groove between adjacent lower lining materials, and then temporarily attach the groove.
(E) Welding of the joint between adjacent lower lining materials.
(F) The above (a) to (e) are repeated until the total extension of the connected lower lining material reaches a certain length.
(G) Grout is injected into the gap between the existing horseshoe channel and the lower lining to fix the lower lining.
(H) The arc portion of the upper lining material is turned downward, a transfer roller is attached to the tip of the upper lining material, and the rear end of the upper lining material is supported from below by a battery car. The upholstery is pushed into the existing horseshoe-shaped channel and carried to a predetermined position.
(I) Jack up the upper lining material carried to a predetermined position in the existing horseshoe-shaped waterway, and remove the transport roller and the battery car.
(J) Rotating means for rotating the upper lining material are attached to both ends of the upper lining material.
(K) The upper lining material is rotated by the rotating means until a predetermined posture is attained, and the jack portion provided on the rotating means is operated to adjust the height of the upper lining material to the joining height with the lower lining material. At the same time, the jack portion is also operated to adjust the horizontal connection position of the upper lining material, and after the groove is aligned with the lower lining material, the groove is temporarily attached.
(L) Weld the joint between the lower lining material and the upper lining material and the joint between the adjacent upper lining materials.
(M) The above (h) to (l) are repeated until the total extension of the connected upper lining material is the same as the total extension of the connected lower lining material.
(N) Grout is injected into the gap between the existing horseshoe channel and the upper lining material to fix the upper lining material. The method for installing a lining of an existing horseshoe-shaped channel according to claim 1, which is a lining installation device used for setting an upper lining material, wherein a bogie traveling in the existing channel is provided with a jack for height adjustment, A rotating shaft rotatable around the axis of the upper lining material is supported on the elevating support member moved up and down by the height adjusting jack, and the supporting member fixed to the rotating shaft has an upper lining. There are provided three extendable fixed arms connected to the arc center of the material and both ends of the arc, and the rotating shaft is rotated by driving means provided on the elevating support member. A feature of the existing horseshoe-shaped canal lining installation.

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