JP3056682B2 - Apparatus for removing form-adhered concrete, kelen member for removing form-applied concrete - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for removing a form-adhering concrete, and a kelen member for removing a form-adhering concrete.

[0002]

2. Description of the Related Art In tunnel lining work, for example, a cylindrical form (centre) is fixed in a tunnel and a concrete is cast in an annular space between the outer peripheral surface of the form and the inner surface of the tunnel. It has become. When the tunnel lining work in that section is completed, the formwork is reduced in diameter and proceeded to the next adjacent section, where the formwork is expanded again and the same work as above is performed. Has become.

When the formwork is advanced to the next section after finishing the tunnel lining work in one section, concrete adheres to the outer peripheral surface of the formwork, and the tunnel lining is performed in the next section. Before the construction work, it is necessary to remove the concrete on the outer peripheral surface of the formwork. For this reason, in order to remove such concrete on the outer peripheral surface of the formwork,
After the formwork is advanced to the next section and before the tunnel lining work is performed in the next section, conventionally, a concrete removing device (a so-called Keren device) for removing the concrete adhering to the formwork is used. G. Removal work (so-called Keren work) is to be performed. As a method of removing the form-adhering concrete, generally, a rope as a keel member is provided on the outer peripheral surface of the form in an endless manner in the circumferential direction, and the roll is removed.
By sliding the mold in the circumferential direction of the formwork, the concrete on the outer peripheral surface of the formwork is scraped off with the rope, and when the work at the work place is completed, the work is shifted in the extending direction of the formwork. At a new work location, the above work is to be performed again.

[0004]

However, in the above method of removing the concrete adhering to the mold, the concrete on the outer peripheral surface of the mold is precisely scraped off by scraping the concrete on the outer peripheral surface of the mold with the rope itself. Not only cannot the concrete be scraped off, but the rope is also rubbed during the work of removing the adhered concrete, so
Is easy to tear.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and a first object of the present invention is to allow concrete on the outer peripheral surface of a form to be accurately scraped off, and that a keel member is easily broken. The object of the present invention is to provide an apparatus for removing a concrete adhering to a mold. A second object of the present invention is to provide a mold removing member which is capable of accurately scraping off the concrete on the outer peripheral surface of the mold and which is not easily broken.

[0006]

In order to achieve the first object, according to the first aspect of the present invention, there is provided a keren member in which a brush material is attached to an outer peripheral side of a long flexible core material; A first driving force applying unit that applies a driving force to move the mold in the direction in which the mold extends along the outer peripheral surface of the mold; and the outer peripheral surface of the mold to the keren member. A second driving force applying means for applying a driving force for generating a frictional force between, and a contact state adjusting means for adjusting a contact state of the keelen member with an outer peripheral surface of the formwork, An apparatus for removing a form-adhered concrete, wherein the second driving force applying means is set so as to apply a driving force for rotating the Keren member about the axis of the Keren member. There is a configuration.

[0007] To achieve the first object, a second aspect is provided.
In the invention, the contact state adjusting means is set so as to press the keel member against the outer peripheral surface of the mold, and the second driving force applying means is provided with the first driving means. It is configured so as to also serve as a force applying means.

[0008] To achieve the first object, a third aspect is provided.
In the invention of claim 1, the contact state adjusting means according to claim 1, wherein the contact state adjusting means has a lighter contact state than a case where the kelen member is pressed against the outer peripheral surface of the mold frame. It is set so as to be brought into contact, and the Keren member is configured to be rotated while sliding while coming into contact with the outer peripheral surface of the formwork.

[0009] In order to achieve the first object, a fourth aspect is provided.
According to the third aspect of the present invention, in the third aspect, the first driving force applying means is configured to be a vibration force applying means for generating a vibration for moving the Keren member in the extending direction of the mold.

[0010] In order to achieve the second object, a fifth aspect is provided.
In the invention of the above, a long flexible core material and a brush material attached to the outer peripheral side of the core material are provided, and the long flexible core material is formed in a coil shape. An extension metal core member is used as a structure for removing the form-adhering concrete.

[0011]

According to the first aspect of the present invention, since the core material has flexibility, the kelen member has flexibility. Even a concrete casting mold having a cross-sectional shape can be arranged along the circumferential direction of the mold on the outer peripheral surface thereof, and the mold-adhering concrete is removed by using the Keren member. Work can be done. On the other hand, the brush material rotates around the axis of the keel member while contacting the outer peripheral surface of the mold, and the core material itself does not directly contact the outer peripheral surface of the mold. In the removal work of
The brush material accurately scrapes the concrete adhered to the formwork, protects the core material, and prevents breakage of the kelen member. For this reason, the concrete on the outer peripheral surface of the mold can be accurately scraped off, and the apparatus for removing the concrete adhering to the mold can be provided without the Keren member being easily broken.

Further, contact state adjusting means for adjusting the contact state of the keel member with the outer peripheral surface of the mold is provided, and the second driving force applying means rotates the keel member about the axis of the keel member. Therefore, it is possible to appropriately apply an appropriate frictional force (rubbing force) to the concrete adhered to the formwork based on the rotation of the Keren member.

According to the second aspect of the present invention, the contact state adjusting means is set so as to press the helical member against the outer peripheral surface of the mold, and the second driving force applying means also functions as the first driving force applying means. Therefore, when the brush material is pressed or moved from the pressed state to the non-pressed state when the brush material is pressed, the frictional force is based on the restoring force of the brush material bent at the time of pressing or the force to be restored. The adhesive concrete is applied to the adhesive concrete to remove the adhesive concrete, while the elastic member itself is rolled based on the rotation of the elastic member in a pressed state, and the movement is ensured. become. Therefore, in the work of removing the adhered concrete,
By using the second driving force applying means also as the first driving force applying means, the number of separate and independent driving means can be reduced.

According to the third aspect of the present invention, the first driving force applying means moves the Keren member in the extending direction of the mold while the contact state adjusting means moves the Keren member with respect to the outer peripheral surface of the mold. Is set so as to be brought into contact with a lighter contact state than in the case of being pressed against the outer peripheral surface of the formwork, and the Keren member comes into contact with the outer peripheral surface of the formwork, but also rotates while sliding. (Referred to as slip rotation), the frictional force based on the slip rotation of the Keren member is applied to the concrete attached to the formwork, and the concrete can be removed.

According to the fourth aspect of the present invention, since the first driving force applying means is a vibration force applying means for generating a vibration for moving the Keren member in the extending direction of the mold, the first driving force applying means is provided. The vibration applied by the force applying means is used not only for moving the helmet member but also for applying an effective external force to the concrete adhered to the mold, and the outer periphery of the mold is used. Combined with the frictional force based on the slip of the keel member against the surface, the ability to remove the concrete adhering to the mold can be further enhanced.

According to the fifth aspect of the present invention, since the Keren member includes a long coil-shaped core material and a brush material attached to the outer peripheral side of the core material, the core material has Based on the flexibility, it can easily follow the outer peripheral surface of the mold, and based on the brush material, the concrete attached to the mold is
Thus, an accurate frictional force (rubbing force) can be given to the core and the core material can be protected. For this reason, the concrete on the outer peripheral surface of the mold can be scraped off properly, and a Keren member for removing the concrete adhering to the mold can be provided which can be prevented from being easily broken. Moreover, by making the core material made of metal, it is possible to improve the durability of the Keren member by utilizing its strong strength.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below. Before describing a method for removing a form-adhering concrete according to the embodiment, a form-adhering concrete used for carrying out the method will be described. A description will now be given of a sheet removing device and a mold removing member for removing a form-adhering concrete.

In FIG. 1, reference numeral 1 denotes a concrete casting form (centre) supported by a support mechanism (not shown) in the tunnel T. The form 1 has, for example, a substantially horseshoe cross section. It extends in one direction. As is known, when the tunnel lining work is completed in a certain construction section, the formwork 1 is to be reduced in diameter to be advanced to the next adjacent construction section.

On the outer peripheral surface of the form 1, after the tunnel lining work in one construction section is completed, when the next construction section is transferred, the adhering concrete on the outer peripheral surface of the form 1 is placed. 1 and 2, as shown in FIGS. 1 and 2, an apparatus for removing a concrete adhering to a formwork (so-called Keren device).
Is arranged. A device 2 for removing the form-adhering concrete
A vibrator B as a first driving force applying means; a motor 30 as a second driving force applying means;
The components 3, 4, B, and 30 function effectively to exhibit the function (kernel function) as the mold removing concrete removing device 2.

The Keren member holder 3 is carried into the outer periphery of one end of the mold 1 from outside the one end thereof, and is movable on the outer peripheral surface of the mold 1 in the extending direction X of the mold 1. Figure 1
5, a pair of outer frame members 5, a plurality of pairs of connecting members 6 for connecting the pair of outer frame members 5, and a plurality of wheels 7 are provided. The pair of outer frame members 5 are arranged in parallel with a certain interval in the extending direction X of the mold 1.
In the present embodiment, the outer frame members 5 have a slightly larger horseshoe-shaped cross section corresponding to the mold 1.
Are spaced from the outer peripheral surface by a certain distance in the circumferential direction of the mold 1. The plurality of pairs of connecting members 6 are disposed at predetermined intervals in the circumferential direction of the pair of outer frame members 5, and the pair of connecting members 6 in each pair are provided.
Are also spaced at regular intervals in the circumferential direction of the outer frame member 5.
As shown in FIGS. 3 and 4, the plurality of wheels 7 are rotatably supported by a pair of connecting members 6 in some of the plurality of sets via a support mechanism 8. In FIG. 2, the plurality of wheels 7 are symmetrically arranged as shown in FIG. 2 and, as shown in FIG. ing. As is clear from FIG. 2, the wheels 7 are arranged such that their rotation axes extend in the tangential direction of the mold 1, and the rotation direction of each wheel 7 is determined. Thereby, the Keren member holder 3 can move only in the extending direction X of the mold 1 and cannot move in the circumferential direction of the mold 1.

FIGS. 1 to 3 and FIGS.
As shown in FIG. 7, on the inner peripheral side of the Keren member holding body 3, the Keren member holding body 3 is disposed so as to contact the outer peripheral surface of the mold 1 over the entire circumferential direction of the Keren member holding body 3. In the present embodiment, the Keren member 4 is shown in FIGS.
As shown in FIG. 7 to FIG. 7, it has a plurality of Keren member elements 31 (in FIG.
1 is shown, but the Keren member element 31 is appropriately provided),
Each of the Keren member elements 31 is to be connected via a connecting tool 32.
A core material 33 and a brush material 34 are provided. Core material 33
Is formed in a coil shape with metal, and the coil-shaped core material 33 extends in the axial direction of the coil-shaped core material 33 so as to take a part of the circumferential length of the mold 1. Has been extended. Thus, the core 33 has flexibility and can be flexed freely. Further, the coil-shaped core material 33 has a through-hole cross-sectional shape inside thereof that is circular on the axially inner side,
As shown in FIG. 7, the end connected via the connecting tool 32 has a non-circular shape (a semi-circular shape in the present embodiment).

The brush member 34 is formed of the above-mentioned coiled core member 33.
It is attached by being sandwiched by a groove-shaped holding portion (not shown) formed over the entire outer peripheral surface of the core member 33, and is planted with a certain thickness width from the outer peripheral surface of the core material 33. Thus, the brush material 34 is formed in a coil shape corresponding to the coil shape of the core material 33.

As shown in FIG. 6, the connecting member 32 includes an outer race 35 and an inner race 36 housed in the outer race 35.
Is rotatable relative to the outer race 35. The inner shaft 36 of the connecting tool 32 includes a connecting shaft 3
7 are fitted so as to be relatively non-rotatable, and the connecting shaft 37 protrudes outward from both axial sides of the connecting tool 32. As shown in FIG. 7, both protruding ends of the connection shaft 37 are formed so that the cross section of the front end is a non-circular semicircle, and the both protruding ends of the connection shaft 37 are connected to each other. Through hole of the torrent member element 31 to be made (through hole of the core material)
Press-fit. Thereby, the connecting shaft 37 cannot rotate relative to the Keren member element 31 to be connected in the rotation direction about the axis of the Keren member element 31, and the axial direction of the Keren member element 31 is not possible. In, relative displacement is not possible. In addition, as shown in FIGS. 5, 6, and 8, a shaft rod 10 is provided on the upper portion of each of the coupling tools 32 so as to extend radially outward of the kelen member holder 3. A brush member 38 is provided below each connecting tool 32.

As shown in FIGS. 5 and 8, the keel member 4 is attached to the keel member holder 3 via an attachment mechanism 11. The mounting mechanism 11 has a plurality of mounting portions 11a and a support cylinder 11b fixed to each of the mounting portions 11a. The plurality of mounting portions 11a are appropriately arranged in the circumferential direction of the keel member holder 3 in correspondence with the shaft 10 of each of the connecting tools (shown only in FIGS. 2 and 5; Each of the mounting portions 11a connects the pair of outer frame members 5 using the space between the pair of connecting members 6 in each set as shown in FIGS. ing. Each support cylinder 11b
Is provided with through-holes 12 such that the axis is perpendicular to the outer peripheral surface of the mold 1. In each of the through-holes 12, the above-described shaft rod 10 is slidably penetrated. I have. The outer end of each shaft 10 extends outside the support cylinder 11b, and a nut 13 is screwed into each of the extended outer ends. The nut 13 cooperates with the outer surface of the support cylinder 11b. It works and acts as a stopper. still,
In the present embodiment, the connecting member 32 is also connected to one end (the left end in FIG. 2) in the extending direction of the Keren member 4 based on the above-described configuration, and the connecting member 32 is also connected to the mounting mechanism 1.
1 is attached to the Keren member holder 3 (FIG. 2).
reference).

On the other hand, a coil spring 14 is interposed between each connecting member 32 and each support cylinder 11b, as shown in FIG. The coil spring 14 urges the nut 13 in a direction for seating the nut 13 on the outer surface of the support cylinder 11b, whereby each connecting member 32 moves inward from the inner surface (lower surface) of the support cylinder 11b toward the mold 1 inward. Separated by a certain distance,
The Keren member 4 is to be in contact with the outer peripheral surface of the mold 1 over the entire circumferential direction. In addition, by adjusting the screwing of the nut 13, the height of the helical member 4 with respect to the outer peripheral surface of the mold 1 and the biasing force when the helical member 4 abuts on the outer peripheral surface of the mold 1 are adjusted.

The vibrator B is shown in FIGS.
As shown in FIG. 2, the pair of connecting members 6 on which the wheels 7 are not provided are mounted via a mounting frame 15 in a symmetric arrangement (see FIG. 2). In the present embodiment, as shown in FIG. 9, a known vibrator B having fan-shaped eccentric weights 17 attached to both ends of a drive shaft 16 is used. Force vibration is to be obtained. Mounting frame 15
As shown in FIGS. 11 and 12, two types are prepared according to the inclination direction of the mounting lower surface (see also FIGS. 1 and 2). Mounting lower surface 18a of one mounting frame 18
Means that the front part (the left part in FIG. 11) is the rear part (FIG. 11).
(Middle, right), and the lower surface 19a of the other mounting frame 19 is
8, the front (left in FIG. 12) of the mounting lower surface 19a is opposite to the mounting lower surface 19a.
a is inclined to be higher than the rear part (the right part in FIG. 12). Then, such two types of mounting frames 15 are provided.
A vibrator B is fixed to each of the mounting lower surfaces 18a (19a) of (18, 19), and each vibrator B (the extending direction of the drive shaft 16 of the vibrator B) is
As shown in FIG. 11 and FIG.
In accordance with (19a), they are inclined. By operating either of the vibrators B in the mounting frame 18 or 19, the radial force of the mold 1 and the mold 1 based on the centrifugal force F of each vibrator B are used. , And the keel member 4 and the keel member holder 3 can move to the other end side or one end side of the mold 1 while vibrating.

Specifically, the above-mentioned contents are applied to one of the mounting frames 1.
Using the vibrator B in FIG. 8 (of FIG. 11), a state that is most easily understood will be described with reference to FIGS. In this case, the drive shaft 16 of the vibrator B is inclined by lowering the other end side (the left side in FIG. 9) of the mold 1 and the centrifugal force F by the fan-shaped eccentric weight 17 is obtained.
Will form a centrifugal force circle C in a state where the upper side is inclined toward the other end of the mold 1 with the drive shaft 16 as the center. Therefore, in the upper Cu of the centrifugal force circle C, the centrifugal force Fu
When (= F) is generated, as is apparent from FIG. 9, as the component of the centrifugal force Fu, together with the component Fu1 radially outward of the mold 1, the other end side of the mold is used. Fu2
Will be taken out. On the other hand, in the lower part Cd of the centrifugal force circle C, as shown in FIG.
When u) is generated, as shown in FIG. 10, the centrifugal force Fd generates a component force Fd2 toward one end of the mold 1, but at the same time, the centrifugal force Fd causes the radial direction of the mold 1 to change. An inward component force Fd1 is also generated, and the component force Fd1 increases the frictional force on the outer peripheral surface of the mold 1 and suppresses the movement of the Keren member 4 and the Keren member holding body 3 toward one end. Will be. Therefore, one of the mounting frames 18
When the vibrator B is operated, the keel member 4 and the keel member holder 3 are subjected to the centrifugal force F (Fu, F
Based on d), the entirety moves to the other end (the left direction in FIG. 11) of the mold 1 while vibrating. When the vibrator B in the other mounting frame 19 is operated in the same manner, the vibrator B in the other mounting frame 19 is analyzed.
In addition, the viscous member holder 3 moves as a whole toward one end (rightward in FIG. 12) of the mold 1 while vibrating based on the centrifugal force F (Fu, Fd).

The vibrator B on the one mounting frame 18 and the vibrator B on the other mounting frame 19
Is to be selectively driven. For this reason, by combining a switch or a sensor and a control device (not shown) with the control device, it is possible to manually or automatically switch to any of the vibrators B as well as stop the driving.

As shown in FIG. 2, the motor 30 is attached to the other end (the right end in FIG. 2) of the Keren member holder 3 in the extending direction. The rotation axis of the motor 30 is directed to the end of the keel member 4, and the rotation axis of the motor 30 is adjusted based on the press-fit relationship shown in FIG. The hole is pressed into the hole so that it cannot rotate relatively. Thereby, based on the rotational force of the motor 30, each Keren member element 31 rotates integrally about each axis. The motor 30
The driving force (rotational force) is to apply a frictional force (rubbing force) to the adhesive concrete by causing the keel member 4 to slip and rotate with respect to the outer peripheral surface of the mold 1, and the adhesive force is applied by the frictional force. It is used to remove the concrete, and therefore, the rotation direction and the rotation speed of the motor 30 are determined in consideration of various conditions such as the moving speed of the Keren member holder 3 based on the vibrator B. It is to be determined in terms of effective removal of the adhering concrete.

In this embodiment, FIGS.
As shown in FIG. 13, a backup drive motor 20 is mounted on the kelen member holder 3 at the top. The drive motor 20 is connected to the wheels 7 of the wheels 7 which are positioned adjacent to both sides in the circumferential direction of the keel member holder 3 via a drive shaft 21, a universal joint 22, and the like. When the vibrator B is out of order, the driving force of the driving motor 20 is transmitted to each of the wheels 7, and based on the driving force of the driving motor 20, through a wheel 7, a keel member is provided. The holding body 3 can move on the outer peripheral surface of the mold 1 in the axial direction of the mold 1.

Next, a method of removing the form-adhering concrete according to the present embodiment using the above-described apparatus 2 for removing the form-adhering concrete will be described.

After finishing the tunnel lining work in a construction section,
When the formwork 1 is advanced to the next adjacent section, as shown in FIG. 1, one end of the formwork 1 is placed on the outer peripheral surface of one end of the formwork 1 from the axial center outside (for example, the wife side). The mold removing concrete removing device 2 is carried in. Thereafter, the vibrator B in one of the mounting frames 18 is operated, and the motor 30 (see FIG. 2) is driven. As a result, based on the vibration of the vibrator B in one of the mounting frames 18, the Keren member 4 and the Keren member holder 3
Is vibrated on the outer peripheral surface of the form 1 while
Is moved toward the other end of the formwork 1 along the outer peripheral surface of the mold 1, while the Keren member elements 31 are integrally slip-rotated about their respective axes based on the driving force of the motor 30. Then, based on the rotation, a frictional force is applied to the adhered concrete, and the concrete removing operation on the outer peripheral surface of the mold 1 is started.

When the Keren member 4 and Keren member holder 3 reach the other end of the mold 1, the vibrator B and the motor 3 in one of the mounting frames 18 are automatically or manually operated.
0 is stopped, and then the vibrator B in the other mounting frame 19 is operated, so that the movement direction of the keel member 4 and the keel member holder 3 is shifted from the other end of the mold 1 to one end of the mold 1. And the rotation direction of the motor 30 is reversed. As a result, the above-described concrete removing operation is continuously performed even after changing the moving direction of the Keren member 4 and Keren member holder 3.

When the corrugated member 4 and the corrugated member holder 3 reach one end of the mold 1 again, the concrete removing operation on the outer peripheral surface of the mold 1 is completed, and the vibration of the other mounting frame 19 is terminated. The motor B and the motor 30 are stopped. Then, after that, the Keren member 4 and the Keren member holder 3 are carried out from the outer peripheral surface of the mold 1 and the tunnel lining work is started.

Therefore, according to the above method, the apparatus 2 for removing the form-adhering concrete used for carrying out the method, and the Keren member 4 used for carrying out the method, the Keren member 4
Since the coil-shaped core material has flexibility, the Keren member 4 has flexibility, and the Keren member 4
As a premise, similarly to the conventional rope, it can be arranged along the circumferential direction of the formwork 1 on the outer peripheral surface of the concrete formwork form 1, and how to remove the form-attached concrete is determined. It is possible to cope with the mold 1 having a complicated sectional shape.

On the other hand, the adhering concrete on the outer peripheral surface of the mold 1
In the work of removing the brush, not only the brush material 34 is used, but also the form-adhered concrete is rubbed by the frictional force based on the slip rotation of the brush material 34 (Kelen member 4) against the outer peripheral surface of the form 1. Thus, an effective external force can be applied to the adhesive concrete. Moreover,
In the present embodiment, since the vibrator B is used as a means for moving the Keren member 4 and the Keren member holder 3 in the extending direction of the mold 1, the vibration of the Vibrator B is It is used not only for moving the member 4 and the like, but also for giving an effective external force by repeatedly giving a vibrant and fine vibration to the concrete attached to the formwork 1. The concrete on the outer peripheral surface of the frame 1 is removed with an extremely high removal rate.

Also, since the brush material 34 abuts on the outer peripheral surface of the mold 1 and the core material 33 does not directly contact the outer peripheral surface of the mold 1, the Keren member 4 has a form-adhering concrete. In the removing operation, the core material 33 is protected by the brush material 34 and is not rubbed by the outer peripheral surface of the mold 1. Moreover, in the present embodiment, the core material 33 is made of metal, and the strength, durability and the like of the core material 33 itself are to be improved. For this reason, the Keren member 4 is not easily broken, and the durability of the Keren member 4 is improved.

Further, in this embodiment, when the vibrator B fails, the keren member 4 is slip-rotated in the same manner as described above, and a frictional force based on the rotation is applied to the adhered concrete, while the backup is performed. Drive motor 20
Is newly driven, and the drive causes the keel member 4 and the keel member holder 3 to move. For this reason,
Even if the vibrator B breaks down, it can respond quickly without causing any problems. Of course, the above-mentioned working mode is not limited to the case of the failure of the vibrator B, but may be adopted in a normal case.

FIGS. 14 to 16 show a second embodiment, FIG. 17 shows a third embodiment, and FIGS. 18 to 20 show a fourth embodiment. In each of the embodiments, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted.

In the second embodiment, the same helical member 4 as that of the first embodiment is integrally formed, the helical member 4 is pressed against the outer peripheral surface of the mold 1 and the helical member 4 is fixed to its shaft. The rotation of the motor 30 around the center removes the adhered concrete and moves the Keren member 4 and Keren member holder 3. That is, as shown in FIG.
One end in the extending direction is rotatably connected to one end in the extending direction of the Keren member holder 3 via the connecting member 32, and the other end in the extending direction of the Keren member 4 is the other end in the extending direction of the Keren member holder 3. It is connected to a rotating shaft of a motor 30 attached to the section. In this case, the connection between the one end in the extending direction of the helical member 4 and the connecting member 32 (the helical member holding body 3) and the connection between the other end in the extending direction of the helical member 4 and the rotating shaft of the motor 30 are firmly performed by swaging or the like. It is connected to.

As shown in FIG. 14, the motor 30 has a base at the other end in the extending direction of the Keren member holder 3.
As shown in FIGS. 15 and 16, the base 39 is fixed to a plate-shaped main body 40 and an inner side of the main body 40 in the extending direction of the keel member holder 3. An upright wall 41 is provided. In the main body 40,
Four bolt insertion holes 43 of the motor fixing bolt 42 are formed, and each of the bolt insertion holes 43 is an elongated hole that extends in the extending direction of the Keren member holder 3. A bolt 44 for position adjustment is screwed into the upright wall 41.
The tip of the bolt 44 extends beyond the upright wall 41 to the main body 4.
Then, the motor 30 can be pushed to the other end (the left side in FIG. 16) in the extending direction of the Keren member holder 3.

Thus, if the fixing position of the motor 30 is adjusted by the bolts 44 and the motor 30 is fixed by the bolts 42 or the like, the keren member 4 can be easily brought into a tensioned state. , The Keren member 4 and the mold 1
Can be pressed against the outer peripheral surface in the circumferential direction. Then, in this state, when the motor 30 is driven, the Keren member 4 and the Keren member holder 3 move on the outer peripheral surface of the mold 1 based on the rotation of the Keren member 4 (the movement direction is Determined by the direction of rotation)
At the same time, the portion of the brush material 34 that has been bent during the press-contact between the Keren member 4 and the outer peripheral surface of the mold 1 attempts to recover or recover when the press-contact or transition from the press-contact state to the non-press-contact state. The force will be applied to the adhered concrete as a frictional force, thereby removing the concrete.

Therefore, in the second embodiment, the motor 30 is used not only for driving the Keren member 4 but also for moving it, as in the vibrator B in the previous embodiment. No moving drive means is required.

The keren member 4 is disposed between the wheels 7 on both sides in the extending direction of the connecting member 6 and does not come out between the two wheels 7. Even if the Keren member 4 partially lags behind the other parts, such a part does not cause a large delay such that it goes outside the Keren member holder 4 in the width direction.

In the third embodiment, the same helical member 4 as in the second embodiment is used, and
In the circumferential direction, the outer peripheral surface of the mold 1 is displaced so as to be rubbed. That is, in the third embodiment, as shown in FIG. 17, rails 45 are laid at lower portions on both sides in the width direction of the mold 1 so as to extend in the direction in which the mold 1 extends. Dolly 46, 47 on the top
Can be moved synchronously. A spring member 48 is provided on one of the trolleys 46, and the other trolley 4
A cylinder device 49 is provided on 7, and a spring member 49 and a telescopic rod 49 a of the cylinder device 49 are disposed on the outer peripheral surface of the mold 1 so as to extend in the circumferential direction. They are connected via a keel member 4. In addition, 50 is a motor for driving the carriage 46 (47).

In the third embodiment, the spring member 4
8 against the elastic force of the telescopic rod 4 of the cylinder device 49.
9a is to be expanded and contracted, and accordingly,
The corrugated member 4 is reciprocated with a predetermined stroke in the circumferential direction of the mold 1, and the corrugated member 4 rubs the outer peripheral surface of the mold 1 to scrape off the adhered concrete. Further, in the present embodiment, the two carriages 46 and 47 are simultaneously moved in the extending direction of the mold 1 in synchronization with each other, and the work of removing the adhered concrete on the outer peripheral surface of the mold 1 is performed. , Sequentially in the extending direction of the mold 1. Of course, as another working mode, it is also possible to move the carriages 46 and 47 to move the keel member 4 after judging that the adhered concrete has been removed.

Therefore, also in the third embodiment, the same operation and effect as those in the first embodiment are produced because the brush member 34 is attached to the outer periphery of the long coil-shaped core member 33. Will be.

In the fourth embodiment, a plurality of keren member elements 3
1 is formed in an endless shape, and the outer peripheral surface of the mold 1 is rubbed by either the forward movement portion or the backward movement portion of each of the endless Keren member elements 31.

That is, in this embodiment, FIG.
As shown in FIG. 7, the core material is a chain 51 as the Keren member element 31, and a plurality of brush members 34 are mounted on the outer peripheral side of the chain 51 at predetermined intervals via a brush mounting plate 52. A plurality of such Keren member elements 31 are held by a Keren member holder not shown (basically the same as the Keren member holder 3 described above) (the right half in FIG. 18). Only the left half is omitted, and the left half is not shown), and a Keren member 4 is formed on the outer peripheral surface of the mold 1 along the entire circumferential direction.

More specifically, the rotating shaft 53 is rotatably supported by the rotating member holder at regular intervals in the extending direction of the rotating member holder, and each rotating shaft 53 has two sprockets. 54 are mounted. Sprockets 54 on adjacent rotary shafts 53
Are wound around each of the above-mentioned keren member elements 31 (chains 51), and the plurality of keren member elements 31 are mechanically linked over the entire circumferential direction of the mold 1. I have.

Further, a motor 55 is attached to the Keren member holder as second driving force applying means. As shown in FIG. 19, the drive shaft 55a of the motor 55 also serves as one of the rotary shafts 53. By driving the motor 55, all the Keren member elements 31 are driven as shown by arrows in FIG. Is rotated, and the brush material 34 of the forward movement portion 56 or the backward movement portion 57 of each of the Keren member elements 31 rubs the outer peripheral surface of the mold 1.

Of course, also in the fourth embodiment, as in the first embodiment, each keel member 4 (a plurality of keel member elements 31) is formed by moving the keel member holding body while performing the keel work. The frame 1 is moved in the extending direction.

Therefore, in the fourth embodiment, not only the same operation and effect as in the first embodiment described above are produced, but also a method of rubbing the outer peripheral surface of the mold 1 in the circumferential direction is employed. Instead, a highly versatile motor 55 can be used.

Although the embodiments have been described above, the present invention includes the following. As the core material 33, 1
Use one or more wire ropes. Use a metal flexible tube as the core material.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an apparatus for removing a form-adhering concrete according to a first embodiment.

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a diagram illustrating support of a wheel by a keelen member holding body.

FIG. 5 is a partially enlarged view of FIG. 1;

FIG. 6 is a view for explaining a state in which keren member elements are connected to each other via a connector.

FIG. 7 is a view for explaining the press-fitting relationship between the Keren member element and the connecting shaft of the connecting tool.

FIG. 8 is a view for explaining support of a connecting tool with respect to a Keren member holder.

FIG. 9 is an explanatory diagram for explaining the operation of the vibrator.

FIG. 10 is an explanatory diagram for explaining the action of the vibrator on the kelen member holder.

FIG. 11 is a diagram showing one mounting frame for mounting a vibrator.

FIG. 12 is a diagram showing another mounting frame on which the vibrator is mounted.

FIG. 13 is a diagram showing a mounting relationship between a backup drive motor and wheels.

FIG. 14 is a front view showing an apparatus for removing a form-adhered concrete according to a second embodiment.

FIG. 15 is a plan view showing the attachment of a motor for driving a keel member.

FIG. 16 is a side view of FIG.

FIG. 17 is a perspective view showing an apparatus for removing a form-adhering concrete according to a third embodiment.

FIG. 18 is an explanatory view showing an apparatus for removing a form-adhered concrete according to a fourth embodiment.

FIG. 19 is a diagram showing an attachment relationship between each keren member and a driving motor.

FIG. 20 is a perspective view showing a keren member according to a fourth embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 Formwork 2 Formwork adhering concrete removing device 4 Keren member 30 Keren drive motor 31 Keren member element 32 Connecting tool 33 Core material 34 Brush material 39 Base 41 Upright wall 42 Motor fixing bolt 43 Bolt insertion hole 44 Position Adjusting Bolt B Vibrator X Direction of Form Form Extension

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E21D 11/10

Claims (5)

(57) [Claims] 1. A brush material is provided on the outer peripheral side of a long flexible core material.
A helmet member to be attached to the helmet member , along with an outer peripheral surface of the mold,
First drive for applying a driving force for moving in the extension direction
A frictional force between the force applying means and the outer peripheral surface of the mold,
Second driving force applying means for applying a driving force for generating
And the contact state of the Keren member on the outer peripheral surface of the formwork.
Adjusting means for adjusting the contact state, wherein the second driving force applying means adjusts the
A driving force to rotate around the axis of the member
An apparatus for removing a concrete adhering to a formwork, the apparatus being set as follows . 2. A method according to claim 1, wherein said contact condition adjusting means comprises a step of connecting said keren member to said mold frame.
The second driving force applying means is set so as to be pressed against the outer peripheral surface, and the first driving force applying means
An apparatus for removing a form-adhering concrete , which is set so as to also serve as the form. 3. An apparatus according to claim 1, wherein said contact condition adjusting means is provided in front of an outer peripheral surface of said mold.
The pressing member is pressed against the outer peripheral surface of the formwork.
Is also set to contact with a light contact state,
The Keren member abuts against the outer peripheral surface of the formwork but slips
An apparatus for removing a form-adhering concrete, wherein the apparatus is configured to rotate while rotating . 4. The apparatus according to claim 3, wherein said first driving force applying means includes a step of connecting said helical member to said mold.
Vibration force imparting hand that generates vibrations Before moving to the extension direction of the
An apparatus for removing a form-adhering concrete, comprising a step. 5. A long flexible core material, and a brush material attached to an outer peripheral side of the core material , wherein the long flexible core material is formed in a coil shape and extends.
Keren for removing form-adhering concrete , which is a metal core material
Element.