JP5991009B2 - Concrete vibrator support device - Google Patents

Description

  The present invention relates to a concrete vibrator support device.

  Concrete is generally made by placing and hardening raw concrete mixed with materials such as cement, aggregate, and water. When molding a concrete structure, a rod-shaped concrete vibrator is inserted into the ready-mixed concrete placed in the mold and a compacting operation is performed to remove bubbles in the ready-mixed concrete. In this compacting operation, for example, an operator who has got on a scaffold spanned on a formwork grasps a connecting hose of a concrete vibrator and performs the operation on the cast concrete.

By the way, the temporary scaffold used for such compaction work is unstable, and the vibration of the concrete vibrator is transmitted to the worker through the connecting hose. It is necessary to work carefully so that it does not fall accidentally.
Patent Document 1 listed below discloses a suspended concrete compactor that can perform unmanned work safely and quickly by remote control.

  This suspended concrete compactor is suspended from the sky by a crane immediately after placing, and compacts the cast concrete and flattens the surface thereof. And a finish plate suspended horizontally. The suspended concrete compactor is equipped with a remote controller for operating the vibration shaft, and is configured so that the compacting operation can be performed safely by remotely operating the main body of the apparatus with a crane. .

JP 2004-183280 A

However, the above prior art has the following problems.
Since the crane that suspends the concrete compactor is large and requires a large space for installation, it must be a construction site where a large-scale concrete structure such as a sabo dam is constructed, and construction that can apply the above technology There is a problem that the site is limited.

  The present invention has been made in view of the above problems, and provides a concrete vibrator support device that can perform compaction work safely and can be flexibly installed according to the scale of a construction site. With the goal.

  In order to solve the above-described problems, the present invention provides a beam portion that supports a concrete vibrator and can be expanded and contracted in a first horizontal direction, and a pair of leg portions that are provided with the beam portion and that can be expanded and contracted in a height direction. And a concrete vibrator support device having at least a wheel portion that allows the pair of legs to move in a second horizontal direction intersecting the first horizontal direction.

  Further, in the present invention, the beam portion includes a slide guide extending in the first horizontal direction, and a support body that supports the concrete vibrator and is movable along the slide guide. Adopt the configuration.

  In the present invention, the slide guide is engaged with a first guide frame having a first guide groove, and the first guide frame is slidably engaged with the first guide frame in the first horizontal direction. A second guide frame having a second guide groove provided in parallel to the groove, wherein the support body travels along the first guide groove, and the second guide groove. And a second wheel that can travel along the road.

  In the present invention, the slide guide has a through-hole in which the first guide frame and the second guide frame are integrally penetrated and a reinforcing member can be disposed.

  Moreover, in this invention, the said beam part employ | adopts the structure that it has a fixing member which fixes the said support body with respect to the said slide guide.

  Moreover, in this invention, the structure that the said beam part has the said support body in multiple numbers is employ | adopted.

  Moreover, in this invention, the 1st drive part which expands / contracts a pair of said leg part to the said height direction, The 2nd drive part which moves the said wheel part to the said 2nd horizontal direction, The said 1st drive part And a control unit that controls the second driving unit in synchronization with each other.

According to the present invention, it is possible to adjust the apparatus size in the first horizontal direction and the height direction by expanding and contracting the beam portion and the pair of leg portions. For this reason, for example, the apparatus size can be optimized according to the size of a formwork or the like for placing ready-mixed concrete. In addition, the concrete vibrator can be inserted into and removed from the ready-mixed concrete by the expansion and contraction of the pair of leg portions, and the insertion and removal position of the concrete vibrator can be adjusted in the second horizontal direction by the wheel portions of the leg portions. It is possible to perform compaction work over the entire casting concrete placement area.
Therefore, according to the present invention, a concrete vibrator support device can be obtained in which the compacting operation can be performed safely and can be flexibly installed according to the scale of the construction site.

It is a front view of the concrete vibrator support apparatus in a 1st embodiment of the present invention. It is a top view of the concrete vibrator support apparatus in a 1st embodiment of the present invention. It is a perspective view of the beam part in 1st Embodiment of this invention. It is A sectional drawing in FIG. It is a front view of the support body in a 1st embodiment of the present invention. It is a control block diagram of the concrete vibrator support apparatus in 2nd Embodiment of this invention. It is a figure for demonstrating operation | movement of the concrete vibrator support apparatus in 2nd Embodiment of this invention.

  Embodiments of the present invention will be described below with reference to the drawings.

(First embodiment)
FIG. 1 is a front view of a concrete vibrator support device 1 according to a first embodiment of the present invention. FIG. 2 is a plan view of the concrete vibrator support device 1 according to the first embodiment of the present invention. FIG. 3 is a perspective view of the beam portion 4 in the first embodiment of the present invention. 4 is a cross-sectional view taken along line A in FIG. FIG. 5 is a front view of the support 12 in the first embodiment of the present invention.

  As shown in FIG. 1, the concrete vibrator support device 1 supports a plurality of concrete vibrators 2. The concrete vibrator 2 has a rod shape and is connected to a connecting hose 2a. As is well known, the concrete vibrator 2 includes an eccentric weight in a rod-shaped main body, and functions as a vibrator by rotating the eccentric weight connected to a drive shaft of a motor.

  The concrete vibrator support device 1 has a portal shape and is installed so as to straddle the ready-mixed concrete C poured into the mold 3. In addition, although the ready-mixed concrete C of this embodiment is laid in the rectangular area | region by planar view as shown in FIG. 2, it may be laid in other forms. As shown in FIG. 1, the concrete vibrator support device 1 includes a beam portion 4, a pair of leg portions 5, and a wheel portion 6.

  The beam portion 4 is configured to support the concrete vibrator 2 and extend and contract in the first horizontal direction (left and right direction in FIG. 1). The beam portion 4 includes a slide guide 11 extending in the first horizontal direction, and a support body 12 that supports the concrete vibrator 2 and is movable along the slide guide 11. The beam portion 4 of the present embodiment has a plurality of support bodies 12. Three supports 12 are provided on the slide guide 11.

  The slide guide 11 includes a first guide frame 13 and a second guide frame 14 that form an expansion / contraction mechanism. As shown in FIG. 3, the first guide frame 13 and the second guide frame 14 are slidably engaged in the length direction (direction corresponding to the first horizontal direction). The second guide frame 14 of the present embodiment has a concave shape, and the first guide frame 13 is engaged so as to fit into the concave shape.

  As shown in FIG. 4, the first guide frame 13 has an engagement groove 15 formed on a side surface. The engagement groove 15 extends in the length direction of the first guide frame 13 (the direction perpendicular to the paper surface in FIG. 4). On the other hand, the 2nd guide frame 14 has the protrusion 16 protruded by the concave inward side surface. The protrusion 16 extends in the length direction of the second guide frame 14. The engagement between the engagement groove 15 and the protrusion 16 allows the first guide frame 13 and the second guide frame 14 to slide in the length direction.

  As shown in FIGS. 3 and 4, the slide guide 11 having the above configuration is provided with a through hole 19. The through holes 19 are provided, for example, at intervals of 10 cm. The through hole 19 is formed so as to be able to penetrate the first guide frame 13 and the second guide frame 14 in the horizontal direction. A reinforcing member such as a steel bar or a screw is inserted into the through hole 19. As a result, the reinforcing member can be disposed integrally through the first guide frame 13 and the second guide frame 14, so that bending of the slide guide 11 can be suppressed.

  As shown in FIG. 4, the first guide frame 13 has a first guide groove 17 that guides the support 12. The first guide groove 17 is formed in a concave shape on the side surface above the engagement groove 15. The first guide groove 17 extends in the length direction of the first guide frame 13. On the other hand, the second guide frame 14 has a second guide groove 18 for guiding the support 12. The second guide groove 18 is formed in a concave shape on the concave outward side surface. The second guide groove 18 extends in the length direction of the second guide frame 14. The second guide groove 18 is provided in parallel to the first guide groove 17.

  The support 12 includes a first wheel 22 that can travel along the first guide groove 17 and a second wheel 23 that can travel along the second guide groove 18. The support body 12 of this embodiment has four rows of wheels, with two rows of first wheels 22 and two rows of second wheels 23. Each row is composed of two or more wheels (three in this embodiment) (see, for example, FIG. 5). The first wheel 22 is supported by the first support frame 24. A gap S in which the first support frame 24 can be disposed is formed between the first guide frame 13 and the second guide frame 14. The second wheel 23 is supported by a second support frame 25 disposed outside the concave shape of the second guide frame 14.

  The support 12 includes a main body frame 12a that integrally connects the first support frame 24 and the second support frame 25. As shown in FIG. 4, the main body frame 12 a is formed in a frame shape surrounding the slide guide 11. As shown in FIG. 5, a clamp 21 is provided on the main body frame 12a. The clamp 21 holds the concrete vibrator 2. In this embodiment, the clamp 21 holds the connection hose 2 a and suspends the concrete vibrator 2 from the support 12 as shown in FIG. 1.

  Further, as shown in FIGS. 4 and 5, the main body frame 12 a is provided with a fastener (fixing member) 26. The fastener 26 fixes the support 12 to the slide guide 11. As shown in FIG. 4, the fasteners 26 are provided in pairs with the slide guide 11 sandwiched in the width direction. The fastener 26 of the present embodiment is a screw that is screwed into the main body frame 12 a, and the support 12 is fixed to the slide guide 11 by being pressed against the side surface of the slide guide 11 by screwing the screw.

  Returning to FIG. 1, the pair of leg portions 5 has a configuration in which the beam portion 4 having the above-described configuration is installed and can be expanded and contracted in the height direction. The pair of legs 5 includes a first leg frame 31, a second leg frame 32, and an elevating device 33 that moves the second leg frame 32 relative to the first leg frame 31 in the height direction. Have. As the lifting device 33, for example, a winch mechanism, a rack and pinion mechanism, a ball screw mechanism, or the like can be employed. The lifting device 33 of the present embodiment is provided with a handle 33a. By turning the handle 33a, for example, a winch mechanism is actuated to move the second leg frame 32 relative to the first leg frame 31.

  The wheel portion 6 has a pair of legs in a second horizontal direction (vertical direction in FIG. 1 and vertical direction in FIG. 2) intersecting at least the first horizontal direction (left and right direction in FIG. 1 and FIG. 2). 5 is movable. The wheel portion 6 is provided at the bottom of the pair of leg portions 5. Since it is normal for the construction site to have some unevenness on the ground, it is preferable to employ a somewhat larger tire as the wheel portion 6. Further, when the tire is large, the swinging due to the unevenness of the ground is reduced like a caster having a small diameter, so that the stability of movement in the second horizontal direction can be improved.

  Next, a compacting operation using the concrete vibrator support device 1 having the above-described configuration will be described.

In the compacting operation, first, as shown in FIGS. 1 and 2, the concrete vibrator support device 1 is installed so as to straddle the mold 3 into which the ready-mixed concrete C has been poured.
The concrete vibrator support device 1 can adjust the device size in the first horizontal direction and the height direction by expansion and contraction of the beam portion 4 and expansion and contraction of the pair of leg portions 5. For this reason, according to this embodiment, the apparatus size can be optimized according to the size of the mold 3 for placing the ready-mixed concrete C, and the concrete vibrator support apparatus 1 can be flexibly installed regardless of the scale of the construction site. can do.

  Specifically, the width size of the apparatus can be adjusted by sliding the first guide frame 13 and the second guide frame 14 in the first horizontal direction. After the adjustment, the through hole 19 is fitted and the first guide frame 13 and the second guide frame 14 are integrally penetrated so that a reinforcing member such as a steel bar or a bolt is disposed to prevent the beam portion 4 from bending. . Further, the height size of the apparatus can be adjusted by turning the handle 33a. Since the beam portion 4 is installed on the pair of leg portions 5, the beam portion 4 can be held at a predetermined height by expansion and contraction of the pair of leg portions 5.

  Moreover, since the support body 12 becomes a structure which can move along the slide guide 11, it can adjust the position in the 1st horizontal direction of the concrete vibrator 2 according to the placement area | region of the ready-mixed concrete C easily. it can. For example, as shown in FIGS. 1 and 2, the concrete vibrators 2 can be arranged at equal intervals in the placement area of the ready-mixed concrete C. Further, by checking the position of the reinforcing bar in advance before placing and fixing the support 12 with the fastener 26 at a position where it does not collide with the reinforcing bar, the collision between the concrete vibrator 2 and the reinforcing bar can be avoided.

  The support 12 includes a first wheel 22 that can travel along the first guide groove 17 and a second wheel 23 that can travel along the second guide groove 18. Therefore, in FIGS. 1 and 2, in the support body 12 located on the left side, two rows of the first wheels 22 are placed on the slide guide 11 (first guide frame 13) (see FIG. 4). Further, in the support body 12 located in the center, all four rows of the first wheel 22 and the second wheel 23 are mounted on the slide guide 11 (the first guide frame 13 and the second guide frame 14). Moreover, in the support body 12 located on the right side, two rows of the second wheels 23 are placed on the slide guide 11 (second guide frame 14). Thus, in this embodiment, even if the length of the slide guide 11 is changed depending on the dimensions of the concrete structure to be constructed, the movement of the support 12 can be prevented from being hindered.

When the concrete vibrator supporting device 1 is thus installed, the compacting operation is started next.
The concrete vibrator support device 1 can insert and remove the concrete vibrator 2 with respect to the ready-mixed concrete C by expansion and contraction of the pair of leg portions 5, and further, the second position of the concrete vibrator 2 is inserted and removed by the wheel portions 6 of the pair of leg portions 5. Can be adjusted horizontally. For this reason, according to this embodiment, an operator is outside the formwork 3 and the compacting operation over the entire placement area of the ready-mixed concrete C can be performed.

  Specifically, the operator on both sides of the concrete vibrator support device 1 turns the handle 33a to actuate the lifting device 33 to expand and contract the pair of leg portions 5 up and down. Since the concrete vibrator 2 is suspended from the beam portion 4, the concrete vibrator 2 is attached to the ready-mixed concrete C by extending and contracting the pair of leg portions 5 without providing a temporary scaffold on the mold 3. Can be inserted and removed. Therefore, there is no risk of the operator falling from the scaffold, and the compacting operation can be performed safely. Further, since the pair of leg portions 5 can be moved in the second horizontal direction as shown in FIG. 2 by the wheel portions 6, the operator is outside the formwork 3 and tightened over the entire placement area of the ready-mixed concrete C. Can be hardened.

  Therefore, according to the above-described embodiment, the beam portion 4 that supports the concrete vibrator 2 and can be expanded and contracted in the first horizontal direction, and the pair of leg portions that are constructed with the beam portion 4 and extend and contracted in the height direction. Compaction work by adopting a concrete vibrator support device 1 having 5 and a wheel portion 6 that enables a pair of legs 5 to move in a second horizontal direction that intersects at least the first horizontal direction. Can be performed safely, and can be flexibly installed according to the scale of the construction site.

(Second Embodiment)
Next, a second embodiment of the present invention will be described. In the following description, the same or equivalent components as those of the above-described embodiment are denoted by the same reference numerals, and the description thereof is simplified or omitted.

FIG. 6 is a control block diagram of the concrete vibrator support device 1 according to the second embodiment of the present invention. FIG. 7 is a diagram for explaining the operation of the concrete vibrator support device 1 according to the second embodiment of the present invention.
A concrete vibrator support device 1 according to the second embodiment is different from the above-described embodiment in that the control structure shown in FIG. 6 is provided and the compacting operation shown in FIG. 7 is performed by automatic control.

  As shown in FIG. 6, the concrete vibrator support device 1 of the second embodiment includes an input receiving unit 41, a storage unit 42, a lifting device drive motor (first drive unit) 43, and a wheel unit drive motor (second drive). Drive unit) 44, support drive motors 45A, 45B, and 45C, and a control unit 46 that is electrically connected to the above-described components and controls the operation of the entire apparatus.

The input receiving unit 41 receives an input from the outside, and transmits, for example, an operation button (not shown), wireless communication, or an input from a keyboard or mouse to the control unit 46.
The memory | storage part 42 has a hard disk, ROM, RAM, etc., and memorize | stores the data and program required for automatic control of the concrete vibrator support apparatus 1. FIG. In addition, the storage unit 42 stores information input via the input receiving unit 41 (for example, the shape and size of the placement area of the ready-mixed concrete C illustrated in FIG. 7, position information where the reinforcing bars are arranged, etc.). .

The elevating device drive motor 43 has a drive shaft connected to the elevating device 33 and expands and contracts the pair of leg portions 5 in the height direction by rotation of the drive shaft.
The wheel portion drive motor 44 has a drive shaft connected to the wheel portion 6 and moves the wheel portion 6 in the second horizontal direction by rotation of the drive shaft. The wheel part 6 of 2nd Embodiment becomes a structure which drive | works on the rail 7, as shown in FIG. According to this configuration, since the positional accuracy in the second horizontal direction can be obtained as compared with the tire, automatic control is facilitated.
The support drive motors 45A, 45B, and 45C have their respective drive shafts connected to the corresponding support 12 and move the support 12 along the slide guide 11 by the rotation of the drive shaft.

  The control unit 46 is configured to control the lifting device driving motor 43 that expands and contracts the pair of legs 5 in the height direction and the wheel unit driving motor 44 that moves the wheel unit 6 in the second horizontal direction in synchronization. (See FIG. 7). Further, as shown in FIG. 7, in this embodiment, since the placement area of the ready-mixed concrete C is wide in the width direction (first horizontal direction), the control unit 46 of the second embodiment further includes a support driving motor. 45A, 45B, and 45C are controlled synchronously.

The compacting operation is performed as follows.
First, the control unit 46 sets a movement path of the concrete vibrator 2. The movement path of the concrete vibrator 2 is set based on the shape and size of the placement area of the ready-mixed concrete C input via the input receiving unit 41 and position information where the reinforcing bars are arranged. In addition, if the movement path | route of the concrete vibrator 2 corresponding to the placement area | region of the ready-mixed concrete C is previously memorize | stored in the memory | storage part 42, it can be used.

Next, the control unit 46 synchronizes the lifting device drive motor 43, the wheel unit drive motor 44, and the support drive motors 45A, 45B, and 45C based on the set movement path of the concrete vibrator 2. Move.
Specifically, the pair of legs 5 is expanded and contracted by the lifting device drive motor 43, and the concrete vibrator 2 is inserted into and extracted from the ready-mixed concrete C. When the concrete vibrator 2 is inserted / removed, the wheel portion drive motor 44 moves the wheel portion 6 to repeat insertion / removal, and the insertion / removal position of the concrete vibrator 2 is set to one of the second horizontal directions (as shown in FIG. 7A). Move in order (outward order).

Next, as shown in FIG. 7B, when the apparatus main body reaches the vicinity of the end of the rail 7, the three support bodies 12 are moved by the support body drive motors 45A, 45B, and 45C.
Next, as shown in FIG. 7 (c), when the pair of legs 5 is expanded and contracted by the lifting device drive motor 43 and the concrete vibrator 2 is inserted into and removed from the ready-mixed concrete C, the wheel unit is driven by the wheel unit drive motor 44. 6 is repeatedly driven, and the insertion / extraction position of the concrete vibrator 2 is sequentially moved to the other in the second horizontal direction (return path order).
This completes the compacting operation.

  Therefore, according to the above-described second embodiment, the pair of leg portions 5 can be electrically expanded and contracted by the lifting device drive motor 43, and the wheel portion 6 can be electrically driven by the wheel portion drive motor 44. By controlling them synchronously by the control unit 46, the compacting operation can be performed automatically from a distance. For this reason, over the entire placement area of the ready-mixed concrete C, the operator can be compacted by being outside the formwork 3, and there is no risk of the operator falling from the scaffold, and the compaction work is performed more safely. be able to.

  As mentioned above, although preferred embodiment of this invention was described referring drawings, this invention is not limited to the said embodiment. Various shapes, combinations, and the like of the constituent members shown in the above-described embodiments are examples, and various modifications can be made based on design requirements and the like without departing from the gist of the present invention.

  DESCRIPTION OF SYMBOLS 1 ... Concrete vibrator support apparatus, 2 ... Concrete vibrator, 4 ... Beam part, 5 ... A pair of leg part, 6 ... Wheel part, 11 ... Slide guide, 12 ... Support body, 13 ... 1st guide frame, 14 ... 2nd Guide frame, 17 ... 1st guide groove, 18 ... 2nd guide groove, 19 ... Through-hole, 22 ... 1st wheel, 23 ... 2nd wheel, 26 ... Fastener (fixing member), 43 ... Elevator drive motor ( 1st drive part), 44 ... Wheel part drive motor (2nd drive part), 46 ... Control part

Claims (6)

A beam portion that supports the concrete vibrator and is extendable in a first horizontal direction;
A pair of legs that erected the beam and extendable in the height direction;
Possess a wheel portion to be movable the pair of leg portions in a second horizontal direction intersecting at least the first horizontal direction, and
The beam portion is
A slide guide extending in the first horizontal direction;
A support that supports the concrete vibrator and is movable along the slide guide,
The slide guide is engaged with a first guide frame having a first guide groove, and is slidably engaged with the first guide frame in the first horizontal direction and is provided in parallel with the first guide groove. A second guide frame having a second guide groove,
The said support body has a 1st wheel which can drive | work along the said 1st guide groove, and a 2nd wheel which can drive | work along the said 2nd guide groove, The concrete vibrator support apparatus characterized by the above-mentioned. 2. The concrete vibrator support device according to claim 1 , wherein the slide guide has a through hole through which the reinforcing member can be disposed so as to integrally penetrate the first guide frame and the second guide frame. . The concrete vibrator support device according to claim 1 , wherein the beam portion includes a fixing member that fixes the support to the slide guide. A beam portion that supports the concrete vibrator and is extendable in a first horizontal direction;
A pair of legs that erected the beam and extendable in the height direction;
A wheel portion that enables movement of the pair of legs in a second horizontal direction that intersects at least the first horizontal direction,
The beam portion is
A slide guide extending in the first horizontal direction;
A support that supports the concrete vibrator and is movable along the slide guide;
A concrete vibrator support device, comprising: a fixing member that fixes the support to the slide guide. The concrete vibrator support device according to claim 1 , wherein the beam portion includes a plurality of the support bodies. A first drive unit that expands and contracts the pair of legs in the height direction;
A second drive section for moving the wheel section in the second horizontal direction;
The concrete vibrator support device according to any one of claims 1 to 5 , further comprising a control unit that controls the first drive unit and the second drive unit in synchronization.

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