JPH09225863A - Marking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable one or a single operator to carry out marking of different kinds of pitches efficiently with accuracy by one operator by mounting a plurality of wheels on an arm being contiguous to a handle or grip part for operation through a shaft, and arranging a marker group radially at a specified angular space. SOLUTION: In this marking device suitable for performing marking showing the positions of reinforcing bars and the like arranged on a floor part and so on, a handle 10 is connected to an interconnection rod 13 to both ends of which a side plate 12 is fixed through an arm 11, and to an axial shaft 14 fixed to an base end of the side plate 12 first-third wheels 15 having a plurality of markers 16 arranged thereon, are attached so as to be turnable. Desirably four markers 16 are arranged on each wheel 15 at an angular distance of 90 degrees, and the phase difference of 30 degrees is set at each wheel 15. Accordingly, at the time of rolling on the floor part performed by an operator who is pushing the handle 10, the markers 16 of the first-third wheels 15 are sequentially grounded and then marking is carried out.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a marking device used for marking a position where a reinforcing bar is placed on a floor or a wall or a position of an insert driven into concrete.

[0002]

2. Description of the Related Art Prior to the work of arranging the reinforcing bars on the floor or the wall (bar arrangement work), marking is performed to indicate the positions where the reinforcing bars should be arranged. This is a method in which a tape measure is applied to the part and markers are marked at predetermined intervals. In addition, markings indicating the positions of inserts to be poured into concrete are made by the same working method.

[0003]

In the above-mentioned conventional work method, a total of three workers are required, one for applying the tape measure and one for marking with the marker. Moreover, the marking work with the marker on the floor was a laborious work because it was a middle waist. Especially in the case of marking in a wide area,
The number of bar arrangements is so large that marking requires a lot of labor and time. In addition, marking mistakes are likely to occur due to incorrect reading of the scale, and workability is markedly reduced when marking at high places or in narrow spaces.

As a technique for solving this point, the actual exploitation 61
Japanese Patent Laid-Open No. 102959 proposes a floor marking device having a wheel to which a recording tool is attached. However, in this prior art, a single recording tool is attached to a single wheel and the wheel is rotated. Since one marking is performed by rotating, for example, in the device for 60 mm pitch, it is 50
It was inconvenient because marking with mm pitch could not be performed and it was necessary to prepare separate devices for each.

In view of the above, it is an object of the present invention to clarify a marking device capable of performing markings of different pitches and enabling even one operator to perform the marking work efficiently and accurately. To do.

[0006]

A marking device for bar arrangement according to the present invention is arranged radially at a constant angular interval coaxially with a wheel attached to a shaft rod fixed to an arm connected to an operating handle. The arranged marker groups are arranged at the same angular intervals as the marker groups, and the marker groups are arranged with a constant phase difference with respect to the marker groups. Marking is performed at intervals of a plurality of wheels, and a plurality of wheels are coaxially arranged. A plurality of markers are arranged at a constant angular interval and a constant phase difference for each wheel. A pair of wheels are rotatably fixed to both ends of the shaft rod, and each wheel is provided with a constant phase difference and a constant phase difference. A plurality of markers are arranged, and a plurality of holders for radially mounting the markers are arranged coaxially with the shaft rod of the wheel at a constant angle, and the holders are rotated at the same time as the wheel is rotated, and at predetermined intervals. Marking is performed, a wheel is rotatably fixed to a shaft rod arranged at the tip of an arm, and a plurality of markers are arranged on both sides of the wheel at a constant angular interval and with a constant phase difference. That is, the handle for operation, the wheel that is rotatably fixed to the shaft rod that is continuous to the handle via the arm, and the rotation amount of this wheel is measured, and the jetting of the marking liquid is performed according to the measured rotation amount. It is composed of a marking means to be controlled, and a wheel is rotatably fixed to a shaft rod continuous to an operating handle via an arm. Converts the rotary motion of Lumpur in linear reciprocating motion, up and down movement of the marker by the straight line reciprocating motion, and respectively characterized in that a marking at a predetermined interval.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a first embodiment of a marking device according to the present invention will be described with reference to FIGS. FIG.
2 and FIG. 2, 10 is a handle, and the arm 11
The side plates 12 are connected to the connecting rods 13 which are fixed to both ends via. A shaft rod 14 is fixed to the base end of the side plate 12, and first to third wheels 15 are rotatably attached to the shaft rod 14.
In this embodiment, three wheels 15 are arranged, but in order to correspond to an embodiment in which two or four or more wheels 15 are arranged, the connecting rod 13 and the shaft rod 14 can be extended or have different lengths. It has a structure that can be selectively attached.

As shown in FIG. 3, each of the wheels 15 is provided with a marker 16 arranged at a predetermined angle in the circumferential direction with respect to the center of the wheel.

As the marker 16, various commercially available oil-based or water-based markers can be used, but a structure in which a portion corresponding to the tip of the writing brush goes in and out of the main body, for example, Fuchidori MARKER manufactured by Sakura Co. First name) can be preferably used. Further, as shown in FIG. 3, a marker whose tip does not move in and out of the main body is used, and the entire marker is held by the holder in a state of being biased by a spring or the like, and the tip part moves in and out from the circumferential surface of the wheel 15. It can also be a structure. With the above configuration, when the wheel 15 rotates and the marker 16 reaches the marking position, the tip of the marker 16 is pulled in from the circumferential surface of the wheel 15 while performing the marking, and the wheel 15 moves up and down. There is an advantage that a smooth rotation can be achieved. Further, there is an advantage that it works to prevent the tip of the marker 16 from being damaged or that it can cope with unevenness on the marking surface.

Further, it is also preferable that the marking type is displayed by using different colors for each marker 16 or for each wheel 16. With such a configuration, it is possible to perform marking with different pitches at the same time.

In the illustrated embodiment, each of the first to third wheels is provided with four markers 16 at intervals of 90 degrees, and as shown in FIG. The wheel 15 has a phase difference of 30 degrees. Therefore, when the operator pushes the handle 10 and rolls the floor in the posture shown in FIG. 1, the marker 1 on the first wheel is grounded to perform marking as shown in FIG. The marker 2 on the second wheel comes into contact with the ground during marking, and the marker 3 from the third wheel comes into contact with the ground during marking with a rotation of 30 degrees, and so on. . In this embodiment, the combination of the wheels 15 makes 1/12 of the circumference length the marking interval. Arrange the bar spacing 5
If 0 mm to 60 mm, the circumference length L and radius r
The size of the wheel 15 can be set from the equation of L = 2πr which is a relational equation of Although the wheel 15 is divided into four in the illustrated embodiment, the number of divisions and the angle of the phase difference need to be taken into consideration the space in which the marker 16 is arranged, but can be set almost freely.

Further, when the wheel 15 is attached to the shaft rod 14 by adopting a structure in which a polygonal member having, for example, a dodecagonal shape or a hexagonal shape in cross section is interposed, the first wheel 15 is provided.
It is possible to easily angle the second and third wheels 15 with respect to.

In the embodiment shown in FIG. 5, the shaft 14 is fixed to the tip of the arm 11 and the pair of wheels 15 is rotatably fixed to both ends of the shaft 11.
8 markers in total with 16 degree spacing and 45 degree phase difference 16
Is arranged. Therefore, in this embodiment, wheel 1
The marking interval is 1/8 of the length of the circumference of 5. Also in this embodiment, the number of markers 16 (the number of divided wheels) and the phase difference can be freely set.

In the embodiment shown in FIG. 6, the marker 16 is provided in the marker holder 17 which is separate from the wheel 15. Also in this embodiment, the number of markers 16 (the number of divided wheels) and the phase difference can be freely set by preparing several kinds of marker holders 17.

In the embodiment shown in FIG. 7, the tip end side of the arm 11 is bent to form a shaft bar 14 and the wheel 15 is rotatably fixed, and markers 16 are arranged on both side surfaces of the wheel 15 at a predetermined angle and phase difference. To do. By exchanging the wheel 15, marking at an arbitrary interval can be performed.

In the embodiment shown in FIG. 8, the wheel 15 is rotatably fixed to the tip of the arm 11, and the wheel 1
Marking means for ejecting the marking liquid according to the rotation amount (angle) of 5 is arranged. The marking means is composed of a container 20 for containing the marking liquid, a valve 21 and a nozzle 22 for controlling ejection of the marking liquid. The marking means can be replaced by a commercially available spray paint in a can.

To control the opening and closing of the valve 21, for example, magnets 23 are annularly arranged on the side surface of the wheel 15 at predetermined intervals, the lines of magnetic force are detected by a sensor 24, and the valve 21 is opened and closed according to this detection information. It is done by that.
The magnets 23 can be designed to be continuously arranged in an annular shape at predetermined intervals, and the valve 21 can be opened / closed for each number of pieces of detection information. For example, it is set such that marking of 50 mm intervals is performed by opening / closing the valve 21 with detection information for every third item, and marking of 60 mm intervals is performed with opening / closing operation of the valve 21 with detection information for every fourth item. Further, such control can be performed by operating the keys of the operation board 25 attached to the handle 10.

According to this embodiment, it is possible to perform not only marking for each 1 / n rotation amount of the wheel 15 but also marking for each n times rotation amount.

In the embodiment shown in FIG. 9, the amount of rotation of the wheel 15 is mechanically picked up to control the marking means. That is, the marker 16 is attached to the holder 30 in a vertically movable state, and the pin or roller 32 continuous with the marker 16 is moved along the plate-shaped cam 31 or the cam groove formed on the side surface of the wheel 15 to move the wheel. In this method, the rotational movement of 15 is converted into the vertical movement of the marker 16. By adjusting the curve of the plate-shaped cam 31 or the cam groove, the wheel 15 is rotated by 1 / n to 1 / n.
It is possible to perform marking up to n times.

In place of the plate-shaped cam 31 or the cam groove,
It is also possible to arrange a single or a plurality of linear or curved guide plates on the side surface of the wheel 15 and move the pins or rollers 32 continuous with the markers 16 up and down along the guide plates.

Furthermore, in the above embodiment, the marker 1
Although 6 is moved up and down, the valve 21 of the marking means described with reference to FIG. 8 can be opened and closed by a pin or roller 32 that moves according to the plate-like cam 31 or the like.

[0022]

According to the marking device of the present invention,
The operator can perform marking at predetermined intervals simply by rolling the wheel on the floor with the handle in hand.
Marking can be performed extremely efficiently and accurately as compared with the conventional work using a tape measure, and marking with different pitches can be freely performed. In addition, in the mode in which the marking liquid is ejected, there is an advantage that marking can be surely performed even if the surface to be marked is uneven.

[Brief description of drawings]

FIG. 1 is a side view of a first embodiment.

FIG. 2 is a front view of the first embodiment.

FIG. 3 is a partially enlarged sectional view of a wheel portion of the first embodiment.

FIG. 4 is an explanatory view of the operation of the first embodiment.

FIG. 5 is a front view and right and left side views of the second embodiment.

FIG. 6 is a front view of a third embodiment and a side view of a holder part.

FIG. 7 is a front view and left and right side views of the fourth embodiment.

FIG. 8 is a side view of the fifth embodiment.

FIG. 9 is a front view and a right side view of the sixth embodiment.

[Explanation of symbols]

 10-Handle 11-Arm 12-Side plate 13-Connecting rod 14-Shaft bar 15-Wheel 16-Marker 17-Marker holder 20-Marking liquid container 21-Valve 22-Nozzle 23-Magnet 24-Sensor 25-Operation board 30-holder 31-plate cam 32-pin or roller

Claims (7)

[Claims] 1. A group of markers radially arranged coaxially with a wheel attached to a shaft fixed to an arm connected to a handle for operation at a constant angle, and the same angular interval as the group of markers. And the marker group is arranged with a certain phase difference with respect to the marker group,
A marking device in which marking is performed at predetermined intervals by the markers of both marker groups in accordance with a wheel rotating operation. 2. A plurality of wheels are coaxially arranged, and a plurality of markers are arranged on each wheel at a constant angular interval and with a constant phase difference for each wheel. The marking device according to claim 1, wherein: 3. A pair of wheels is rotatably fixed to both ends of the shaft rod, and a plurality of markers are arranged on each of the wheels at a constant angular interval and a constant phase difference. The marking device according to claim 1, wherein: 4. A plurality of holders for arranging markers radially are arranged coaxially with the shaft of the wheel at a constant angle, and the holders rotate at the same time as the wheel rotates to perform marking at predetermined intervals. Claim 1 characterized by
Marking device according to. 5. A wheel is rotatably fixed to a shaft rod arranged at the tip of an arm, and a plurality of markers are arrayed on both sides of the wheel with a constant angular interval and a constant phase difference. The marking device according to claim 1, wherein: 6. A handle for operation, a wheel rotatably fixed to a shaft rod continuous to the handle via an arm, a rotation amount of the wheel, and a marking liquid according to the measured rotation amount. And a marking means for controlling the ejection of the ink. 7. A wheel is rotatably fixed to a shaft rod continuous to an operating handle via an arm, and the rotational movement of the wheel is converted into a linear reciprocating movement, and the linear reciprocating movement moves a marker up and down. The marking device is characterized by performing marking at predetermined intervals.