JP2002162203A - Distance surveying instrument - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a distance surveying instrument capable of surveying for the distance of work in parallel with work like cutting concrete and drawing line, by mounting this instrument to be detachably at a concrete cutter and a liner. SOLUTION: This surveying instrument consist of a main body capable of surveying by rolling of right and left wheels attached to the drive shaft of a rotary counter that displays the distance surveyed, and an arm on which the top attached to the rotary counter of the main body is stuck out beyond the main body, and a fixture capable of being detachably mounted on a operating machine, through a turning machinery turning vertically, that drives on a road and the like.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distance measuring instrument which can be used by being attached to a concrete cutter or a line drawing machine for cutting a road or the like.

[0002]

2. Description of the Related Art Conventionally, a distance measuring instrument of this type has a rotary counter mounted on a shaft of a wheel, and a distance measuring instrument body capable of measuring a distance by rotation of a wheel, and a rotary counter of the distance measuring instrument body. And a bar member that can be held by hand.

[0003]

In the work requiring a conventional distance measuring device, for example, when using a distance measuring device with a coclin reed cutter or a line drawing machine working on a road or the like,
Since the surveying work and the mechanical work are performed separately, there is a drawback that it takes time and labor, and the work efficiency is poor. In addition, when working with a concrete cutter or line drawing machine, work is performed with the target at a predetermined distance mark on the road surface. There was a disadvantage that it could not be done.

The present invention has been made in view of the above-mentioned conventional drawbacks,
Provided is a distance measuring instrument capable of measuring the working distance simultaneously with the work of the concrete cutter, the line drawing machine, etc. by being configured to be detachably attached to an existing concrete cutter, a line drawing machine, etc. It is intended to be.

The above and other objects and novel features of the present invention will become more completely apparent when the following description is read in conjunction with the accompanying drawings. However, the drawings are for explanation only, and do not limit the technical scope of the present invention.

[0006]

In order to achieve the above-mentioned object, according to the present invention, a left and right wheels are mounted on a drive shaft of a rotary counter having a survey distance display, and the distance is measured by rotating the wheels. A distance measuring instrument that can be
The distal end of the distance measuring instrument main body attached to the rotary counter is attached to the arm protruding above the distance measuring instrument main body via a rotating mechanism that rotates in the vertical direction at the distal end of the arm. A distance measuring instrument is constituted by a fixture that can be detachably attached to a working machine or the like running on a road or the like.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 7, reference numeral 1 denotes a left and right wheels mounted on a drive shaft of a rotary counter having a survey distance display unit. The distance measuring instrument main body 2 which can perform the measurement, the arm 3 whose tip attached to the rotary counter of the distance measuring instrument main body 2 projects above the distance measuring instrument main body 2, and the tip of the arm 3 The distance measuring instrument according to the present invention is constituted by an attachment 4 which is detachably attached to a working machine or the like traveling on a road or the like, which is attached via a rotating mechanism that rotates vertically.

The distance measuring instrument main body 2 is mounted on a drive shaft 7 of a rotary counter 6 having a distance measuring display 5 so that left and right wheels 8, 8 are located on both sides of the rotary counter 6. It is configured so that the distance can be measured by rotation.

The arm 3 is made of a metal material. As shown in FIG. 4, a fixing plate 1 is fixed to a bottom surface of a case 6a of the rotary counter 6 with a plurality of screws 9.
0 and a support plate 11 whose tip is integrally formed with one end of the fixing plate 10 and projects upwardly and inclining above the distance measuring instrument main body 2. Both sides of the tip of the support plate 11 Shaft support plates 14 and 14 having a shaft hole 13 formed to have a diameter substantially the same as the diameter of the shaft 12 for supporting the shaft 12 so as to be rotatable in the vertical direction are integrally formed in the portion. It is configured.

The shaft 12, which is rotatably supported in the vertical direction by the shaft support plates 14, 14, is fixed to the shaft holes 13, 13 of the shaft support plates 14, 14 so as not to come off. At the center, a fixture support bar 16 is formed, which is integrally fixed perpendicular to the shaft 12 and has a thread groove 15 formed at its tip for screwing and fixing to the fixture 4. Thus, the shaft 12 is connected to the shaft support plate 14,
A pivoting mechanism 17 is configured to be supported by the pivoting mechanism 14 in the vertical direction, and the arm 3 to which the distance measuring instrument main body 2 is mounted can be vertically pivoted by the rotating mechanism 17. Can be. A notch 18 is formed at the center of the end of the support plate 11 of the arm 3 where the attachment support bar 16 is formed, and the attachment support bar 16 is positioned within the notch 18. It is configured to be.

The fixture 4 includes a fixture body 20 composed of a magnet 19 which can be detachably attached to a portion made of iron, stainless steel, or the like of a working machine running on a road or the like; ON / OFF provided in the main body 20
It is composed of a magnetization switching mechanism 22 that can change the magnetization of the magnet 19 by switching operation of the OFF lever 21.

When the distance measuring instrument 1 having the above structure is used, as shown in FIG. 6, the ON / OFF lever 21 of the fixture 4 is turned ON to increase the magnetization, and the working machine travels on a road or the like. The wheels 8 are attached to a portion of the lower portion 23 made of iron, stainless steel, or the like, and are grounded on the road 24. In this state, the work distance can be measured by setting the display of the survey distance display section 5 of the rotary counter 6 to 0 at the starting point of the work by the work machine 23 and then performing the work as shown in FIG. .

After use, turn the ON / OFF lever 21
The magnet 19 can be easily removed by weakening the magnetization of the magnet 19 by FF operation.

[0015]

Next, different embodiments of the present invention shown in FIGS. 8 to 27 will be described. In addition,
In the description of the different embodiments of the present invention, the same components as those of the first embodiment of the present invention are denoted by the same reference numerals, and duplicate description will be omitted.

The second embodiment of the present invention shown in FIGS. 8 to 12 is mainly different from the first embodiment of the present invention in that one end is supported by a support plate 11A of an arm 3A. A spring preventing means 26 comprising a coil spring 25 whose other end is supported by the rear end portion of the fixture support bar 16 via the shaft 12 and urges the distal end side of the fixture support bar 16 to always rotate downward. In the point that the distance measuring instrument 1A configured as described above has the same operation and effect as the first embodiment of the present invention,
Since the distal end side of the fixture support bar 16 is constantly biased downward by the coil spring 25, when used by attaching to the work machine 23, the arm 3A acts in a state where the arm 3A is always pivoted downward. 12, the wheels 8, 8 as shown in FIG.
Even if the vehicle gets on an obstacle 27 such as a pebble, it is possible to effectively prevent the wheels 8, 8 from jumping up due to the momentum during traveling.

The third embodiment of the present invention shown in FIGS. 13 to 15 is mainly different from the second embodiment of the present invention in that a jump preventing means 26A is provided. Weight 28 fixed to the bottom surface of case 6a of counter 6 with a plurality of screws 9A
The distance measuring instrument 1B using the jump-up preventing means 26A configured as described above can provide the same operation and effects as those of the second embodiment of the present invention.
In the present embodiment, the weight 28 is described as being located on the bottom surface of the case body 6a of the rotary counter 6, but the present invention is not limited to this, and the support plate 11 and the fixing plate 10 of the arm 3 are not limited to this. It may be configured so as to be added later to the device. Further, the wheels 8 may be designed to be heavy, or the case body 6a of the rotary counter 6 may be designed to be heavy.

The fourth embodiment of the present invention shown in FIGS. 16 to 18 differs from the second embodiment of the present invention mainly in that the shaft support plates 14A, 14A of the arm 3B are provided.
In the point that the shaft holes 13A, 13A of the distance measuring instrument 1C formed by forming such shaft holes 13A, 13A are larger in diameter than the diameter of the shaft 12, the second embodiment of the present invention Since the same operation and effect as those of the second embodiment can be obtained, and the diameter of the shaft holes 13A and 13A is formed to be larger than the diameter of the shaft 12, distance measurement as shown in FIG. When the right or left wheel 8 of the instrument body 2 rides on an obstacle 27 such as a pebble, the distance measuring instrument body 2
Can be tilted to the left or right in accordance with the obstacle 27, and the swing of the distance measuring instrument body can be efficiently absorbed.
In this way, by configuring the absorption mechanism 29 in which the distance measuring instrument main body 2 is tilted left and right to absorb the swing, the left and right wheels 8, 8 can be stably run in a state in which the left and right wheels 8, 8 are surely grounded on the road surface.

The fifth embodiment of the present invention shown in FIGS. 19 to 21 is mainly different from the second embodiment of the present invention in that the mounting member support bar 16A has a larger diameter than that of the shaft 12. Also, a shaft insertion hole 30 having a large diameter is formed, the shaft 12 is mounted in the shaft insertion hole 30 in a loosely inserted state, and a notch 18A located at the center of the distal end of the arm 3A.
Is formed with a width substantially equal to the diameter of the fixture support bar 16A, and is used as a guide groove 31 for guiding the vertical movement of the fixture support bar 16A. The same effect as that of the fourth embodiment of the present invention can be obtained with the distance measuring device 1D.

The sixth embodiment of the present invention shown in FIGS. 22 to 24 is different from the second embodiment of the present invention mainly in the case 6a of the rotary counter 6.
The fixing plate 10 of the arm 3A is attached to the bottom surface of the arm 3A with a play size by a plurality of screws 9B. The same operation and effect as those of the fourth embodiment can be obtained. In this case, shock absorbers 32, 32, 3 made of rubber or the like are provided on the bottom surface of the case body 6a of the rotary counter 6.
By attaching 2, 32, the shock when the distance measuring instrument body 2 travels can be efficiently absorbed.

The seventh embodiment of the present invention shown in FIGS. 25 to 27 is mainly different from the third embodiment of the present invention in that an arm 3C which can expand and contract in the vertical direction is used. A turning mechanism 17A that allows the tip of the arm 3C to be turned vertically by a pivot pin 33 on a fixture 4A.
Arm 3 configured in this way at the point of attachment through
B and the distance measuring instrument 1F using the rotating mechanism 17A can obtain the same operation and effects as those of the third embodiment of the present invention, and can also adjust the height of the mounting position of a working machine or the like traveling on a road or the like. The distance measuring instrument 1F can be attached by extending and contracting the arm 3C in accordance with the condition.

In each of the embodiments of the present invention, the attachments 4 and 4A are configured to be detachably attached to a working machine by changing the magnetization of the magnet 19 by operating an ON / OFF lever. However, the present invention is not limited to this, and may be applied to work machines and the like, such as those constituted only by magnets, and clamps using spring biasing force so as to clamp a convex portion of the work machine. Any type can be used as long as it can be detachably attached.

[0023]

As apparent from the above description, the following effects can be obtained in the present invention.

(1) A left and right wheel is attached to a drive shaft of a rotary counter having a surveying distance display section, and a distance measuring instrument main body capable of measuring a distance by rotation of the wheel, and a rotary of the distance measuring instrument main body. A work machine that travels on a road or the like that has a tip attached to the counter projecting above the main body of the distance measuring instrument and a rotating mechanism that is attached to the tip of the arm via a rotating mechanism that rotates vertically. And the like, which can be detachably attached to the work machine or the like. By attaching the mount to a work machine or the like, the work distance can be measured simultaneously with the work of the work machine or the like. Therefore, the work can be performed while confirming the work distance on the surveying distance display section of the rotary counter during the work, so that the work can be performed reliably and accurately at a predetermined distance.

(2) According to the above (1), the working distance can be measured at the same time as the work of the work machine or the like.

(3) According to the above (1), since it can be detachably attached to a working machine or the like with a fixture, it can be easily attached to an existing working machine such as a concrete cutter or a line drawing machine and used. it can. Therefore,
One distance measuring instrument can be easily used for many work machines and the like.

(4) According to the above (1), since the arm to which the distance measuring instrument main body is attached is attached to the attachment via a turning mechanism that turns vertically, the working machine that travels on a road or the like. When used on a road, if the traveling road surface has irregularities, the distance measuring instrument body can be moved up and down so as to match the irregularities. Therefore, even if there is unevenness on the road surface, the distance can be accurately measured by the distance measuring instrument body.

(5) According to the above (1), since the structure is simple, it can be easily implemented.

(6) According to the second aspect, the same effects as in the above (1) to (5) can be obtained, and even if the wheel of the distance measuring instrument body rides on an obstacle such as a pebble by the jump-up preventing means, the wheel can be used. Can be driven in a state where the vehicle is reliably grounded on the road surface.

(7) According to the third aspect, the same working effects as in the above (1) to (6) can be obtained, and even if the wheels ride on obstacles such as pebbles during traveling by the absorbing mechanism, the distance measuring instrument main body can be used. As it can absorb the swaying that tilts left and right,
The distance can be measured with stable running at all times.

[Brief description of the drawings]

FIG. 1 is a front view of a first embodiment of the present invention.

FIG. 2 is a side view of the first embodiment of the present invention.

FIG. 3 is a plan view of the first embodiment of the present invention.

FIG. 4 is an explanatory diagram of an arm according to the first embodiment of the present invention.

FIG. 5 is an explanatory view of a rotating mechanism according to the first embodiment of the present invention.

FIG. 6 is an explanatory view of a mounting tool according to the first embodiment of the present invention.

FIG. 7 is an explanatory diagram of a use state of the first embodiment of the present invention.

FIG. 8 is a front view of a second embodiment of the present invention.

FIG. 9 is a side view of the second embodiment of the present invention.

FIG. 10 is a plan view of a second embodiment of the present invention.

FIG. 11 is an explanatory view of an arm according to a second embodiment of the present invention.

FIG. 12 is an explanatory diagram of a state of use according to the second embodiment of the present invention.

FIG. 13 is a front view of a third embodiment of the present invention.

FIG. 14 is a sectional view taken along lines 14-14 in FIG. 13;

FIG. 15 is an explanatory diagram of a state of use according to the third embodiment of the present invention.

FIG. 16 is a front view of a fourth embodiment of the present invention.

FIG. 17 is a side view of the fourth embodiment of the present invention.

FIG. 18 is an explanatory diagram of a use state according to the fourth embodiment of the present invention.

FIG. 19 is a front view of a fifth embodiment of the present invention.

FIG. 20 is a side view of a fifth embodiment of the present invention.

FIG. 21 is an explanatory diagram of a use state according to the fifth embodiment of the present invention.

FIG. 22 is a front view of the sixth embodiment of the present invention.

FIG. 23 is a side view of the sixth embodiment of the present invention.

FIG. 24 is an explanatory diagram of a state of use according to the sixth embodiment of the present invention.

FIG. 25 is a front view of a seventh embodiment of the present invention.

FIG. 26 is a side view of the seventh embodiment of the present invention.

FIG. 27 is an explanatory diagram of a state of use according to the seventh embodiment of the present invention.

[Explanation of symbols]

1, 1A to 1F: distance measuring instrument, 2: distance measuring instrument body,
3, 3A, 3B: arm, 4, 4A: fixture,
5: Survey distance display unit, 6: Rotary counter, 7: Drive shaft, 8: Wheel, 9, 9A: Screw, 1
0: fixed plate, 11, 11A: support plate, 12:
Shaft, 13, 13A: Shaft hole, 14, 14
A: shaft support plate, 15: screw groove, 16, 16A: fixture support bar, 17, 17A: rotating mechanism, 18, 18A: notch, 19: magnet, 20, 20A: fixture body, 21 · ON / OFF lever, 22: magnetization switching mechanism, 23: work machine, 24: road,
25: coil spring; 26, 26A: means for preventing bouncing; 27: obstacle such as pebbles; 28: weight, 29, 29
A, 29B: absorption mechanism, 30: shaft insertion hole, 3
1: guide groove, 32: pivot pin, 33: shock absorber.

Claims (3)

[Claims] 1. A distance measuring instrument main body having left and right wheels attached to a drive shaft of a rotary counter having a surveying distance display section, the distance measuring instrument body being capable of measuring a distance by rotation of the wheel, and a rotary counter of the distance measuring instrument main body. And a working machine that travels on a road or the like that is attached to the end of the arm via a rotating mechanism that vertically rotates. A distance measuring instrument comprising: a mounting tool that can be detachably mounted on the distance measuring instrument. 2. A distance measuring instrument body having left and right wheels attached to a drive shaft of a rotary counter having a surveying distance display section, the distance measuring instrument body being capable of measuring a distance by rotation of the wheel, and a rotary counter of the distance measuring instrument body. And a working machine that travels on a road or the like attached to the end of the arm via a turning mechanism that rotates vertically to the end of the arm. A mounting device formed of a magnet which can be detachably attached to the distance measuring device, and a distance provided when a wheel of the distance measuring device main body provided on the arm or the distance measuring device main body rides on an obstacle such as a pebble. A distance measuring instrument comprising a jump preventing means which can prevent the measuring instrument body from jumping. 3. A distance measuring instrument main body having left and right wheels attached to a drive shaft of a rotary counter having a surveying distance display section, the distance measuring instrument body being capable of measuring a distance by rotation of the wheel, and a rotary counter of the distance measuring instrument main body. And a working machine that travels on a road or the like that is attached to the end of the arm via a rotating mechanism that vertically rotates. A mounting device formed of a magnet that can be detachably attached to the arm, and a distance provided when a wheel of the distance measuring device main body provided on the arm or the distance measuring device main body rides on an obstacle such as a pebble. When the surveying instrument main body can prevent the jumping-up preventing means, and the wheel of the distance measuring instrument main body formed on the arm rides on an obstacle such as a pebble, A distance measuring instrument comprising: an absorbing mechanism capable of absorbing a rightward and leftward sway of the distance measuring instrument main body.