JP5555845B2 - Hole bending measuring device - Google Patents

Description

  The present invention relates to a hole bending measuring device, and more particularly to a novel improvement for enabling measurement in a thin hole with many bends by incorporating a measurement sensor in a sphere.

  Conventionally, as this kind of hole bending measuring device used, for example, as shown in Patent Document 1, a configuration in which a probe having wheels is reciprocated by a cable, and a rod-like probe 1 shown in FIG. In this probe 1, a hole measuring sensor 2 comprising a gyro and an accelerometer is built in.

  For example, as shown in FIG. 3 and FIG. 4, the probe 1 is wound by a cable 4 in a hole 3 such as excavation or an iron pipe, thereby measuring a length measuring device 5, a cable winder 6, and a personal computer. 7 is used to measure the shape and the like of the hole 3.

  The probe 1 is configured as shown in FIG. 4, and the detection signals 2A and 2B from the gyro 2a and the accelerometer 2b of the hole measuring sensor 2 are electronic circuit units including an A / D converter 11 and a communication circuit 12. 10, the calculation / display recording unit 14 calculates and records data through the communication circuit 13 of the personal computer 7, and measures the bending of the hole 3.

JP 2007-206025 A

Since the conventional hole bending measuring apparatus is configured as described above, the following problems exist.
That is, when the hole is a large-diameter excavation path, a large-diameter pipe, etc., the hole can be measured without problems even with a wheeled longitudinal or rod-shaped probe. Since the bent thin pipe is an angle tube of 90 °, the probe having the above-described conventional configuration cannot pass through the 90 ° bent portion and measurement is impossible.

A hole bending measuring device according to the present invention moves a probe having at least a gyro and an accelerometer through a hole through a flexible cable and uses a hole measuring sensor composed of the gyro and the accelerometer. so as to measure the hole path, the holes measuring sensor, in hole bending measuring equipment has the constitution that provided within the sphere that forms the probe, the middle sphere for the spheres forming the double several , a pair of opposite sides sphere and a pair of both outer sphere by Rinari, wherein the spherical bodies are disposed spaced apart from each other while being electrically and mechanically connected in series by said cable, said holes measuring sensor wherein the spherical bodies wherein the ones of one centrally located only provided in the center sphere body, said electronic circuit portion a pair of opposite sides balls located on both sides of the front Symbol central ball body the pores measuring sensor is built Weights or weights and electronic circuits are provided in a pair of outer spheres located on both outer sides of each of both side spheres, and the center, both sides, and both outer spheres have right-angled bent holes. It is the structure which can move along the said hole path also in a road.

Since the hole bending measuring device according to the present invention is configured as described above, the following effects can be obtained.
That is, a probe having at least a gyro and an accelerometer is moved through the hole via a flexible cable that can be bent, and the hole is measured using a hole measuring sensor including the gyro and the accelerometer. to the front Kiana measuring sensor, the probe is found located in the sphere forming the said sphere center sphere, a pair of opposite sides sphere and a pair of both outer sphere by Rinari for forming a multi few, the each sphere is disposed spaced apart from each other while being electrically and mechanically connected in series by said cable, said holes measuring sensor is provided in the central sphere within only one centrally located one of said spherical bodies is, the electronic circuit unit is provided in a pair on both sides spheres located on both sides of the front Symbol central ball body the pores measuring sensor is built, the pair of both outer sphere located on both outer sides of the both sides spheres Weight or weight and the electronic circuit is provided in the center, on both sides and two outer spheres, by which to be able to be right-angled bent shape of the hole path moves along the bore path, the elbow Even within a 90 ° bent tube such as a tube, the probe can be moved smoothly to ensure measurement.
Moreover, the probe for thin tubes by connecting each spherical body can be obtained. Furthermore, since the hole measuring sensor is built in the sphere located at the center among the spheres, the probe can move in a stable state in the hole.

It is a block diagram which shows the probe of the hole bending measuring apparatus by this invention. It is a block diagram with a partial cross section which shows the conventional probe. It is a whole block diagram which shows the hole bending measuring apparatus applied to the past and this invention. It is a whole block diagram which shows the hole bending measuring apparatus applied to the past and this invention.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a hole bending measuring device that enables measurement in a thin hole with many bends by incorporating a measurement sensor in a sphere.

Hereinafter, preferred embodiments of a hole bending measuring device according to the present invention will be described with reference to the drawings.
In addition, the same code | symbol is used for the same or equivalent part as a prior art example, and is demonstrated.
3 and 4 are the same except for the configuration of the probe, and the configuration of the apparatus itself is the same. Therefore, the configurations of FIGS. 3 and 4 are used.

Those represented by the reference numeral 1 in FIG. 1, bent portion smaller in diameter energy conduit or the like is provided inside probe into the bore path 3 composed of 90 ° or the like, the probe 1, the spherical body 2 0 A plurality of central spheres 20A, both side spheres 20B, and both outer spheres 20C are connected in series with each other via a flexible and bendable cable 11, that is, electrically and mechanically connected. The spheres 20A, 20B, and 20C are spaced apart from each other by the cable 11.

Each of the spheres 20A, 20B, and 20C has a spherical shape or a shape close to a sphere, and the cable 11 is configured to be wound around the cable winder 6 of the hole bending measuring device 15 in FIG.

Wherein the spherical bodies 20A, 20B, 20C have been shown the case of five in FIG. 1, the central sphere body 2 0A you located on the inside central A, hole measurement consisting gyro 2a and accelerometers 2b sensor 2 is built in each of both side ball body 2 0B located on both sides B of the central sphere body 2 0A you located in the center a, the 20B, processes the detection signals 2A, 2B from the hole measuring sensor 2 An electronic circuit unit 10 is built in.

The sides the two side ball body 2 0B you located in B, both outside C of 20B, i.e., the two outer sphere 2 0C located outermost of the two outer C on both sides of the spherical body 20 of the five configurations, 20C the inner, heavy Ri 10a or the electronic circuit unit 10 and the weight 10a is incorporated.

Each of the plurality of spherical bodies 2 0A of FIG. 1 described above, when using the 20B and 20C or Ranaru probe 1, by the cable 11 is wound a cable winder 6, the probe 1 is illustrated in FIG. 3 As described above, it is possible to move along the bent shape in the hole 3, measure data such as the bent shape and length of the hole 3 with the hole measuring sensor 2, and perform signal processing with the electronic circuit unit 10.

When the probe 1 of Figure 1 described above, wherein when obtained by incorporating a weight 10a on both outsides C both outer bulb body 2 in 0C you located in, when the probe 1 is moved by a cable 11, the weight 10a by preventing the raised like to stabilize the posture while moving in the bore passage 3 of the probe 1, and more spherical body 20, in right-angled bent-shaped hole path within 3, moves along the bore path 3 be able to.

When the probe 1 uses a plurality of spheres 20A, 20B, and 20C, and the hole measuring sensor 2 and the electronic circuit unit 10 are built in separate spheres 20 as shown in FIG. For the gyro 2a and the accelerometer 2b, for example, a mechanical configuration can be used.

Further, not limited to the probe 1 using a plurality of spheres 20 described above, for example, although not shown, with a central spherical body 2 0A only one positioned at the center A of FIG. 1, the one within the central sphere body 2 0A, known to built a hole measuring sensor 2 made of a semiconductor or capacitive ultra-small gyro 2a and accelerometer 2b by MEMS system, the electronic circuit portion 10 the spherical body 2 0A If the weight 10a is built in the bottom of the sphere 20A, the probe 1 using only one sphere 20A and the cable 11 can be configured.

  The hole bending measuring device according to the present invention can be applied not only to measurement of narrow holes, pipes, etc., but also to measurement of open narrow passages or gaps.

DESCRIPTION OF SYMBOLS 1 Probe 2 Hole measurement sensor 2a Gyro 2b Accelerometer 3 Hole 10 Electronic circuit part 10a Weight 11 Cable 20 Sphere
20A central sphere
20B bilateral sphere
20C both outer spheres
A center
B both sides
C both outside

Claims (1)

The probe (1) including at least the gyro (2a) and the accelerometer (2b) is moved through the hole (3) via the flexible bendable cable (11), and the gyro (2a) and the acceleration The hole (3) is measured using a hole measuring sensor (2) consisting of a meter (2b) ,
The hole measuring sensor (2), in the hole bending measuring equipment has the constitution that provided in the sphere forming the probe (1) (20),
The spherical body (20) good central sphere for making a multi few are (20A), a pair of opposite sides sphere (20B) and a pair of both outer sphere (20C) Rinari, wherein the spherical bodies (20A, 20B, 20C) is The cable (11) is electrically and mechanically connected in series and arranged at a distance from each other, and the hole measuring sensor (2) is the center (A) of the spheres (20A, 20B, 20C ). provided in the central sphere of only one located (20A) on the opposite sides of the electronic circuit unit (10) is the hole measuring sensor (2) before it is incorporated Symbol central sphere body (20A) ( B) is provided in a pair of both side spheres (20B, 20B), and in each pair of both outer spheres (20C, 20C) located on both sides (C) of each side sphere (20B, 20B) A weight (10a) or a weight (10a) and an electronic circuit (10) are provided, and the center, both sides, and both outer spheres (20A, 20B, 20C) are arranged in the right-angled bent hole (3). It is configured to be able to move along the hole (3)
Hole bending measuring device and wherein the this.

Images