KR20020073010A - A measuring rule for measuring slope angle - Google Patents

A measuring rule for measuring slope angle Download PDF

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Publication number
KR20020073010A
KR20020073010A KR1020010013150A KR20010013150A KR20020073010A KR 20020073010 A KR20020073010 A KR 20020073010A KR 1020010013150 A KR1020010013150 A KR 1020010013150A KR 20010013150 A KR20010013150 A KR 20010013150A KR 20020073010 A KR20020073010 A KR 20020073010A
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South Korea
Prior art keywords
ruler
slope
gradient
water
auxiliary
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KR1020010013150A
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Korean (ko)
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KR100413952B1 (en
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조행래
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극동엔지니어링(주)
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Priority to KR10-2001-0013150A priority Critical patent/KR100413952B1/en
Publication of KR20020073010A publication Critical patent/KR20020073010A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
    • G01C9/26—Details
    • G01C9/32—Means for facilitating the observation of the position of the bubble, e.g. illuminating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02—Rulers with scales or marks for direct reading
    • G01B3/04—Rulers with scales or marks for direct reading rigid
    • G01B3/06—Rulers with scales or marks for direct reading rigid folding
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

PURPOSE: A slope measurement ruler is provided to reduce manpower and waste of time and improve construction management and quality, while achieving improved portability of the measurement ruler. CONSTITUTION: A slope measurement ruler comprises an auxiliary scale ruler(10) positioned at a slope surface; a water ruler(20) coupled to be rotatable at an end of the auxiliary scale ruler, and which has a receipt part(26) formed at the upper portion of the water ruler in the lengthwise direction of the water ruler so as to contain water and air droplet; and a slope scale ruler(30) coupled to be rotatable at the other end of the auxiliary scale ruler, and which has slope scales marked in the lengthwise direction of the slope scale ruler. The water ruler includes a groove(28) for accommodating the slope scale ruler at the point crossing the slope scale ruler, in such a manner that the slope scale ruler is movable in a lengthwise direction; and a transparent acrylic plate covering the groove.

Description

경사도 측량자{A measuring rule for measuring slope angle}A measuring rule for measuring slope angle

본 발명은 경사도 측량자에 관한 것으로, 특히 토목공사 현장에서 도로 경사, 절, 성토 사면 등의 각종 경사 측정시 손쉽게 사용할 수 있도록 간단하게 제작되어 운반 및 휴대가 용이한 경사도 측량자에 관한 것이다.The present invention relates to an inclination surveyor, and more particularly, to an inclination surveyor that is simply manufactured so that it can be easily used when measuring various inclinations such as road inclination, section, fill slope, etc. in a civil engineering site.

종래는 성토부 및 절토 법면부 경사 또는 도로의 편구배, 종단구배의 경사도와 기울기(%)의 측량 및 검측 확인방법은 측량기, 광파기 등의 기구를 사용하거나, 또는 장비 작업자들의 눈대중 또는 POIE(간이자)로 확인하였다.Conventionally, the method of measuring and detecting the slope of the fill section and the cut surface section or the slope of the road, the slope and the slope of the longitudinal gradient, and the measurement of the slope (%) by using an instrument such as a measuring instrument, a light drill, or the eyes of the equipment workers or POIE Interest).

하지만, 이러한 종래의 경사도 확인 방법에는 시공편차의 발생으로 재측정에 인한 시간낭비가 있었고, 측정시 과다인력투입으로 인력손실이 발생하였다.However, in the conventional method of checking the slope, there was a waste of time due to re-measurement due to the occurrence of construction deviation, and a loss of manpower due to excessive manpower input during measurement.

또한, 측정 장비인 고가 장비를 현장에 항상 설치하여야 하므로 도난의 위험성이 상존함과 함께, 장비를 설치하고자 하는 작업장의 협소로 인한 설치여건 결여 등 해결하기 힘든 많은 문제점이 있었다.In addition, since expensive equipment, which is a measuring equipment, must always be installed in the field, there are many problems that are difficult to solve, such as lack of installation conditions due to the narrowness of the workplace to install the equipment.

이에 본 발명은 상기와 같은 종래의 제반 문제점을 해소하기 위해 제안된 것으로, 본 발명의 목적은 경사도 측정에 시간낭비, 인력손실 등 경제적 손실을 방지하고 고가장비를 사용치 않고도 노무자 등 누구나 쉽게 사용할 수 있어 시공관리를 향상시킬 수 있는 경사도 측정자를 제공하는 데 있다Accordingly, the present invention has been proposed to solve the above-mentioned conventional problems, and the object of the present invention is to prevent economic loss such as waste of time and manpower in measuring tilt, and to be easily used by anyone including laborers without using expensive equipment. To provide a slope measurer that can improve construction management

또한, 본 발명의 또 다른 목적은 항상 휴대 및 소지가 용이하여 적시에 확인, 검측할 수 있고, 제작비용도 저렴한 경사도 측량자를 제공하는 데 있다.In addition, another object of the present invention is to provide an inclined surveyor that can always be easily carried and carried, can be checked and detected in a timely manner, and the manufacturing cost is low.

도1은 본 발명에 의한 경사도 측량자의 편 상태도이고,1 is a one-state diagram of a gradient surveyor according to the present invention,

도2는 도1의 경사도 측량자를 휴대가 간편하도록 접은 상태도이고,Figure 2 is a state diagram folded to simplify the inclination surveyor of Figure 1,

도3은 도1의 A 부분의 확대도이고,3 is an enlarged view of a portion A of FIG. 1;

도4는 도1에서 경사도 눈금자의 확대도이다.4 is an enlarged view of the gradient ruler in FIG.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10 : 보조용 눈금자14 : 리벳10: auxiliary ruler 14: rivet

15 : 끼움편19 : 아크릴판15: fitting 19: acrylic plate

20 : 물 수평자22 : 물20: water leveler 22: water

24 : 공기방울26 : 수용부24: air bubble 26: accommodating part

28 : 수용홈30 : 경사도 눈금자28: receiving groove 30: gradient ruler

35 : 오목홈35: concave groove

상기와 같은 목적을 달성하기 위하여 본 발명에 의한 경사도 측량자는, 경사면에 위치시키는 보조용 눈금자와; 상기 보조용 눈금자의 일단에 회전 가능하게 결합되고 상부에는 길이 방향으로 소정구간 물과 공기방울을 수용하는 수용부를 구비한 물 수평자와; 상기 보조용 눈금자의 타단에 회전 가능하게 결합되고 길이 방향으로 경사도 눈금이 표시된 경사도 눈금자를 포함하는 것을 그 기술적 구성상 특징으로 한다.In order to achieve the above object, the inclination surveyor according to the present invention, the auxiliary ruler located on the inclined surface; A water leveler rotatably coupled to one end of the auxiliary ruler and having an accommodating part configured to receive water and air bubbles at a predetermined distance in an upper direction thereof; Technically, it comprises a gradient ruler rotatably coupled to the other end of the auxiliary ruler and marked with a gradient scale in the longitudinal direction.

여기서 상기 물 수평자에는, 경사도 눈금자와 교차하는 지점에 경사도 눈금자를 길이 방향으로 이동 가능하게 수용하는 수용홈과; 상기 수용홈의 개방구를 덮는 투명한 아크릴판을 더욱 포함하는 것이 바람직하다.Here, the water leveler, and the receiving groove for accommodating the gradient ruler in the longitudinal direction at the point of intersection with the gradient ruler; It is preferable to further include a transparent acrylic plate covering the opening of the receiving groove.

또한, 상기 경사도 눈금자에는, 노면배수도 눈금이 더욱 표시된 것이 바람직하다.Further, it is preferable that the road surface drainage scale is further displayed on the gradient ruler.

이하, 상기와 같은 본 발명에 의한 경사도 측량자의 기술적 사상에 따른 일실시예를 첨부된 도면에 의거 상세히 설명하면 다음과 같다.Hereinafter, an embodiment according to the technical idea of the slope surveyor according to the present invention as described above in detail based on the accompanying drawings.

도1은 본 발명에 의한 경사도 측량자의 편 상태도이다.1 is a one-state diagram of an inclined surveyor according to the present invention.

이에 도시된 바와 같이 본 발명은 경사면에 위치시키는 보조용 눈금자(10)와 물 수평자(20)와 경사도 눈금자(30)로서 구성된다.As shown in the drawing, the present invention is configured as an auxiliary ruler 10, a water leveler 20, and an inclination ruler 30 positioned on an inclined surface.

상기 보조용 눈금자(10)에는 cm단위의 보조용 눈금이 표시되어 일반자로서의 측정에도 활용될 수 있게 구성하는 것이 바람직하다.It is preferable that the auxiliary ruler 10 is configured to be used in the measurement as a general ruler by displaying the auxiliary scale in cm unit.

상기 물 수평자(20)와 상기 경사도 눈금자(30)는 상기 보조용 눈금자(10)의 양단에 리벳(14)등의 결합수단으로 회전 가능하게 결합된다.The water leveler 20 and the gradient ruler 30 is rotatably coupled to both ends of the auxiliary ruler 10 by a coupling means such as a rivet 14.

이와 같이 리벳(14)으로 결합됨으로서 본 발명은 접거나 펴는 것이 가능하게 된다.Thus, by being combined with the rivet 14, the present invention can be folded or unfolded.

상기 물 수평자(20)의 상부에는 길이 방향으로 소정구간 물(22)과 같은 유체와 공기방울(24)을 수용하는 수용부(26)를 구비한다.The upper portion of the water leveler 20 is provided with a receiving portion 26 for receiving a fluid and air bubbles 24, such as water 22 in a predetermined section in the longitudinal direction.

상기 공기방울(24)은 상기 물(22) 속에 형성되어 상기 물 수평자(20)가 수평의 위치에 있는지를 지시하는 역할을 수행한다.The air bubbles 24 are formed in the water 22 to indicate whether the water leveler 20 is in a horizontal position.

즉, 상기 공기방울(24)이 상기 수용부(26)의 정 중앙에 위치하면 상기 물 수평자(20)가 수평의 위치에 있는 것이다.That is, when the air bubble 24 is located at the center of the receiving portion 26, the water leveler 20 is in a horizontal position.

상기 수용부(26)는 이와 같이 물(22) 속에 형성된 공기방울(24)을 볼 수 있도록 투명한 원통형의 관으로 형성되는 것이 바람직하다.The receiving portion 26 is preferably formed of a transparent cylindrical tube so that the air bubbles 24 formed in the water 22 can be seen.

상기 경사도 눈금자(30)에는 길이 방향으로 경사도 눈금이 표시되어 있어 측정되는 경사면의 경사도를 나타내도록 구성되어 있다.The inclination scale 30 is displayed in the longitudinal direction in the inclination ruler 30 is configured to indicate the inclination of the inclined surface measured.

도2는 도1의 경사도 측량자를 휴대가 간편하도록 접은 상태도이다.FIG. 2 is a state diagram of the inclination surveyor of FIG.

여기에는 도면상 상부에서 하부로 물 수평자(20), 경사도 눈금자(30), 보조용 눈금자(10)의 순서로 도시되어 있다.It is shown in the order of the water leveler 20, the gradient ruler 30, the auxiliary ruler 10 from the top to the bottom in the figure.

이와 같이 물 수평자(20)와 보조용 눈금자(10) 사이에 경사도 눈금자(30)가 위치되므로 상기 물 수평자(20)와 보조용 눈금자(10)는 소정의 간격으로 이격되어 결합될 필요가 있으며, 이를 위해 상기 물 수평자(20)와 보조용 눈금자(10)를 리벳(14)으로 결합되는 위치에 상기 리벳(14)에 끼워지고 소정의 크기를 갖는 끼움편(15)을 상기 물 수평자(20)와 보조용 눈금자(10) 사이의 위치에 설치하는 것이 바람직하다.As such, since the gradient ruler 30 is positioned between the water leveler 20 and the auxiliary ruler 10, the water leveler 20 and the auxiliary ruler 10 need to be spaced apart at predetermined intervals. For this purpose, the water leveler 20 and the auxiliary ruler 10 is fitted to the rivet 14 at a position where the rivet 14 is coupled to the fitting piece 15 having a predetermined size to the water level It is preferable to install at a position between the ruler 20 and the auxiliary ruler 10.

또한, 상기 경사도 눈금자(30)에는 상기 끼움편(15)에 걸려 졉혀지지 않는것을 방지하기 위하여 오목홈(35)이 구비된다.In addition, the inclined ruler 30 is provided with a concave groove 35 to prevent being caught in the fitting piece (15).

도3은 도1의 A 부분의 확대도이다.3 is an enlarged view of a portion A of FIG.

도시된 바와 같이, 상기 물 수평자(20)에는 경사도 눈금자(30)와 교차하는 지점에 경사도 눈금자(30)를 수용하는 수용홈(28)이 구비되고, 상기 수용홈(28)의 개방구에는 이를 덮는 투명한 아크릴판(19)이 리벳못(27)으로 고정설치되어 있다.As shown, the water leveler 20 is provided with a receiving groove 28 for receiving the gradient ruler 30 at the point intersecting the gradient ruler 30, the opening of the receiving groove 28 Transparent acrylic plate 19 covering this is fixed to the rivet nail (27).

이러한 구성으로서 상기 수용홈(28) 내에는 경사도 눈금자(30)를 삽입하여 길이 방향으로 이동이 가능하게 되고 상기 경사도 눈금자(30)와 상기 물 수평자(20)가 결합되므로 측정이 용이하게 된다.In such a configuration, the inclined ruler 30 is inserted into the accommodation groove 28 to be movable in the longitudinal direction, and the inclined ruler 30 and the water leveler 20 are coupled to facilitate measurement.

여기서, 상기 물 수평자(20)의 하부선과 교차하는 상기 경사도 눈금자(30)의 중앙선(일점쇄선)에 해당되는 눈금이 측정하고자 하는 경사도가 된다.Here, the scale corresponding to the center line (single dashed line) of the inclination ruler 30 that crosses the lower line of the water level ruler 20 is an inclination to be measured.

도4는 도1에서 경사도 눈금자(30)의 확대도이다.4 is an enlarged view of the gradient ruler 30 in FIG.

도시된 바와 같이, 상기 경사도 눈금자(30)에는, 경사도 눈금(31)과 함께 노면배수도 눈금(33)이 표시되는 것이 바람직하다.As shown, it is preferable that the road surface drainage scale 33 is displayed on the gradient ruler 30 together with the gradient scale 31.

여기서 좌측의 구멍(37)은 보조용 눈금자(10)와 결합시 사용되는 리벳(14)을 끼우는 구멍이고 우측의 오목홈(35)은 경사도 측량자를 접었을 때 끼움편(15)에 걸리지 않도록 형성된 홈이다.Here, the hole 37 on the left side is a hole into which the rivet 14 used to be coupled with the auxiliary ruler 10 is formed, and the recessed groove 35 on the right side is a groove formed so as not to be caught by the fitting piece 15 when the slope measurer is folded. to be.

이와 같이 구성된 본 발명에 의한 경사도 측량자의 경사도 측량자의 동작과 이를 사용한 측정방법을 상세히 설명하면 다음과 같다.Referring to the operation of the gradient surveyor and the measuring method using the same of the gradient surveyor according to the present invention configured as described above are as follows.

먼저, 본 발명에 의한 경사도 측량자는 현장에서 휴대하기가 용이하도록 접이식으로 제작되었다.First, the inclination surveyor according to the present invention was made to be foldable to be easy to carry in the field.

즉, 보조용 눈금자(10)의 양단에서 물 수평자(20)와 경사도 눈금자(30)가 회전 가능하도록 리벳(14)을 사용하여 결합된다.That is, the water leveler 20 and the gradient ruler 30 are coupled using the rivet 14 so as to be rotatable at both ends of the auxiliary ruler 10.

상기 리벳(14)을 중심으로 물 수평자(20)와 경사도 눈금자(30)를 회전시켜 보조용 눈금자(10)와 일치시킴으로서 도2에서와 같이 경사도 측량자를 접은 상태를 만들면 차지하는 공간이 적어 휴대하기가 간편해진다.By rotating the water leveler 20 and the inclination ruler 30 around the rivet 14 to match the auxiliary ruler 10, as shown in FIG. Becomes simpler.

여기서, 본 발명은 경사도 측량자를 사용하기 위해서는 도2에서와 같이 접은 상태의 경사도 측량자의 경사도 눈금자(30)와 물 수평자(20)를 상기 리벳(14)을 중심으로 회전시켜 도1에서와 같이 펼치면 된다.Here, in order to use the inclination surveyor, the inclination ruler 30 and the water leveler 20 of the inclination surveyor in a folded state as shown in FIG. 2 are rotated about the rivet 14, as shown in FIG. Expand it.

한편, 경사도 눈금 읽는 방법은 성토부 및 절토 법면부 등 측정대상 경사면에 보조용 눈금자(10)를 갖다 대고 물 수평자(20)를 이용하여 수평을 맞춘다. 즉, 물 수평자(20)의 수용부(26) 내부에 수용된 공기방울(24)이 정 중앙 상태에 있으면 수평 유지상태임을 표시하므로 상기 공기방울(24)이 수용부(26) 내에서 정 중앙에 오도록 맞춘다.On the other hand, the method of reading the inclination scale is leveled by using the water leveler 20 with the auxiliary ruler 10 on the measurement target inclined surface, such as fill section and cut surface. That is, when the air bubbles 24 accommodated in the accommodating part 26 of the water leveler 20 are in the center state, the air bubbles 24 are in the center part in the accommodating part 26. To come in.

그리고, 물 수평자(20)와 경사도 눈금자(30)가 교차하는 측정지점에서 경사도 눈금자(30)의 눈금을 읽으면 된다.Then, the scale of the gradient ruler 30 may be read at the measurement point where the water leveler 20 and the gradient ruler 30 intersect.

즉, 상기 물 수평자(20)의 하부선과 교차하는 상기 경사도 눈금자(30)의 중앙선(일점쇄선)에 해당되는 눈금을 읽으면 측정하고자 하는 경사면의 경사도가 된다.That is, when reading the scale corresponding to the center line (single dashed line) of the inclination ruler 30 that intersects the lower line of the water leveler 20, the inclination of the inclined surface to be measured.

이와 같은 본 발명은 현장에서 휴대하기가 용이하도록 접이식으로 제작하였으며, 성토부 및 절토 법면부의 경사면 경사도와 기울기(%)를 확인할 수 있도록 함과 보조용 눈금자(10)를 설치하여 현장 기술자에게 상세하고 정확한 시공성, 실용성, 편리성을 제공하도록 발명하였다.Such a present invention was manufactured to be foldable to be easy to carry in the field, so that the slope and inclination (%) of the inclined surface portion and cut surface portion can be checked and the auxiliary ruler (10) is installed to the field technician in detail and Invented to provide accurate workability, practicality and convenience.

이상에서 본 발명의 바람직한 실시예를 설명하였으나, 본 발명은 다양한 변화와 변경 및 균등물을 사용할 수 있다. 본 발명은 상기 실시예를 적절히 변형하여 동일하게 응용할 수 있음이 명확하다. 따라서 상기 기재 내용은 하기 실용신안등록청구범위의 한계에 의해 정해지는 본 발명의 범위를 한정하는 것이 아니다.Although the preferred embodiment of the present invention has been described above, the present invention may use various changes, modifications, and equivalents. It is clear that the present invention can be applied in the same manner by appropriately modifying the above embodiments. Therefore, the above description does not limit the scope of the present invention as defined by the limits of the following utility model registration claims.

이상에서 살펴본 바와 같이, 본 발명에 의한 경사도 측량자는 도로공사 성토부 및 절토부 법면의 경사면 작업상태가 설계도와 일치하는지를 공사중 기술자가 쉽게 비교, 검토 확인 가능하고 고가장비를 사용치 않고도 노무자등 누구나 쉽게 사용할 수 있어 경사도 측정에 시간낭비, 인력손실 등 경제적 손실을 방지할 수 있는 효과가 있게 된다.As described above, the slope surveyor according to the present invention can easily compare, review and check whether the working condition of the slope of the road construction embankment and cut section is consistent with the design drawings, and anyone, including laborers, without using expensive equipment It can be used to prevent economic loss such as waste of time and manpower in measuring slope.

또한, 본 발명에 의한 경사도 측량자는 접이식으로 크기를 줄일 수 있어 항상 휴대 및 소지가 용이하여 적시에 확인, 검측할 수 있고, 제작비용도 저렴한 효과가 있게 된다.In addition, the inclination surveyor according to the present invention can be reduced in size by folding, always easy to carry and carry, can be checked and detected in a timely manner, the production cost is also low cost effect.

Claims (2)

경사면에 위치시키는 보조용 눈금자와;An auxiliary ruler positioned on an inclined surface; 상기 보조용 눈금자의 일단에 회전 가능하게 결합되고 상부에는 길이 방향으로 소정구간 물과 공기방울을 수용하는 수용부를 구비한 물 수평자와;A water leveler rotatably coupled to one end of the auxiliary ruler and having an accommodating part configured to receive water and air bubbles at a predetermined distance in an upper direction thereof; 상기 보조용 눈금자의 타단에 회전 가능하게 결합되고 길이 방향으로 경사도 눈금이 표시된 경사도 눈금자를 포함하는 경사도 측량자.Gradient surveyor including a gradient ruler rotatably coupled to the other end of the auxiliary ruler and the gradient scale in the longitudinal direction. 제1항에 있어서, 상기 물 수평자에는,The water level meter according to claim 1, 경사도 눈금자와 교차하는 지점에 경사도 눈금자를 길이 방향으로 이동 가능하게 수용하는 수용홈과;A receiving groove accommodating the gradient ruler in a longitudinal direction at a point where the gradient ruler intersects with the gradient ruler; 상기 수용홈의 개방구를 덮는 투명한 아크릴판을 더욱 포함하는 경사도 측량자.Gradient surveyor further comprising a transparent acrylic plate covering the opening of the receiving groove.
KR10-2001-0013150A 2001-03-14 2001-03-14 A measuring rule for measuring slope angle KR100413952B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890573A (en) * 2016-04-07 2016-08-24 中国十七冶集团有限公司 Portable clinometers
CN106679629A (en) * 2017-01-13 2017-05-17 西南交通大学 Ruler type level gauge based on optical grating diffraction and method for measuring inclined angle of slope
CN111778928A (en) * 2020-06-19 2020-10-16 中国一冶集团有限公司 Masonry slope control device and method
CN112902807A (en) * 2021-01-14 2021-06-04 富通集团（天津）超导技术应用有限公司 Cable helix angle measuring device and measuring method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100924260B1 (en) 2008-12-08 2009-10-30 노익환 Inclination sesning apparatus and apparatus for controlling posture automatically using same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890573A (en) * 2016-04-07 2016-08-24 中国十七冶集团有限公司 Portable clinometers
CN105890573B (en) * 2016-04-07 2018-08-17 中国十七冶集团有限公司 A kind of portable gradiometer
CN106679629A (en) * 2017-01-13 2017-05-17 西南交通大学 Ruler type level gauge based on optical grating diffraction and method for measuring inclined angle of slope
CN111778928A (en) * 2020-06-19 2020-10-16 中国一冶集团有限公司 Masonry slope control device and method
CN112902807A (en) * 2021-01-14 2021-06-04 富通集团（天津）超导技术应用有限公司 Cable helix angle measuring device and measuring method

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