CN209945260U - Portable tower goes up arc viewing device that hangs down - Google Patents
Portable tower goes up arc viewing device that hangs down Download PDFInfo
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- CN209945260U CN209945260U CN201921027116.9U CN201921027116U CN209945260U CN 209945260 U CN209945260 U CN 209945260U CN 201921027116 U CN201921027116 U CN 201921027116U CN 209945260 U CN209945260 U CN 209945260U
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Abstract
The utility model provides an arc observation device that hangs down on portable tower, the utility model relates to a transmission line technical field, telescope subassembly sets up in one side of casing outside, and telescope subassembly's shell is connected fixedly with the outer end of main shaft, the inner of main shaft utilizes the ball to connect in the axle sleeve soon, the inside at the casing is fixed to the axle sleeve, and the inner and the grating angle measurement subassembly of main shaft are connected fixedly, the automatically controlled connection of singlechip in grating angle measurement subassembly and the screen subassembly, be connected with power key and zero clearing key on the singlechip, this power key and zero clearing key all reveal the outside of establishing at the casing, display in the screen subassembly inlays to be established in the lateral wall of casing, the screen subassembly is connected with the battery electricity, the bottom at the casing is fixed to the battery. Through the setting of telescope for the scale is more clear, and the precision is high, can show the temperature in real time simultaneously, and the data statistics of being convenient for avoids the temperature to measurement accuracy's influence, and the practicality is stronger.
Description
Technical Field
The utility model relates to a transmission line technical field, concretely relates to portable tower goes up arc observation device that hangs down.
Background
The mainstream mode of observation of the sag in the power transmission line construction adopts a method of binding the sag plate to form a parallelogram for observation of the sag, and the method can be implemented by experienced workers without special tools and devices. The method is suitable for being applied in line projects below 220kV, and with the large-scale construction of extra-high voltage projects, due to the characteristic that auxiliary materials of extra-high voltage tower body structures are rare, the binding of the sag plates is difficult; the large span causes the difficulty of visual observation, the large sag error and other problems, and the angle method adopted on the ground to see the sag also has a plurality of restriction factors and cannot be popularized. Some enterprises try to study novel arc observation device that hangs down, send the observation device that hangs down based on GPS arc of transformer development in river cloud section like Anhui, the device is for non-optical observation arc hangs down, can solve dense fog, the observation difficult problem that hangs down of arc night, but the device need establish GPS difference basic station and data transfer radio station, and the complicated non-professional of equipment can't operate, can not solve general problem. Chengde power supply company has produced an iron tower earth wire arc measuring device that hangs down for solve the technical problem that needs the manual work to tie the arc board that hangs down many times through the scheme of tying the arc board that hangs down on the iron tower among the prior art, complex operation makes the lower efficiency of arc measurement that hangs down. The device arranges a horizontal observation plate on a support rod which can be extended and contracted to adjust the length by utilizing a first universal connection structure, the support rod is arranged on an iron tower fixing structure which is fixedly connected on an iron tower by utilizing a second universal connection structure, and then the universal connection structure connected with the horizontal observation plate can be adjusted to adjust a measuring scale fixing device to be in a horizontal position by observing and leveling bubbles in a bubble tube, and the horizontal height of the horizontal line where the horizontal observation plate is positioned can be adjusted by adjusting the length of the support rod, therefore, when the device is used for measurement, the horizontal observation plate of each measuring device is rotated to a horizontal state by twisting the first universal connection structure through the iron tower fixing structures which are respectively and fixedly connected with the measuring devices on the connected iron tower, and then two measuring scales are fixed with the corresponding iron towers through the measuring scale fixing devices corresponding to the two measuring scales, and under the condition of keeping the measured values obtained by the two measuring scales to be consistent, adjusting the supporting rods on the two measuring devices to enable the connecting line between the two horizontal observation plates to be parallel to the ground wire, and obtaining the measured value of the measuring scale on any one horizontal observation plate at the moment to be used as the sag of the ground wire between the two iron towers.
The device aims to provide a level ruler for sag observation, and due to the fact that a telescope and vertical angle reading are not available, the device is very limited in use, and the problem of sag observation of extra-high voltage and large span can not be solved. Because no suitable special sag observation device on the tower exists in the market, and the sag observation requirement of line construction is higher and higher, the development of a special portable optical sag observation device is necessary for integrating the reasons.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a reasonable in design's portable tower goes up arc viewing device that hangs down, through the setting of telescope for the scale is more clear, and the precision is high, can show the temperature in real time simultaneously, and the data statistics of being convenient for avoids the temperature to measurement accuracy's influence, and the practicality is stronger.
In order to achieve the above purpose, the utility model adopts the following technical proposal: it comprises a measuring mechanism and a fixing mechanism;
the measuring mechanism consists of a telescope component, a screen component, a grating angle measuring component, a main shaft, a shaft sleeve, a shell, a pitching micromotion mechanism, a pitching tightening mechanism and a battery; the telescope component is arranged outside one side of the shell, a shell of the telescope component is fixedly connected with the outer end of the spindle, the inner end of the spindle is screwed in the spindle sleeve by using a ball, the spindle sleeve is fixed inside the shell, the inner end of the spindle is fixedly connected with the grating angle measuring component, the grating angle measuring component is electrically connected with a single chip microcomputer in the screen component, the single chip microcomputer is connected with a power key and a zero clearing key, the power key and the zero clearing key are exposed outside the shell, a display in the screen component is embedded in the side wall of the shell, the screen component is electrically connected with a battery, and the battery is fixed at the bottom of the shell; a pitching micro-motion mechanism is arranged on one side of the grating angle measurement component, a pitching tightening mechanism is movably arranged in the middle of the pitching micro-motion mechanism in a penetrating mode, the inner end of the pitching tightening mechanism is abutted against a connecting disc of the grating angle measurement component, and a threaded end of the pitching tightening mechanism penetrates through the side wall of the shell and then is arranged outside the shell;
the fixing mechanism consists of a connecting rod, a base supporting platform clamping assembly, a universal adjusting mechanism and a base; one end of the connecting rod is adjustably and fixedly connected with a clamping assembly through a universal adjusting mechanism, the other end of the connecting rod is connected with a base supporting platform, and a base is fixed on the base supporting platform; the measuring mechanism is fixed on the base through a fixing plate which is integrally formed on the outer side of the bottom of the shell.
Furthermore, a temperature sensor is connected to the screen assembly; the temperature sensor displays real-time temperature, so that data statistics is facilitated, and the influence of the temperature on the measurement precision is avoided.
Furthermore, the telescope component consists of an objective lens part, a focusing part, a level, an eyepiece lens part and a telescope shell; the inner side surface of the outer wall of the middle of the telescope shell is fixedly connected with the main shaft, an objective part is fixed at one end of the telescope shell, a focusing part is arranged on the objective part, an eyepiece part is fixed at the other end of the telescope shell, and a level is arranged on the outer side surface of the outer wall of the middle of the telescope shell.
Furthermore, the grating angle measuring component also comprises a main grating, an auxiliary grating, an infrared light-emitting circuit board and a photoelectric receiving circuit board; the connecting disc is fixed at the inner end of the main shaft, the main grating is fixed at the periphery of the connecting disc, the upper part and the lower part of the outer ring wall of the main grating are both fixed with the auxiliary grating, the outer side surface of the main grating is provided with an infrared light-emitting circuit board, and the inner side surface of the main grating is provided with a photoelectric receiving circuit board.
Furthermore, the universal adjusting mechanism consists of an adjusting bolt, a fixed seat and an adjusting seat; the adjusting seat is fixed at the end part of the connecting rod, the adjusting seat is movably inserted into a U-shaped groove of the fixing seat, the fixing seat is fixed on the side wall of the clamping assembly, and the adjusting seat and the fixing seat are connected and fixed through an adjusting bolt.
Furthermore, the base is composed of a bottom plate, a corner screw assembly, a fastening hand wheel, a horizontal micro-motion assembly and a panel; the bottom plate is fixed on the base supporting platform, a plurality of angle screw assemblies are used for connection and fixation between the bottom plate and the panel, a sleeve is movably inserted in the panel, a fastening hand wheel penetrates through a hole in the fixing plate and then is fixedly connected with an internal thread of the sleeve, a horizontal micro-motion assembly is fixed on the upper surface of the panel, and the output end of the horizontal micro-motion assembly is movably connected with a connecting rod on the outer wall of the sleeve.
After the structure is adopted, the beneficial effects of the utility model are that: the utility model provides a portable tower goes up arc viewing device that hangs down through the setting of telescope for the scale is more clear, and the precision is high, can show the temperature in real time simultaneously, and the data statistics of being convenient for avoids the temperature to measurement accuracy's influence, and the practicality is stronger.
Description of the drawings:
fig. 1 is a schematic structural diagram of a measuring mechanism in the present invention.
Fig. 2 is a schematic view of the internal structure of the middle housing of the present invention.
Fig. 3 is a sectional view taken along line a-a in fig. 1.
Fig. 4 is a schematic structural diagram of the middle fixing mechanism of the present invention.
Fig. 5 is a schematic diagram of the distribution of the balls in the present invention.
Fig. 6 is an electric control block diagram of the present invention.
FIG. 7 is a schematic diagram illustrating operation of the first embodiment.
FIG. 8 is an operation diagram of the second embodiment.
Description of reference numerals:
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to fig. 6, the following technical solutions are adopted in the present embodiment: it comprises a measuring mechanism and a fixing mechanism;
the measuring mechanism consists of a telescope component 1, a screen component 2, a grating angle measuring component 3, a main shaft 4, a shaft sleeve 5, a shell 6, a pitching micromotion mechanism 7, a pitching tightening mechanism 8 and a battery 9; the telescope component 1 is arranged outside one side of the shell 6, and the telescope component 1 consists of an objective part 1-1, a focusing part 1-2, a level 1-3, an eyepiece part 1-4 and a telescope shell 1-5; an objective lens part 1-1 is fixed at one end of a telescope shell 1-5, a focusing part 1-2 is arranged on the objective lens part 1-1, an objective lens part 1-4 is fixed at the other end of the telescope shell 1-5, a level 1-3 is arranged on the outer side surface of the outer wall of the middle part of the telescope shell 1-5 (the working principle of the telescope component 1 is the prior art and is not described herein), the inner side surface of the outer wall of the middle part of the telescope shell 1-5 is welded and fixed with the outer end of a main shaft 4, the inner end of the main shaft 4 is screwed in a shaft sleeve 5 by using balls, the shaft sleeve 5 is fixed inside a shell 6 by using bolts, and the grating angle measuring component 3 further comprises a main grating 3-2, an auxiliary grating 3-3, an infrared light-emitting circuit board 3-4 and a photoelectric; a connecting disc 3-1 is fixed at the inner end of a main shaft 4 in a bolt connection mode, a main grating 3-2 is fixed at the periphery of the connecting disc 3-1, auxiliary gratings 3-3 are fixed on the upper portion and the lower portion of the outer ring wall of the main grating 3-2 in a bolt connection mode, an infrared light-emitting circuit board 3-4 is arranged on the outer side face of the main grating 3-2, a photoelectric receiving circuit board 3-5 is arranged on the inner side face of the main grating 3-2, the auxiliary gratings 3-3, the infrared light-emitting circuit board 3-4 and the photoelectric receiving circuit board 3-5 are electrically connected with a single chip microcomputer 2-3 in a screen assembly 2, the single chip microcomputer 2-3 is electrically connected with a battery 9, a power key and a zero clearing key are connected onto the single chip microcomputer 2-3, the power key and the zero clearing key are exposed outside a shell 6, a display 2-, the screen component 2 is connected with a temperature sensor 2-2; the temperature sensor 2-2 displays real-time temperature, so that data statistics is facilitated, the influence of the temperature on measurement accuracy is avoided, and the battery 9 is fixed at the bottom of the shell 6; a pitching micro-motion mechanism 7 is arranged on one side of the grating angle measuring component 3, the inner end of an adjusting rod 7-1 in the pitching micro-motion mechanism 7 penetrates through the top wall of the shell 6 and then is arranged in the shell 6, a buffer column 7-2 in the pitching micro-motion mechanism 7 is movably arranged on the bottom wall of the shell 6 up and down through a fixed cylinder, a pitching tightening mechanism 8 is movably arranged between the inner end of the adjusting rod 7-1 and the buffer column 7-2 in a penetrating manner, the inner end of the pitching tightening mechanism 8 is abutted against a connecting disc 3-1 of the grating angle measuring component 3, and the threaded end of the pitching tightening mechanism 8 penetrates through the side wall of the shell 6 and then is arranged outside the shell 6;
the fixing mechanism consists of a connecting rod 10, a base supporting platform 11, a clamping assembly 12, a universal adjusting mechanism 13 and a base 14; the universal adjusting mechanism 13 consists of an adjusting bolt 13-1, a fixed seat 13-2 and an adjusting seat 13-3; the adjusting seat 13-3 is fixed at the end part of the connecting rod 10, the adjusting seat 13-3 is movably inserted in a U-shaped groove of the fixed seat 13-2, and the adjusting seat 13-3 and the fixed seat 13-2 are connected and fixed through an adjusting bolt 13-1; the fixed seat 13-2 and the clamping component 12 are welded and fixed into a whole, the other end of the connecting rod 10 is connected with a base supporting platform 11 through a bolt, and a base 14 is fixed on the base supporting platform 11; the measuring mechanism is fixed on the upper surface of a panel 14-5 in the base 14 through a fixing plate 6-1 integrally formed on the outer side of the bottom of the shell 6; the base 14 also comprises a bottom plate 14-1, a corner screw component 14-2, a fastening hand wheel 14-3 and a horizontal micro-motion component 14-4; a bottom plate 14-1 is fixedly connected to a base supporting platform 11 through bolts, the bottom plate 14-1 and a panel 14-5 are fixedly connected through four angle screw assemblies 14-2, a sleeve is movably inserted into the panel 14-5, a fastening hand wheel 14-3 penetrates through an opening in a fixing plate 6-1 and is fixedly connected with an internal thread of the sleeve, a horizontal micro-motion assembly 14-4 is fixedly arranged on the upper surface of the panel 14-5, the output end of the horizontal micro-motion assembly 14-4 is movably connected with a connecting rod on the outer wall of the sleeve, the fastening hand wheel 14-3 is unscrewed, and the screw of the horizontal micro-motion assembly 14-4 is rotated, so that the fine-tuning sleeve is rotated, and further the fine tuning of a measuring.
The working principle of the specific embodiment is as follows: through the telescope component 1, a far object is imaged on the reticle after being turned by the objective lens part 1-1 and the erecting prism, the image on the reticle is magnified by the ocular lens part 1-4 and then imaged at the eye pupil of a person, the person can observe a clear object image by the eye, the telescope component 1 magnifies the far object by 15 times, and the cross scale is clear and obvious; the grating angle measuring component 3 adopts an incremental grating encoder (how the grating angle measuring component 3 measures the angle belongs to the prior art, and detailed description is not provided herein) which consists of a main grating 3-2, an auxiliary grating 3-3, and an infrared light emitting tube (an infrared light emitting circuit board 3-4) and a photoelectric receiving tube (a photoelectric receiving circuit board 3-5) which are positioned at two sides of the main grating, so that the precision of the vertical angle scale reaches 30 seconds; the telescope component 1 rotates to drive the main shaft 4 to rotate, so as to drive the grating angle measuring component 3 to carry out angle adjustment, the main shaft 4 and the shaft sleeve 5 adopt a dense ball type interference fit, balls are spirally distributed in a cylindrical surface of the shaft sleeve 5, each ball rolls along a respective track, and the centering precision is high, so that the error caused by the shaking of the main shaft 4 can be ignored, the plane surface shape in contact with the balls is extremely high, the surface is hardened by quenching and the like, and the spindle has high hardness and strength, and the spindle 4 has the advantages of high precision, small temperature influence, good vibration resistance, flexible low-temperature rotation, difficulty in blocking and the like; the shell 6 is generally rectangular, and each part is irregular, and the differential design ensures that the whole observation device has compact structure and light weight and meets the requirements of miniaturization and portability; the display key has a power key and a zero clearing key, can switch display numerical value modes, has two angle display modes, and has a function of preventing false touch.
After adopting above-mentioned structure, this embodiment's beneficial effect is: this embodiment provides a portable tower goes up arc viewing device that hangs down, through the setting of telescope for the scale is more clear, and the precision is high, can show the temperature in real time simultaneously, and the data statistics of being convenient for avoids the temperature to measurement accuracy's influence, and the practicality is stronger.
The first embodiment is as follows:
referring to fig. 7, the measuring mechanism in this embodiment is not on the same horizontal plane as the sag point: the vertical angle theta is measured by the measuring mechanism, and then the sag value is calculated.
Example two:
referring to fig. 8, the measuring mechanism in this embodiment is on the same horizontal plane as the sag point: the telescope component of the measuring mechanism is adjusted to be in a horizontal state, and the wire sag is adjusted to enable the wire to be tangent to the horizontal main scale of the objective lens. Even if the state of the wire is adjusted from B to C in the figure.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a portable tower goes up arc viewing device that hangs down which characterized in that: it comprises a measuring mechanism and a fixing mechanism;
the measuring mechanism consists of a telescope component (1), a screen component (2), a grating angle measuring component (3), a main shaft (4), a shaft sleeve (5), a shell (6), a pitching micromotion mechanism (7), a pitching tightening mechanism (8) and a battery (9); the telescope assembly (1) is arranged outside one side of the shell (6), a shell of the telescope assembly (1) is fixedly connected with the outer end of the spindle (4), the inner end of the spindle (4) is screwed in the spindle sleeve (5) through balls, the spindle sleeve (5) is fixed inside the shell (6), the inner end of the spindle (4) is fixedly connected with the grating angle measuring assembly (3), the grating angle measuring assembly (3) is electrically connected with the single chip microcomputer (2-3) in the screen assembly (2), the single chip microcomputer (2-3) is connected with a power key and a zero clearing key, the power key and the zero clearing key are exposed outside the shell (6), the display (2-1) in the screen assembly (2) is embedded in the side wall of the shell (6), the screen assembly (2) is electrically connected with the battery (9), and the battery (9) is fixed at the bottom of the shell (6); a pitching micro-motion mechanism (7) is arranged on one side of the grating angle measuring component (3), a pitching tightening mechanism (8) is movably arranged in the middle of the pitching micro-motion mechanism (7) in a penetrating mode, the inner end of the pitching tightening mechanism (8) is abutted to a connecting disc (3-1) of the grating angle measuring component (3), and the threaded end of the pitching tightening mechanism (8) penetrates through the side wall of the shell (6) and then is arranged outside the shell (6);
the fixing mechanism consists of a connecting rod (10), a clamping component (12) of a base supporting platform (11), a universal adjusting mechanism (13) and a base (14); one end of the connecting rod (10) is adjustably and fixedly connected with a clamping assembly (12) through a universal adjusting mechanism (13), the other end of the connecting rod (10) is connected with a base supporting platform (11), and a base (14) is fixed on the base supporting platform (11); the measuring mechanism is fixed on the base (14) through a fixing plate (6-1) which is integrally formed on the outer side of the bottom of the shell (6).
2. The portable tower sag observation device of claim 1, wherein: the screen component (2) is connected with a temperature sensor (2-2); the temperature sensor (2-2) displays real-time temperature, so that data statistics is facilitated, and the influence of the temperature on the measurement precision is avoided.
3. The portable tower sag observation device of claim 1, wherein: the telescope component (1) consists of an objective part (1-1), a focusing part (1-2), a level gauge (1-3), an eyepiece part (1-4) and a telescope shell (1-5); the inner side surface of the middle outer wall of the telescope shell (1-5) is fixedly connected with the main shaft (4), one end of the telescope shell (1-5) is fixedly provided with an objective part (1-1), the objective part (1-1) is provided with a focusing part (1-2), the other end of the telescope shell (1-5) is fixedly provided with an eyepiece part (1-4), and the outer side surface of the middle outer wall of the telescope shell (1-5) is provided with a water level (1-3).
4. The portable tower sag observation device of claim 1, wherein: the grating angle measurement component (3) further comprises a main grating (3-2), an auxiliary grating (3-3), an infrared light-emitting circuit board (3-4) and a photoelectric receiving circuit board (3-5); the connecting disc (3-1) is fixed at the inner end of the main shaft (4), the main grating (3-2) is fixed at the periphery of the connecting disc (3-1), the upper portion and the lower portion of the outer ring wall of the main grating (3-2) are respectively fixed with the auxiliary grating (3-3), the outer side face of the main grating (3-2) is provided with the infrared light-emitting circuit board (3-4), and the inner side face of the main grating (3-2) is provided with the photoelectric receiving circuit board (3-5).
5. The portable tower sag observation device of claim 1, wherein: the universal adjusting mechanism (13) is composed of an adjusting bolt (13-1), a fixed seat (13-2) and an adjusting seat (13-3); the adjusting seat (13-3) is fixed at the end part of the connecting rod (10), the adjusting seat (13-3) is movably inserted into a U-shaped groove of the fixing seat (13-2), the fixing seat (13-2) is fixed on the side wall of the clamping component (12), and the adjusting seat (13-3) and the fixing seat (13-2) are connected and fixed through an adjusting bolt (13-1).
6. The portable tower sag observation device of claim 1, wherein: the base (14) is composed of a bottom plate (14-1), a corner screw component (14-2), a fastening hand wheel (14-3), a horizontal micro-motion component (14-4) and a panel (14-5); the bottom plate (14-1) is fixed on the base supporting platform (11), the bottom plate (14-1) and the panel (14-5) are fixedly connected through a plurality of angle screw assemblies (14-2), a sleeve is movably inserted in the panel (14-5), a fastening hand wheel (14-3) penetrates through an opening in the fixing plate (6-1) and then is fixedly connected with an internal thread of the sleeve, a horizontal micro-motion assembly (14-4) is fixed on the upper surface of the panel (14-5), and the output end of the horizontal micro-motion assembly (14-4) is movably connected with a connecting rod on the outer wall of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027116.9U CN209945260U (en) | 2019-07-03 | 2019-07-03 | Portable tower goes up arc viewing device that hangs down |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027116.9U CN209945260U (en) | 2019-07-03 | 2019-07-03 | Portable tower goes up arc viewing device that hangs down |
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| Publication Number | Publication Date |
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| CN209945260U true CN209945260U (en) | 2020-01-14 |
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| CN201921027116.9U Active CN209945260U (en) | 2019-07-03 | 2019-07-03 | Portable tower goes up arc viewing device that hangs down |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256640A (en) * | 2020-03-26 | 2020-06-09 | 郑州工程技术学院 | Overhead cable sag measuring device |
| CN111322972A (en) * | 2020-03-26 | 2020-06-23 | 郑州工程技术学院 | Sliding type cable sag measuring device |
-
2019
- 2019-07-03 CN CN201921027116.9U patent/CN209945260U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256640A (en) * | 2020-03-26 | 2020-06-09 | 郑州工程技术学院 | Overhead cable sag measuring device |
| CN111322972A (en) * | 2020-03-26 | 2020-06-23 | 郑州工程技术学院 | Sliding type cable sag measuring device |
| CN111256640B (en) * | 2020-03-26 | 2021-08-24 | 扬州三久机械有限公司 | Overhead cable sag measuring device |
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Effective date of registration: 20200427 Address after: 230000 Hongyuan building, No. 1599, Huaining Road, Anhui, Hefei Co-patentee after: CONSTRUCTION BRANCH OF STATE GRID ANHUI ELECTRIC POWER Co.,Ltd. Patentee after: ANHUI TRANSMISSION AND TRANSFORMATION ENGINEERING Co.,Ltd. Address before: 230000 Hongyuan building, No. 1599, Huaining Road, Anhui, Hefei Patentee before: ANHUI TRANSMISSION AND TRANSFORMATION ENGINEERING Co.,Ltd. |