JPH0664108U - Leg roll degree measuring device for installation of steel tower legs - Google Patents

Abstract

(57) [Summary] [Purpose] To measure the degree of fall of steel tower legs with high accuracy, avoiding obstacles. [Structure] An iron tower top measuring unit 30 having a measuring rod with a scale is attached to the top 2 of the steel pedestal 1, and an optical system vertical device 50 movable on the measuring rod is moved downward to a position where there is no reinforcing bar 3. To do. At the lower part of the steel tower leg, a steel tower lower part measurement unit 60 having a scale with a scale is attached. Vertical device 5
At 0, the scale of the steel tower lower part measurement unit 60 is read, L2 is measured, and the position L1 of the vertical device 50 is measured to obtain the steel tower foot rolling degree L = L2-L1.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a leg rolling degree measuring device for installing a steel tower leg, which measures the degree of rolling of the steel tower leg when installing the steel tower leg.

[0002]

[Prior art]

 In the past, when installing the steel tower legs, the degree of fall of the steel tower legs was measured by lowering it from the top of the steel tower legs and measuring it with a measuring tool at the bottom of the steel tower legs. FIG. 19 shows the measurement state, 1 is a steel tower leg, 2 is a top of the steel tower leg, and 3 is a reinforcing bar. After installing the base material (not shown), the reinforcement 3 is laid out. Fig. 2 to be described later is in a laid-out state, after which concrete is poured to form the foundation. From the point a of the steel tower leg rolling degree measurement position, the plumb bob 4 is lowered as indicated by b, and the degree of leg rolling L is measured with a ruler.

[0003]

[Problems to be solved by the device]

 Normally, the reinforcing bar 3 in FIG. 19 becomes an obstacle of the plumb bob 4, and the plumb bob 4 is in the state of c. Therefore, it becomes necessary to remove a part of the reinforcing bar 3 that has been arranged. This has a problem of wasting a lot of labor and time.

The present invention was made in order to solve the above problems, and an object thereof is to obtain a leg fall degree measuring device for installing a steel tower leg that can measure even if there is an obstacle such as a reinforcing bar. And

[0005]

[Means for Solving the Problems]

 The leg rolling degree measuring device for installing a steel tower leg according to the present invention includes a mounting means for mounting on the top portion of the steel tower leg and a measuring rod having a scale extending from the mounting means for measuring the distance from the steel tower leg rolling degree measuring position. , A tower tower top measuring part having a horizontal adjusting means for adjusting the measuring rod to a horizontal position and a vertical device movably attached along the scale of the measuring rod, and detachably attached to a predetermined position under the steel column leg Lower part of a steel tower pedestal, which has mounting means, a scale extending from the mounting means and having a scale for measuring the distance from the position for measuring the degree of pedestal tilting of the steel tower, and horizontal adjusting means for adjusting the measuring scale to a horizontal position. It is equipped with a section.

[0006]

[Action]

 The device for measuring the degree of leg tumbling for the installation of steel tower legs of the present invention reads the vertical position of the vertical instrument on the scale of the measuring scale and the position of the vertical instrument itself on the scale of the measuring rod. To measure.

[0007]

【Example】

 Example 1. An embodiment of this invention is shown in FIG. 1 to 3 are equivalent to those in FIG. Reference numeral 10 is a tower tower top measuring section, and a plumb bob 15 attached to the tower tower top 2 is suspended at a position L1 where the reinforcing bar 3 does not interfere. Numeral 20 is a measuring section for the lower part of the steel tower leg, which is attached to the lower part of the steel tower leg and reads the position L2 of the plumb bob 15. It can be obtained by the required leg rolling degree L = L2-L1.

FIG. 2 shows a measurement state in the main part of the installation work of the steel tower legs. As shown in the figure, the steel tower 1, the reinforcing bar 3, etc. are assembled in the earth retaining support 5, and the measurement is performed by the steel tower top measuring part 10 and the steel tower lower measuring part 20.

3 to 6 show details of the tower tower top measurement unit 10, FIG. 3 is a perspective view, FIG. 4 is a front view, FIG. 5 is a plan view, and FIG. 6 is a cross-sectional view of essential parts. In the figure, 11 forms a mounting means with a steel tower leg mounting bracket 12 with a vise, and mounts it on the steel tower leg top 2. Reference numeral 13 denotes a measuring rod having a scale for measuring the distance from the tower leg rolling degree measuring position. A cursor 14 is attached along the scale, and the cursor 14 supports the plumb bob 5 and the plumb bob 15. The position can be read from the scale of the measuring rod 13. Reference numeral 16 is a level adjusting screw for keeping the measuring rod 13 horizontal, and forms a level adjusting means together with the level 17. 18 and 19 are fixed after making horizontal adjustment with a measuring rod fixing screw.

Since the steel tower leg top measuring unit 10 is configured as described above, it can be easily attached to the steel tower leg top 2 and the measuring rod 13 can be easily held horizontally.

Next, details of the steel tower lower part measurement unit 20 are shown in FIGS. 7 to 9, FIG. 7 is a perspective view, FIG. 8 is a front view, and FIG. 9 is a plan view. In the figure, 21 is a magnet which is attached to a predetermined position below the steel tower leg 1. 22 is a measuring scale having a scale for measuring the distance from the steel tower leg rolling degree measuring position, 23 is a vernier scale for improving the measurement accuracy, 24 is a level adjusting screw for keeping the measuring scale 22 horizontal, A horizontal adjusting means is formed together with 25.

Since the lower steel tower leg measuring unit 20 is configured as described above, it can be detachably attached to the lower steel tower leg 1 and the scale 22 can be easily held horizontally. Therefore, the tower tower top measuring unit 10 and the tower tower measuring unit 20 can be combined to easily perform measurement while avoiding obstacles.

Example 2. The embodiment of the present invention uses an optical vertical device as the vertical device, and is shown in FIG. In the figure, reference numeral 30 is a tower tower top measuring unit which is attached to the tower tower top 2 and has an optical system vertical device 50. Reference numeral 60 denotes a lower part of the steel tower pedestal, which is attached to a predetermined position below the steel tower pedestal 1 and is read by an optical vertical device 50 to measure the scale of the measuring part.

The details of the tower top measuring unit 30 are shown in FIGS. 11 to 15. FIG. 11 is a perspective view of the whole, and 40 is a measurement table and 50 is an optical system vertical device. 12 to 14 show details of the measuring table 40. FIG. 12 is a perspective view, FIG. 13 is a plan view, and FIG. 14 is a front view. In the figure, 41 is a vise and is attached to the top 2 of the steel tower leg. 42 is a vertical frame, 43 is a horizontal frame, and 44 is a measuring rod having a scale for measuring the distance from the steel tower leg rolling degree measuring position. The vertical rod mounting base 46 is movably supported, and the vertical rod mounting base 46 is also supported. With the cursor as the cursor, the position of the vertical device 50 can be read on the scale of the measuring rod 44. A rail shaft 45 is a guide for assisting the movement of the vertical device mount 46. Reference numeral 47 is a level adjuster for adjusting the measuring rod 44 while keeping the level while watching the level of 48. Since the measuring table 40 is constructed as described above, it can be easily attached to the tower top 2 of the tower and the measuring rod 44 can be easily held horizontally.

FIG. 15 is a perspective view of the optical system vertical device 50. Reference numeral 51 is an eyepiece of a telescope, 52 is a focus adjustment, 53 is a vertical axis rotation stop, 54 is a level, and a table 56 is provided together with a three-axis adjuster 55. Horizontally, the field of view of the eyepiece lens 21 is vertical. Normally, the magnification of the telescope is around 30x.

A laser vertical device 57 is shown in FIG. 16 as a type of the optical vertical device 50. Reference numerals 53 to 55 are the same as those in FIG. 15, and 58 is a laser irradiation portion, for example, a spot pattern diameter of about 5 mm is used at a vertical distance of 10 m 2. Reference numeral 59 is an irradiation ON-OFF button.

17 and 18 are detailed views of the lower tower measuring unit 60, FIG. 17 is a perspective view, and FIG. 18 is a front view. In the figure, reference numeral 61 denotes a magnet, which is attached to a steel tower leg attachment fitting 62, and is detachably attached to a predetermined position below the steel tower leg 1. Reference numeral 63 is a measuring scale, which is provided with a scale on the upper surface for measuring the distance from the steel tower leg rolling degree measurement position. This graduation is read by the optical system vertical unit 50 to measure the degree of tower leg rolling. Further, when the laser vertical device 57 is used, the spot pattern of the laser light hitting the scale of the scale 63 is read. Reference numeral 64 is a vernier for improving the measurement accuracy, and 65 is a horizontal adjuster for adjusting the measuring gauge 63 while keeping it level while watching the level 66. In addition, the vertical device of the optical system has the advantage that it is not affected by the wind compared to plumb bob.

Example 3. In the above embodiment, the plumb bob, the optical plumb and the laser plumb are used as the plumb, but other plumbers may be used.

[0019]

[Effect of device]

 The leg rolling degree measuring device for installing the steel tower legs according to the present invention enables the vertical device to be installed avoiding obstacles even if there are obstacles below the top of the steel tower legs. The effect is that accurate measurement can be performed without being affected by.

[Brief description of drawings]

FIG. 1 is a front view showing a measuring state using a measuring device according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a measuring device and a tower tower installation work main part of the first embodiment of the present invention.

FIG. 3 is a perspective view of a tower tower top measurement unit according to the first embodiment of the present invention.

FIG. 4 is a front view of a tower tower top measurement unit according to the first embodiment of the present invention.

FIG. 5 is a plan view of the tower tower top measurement unit according to the first embodiment of the present invention.

FIG. 6 is a cross-sectional view of the main part of the tower tower top measurement unit according to the first embodiment of the present invention.

FIG. 7 is a perspective view of a lower part of a tower tower measuring unit according to the first embodiment of the present invention.

FIG. 8 is a front view of a lower part of a steel tower pedestal of the first embodiment of the present invention.

FIG. 9 is a plan view of the lower part of the steel tower pedestal of the first embodiment of the present invention.

FIG. 10 is a front view showing a measuring state using the measuring apparatus according to the second embodiment of the present invention.

FIG. 11 is a perspective view of a tower tower top measuring unit according to a second embodiment of the present invention.

FIG. 12 is a perspective view of a measuring table according to a second embodiment of the present invention.

FIG. 13 is a plan view of the measuring table according to the second embodiment of the present invention.

FIG. 14 is a front view of a measuring table according to a second embodiment of the present invention.

FIG. 15 is a perspective view of an optical vertical device according to a second embodiment of the present invention.

FIG. 16 is a perspective view of a laser vertical device according to a second embodiment of the present invention.

FIG. 17 is a perspective view of a lower part of a tower tower measuring unit according to the second embodiment of the present invention.

FIG. 18 is a front view of a lower part of a steel tower pedestal of a second embodiment of the present invention.

FIG. 19 is a front view showing a state of measuring leg rolling when installing the conventional steel tower legs.

[Explanation of symbols]

 1 Steel tower legs 2 Steel tower tops 3 Reinforcing bar 4,15 Down swing 5 Earth retaining support 10,30 Steel tower top measuring part 11,410,000 force 12,62 Steel tower mounting bracket 13,44 Measurement rod 14 Cursor 16,24 Level Adjusting screw 17, 25, 48, 54, 66 Level 18, 18 Measuring rod fixing screw 20, 60 Steel tower lower measuring part 21, 61 Magnet 22, 63 Measuring scale 23, 64 Sub scale 40 Measuring stand 42 Vertical frame 43 Horizontal Frame 45 Rail axis 46 Vertical device mount 47, 65 Horizontal adjuster 50 Optical system vertical device 51 Eyepiece 52 Focus adjustment 53 Vertical axis rotation stop 55 3-axis adjuster 56 units 57 Laser system vertical device 58 Laser irradiation unit 59 Irradiation ON -OFF button

Claims (1)

[Scope of utility model registration request] 1. A measuring rod which is detachably attached to the top of a steel tower leg, and a measuring rod which extends from the attaching means and has a scale for measuring the distance from the position of measuring the degree of rolling of the steel tower leg, and the measuring rod which is in a horizontal position. And a horizontal adjusting means for adjusting to, and a vertical tower movably attached along the scale of the measuring rod, a steel tower leg top measuring part, a mounting means that is detachably mounted at a predetermined position under the steel tower leg, and this mounting Extending from the means,
The measuring instrument has a scale having a scale for measuring the distance from the steel tower leg rolling degree measuring position, and a steel column lower part measuring unit having horizontal adjusting means for adjusting the measuring scale to a horizontal position. A leg-rolling degree measuring device for installation of steel tower legs that reads the position of the vertical device itself on the scale of the measuring rod and the scale of the measuring rod, and measures the leg-rolling degree from these scale values.