JP2020139833A - Cone plummet instrument - Google Patents

Abstract

To provide a vertical level capable of easily measuring and checking a vertical direction of a central axis by abutting against a steel pipe for a conical round pole in a simple configuration without an advanced measurement device.SOLUTION: A pair of connection plates 6 supported by a pivot shaft interlocking plate 5 cooperate with a fan-shape opening and closing of a pair of reference rotation side plates 1. A pivot shaft interlocking groove is always supported by the pivot shaft 7 of the pivot shaft interlocking plate 5 with respect to the center of the opening and closing of the reference rotation side plates 1. By the movement of the pivot shaft interlocking groove, the posture of a reference top plate 2 fixed to the pivot shaft interlocking plate 5 is maintained at a right angle. The posture of the vertical level 4 is maintained in the openable and closable angle bilaterally symmetrically with respect to the center.SELECTED DRAWING: Figure 7

Description

The present invention relates to a spirit level used for confirming the horizontal and vertical positions of construction members and the like in civil engineering and construction work.

The conventional leveling level includes a combination of two horizontal and vertical levels with respect to the reference bottom surface, and a combination of three points fixed at 45 degrees.

Since these level spirit levels are formed with horizontal and vertical spirit levels with respect to the reference bottom surface, the reference bottom surface of the level device is brought into contact with the structurally measured surface, and the positions of bubbles in the bubble tube are visually observed. Therefore, it is used after confirming the horizontal and vertical.

(Japanese Patent Laid-Open No. 2018-4335)

Since these conventional spirit levels are formed so as to measure horizontal and vertical with respect to the reference bottom length direction, they come into contact with the surface to be measured and are measured horizontally parallel to the reference bottom length direction of the spirit level body. Alternatively, since it is limited to right-angle vertical measurement, the central vertical axis is used to measure the vertical of a conical pipe, for example, a conical pole steel pipe for road lighting. Since the surface to be measured is conical, it is inclined. As a result, there was no handy tool that could measure by directly contacting the surface to be measured with a conventional horizontal and vertical level.

In the case of vertical adjustment of the central axis of the conical pole steel pipe, since the target steel pipe is adjusted directly, it is not possible to visually check at a close distance, so adjustment by receiving a visual instruction at a position where the entire view can be seen by a third party, or It was common to perform measurement adjustment work after installing advanced measuring equipment.

Since there is no hand tool that can directly contact the object and perform measurement inspection at the site, hanging weights are installed on both sides of the steel pipe for inspection, and the symmetrical distance measurement confirmation between the object and the hanging thread etc. is performed on a flat surface. It took time and effort to confirm the inspection because it was indispensable to move or contact the two places at 90 degrees.

The problem to be solved is to provide a vertical level that does not require advanced measuring equipment and can easily measure and confirm the verticality of the central axis by contacting the steel pipe for a conical round pole with a simple configuration. The purpose is.

The reference bottom surface of the spirit level is wide and large in the long direction, and a V-shaped groove is provided so that stable contact measurement can be performed on the columnar structure, and the reference top surface is leveled at right angles to the reference surface length direction in a horizontal state. It is characterized by forming a vessel.

As described above, in the present invention, when constructing a conical pipe, a steel pipe pole, or the like, it is not possible to visually confirm the vertical position at a close distance, so that the entire position can be visually confirmed by a third party. The center of the contact surface can be easily obtained by contacting the vertical level of the present invention with the surface to be measured against steel pipe poles with different conical angles without receiving confirmation by movement and without requiring an advanced measuring instrument. The verticality of the shaft can be measured and visually confirmed.

Hereinafter, the embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of the formation placed on a flat surface.

The configuration of the horizontal level and the vertical level viewed from the side surface of the main body is formed as shown in the side view of FIG.

In FIG. 3, the vertical level is set in a state where the vertical level is formed at right angles to the direction of the main body and the horizontal level placed on a flat surface like a cross.

As shown in FIG. 4, it is formed in a large openable and closable V-shape as shown in the cross-sectional view showing the configuration of the main body and the reference bottom surface in the side view shown in FIG.

As shown in FIGS. 4, 5 and 8, the reference rotation side plate 1 can be fan-shaped open / closed on the pair of reference rotation side plates 1 via the pivot shaft 7, and the pivot is fixed to the reference top plate 2. The connecting plate 6 is rotatably supported by the connecting shaft 8 fixed to the support shaft interlocking plate 5 and the rotating support shaft 9 fixed to the reference rotating side plate 1.

As shown in FIGS. 4 and 5, a pair of connecting plates 6 supported by a pair of pivot shaft interlocking plates 5 are interlocked with the opening and closing of the pair of reference rotating side plates 1 in a fan shape. The posture of the reference upper surface plate 2 fixed to the pivot shaft interlocking plate 5 by the movement of the pivot shaft interlocking groove 10 supported by the pivot shaft 7 of the pivot shaft interlocking plate 5 with respect to the center of the opening degree. Is maintained at a right angle, so that the vertical level 4 is maintained at a symmetrical angle toward the center within the open / close movable angle.

To measure the verticality of the conical round steel pipe as shown in FIG. 7, the verticality is confirmed by visually contacting the vertical level with the reference bottom surface abutting in the vertical direction along the conical round steel pipe.

It is a perspective view of the Example of this invention. It is a side view of the Example shown in FIG. It is a top view of the Example shown in FIG. It is a front view of the side view shown in FIG. 2 as seen by arrow A. It is sectional drawing of the reference rotation side plate 1 of the Example shown in FIG. It is sectional drawing of the situation which came into contact with the round steel pipe of the Example shown in FIG. It is an elevation view of the situation in contact with the round steel pipe of the embodiment shown in FIG. It is sectional drawing which narrowed the reference bottom surface in accordance with the small diameter round steel pipe of an Example shown in FIG. It is a perspective view of the situation in contact with the round steel pipe of the Example shown in FIG. It is a figure which shows the procedure of measuring a conical round steel pipe. It is an image figure of the target central surface at the time of measurement of a conical round steel pipe.

1. Reference rotating side plate
2. Reference top plate
3. Horizontal spirit level
4. Vertical spirit level
5. Axis interlocking plate
6. Connecting plate
7. Axis
8. Connecting shaft
9. Rotating support shaft
10. Axis interlocking groove
11. Side plate contact confirmation window
12. Band-shaped permanent magnet
13. Conical round steel pipe
14. Conical round steel pipe central axis image
15. Image of central surface of conical round steel pipe

The present invention relates to a spirit level used for confirming the horizontal and vertical positions of construction members and the like in civil engineering and construction work.

The conventional leveling level includes a combination of two levels horizontal and vertical with respect to the reference bottom surface, and a combination of three points fixed at 45 degrees in part.

Since these level spirit levels are formed with horizontal and vertical spirit levels with respect to the reference bottom surface, the reference bottom surface of the level device is brought into contact with the structural object to be measured, and the positions of bubbles in the bubble tube are visually observed. Therefore, it is used after confirming the horizontal and vertical.

Japanese Unexamined Patent Publication No. 2018-4335

The problem to be solved is that the conventional level is formed so as to measure horizontal and vertical with respect to the long direction of the reference bottom surface, so that it comes into contact with the surface to be measured and is measured based on the level body. Since it is limited to horizontal or perpendicular vertical measurement parallel to the bottom length direction, the central vertical axis is used to measure the vertical of a conical pipe, such as a conical pole steel pipe for road lighting. Therefore, due to the inclination, there is no easy measuring tool that can measure by directly contacting the surface to be measured with a conventional horizontal and vertical level.

In the case of vertical adjustment of the central axis of the conical pole steel pipe, since the target steel pipe is adjusted directly, it is not possible to visually check at a close distance, so adjustment by receiving a visual instruction at a position where the entire view can be seen by a third party, or It was common to perform measurement adjustment work after installing advanced measuring equipment.

Since there is no hand tool that can directly contact the object and perform measurement inspection at the site, hanging weights are installed on both sides of the steel pipe for inspection, and the symmetrical distance measurement confirmation between the object and the hanging thread is performed on a flat surface. Since it was indispensable to make the minimum contact at two places 90 degrees from the center, it took time to confirm the inspection.

The problem to be solved is that the verticality of the central axis cannot be easily measured and confirmed by contacting the conical pole steel pipe with a simple configuration that does not require advanced measuring equipment.

The reference bottom surface of the spirit level is wide and large in the long direction, and a V-shaped groove is provided so that stable contact measurement can be performed on the columnar structure, and the reference top surface is leveled orthogonally to the reference plane length direction in a horizontal state. It is characterized by forming a vessel.

As described above, in the present invention, when constructing a pillar such as a conical pipe or a steel pipe pole, it is not possible to visually confirm the vertical position at a close distance, so that the whole can be visually confirmed by a third party. The vertical level of the present invention can be easily brought into contact with the surface to be measured against a steel pipe pole with various circular cone angles without the need for confirmation by movement and without the need for an advanced measuring instrument. The verticality of the central axis can be visually measured and confirmed.

It is a perspective view of the Example of this invention shown in FIG. It is a side view of the Example shown in FIG. It is a top view of the Example shown in FIG. It is a front view of the side view shown in FIG. 2 as seen by arrow A. FIG. 5 is a cross-sectional view of the reference rotating side plate 1 of the embodiment shown in FIG. 4 when it is closed and stored. It is sectional drawing of the situation which came into contact with the round steel pipe of the Example shown in FIG. It is an elevation view of the situation in contact with the round steel pipe of the embodiment shown in FIG. It is sectional drawing which matched with the regular polygonal pyramid steel pipe of the Example shown in FIG. It is a figure which shows the procedure of measuring a conical round steel pipe. It is an image figure of the target central surface at the time of measurement of a conical round steel pipe.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of the formation placed on a flat surface.

The configuration of the horizontal level and the vertical level viewed from the side surface of the main body is formed as shown in the side view of FIG.

In FIG. 3, it is set in a state where the vertical level is formed at right angles to the long direction of the main body and the horizontal level placed on a flat surface like a cross.

As shown in FIG. 4, it is formed in a large open / close fan-shaped movable V-shape as shown in the cross-sectional view showing the configuration of the main body and the reference bottom surface in the side view shown in FIG.

As shown in FIGS. 4, 5 and 8, the reference rotation side plate 1 can be fan-shaped open / closed on the pair of reference rotation side plates 1 via the pivot shaft 7, and the reference top plate 2 is fixed to the reference rotation side plate 2. The connecting plate 6 is rotatably supported by the connecting shaft 8 fixed to the shaft interlocking plate 5 and the rotating support shaft 9 fixed to the reference rotating side plate 1.

As shown in FIGS. 4 and 5, a pair of connecting plates 6 supported by a pair of pivot shaft interlocking plates 5 for opening and closing the reference rotating side plates 1 are interlocked with the fan-shaped opening and closing of the pair of reference rotating side plates 1. The posture of the reference upper surface plate 2 fixed to the pivot shaft interlocking plate 5 is changed by the movement of the pivot shaft interlocking groove 10 supported by the pivot shaft 7 of the pivot shaft interlocking plate 5 with respect to the center of the opening degree. By maintaining the vertical center plane orthogonal to the vertical center plane of the object to be measured, the vertical level 4 is maintained at a symmetrical angle toward the center within the open / close movable angle.

In order to measure the verticality of the conical round steel pipe as shown in FIG. 7, the verticality is confirmed by visually contacting the vertical level with the reference bottom surface abutting in the vertical direction along the conical round steel pipe.

Conical round steel pipes, regular polygonal pyramid steel pipe structures, and vertical measurement adjustments and inspection confirmations during construction of columns can be easily visually confirmed by direct contact.

1. 1. Reference rotating side plate 2. Reference top plate 3. Horizontal spirit level 4. Vertical spirit level 5. Axis interlocking plate 6. Connecting plate 7. Axis 8. Connecting shaft 9. Rotating support shaft 10. Axis interlocking groove 11. Side plate contact confirmation window 12. Band-shaped permanent magnet 13. Conical round steel pipe 14. Conical round steel pipe central axis image 15. Image of central surface of conical round steel pipe

Claims (4)

A pair of reference rotating side plates are provided so that the reference bottom surface of the vertical device body is wide and large in the long direction and can be stably contacted with a columnar structure, and a V-shaped fan-shaped opening and closing is provided. A cone characterized in that the vertical leveling device always measures the central axis of the structure under test in abutment measurement by mounting the leveling device so that it maintains its posture at right angles to the fan-shaped V-shaped centerline. Vertical device. A pair of connecting plates supported by a pair of connecting shafts fixed to the pivot shaft interlocking plates at both ends for opening and closing by the pivot shaft of the reference rotating side plate according to claim 1, are provided on the reference rotating side plate. By the connecting plate connected to the rotating support shaft, the vertical level provided on the reference top plate in conjunction with the opening and closing of the reference rotating side plate maintains a vertical posture with respect to the central axis of the structure to be measured. Conical vertical device featuring When measuring and inspecting the main body of the conical vertical device against the structure to be measured, basically when the vertical direction is in contact with the height of the line of sight, the contact status of the lower end surface of the reference rotating side plate is checked. Vertical device that can be easily confirmed at the opening of the contact confirmation window A vertical device in which a pair of rod-shaped magnets in a direction perpendicular to the long direction are mounted on both ends in the long direction on the contact surface side of the structure to be measured of the reference rotating side plate according to claim 1.