CN107939056B

CN107939056B - Arc-shaped pay-off tool

Info

Publication number: CN107939056B
Application number: CN201711085157.9A
Authority: CN
Inventors: 谢宇; 李少祥
Original assignee: China First Metallurgical Group Co Ltd
Current assignee: China First Metallurgical Group Co Ltd
Priority date: 2017-11-07
Filing date: 2017-11-07
Publication date: 2019-12-10
Anticipated expiration: 2037-11-07
Also published as: CN107939056A

Abstract

The invention relates to an arc-shaped wire releasing tool which comprises a central rotating shaft, wherein the upper end and the lower end of the central rotating shaft are respectively connected with an upper fixing disc and a lower fixing disc, two wire barrels capable of rotating independently are arranged outside the central rotating shaft in parallel, angle discs are respectively arranged on the upper fixing disc and the lower fixing disc, the bottom of the lower fixing disc is fixedly connected with a detachable base, a measuring rope is wound in each wire barrel, the end part of the measuring rope is connected with a fixing bolt, and the fixing bolt is used for being connected with a marking tool. The invention can draw or pay off conveniently and intuitively according to the data of circle or arc radius, angle, radian and the like; the precision is high, and the structure principle is simple, the simple operation, and the efficiency of construction is high.

Description

Arc-shaped pay-off tool

Technical Field

The invention relates to a construction paying-off tool, in particular to an arc-shaped paying-off tool.

Background

The construction paying-off tool is a tool commonly used in engineering. In engineering construction, various complex shapes, lines or patterns are often required to be laid or drawn on paved ground, building structures, templates, steel plates and other materials, particularly for the pavement of the shapes, colors and colors, when the design pursues originality and effect, various complex shapes, lines or patterns are often adopted to form the paving structure, and the paving structure is directly formed by using a traditional laying mode and tools, so that the paving structure is troublesome, high in operation difficulty and low in efficiency, the smoothness of a curve and the regularity and accuracy of the patterns are difficult to ensure, or the paving structure is often constructed only by points and not connected with lines, so that the paving structure is convenient to construct.

Disclosure of Invention

the invention aims to solve the technical problem of providing an arc-shaped wire laying tool which is more convenient and faster, better ensures the smoothness of a curve and the regularity and accuracy of patterns and can greatly improve the construction efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows: the arc-shaped pay-off tool comprises a central rotating shaft, wherein an upper fixing disc and a lower fixing disc are connected to the upper end and the lower end of the central rotating shaft respectively, two wire barrels capable of rotating independently are mounted outside the central rotating shaft in parallel, angle scales are arranged on the upper fixing disc and the lower fixing disc respectively, the bottom of the lower fixing disc is fixedly connected with a detachable base, a measuring rope is wound in each wire barrel, the end portion of the measuring rope is connected with a fixing bolt, and the fixing bolt is used for being connected with a marking tool.

In the scheme, the top surface of the upper fixed disc is provided with universal leveling air bubbles.

In the scheme, the fixing bolt is provided with the cylindrical level bubble.

In the scheme, the top of the upper fixing disc is provided with the handle.

In the above scheme, a spring leaf is arranged in the bobbin, the measuring rope is connected with the spring leaf, and a positioning stop block for limiting the measuring rope is arranged at the rope outlet of the bobbin.

In the scheme, the fixing bolt is provided with the positioning ring, and the positioning ring is provided with the fastening screw.

In the above scheme, the bottom of the base is conical.

in the scheme, the bottom of the base is provided with the clamping plate, and the bottom of the clamping plate is connected with the adjusting bolt.

In the above scheme, the bottom of the base is connected with the magnet.

in the scheme, the bottom of the base is provided with the steel nail.

The arc-shaped wire laying tool has the following beneficial effects:

1. The paying-off tool is provided with the universal leveling bubble, the cylindrical leveling bubble, the dial, the measuring rope and the like, can be used for quickly and efficiently drawing and paying off according to known data, can also be used for checking in real time, and greatly improves the drawing and paying-off accuracy;

2. The paying-off tool is provided with four bases, so that the requirements of different drawing and paying-off objects can be met, the paying-off tool can be better and more conveniently fixed on a circle center, can be operated by a single person, is convenient and quick, and saves labor;

3. The pay-off tool is provided with the angle and radian discs, has the functions of drawing and paying off known angles and radians and measuring central angles and linear included angles, and has the advantages of basically consistent structure principle with compasses, simple structure principle, strong practicability and simple and convenient operation; the ruler drawing method can be used for drawing figures and patterns in shape, color and color, and the drawing and paying-off functions are strong;

4. The pay-off tool is provided with the double-line cylinder, so that drawing and pay-off of concentric circles and other figures can be met, and the double-line cylinder can be used for drawing and paying-off of figures with large areas at the same time, so that the working efficiency is greatly improved.

drawings

the invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of the construction of the circular arc wire laying tool of the present invention;

FIG. 2 is a schematic view of a gimbaled level bubble;

FIG. 3 is a schematic view of a fixing bolt;

FIG. 4 is a schematic view of the circular arc paying out tool of the present invention;

Fig. 5 a-5 d are schematic structural views of four embodiments of the base.

Detailed Description

for a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, the circular arc paying-off tool of the present invention includes a central rotating shaft, which is a bearing in this embodiment. The upper end and the lower end of the central rotating shaft are respectively connected with an upper fixed disk 15 and a lower fixed disk 19, two wire barrels 4 capable of rotating independently are mounted outside the central rotating shaft in parallel, angle disks 3 are respectively arranged on the upper fixed disk 15 and the lower fixed disk 19, and the bottom of the lower fixed disk 19 is fixedly connected with a detachable base 7, in the embodiment, the two wire barrels are in threaded connection. A measuring rope 5 is wound in the bobbin 4, the end of the measuring rope 5 is connected with a fixing bolt 6, and the fixing bolt 6 is used for connecting with a marking tool 16.

The top surface of the upper fixed disc 15 is provided with universal level air bubbles 2, and the universal level air bubbles 2 can be fixed on the paying-off tool in a mosaic or gluing mode and the like. The top of the upper fixed disk 15 is provided with a handle 1. The fixing bolt 6 is provided with a positioning ring 10, the positioning ring is provided with a fastening screw 17, and the marking tool 16 is inserted into the positioning ring 10 and is fixed through the fastening screw 17. The fixing bolt 6 is also provided with a cylindrical level bubble 9.

The inside of the bobbin 4 is provided with a spring leaf, the measuring rope 5 is connected with the spring leaf, and the spring leaf which is the same as the steel tape is adopted for recovering the measuring rope 5. The rope outlet of the bobbin 4 is provided with a positioning stop 8 for limiting the measuring rope 5, and the measuring rope 5 can be fixed at a certain fixed length.

Fig. 5 a-5 d show four embodiments of the base 7, the base 7 of fig. 5a having a conical shape 11. In fig. 5b, the bottom of the base 7 is provided with a clamping plate 12, and the bottom of the clamping plate 12 is connected with an adjusting bolt 18. In fig. 5c, the bottom of the base 7 is connected with a magnet 13, and in fig. 5d, the bottom of the base 7 is provided with a steel nail 14. Different bases 7 are selected and installed according to the paying-off or drawing object, so that the construction is more convenient.

The specific use method of the arc-shaped wire laying tool comprises the following steps:

(1) And (5) paying off a circle or a circular arc. At first fix this paying out tool base 7 center on the centre of a circle, adjust universal level bubble 2 placed in the middle, with the object of guaranteeing paying out tool perpendicular to unwrapping wire or drawing, radius length's measuring rope 5 is taken out according to the radius that the construction drawing provided, stir the fixed measuring rope 5 of location dog 8, then adjust cylinder level bubble with fixing bolt 6 that has cylinder level bubble 9 placed in the middle, fix again at the pencil, the drill rod, spill grey car or other drawing, on the unwrapping wire marking tool 16, contrast angle scale 3 rotatory construction drawing design's angle (or radian), can accomplish and draw or unwrapping wire.

(2) And measuring the paying-off or included angle of the intersecting straight lines. Firstly, fixing the center of the pay-off tool base 7 at an intersection point of intersecting straight lines, rotating the rotatable bobbin 4, and accurately reading the included angle through scales on the angle scale 3; multiple intersecting lines of known included angle angles can also be payed out according to the same operation mode.

(3) for the method for quickly positioning the circle center of two points and the radius R on a known circle, a measuring rope 5 with the radius length is drawn out from a bobbin 4, a positioning stop block 8 is shifted to fix the measuring rope 5, then a fixing bolt 6 with a cylindrical level bubble 9 is adjusted to be centered on the cylindrical level bubble, then the cylindrical level bubble is fixed on a pencil, a steel chisel or other drawing and paying-off marking tools 16, the drawing and paying-off marking tools 16 are respectively fixed on two known points on the circle, the measuring rope 5 is tensioned to enable the cylindrical level bubble 9 to be centered, and the circle center is positioned below a measuring tool base 7.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a convex unwrapping wire instrument which characterized in that, includes central pivot, upper end and the lower extreme of central pivot are connected upper fixed disk and lower fixed disk respectively, two wire barrels that can independently rotate are installed side by side to the outside of central pivot, be equipped with the angle scale on upper fixed disk and the lower fixed disk respectively, the bottom and the detachable base fixed connection of lower fixed disk, the interior coiling of wire barrel has the measuring rope, the tip and the fixing bolt of measuring the rope are connected, fixing bolt is used for being connected with the marking tool.

2. The circular arc paying out tool of claim 1, wherein the top surface of the upper fixed disk is provided with universal leveling air bubbles.

3. The circular arc paying out tool of claim 1, wherein the fixing bolt is provided with a cylindrical level bubble.

4. the circular arc paying out tool of claim 1, wherein a handle is arranged at the top of the upper fixing disc.

5. The circular arc-shaped paying off tool according to claim 1, wherein a spring leaf is arranged in the bobbin, the measuring rope is connected with the spring leaf, and a positioning stop block for limiting the measuring rope is arranged at a rope outlet of the bobbin.

6. The circular arc wire laying tool according to claim 1, wherein a positioning ring is provided on the fixing bolt, and a fastening screw is provided on the positioning ring.

7. The circular arc paying out tool of claim 1, wherein the base is conical in shape at its bottom.

8. The circular arc paying-off tool according to claim 1, wherein a clamping plate is arranged at the bottom of the base, and an adjusting bolt is connected to the bottom of the clamping plate.

9. The circular arc paying out tool of claim 1, wherein a magnet is connected to the bottom of the base.

10. The circular arc paying out tool of claim 1, wherein the bottom of the base is provided with a steel nail.