CN213179816U - Bent pipe bending angle measuring device - Google Patents

Abstract

The utility model discloses a return bend bending angle measuring device, including first ruler, the avris movable mounting of first ruler has the square, and the surface of square is carved with the scale mark, the avris activity of square is provided with the second ruler, and square movable mounting is between first ruler and second ruler to the bolt has all been run through to the inside of first ruler, square and second ruler. This return bend angle measuring device, convenient operation, bend angle direct measurement calculates, and work efficiency improves greatly, and operating procedure is less, reduces the measurement link, has reduced measuring error, makes the measured value more accurate, can realize alone operation, reduces manpower intensity of labour to stability when can guarantee the ruler rotation in the measurement process can not influence measuring result's precision.

Description

Bent pipe bending angle measuring device

Technical Field

The utility model relates to a return bend bending angle measures technical field, specifically is return bend bending angle measuring device.

Background

In the production and processing process of the bent pipe or during the installation of the bent pipe, the bending angle of the bent pipe needs to be measured according to the use requirement, so that a bending measuring ruler needs to be used, however, the existing bent pipe bending angle measuring device still has the following defects in the actual measuring process:

the operation of current camber dipperstick is not convenient enough, and is more loaded down with trivial details to the calculation behind the return bend angular surveying to operating link is too much when needing to measure the camber, and measured data is not accurate enough, needs many people to increase the labour in step simultaneously, to above-mentioned problem, urgently needs to carry out the innovative design on original return bend angle measurement's basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide return bend bending angle measuring device to it is not convenient enough to solve above-mentioned background art and propose current camber dipperstick operation, and is more loaded down with trivial details to the calculation behind the return bend angular surveying, and the operation link is too much when needing to measure the camber, and measured data is not accurate enough, needs many people to increase labour's problem in step simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: bent pipe bending angle measuring device, including first ruler, the avris movable mounting of first ruler has the square, and the surface of square is carved with the scale mark, the avris activity of square is provided with the second ruler, and square movable mounting is between first ruler and second ruler to the inside of first ruler, square and second ruler has all been run through to have the bolt.

Preferably, the first ruler and the second ruler are the same in length, and the first ruler, the right-angle ruler and the second ruler form a rotating structure with the bolt.

Preferably, the outside of bolt is fixed with the fixed plate, and the outside of fixed plate is provided with the connecting plate to it has logical groove to reserve between fixed plate and the connecting plate, and connecting plate and logical groove are the ring structure simultaneously.

Preferably, a limiting rod penetrates through the through groove, one end of the limiting rod is fixed to the second ruler, and the other end of the limiting rod is tightly attached to the surface of the connecting plate.

Preferably, the cross-section of gag lever post is "L" shape structure, and gag lever post and logical groove are sliding connection to gag lever post, fixed plate, connecting plate and limiting plate all distribute about the central axis symmetry of bolt.

Preferably, the edge of connecting plate links to each other with the one end of spring, and the other end of spring is fixed with the limiting plate to the limiting plate setting is at the both ends of bolt, and limiting plate and fixed plate and connecting plate are parallel arrangement simultaneously.

Compared with the prior art, the beneficial effects of the utility model are that: the bent pipe bending angle measuring device is convenient to operate, the bending angle is directly measured and calculated, the working efficiency is greatly improved, the operation steps are fewer, the measuring links are reduced, the measuring error is reduced, the measured value is more accurate, the operation of one person can be realized, the labor intensity of manpower is reduced, the stability of the ruler in the rotating process can be ensured in the measuring process, and the accuracy of the measuring result cannot be influenced;

1. the first ruler, the second ruler and the square are connected through bolts and can rotate so as to be convenient for measuring any angle by opening, after the first ruler and the second ruler are attached to two straight sides of the bent pipe, a value at an intersection point of the other right-angle side of the square and the other ruler is read through the attachment of a right-angle side of the square and one of the two rulers, and a bending angle alpha is arctan A/B by utilizing an inverse trigonometric function, so that the bending angle of the bent pipe is calculated;

2. the ruler drives the gag lever post and slides in leading to the groove when rotating, can increase ruler pivoted smooth and easy nature after pressing 2 connecting plates, can let the connecting plate laminate with the end department of gag lever post again through the elasticity of spring after loosening, and then guarantees the stability of ruler position after rotating to guarantee measured data's accuracy.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic cross-sectional view of the cross-sectional view at a in fig. 2 according to the present invention.

In the figure: 1. a first straightedge; 2. a square; 3. scale lines; 4. a second straightedge; 5. a bolt; 6. a fixing plate; 7. a connecting plate; 8. a through groove; 9. a limiting rod; 10. a spring; 11. and a limiting plate.

Detailed Description

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.

Referring to fig. 1-3, the present invention provides a technical solution: the bent pipe bending angle measuring device comprises a first ruler 1, a square ruler 2, scale marks 3, a second ruler 4, a bolt 5, a fixing plate 6, a connecting plate 7, a through groove 8, a limiting rod 9, a spring 10 and a limiting plate 11, wherein the square ruler 2 is movably mounted on the side of the first ruler 1, the scale marks 3 are carved on the surface of the square ruler 2, the second ruler 4 is movably arranged on the side of the square ruler 2, the square ruler 2 is movably mounted between the first ruler 1 and the second ruler 4, and the bolt 5 penetrates through the first ruler 1, the square ruler 2 and the second ruler 4;

the lengths of the first ruler 1 and the second ruler 4 are the same, the first ruler 1, the square ruler 2 and the second ruler 4 and the bolt 5 form a rotating structure, and the first ruler 1, the second ruler 4 and the square ruler 2 can rotate through the bolt 5, so that the bent pipe can be conveniently measured by opening any angle;

the outer side of the bolt 5 is fixed with a fixing plate 6, the outer side of the fixing plate 6 is provided with a connecting plate 7, a through groove 8 is reserved between the fixing plate 6 and the connecting plate 7, the connecting plate 7 and the through groove 8 are both of a circular ring structure, a limiting rod 9 penetrates through the through groove 8, one end of the limiting rod 9 is fixed on the second ruler 4, the other end of the limiting rod 9 is tightly attached to the surface of the connecting plate 7, the cross section of the limiting rod 9 is of an L-shaped structure, the limiting rod 9 and the through groove 8 are in sliding connection, the limiting rod 9, the fixing plate 6, the connecting plate 7 and the limiting plate 11 are symmetrically distributed around the central axis of the bolt 5, the edge of the connecting plate 7 is connected with one end of a spring 10, the other end of the spring 10 is fixed with a limiting plate 11, the limiting plates 11 are arranged at two ends of the bolt 5, and, pressing 2 connecting plates 7 and driving them to be close to each other, can realize the quick rotation of ruler, after loosening the pressing to connecting plate 7, can let the end department of gag lever post 9 closely laminate with the surface of connecting plate 7 again through the elasticity of spring 10, and then stabilize the position of ruler after rotating.

The working principle is as follows: when the bent pipe bending angle measuring device is used, as shown in figure 1, when the bending angle of a bent pipe needs to be measured, a first straight ruler 1 is attached to one straight side of the bent pipe, a second straight ruler 4 is attached to the other straight side of the bent pipe, the first straight ruler 1, the second straight ruler 4 and a right-angle ruler 2 can rotate through a bolt 5, any angle can be opened conveniently, a straight-angle side of the right-angle ruler 2 is attached to the first straight ruler 1 in parallel, the numerical value of the intersection point of the other right-angle side of the right-angle ruler 2 and the second straight ruler 4 is read, an inverse trigonometric function is utilized, the bending angle alpha is arcttan A/B, the bending angle of the bent pipe is calculated, the bending angle calculation is more convenient by the mode, the bending angle is directly measured and calculated, the working efficiency is greatly improved, the operation steps are fewer, the measurement error is reduced, and the measurement value is more accurate, one-man operation can be realized, and the labor intensity of manpower is reduced;

as shown in fig. 1-3, drive it and be close to each other through pressing 2 connecting plates 7, can realize the fast turn of ruler, the ruler drives gag lever post 9 and slides in leading to the groove 8 when rotating, then after loosening the pressing to connecting plate 7, elasticity through spring 10 can let connecting plate 7 and fixed plate 6 be in the coplanar, the end department of gag lever post 9 can closely laminate with the surface of connecting plate 7 again like this, and then the position of ruler after rotating is stabilized, avoid it to rotate the accurate nature that influences measuring result at will.

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. Bent pipe bending angle measuring device, including first ruler (1), its characterized in that: the avris movable mounting of first ruler (1) has square (2), and the surface of square (2) is carved with scale mark (3), the avris activity of square (2) is provided with second ruler (4), and square (2) movable mounting is between first ruler (1) and second ruler (4) to the inside of first ruler (1), square (2) and second ruler (4) is all run through and is had bolt (5).

2. The elbow bend angle measurement device according to claim 1, characterized in that: the length of first ruler (1) and second ruler (4) is the same, and first ruler (1), square (2) and second ruler (4) all constitute revolution mechanic with bolt (5).

3. The elbow bend angle measurement device according to claim 1, characterized in that: the outer side of the bolt (5) is fixed with a fixing plate (6), the outer side of the fixing plate (6) is provided with a connecting plate (7), a through groove (8) is reserved between the fixing plate (6) and the connecting plate (7), and the connecting plate (7) and the through groove (8) are both of a circular ring-shaped structure.

4. The elbow bend angle measurement device according to claim 3, characterized in that: the inside of leading to groove (8) is run through and is had gag lever post (9), and the one end of gag lever post (9) is fixed on second ruler (4) to the other end of gag lever post (9) and the surface of connecting plate (7) closely laminate.

5. The elbow bend angle measurement device according to claim 4, characterized in that: the cross-section of gag lever post (9) is "L" shape structure, and gag lever post (9) and logical groove (8) are sliding connection to gag lever post (9), fixed plate (6), connecting plate (7) and limiting plate (11) all distribute about the central axis symmetry of bolt (5).

6. The elbow bend angle measurement device according to claim 3, characterized in that: the edge of connecting plate (7) links to each other with the one end of spring (10), and the other end of spring (10) is fixed with limiting plate (11) to limiting plate (11) set up the both ends at bolt (5), and limiting plate (11) are parallel arrangement with fixed plate (6) and connecting plate (7) simultaneously.

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