CN216205742U

CN216205742U - Measuring scale

Info

Publication number: CN216205742U
Application number: CN202122607723.6U
Authority: CN
Inventors: 范宏刚; 李志豪; 徐宝家; 魏昌宏
Original assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Current assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-05
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to the technical field of ship pipe measurement, in particular to a measuring scale. The measuring scale provided by the utility model comprises a first measuring scale, a second measuring scale, an angle gauge and a positioning clamping jaw, wherein one end of the second measuring scale is pivoted with one end of the first measuring scale, the angle gauge is fixed on the second measuring scale, the center point of the angle gauge is coincided with the pivoting point of the first measuring scale and the second measuring scale, a zero scale line of the angle gauge is coincided with the center line of the second measuring scale, the first measuring scale and the second measuring scale are respectively provided with the positioning clamping jaw, and the first measuring scale and the second measuring scale can be respectively fixed on the center lines of the two ends of a bent pipe to be measured by the positioning clamping jaw, so that the measuring precision of the measuring scales is improved, and the manufacturing precision of the pipe is improved. In addition, because the location clamping jaw can fix first dipperstick and second dipperstick on the volume of awaiting measuring return bend, improved the stability of dipperstick when measuring.

Description

Measuring scale

Technical Field

The utility model relates to the technical field of ship pipe measurement, in particular to a measuring scale.

Background

Along with the development of the ship industry, the accuracy requirement of shipowners on pipes is higher and higher. The pipe is manufactured by the experience of a master worker of a fitter in the manufacturing process, and then is finished after being roughly corrected by the old folding caliper, and a precision worker also uses the old folding caliper to check the quality of the pipe.

The folding slide caliper rule of current old-fashioned includes first dipperstick, second dipperstick and protractor, and the one end of second dipperstick is pivoted mutually with the one end of first dipperstick, and the protractor is fixed on the second dipperstick to the central point of protractor coincides mutually with the pivot point of first dipperstick and second dipperstick, and the zero scale mark of protractor coincides mutually with the central line of second dipperstick. When measuring the return bend, through placing the second dipperstick one served at the volume of awaiting measuring return bend earlier, then rotate the relative second dipperstick of first dipperstick, place on the other end at the volume of awaiting measuring return bend until first dipperstick, the size at volume of awaiting measuring return bend both ends can be measured respectively to second dipperstick and first dipperstick, and the angle of return bend can be measured out to the protractor. When the diameter of the to-be-measured elbow pipe is large, the first measuring scale and the second measuring scale of the old-fashioned folding caliper rule can not accurately lock the central line of the to-be-measured elbow pipe, so that the errors of the measured length and angle are large, accurate data can not be given, and the manufacturing precision of the pipe is reduced.

Therefore, it is desirable to invent a measuring ruler to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a measuring scale, which aims to improve the measuring precision of the measuring scale, ensure the manufacturing precision of a pipe and ensure the stability of the measuring scale during measurement.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a measuring scale, comprising a first measuring scale, a second measuring scale and an angle gauge, wherein one end of the second measuring scale is pivoted with one end of the first measuring scale, the angle gauge is fixed on the second measuring scale, the center point of the angle gauge coincides with the pivoting point of the first measuring scale and the second measuring scale, and the zero scale line of the angle gauge coincides with the center line of the second measuring scale;

the dipperstick still includes:

the first dipperstick with all be provided with on the second dipperstick the location clamping jaw, the location clamping jaw is configured to can with first dipperstick with the second dipperstick is fixed respectively on the central line at the volume of awaiting measuring return bend both ends.

Preferably, the positioning jaw comprises:

the mounting plates are arranged on the first measuring scale and the second measuring scale;

the two ends of the mounting plate are symmetrically fixed with the first claw body and the second claw body, the included angle between the first claw body and the second claw body is 90 degrees, and the first claw body and the second claw body are clamped and fixed on the bent pipe to be measured.

As a preferred scheme, two groups of positioning clamping jaws are arranged on the first measuring scale at intervals; and two groups of positioning clamping jaws are arranged on the second measuring scale at intervals.

Preferably, the positioning clamping jaw on the first measuring scale can move relative to the first measuring scale; the positioning clamping jaw on the second measuring scale can move relative to the second measuring scale.

As a preferred scheme, a sliding groove extending along the length direction of the first measuring scale is formed in the first measuring scale, a sliding groove extending along the length direction of the second measuring scale is formed in the second measuring scale, and the positioning clamping jaw can move along the sliding groove.

Preferably, the measuring ruler further comprises:

the retaining member, the fixed orifices has been seted up on the location clamping jaw, the retaining member can pass the fixed orifices with first dipperstick with the second dipperstick butt is fixed.

Preferably, the locking member is a hand-screwed bolt.

Preferably, the first measuring scale is provided with a pointer at the pivot joint thereof.

Preferably, the first and second measuring scales are engraved with dimensions.

Preferably, the measuring scale is made of stainless steel.

The utility model has the beneficial effects that:

the utility model provides a measuring scale, which is characterized in that a first measuring scale and a second measuring scale are respectively provided with a positioning clamping jaw, and the first measuring scale and the second measuring scale can be respectively fixed on the central lines of two ends of a bent pipe to be measured by the positioning clamping jaws, so that the accurate measurement of the sizes of the two ends of the bent pipe to be measured by the first measuring scale and the second measuring scale is ensured, the accurate measurement of the bending angle of the bent pipe by a protractor on the measuring scale is also ensured, the measuring accuracy of the measuring scale is improved, the accurate measurement of the pipe during manufacturing, correcting and inspecting is ensured, and the manufacturing accuracy of the pipe is improved. In addition, because the location clamping jaw can fix first dipperstick and second dipperstick on the volume of awaiting measuring return bend, improved the stability of dipperstick when measuring.

Drawings

FIG. 1 is a schematic structural diagram of a measuring ruler provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a positioning jaw provided in an embodiment of the present invention.

In the figure:

1. a first measuring scale; 11. a pointer; 2. a second measuring scale; 3. a protractor; 4. positioning the clamping jaw; 41. mounting a plate; 411. a fixing hole; 42. a first jaw body; 43. a second jaw body.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The dipperstick that this embodiment provided, this dipperstick mainly used is when boats and ships tubular product is makeed, is rectified and is examined, measures tubular product to guarantee the preparation precision of tubular product. The pipe can be a bent pipe or a branch pipe. But not limited thereto, the measuring scale may also be used to measure other workpieces that need to be measured.

Specifically, as shown in fig. 1, the measuring scale includes a first measuring scale 1, a second measuring scale 2 and a protractor 3, wherein one end of the second measuring scale 2 is pivoted with one end of the first measuring scale 1, the protractor 3 is fixed on the second measuring scale 2, a center point of the protractor 3 coincides with the pivoting point of the first measuring scale 1 and the second measuring scale 2, and a zero scale line of the protractor 3 coincides with a center line of the second measuring scale 2. When needs carry out size measurement to the return bend, through placing second dipperstick 2 on the central line of the one end of awaiting measuring the return bend earlier, then rotate first dipperstick 1 second dipperstick 2 relatively, place on the central line of the other end of awaiting measuring the return bend until first dipperstick 1, at this moment, second dipperstick 2 and first dipperstick 1 can measure the size at the return bend both ends of awaiting measuring respectively, angle between first dipperstick 1 and the second dipperstick 2 can be measured to protractor 3, the angle of the return bend of awaiting measuring promptly.

It should be noted that the protractor 3 is a 180 ° protractor, so that the protractor 3 can measure any angle within 180 °, thereby ensuring that the measuring scale can measure bent pipes of different diameter pipes within 180 °.

In order to facilitate the observation of the angle measured by the protractor 3, the first measuring ruler 1 is provided with a pointer 11 at the pivot joint thereof, as shown in fig. 1. When first dipperstick 1 second dipperstick 2 relatively rotated, first dipperstick 1

drives pointer

11 and 3 rotations of protractors relatively simultaneously, accomplishes the back when the adjustment of first dipperstick 1, and the angle that 11 pointers point out this moment is the angle of awaiting measuring the return bend, and the operating personnel of being convenient for more reads data.

Preferably, whole dipperstick adopts stainless steel material to make, not only guarantees that whole dipperstick is lighter, also guarantees that the dipperstick has better intensity, is difficult for receiving corrosion damage.

It should be noted that, when the diameter of the to-be-measured elbow is great, through the structure that uses above-mentioned dipperstick, first dipperstick 1 and second dipperstick 2 can't accurate locking to measure the central line of elbow, lead to its measuring length and the error of angle very big, can't give accurate data to the preparation precision of tubular product has been reduced.

In order to solve the problem, as shown in fig. 1, the dipperstick that this embodiment provided still includes positioning clamping jaw 4, all be provided with positioning clamping jaw 4 on first dipperstick 1 and the second dipperstick 2, positioning clamping jaw 4 can fix first dipperstick 1 and second dipperstick 2 respectively on the central line of measuring the measuring return bend both ends, thereby guaranteed the accurate measurement of first dipperstick 1 and second dipperstick 2 to measuring return bend both ends size, also guaranteed the accurate measurement of protractor 3 to return bend bending angle on the dipperstick, the measurement accuracy of dipperstick has been improved, guaranteed tubular product and making, the accurate measurement when rectifying and examining, the preparation precision of tubular product has been improved. In addition, because the location clamping jaw 4 can fix first dipperstick 1 and second dipperstick 2 on the volume of awaiting measuring return bend, improved the stability of dipperstick when measuring.

The specific structure of the positioning clamping jaw 4 is described with reference to fig. 2, the positioning clamping jaw 4 includes a mounting plate 41, a first jaw body 42 and a second jaw body 43, wherein the mounting plate 41 is disposed on each of the first measuring ruler 1 and the second measuring ruler 2, the first jaw body 42 and the second jaw body 43 are symmetrically fixed at two ends of the mounting plate 41, an included angle between the first jaw body 42 and the second jaw body 43 is 90 °, and the first jaw body 42 and the second jaw body 43 are clamped and fixed on the elbow to be measured. Because first claw body 42 and the second claw body 43 are the right angle and distribute, when first claw body 42 and the second claw body 43 joint are fixed on the volume of awaiting measuring return bend, can guarantee that the symmetry axis of first claw body 42 and the second claw body 43 is in the centre line of the volume of awaiting measuring return bend just, thereby guarantee that mounting panel 41 drives first dipperstick 1 and second dipperstick 2 and all is located the centre line of the volume of awaiting measuring return bend, thereby guarantee the measurement accuracy of whole dipperstick, it is more stable to guarantee also that first dipperstick 1 and second dipperstick 2 place on the volume of awaiting measuring return bend, be convenient for operating personnel to measure the operation.

Preferably, as shown in fig. 1, two sets of positioning clamping jaws 4 are arranged on the first measuring scale 1 at intervals, and since two points determine a straight line, the two sets of positioning clamping jaws 4 are fixed at the position of the first measuring scale 1 and locked on the central line of the elbow to be measured, so as to ensure that the whole first measuring scale 1 coincides with the central line of the elbow to be measured, and thus ensure that the first measuring scale 1 accurately locks the central line of the pipe.

In addition, as shown in fig. 1, two sets of positioning clamping jaws 4 are also arranged on the second measuring scale 2 at intervals, and since two points determine a straight line, the two sets of positioning clamping jaws 4 are respectively fixed at the position of the second measuring scale 2 and locked on the central line of the bent pipe to be measured, so that the whole second measuring scale 2 is ensured to coincide with the central line of the bent pipe to be measured, and the second measuring scale 2 is ensured to accurately lock the central line of the pipe.

In this embodiment, the location clamping jaw 4 on the first dipperstick 1 can remove first dipperstick 1 relatively for two sets of location clamping jaws 4 on the first dipperstick 1 can adjust the interval of two sets of location clamping jaws 4 on first dipperstick 1 according to the length of the volume of awaiting measuring return bend, make the position of location clamping jaw 4 on first dipperstick 1 more nimble, further guarantee the accurate central line of the volume of awaiting measuring return bend of locking of first dipperstick 1.

In addition, the location clamping jaw 4 on the second dipperstick 2 also can remove second dipperstick 2 relatively for two sets of location clamping jaws 4 on the second dipperstick 2 can adjust the interval of two sets of location clamping jaws 4 on second dipperstick 2 according to the length of the volume of awaiting measuring return bend, make the position of location clamping jaw 4 on second dipperstick 2 more nimble, further guarantee the accurate central line of the volume of awaiting measuring return bend of locking of second dipperstick 2.

In order to facilitate the relative first dipperstick 1 removal of location clamping jaw 4, all set up the spout that extends along its length direction on the both sides of first dipperstick 1, the spout removal of the both sides of first dipperstick 1 can be followed respectively at the both ends of mounting panel 41. Through setting up the spout, for the relative first dipperstick 1's of location clamping jaw 4 removal provides the guide effect, guarantee that location clamping jaw 4 removes more steadily with adjusting.

In order to facilitate the relative second dipperstick 2 removal of location clamping jaw 4, all set up the spout that extends along its length direction on the both sides of second dipperstick 2, the spout removal of the both sides of second dipperstick 2 can be followed respectively at the both ends of mounting panel 41. Through setting up the spout, for the relative second dipperstick 2's of location clamping jaw 4 removal provides the guide effect, guarantee that location clamping jaw 4 removes more steadily with adjusting.

It should be noted that there is the clearance between the mounting panel 41 of positioning clamping jaw 4 and first dipperstick 1 and second dipperstick 2, guarantees that positioning clamping jaw 4 moves more nimble, prevents to appear the card ton phenomenon, but the maximum clearance between mounting panel 41 and first dipperstick 1 and second dipperstick 2 must not exceed 0.2mm, guarantees the installation accuracy of positioning clamping jaw 4 on first dipperstick 1 and second dipperstick 2.

Preferably, the first measuring scale 1 and the second measuring scale 2 are carved with sizes, so that the phenomenon that the sizes of the measuring scales fall off or are unclear in the long-time use process is prevented, and the sizes can be displayed more clearly.

In order to prevent the engraved dimension from interfering with the movement of the mounting plate 41 on the first measuring scale 1 and the second measuring scale 2, in the present embodiment, grooves are provided on both the first measuring scale 1 and the second measuring scale 2, the dimension is engraved in the grooves, and the engraved dimension is prevented from interfering with the movement of the mounting plate 41.

In addition, in this embodiment, the measuring scale further includes a locking member, as shown in fig. 2, a fixing hole 411 is opened on the mounting plate 41, and the locking member can pass through the fixing hole 411 to be abutted and fixed with the first measuring scale 1 and the second measuring scale 2. When adjusting the interval between two sets of location clamping jaw 4, need with location clamping jaw 4 and first dipperstick 1 or with second dipperstick 2 looks locking, the retaining member passes fixed orifices 411 and with first dipperstick 1 or the locking of second dipperstick 2 butt. When needs location clamping jaw 4 first dipperstick 1 or the removal of second dipperstick 2 relatively, twist to twist and loosen the retaining member, guarantee that location clamping jaw 4 can remove first dipperstick 1 or second dipperstick 2 relatively.

Preferably, the retaining member is a hand bolt. Specifically can be butterfly bolt or plum blossom bolt, twist the bolt through setting up the hand, not only can realize the locking between mounting panel 41 and first dipperstick 1 and the second dipperstick 2 and loosen, the hand is twisted the bolt and is also convenient for operating personnel directly to realize locking between them with the hand and loosen, and it is convenient more fast to operate, need not additionally to realize the locking of hand with the help of the instrument and loosen.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A measuring scale, comprising a first measuring scale (1), a second measuring scale (2) and a protractor (3), wherein one end of the second measuring scale (2) is pivoted with one end of the first measuring scale (1), the protractor (3) is fixed on the second measuring scale (2), the central point of the protractor (3) coincides with the pivoting point of the first measuring scale (1) and the second measuring scale (2), and the zero scale line of the protractor (3) coincides with the central line of the second measuring scale (2);

its characterized in that, the dipperstick still includes:

positioning clamping jaw (4), first dipperstick (1) with all be provided with on second dipperstick (2) positioning clamping jaw (4), positioning clamping jaw (4) are configured to can with first dipperstick (1) with second dipperstick (2) are fixed respectively on the central line at the volume of awaiting measuring return bend both ends.

2. The measuring rule according to claim 1, characterized in that the positioning jaw (4) comprises:

the mounting plates (41) are arranged on the first measuring scale (1) and the second measuring scale (2);

the bending measuring device comprises a first claw body (42) and a second claw body (43), wherein the first claw body (42) and the second claw body (43) are symmetrically fixed at two ends of a mounting plate (41), an included angle between the first claw body (42) and the second claw body (43) is 90 degrees, and the first claw body (42) and the second claw body (43) are clamped and fixed on the bent pipe to be measured.

3. The measuring rule according to claim 1 or 2, characterized in that two sets of said positioning jaws (4) are provided at intervals on said first measuring rule (1); two sets of positioning clamping jaws (4) are arranged on the second measuring scale (2) at intervals.

4. The measuring rule according to claim 3, characterised in that the positioning jaw (4) on the first measuring rule (1) is movable with respect to the first measuring rule (1); the positioning clamping jaw (4) on the second measuring scale (2) can move relative to the second measuring scale (2).

5. The measuring rule according to claim 4, characterized in that the first measuring rule (1) is provided with a sliding groove extending along its length direction, the second measuring rule (2) is provided with a sliding groove extending along its length direction, and the positioning clamping jaw (4) can move along the sliding groove.

6. The measuring scale as defined in claim 4, further comprising:

the retaining member, fixed orifices (411) have been seted up on location clamping jaw (4), the retaining member can pass fixed orifices (411) with first dipperstick (1) with second dipperstick (2) butt is fixed.

7. The dipstick of claim 6, wherein the locking member is a hand bolt.

8. The measuring rule according to claim 1, characterised in that the first measuring rule (1) is provided with a pointer (11) at its pivot joint.

9. The measuring rule according to claim 1, characterized in that said first measuring rule (1) and said second measuring rule (2) are engraved with dimensions.

10. The measuring rule according to claim 1, characterised in that said measuring rule is made of stainless steel.