Marking device for ship rib panel

Abstract

The invention relates to a scribing device for a ship rib panel, which comprises two hinge assemblies which are symmetrically arranged in a crossed manner, two ends of one hinge assembly are respectively provided with an L-shaped first ruler claw in a matched manner, and two ends of the other hinge assembly are respectively provided with an L-shaped second ruler claw in a matched manner; a first connecting pin is installed at a first cross position between the two hinge assemblies in a matched mode, a straight rule is fixed to the end of the first connecting pin, a sliding way is formed in the end face of the straight rule, a sliding pin is installed in the sliding way in a sliding mode, and a scriber is arranged on the sliding pin. A second connecting pin is installed at a second cross position between the two hinge assemblies in a matched mode. A sliding block is fixed to the end of the second connecting pin and installed in the sliding way in a matched mode. The rapid centering and positioning of the strain measuring points of the marine rib panels with different widths can be realized, so that the lineation process is simplified, and the operation efficiency is improved; meanwhile, the problem of error accumulation is avoided, and the measurement precision can be effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of ship structure strain measurement test, in particular to a marking device for a ship rib panel. Background Art

[0002] Marine ribs are key components to ensure the strength and stability of ship structures. They are widely used in various types of ships and marine structures such as surface ships, submarines, deep-sea submersibles, and offshore platforms. Rib strength is also the focus of real ship monitoring or model test assessment. The current steel ship classification regulations and submarine structural design calculation methods all give relevant regulations on the allowable values ​​of rib stress, and strain measurement is an effective way to assess the rib stress level. The rib strain measurement points are divided into panel measurement points and web measurement points. The panel measurement points are located at half the width of the panel. Strain gauges are arranged along the length of the rib to measure the structural strain in the length direction of the rib.

[0003] In the prior art, when positioning the strain measurement points of the rib panel, a steel ruler is generally used for width measurement and positioning: the panel width at two different positions on the panel is measured respectively, and the corresponding center is taken, and the two midpoints are connected to obtain the positioning line. This positioning line determination method has the following disadvantages:

[0004] (1) When measuring the width, the steel ruler must be perpendicular to one side of the panel to ensure measurement accuracy;

[0005] (2) When centering and connecting narrow panels, the ruler cannot be placed firmly and is prone to slipping when the panel is too narrow, which can easily cause operational errors.

[0006] (3) The operation is cumbersome and prone to error accumulation. Summary of the invention

[0007] In view of the shortcomings of the above-mentioned existing production technology, the applicant provides a rationally structured marking device for ship rib panels, which can quickly locate the strain measurement points of ship rib panels of different widths, thereby simplifying the marking process and improving operational efficiency; at the same time, there is no error accumulation problem, which can effectively improve the measurement accuracy.

[0008] The technical solution adopted by the present invention is as follows:

[0009] A marking device for a ship rib panel comprises two hinge assemblies arranged symmetrically and crosswise, two ends of one hinge assembly are respectively equipped with L-shaped first claws, and two ends of the other hinge assembly are respectively equipped with L-shaped second claws, the two first claws correspond to the two second claws one by one, and the working end surface of a single first claw and the working end surface of the corresponding second claw are arranged relatively spaced along the width direction of the panel;

[0010] A first connecting pin is installed at the first intersection between the two hinge assemblies, a marking ruler is fixed at the end of the first connecting pin, a slideway is provided on the end surface of the marking ruler, a sliding pin is slidably installed in the slideway, and a marking needle is provided on the sliding pin; a second connecting pin is installed at the second intersection between the two hinge assemblies, a slider is fixed at the end of the second connecting pin, and the slider is installed in the slideway;

[0011] The working end faces of the two first ruler jaws and the working end faces of the two second ruler jaws are simultaneously pressed against the end faces on both sides of the panel, so that the marking ruler is centered along the width direction of the panel, and the sliding pin is moved so that the sliding pin slides along the slideway, and then the center line is drawn on the end face of the panel by the marking needle.

[0012] As a further improvement of the above technical solution:

[0013] By adjusting the installation position of the slider in the slideway, the distance between the working end faces of the two first scale jaws and the corresponding working end faces of the second scale jaws can be adjusted simultaneously, thereby matching panels of different widths.

[0014] The structure of the single hinge assembly is as follows: it includes a first ruler rod, and the end of the first ruler rod is rotatably mounted with the end of the second ruler rod through a ruler shaft.

[0015] The length of the first ruler is the same as the length of the second ruler.

[0016] The first ruler and the second ruler are both flat rulers.

[0017] A plurality of return springs are installed between the two hinge assemblies, and a single return spring is extended and retracted along the width direction of the panel.

[0018] The working end surfaces of the two first scale jaws and the working end surfaces of the two second scale jaws are both provided with anti-slip surfaces.

[0019] The top end surface of the sliding pin is provided with a plurality of anti-slip serrated grooves.

[0020] The beneficial effects of the present invention are as follows:

[0021] The present invention has a compact and reasonable structure and is easy to operate. By arranging a hinge assembly, a positioning ruler, a sliding pin, a marking needle, a connecting pin, and a ruler claw, a center line can be quickly drawn on the panel surface, thereby realizing rapid positioning of the measuring point at half the width of the panel surface, effectively simplifying the positioning process, avoiding the problem of error accumulation, and improving measurement accuracy.

[0022] The present invention can simultaneously adjust the distance between the working end faces of the two first scale jaws and the corresponding working end faces of the second scale jaws by adjusting the installation position of the slider in the slideway, thereby matching panels of different widths and improving the use flexibility of the marking device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention.

[0024] Figure 2 It is a bottom view of the present invention.

[0025] Figure 3 It is a side full cross-sectional view of the present invention.

[0026] Figure 4 The present invention is schematically shown in the working state. Figure 1 .

[0027] Figure 5 The present invention is schematically shown in the working state. Figure 2 .

[0028] Among them: 1. hinge assembly; 2. marking ruler; 3. first connecting pin; 4. second connecting pin; 5. first ruler claw; 6. second ruler claw; 7. return spring; 8. slider; 9. slide pin; 10. marking needle; 11. slideway; 12. web; 13. panel;

[0029] 101. First ruler rod; 102. Second ruler rod; 103. Ruler axis. DETAILED DESCRIPTION

[0030] The specific implementation of the present invention is described below in conjunction with the accompanying drawings.

[0031] The structure and function of the present invention are as follows:

[0032] like Figure 1-Figure 5 As shown, a marking device for a ship rib panel comprises two hinge assemblies 1 arranged symmetrically and crosswise, two ends of one hinge assembly 1 are respectively equipped with L-shaped first ruler claws 5, and two ends of the other hinge assembly 1 are respectively equipped with L-shaped second ruler claws 6, the two first ruler claws 5 correspond to the two second ruler claws 6 one by one, and the working end surface of a single first ruler claw 5 and the working end surface of the corresponding second ruler claw 6 are arranged relatively and spaced along the width direction of the panel 13; a first connecting pin 3 is installed at the first intersection position between the two hinge assemblies 1, and a marking ruler 2 is fixed at the end of the first connecting pin 3, and the marking ruler 2 is fixed at the end of the first connecting pin 3. A slideway 11 is provided on the end surface of the ruler 2, a sliding pin 9 is slidably installed in the slideway 11, a marking needle 10 is provided on the sliding pin 9, a second connecting pin 4 is cooperatively installed at the second intersection position between the two hinge assemblies 1, a slider 8 is fixed at the end of the second connecting pin 4, and the slider 8 is cooperatively installed in the slideway 11; the working end surfaces of the two first ruler claws 5 and the working end surfaces of the two second ruler claws 6 are simultaneously pressed against the end surfaces of both sides of the panel 13, so that the marking ruler 2 is centered along the width direction of the panel 13, and the sliding pin 9 is moved so that the sliding pin 9 slides along the slideway 11, and then the center line is drawn on the end surface of the panel 13 by the marking needle 10.

[0033] The marking device for ship rib panels of the present invention comprises a hinge assembly 1, a marking ruler 2, a first connecting pin 3, a second connecting pin 4, a first ruler claw 5, a second ruler claw 6, a slider 8, a sliding pin 9, and a marking needle 10; wherein,

[0034] like Figure 1 As shown, the two hinge assemblies 1 are symmetrically arranged crosswise, so that the marking device as a whole is two X-shaped structures connected along the length direction of the panel 13;

[0035] The structure of a single hinge assembly 1 is as follows: it includes a first ruler rod 101, the end of which is rotatably mounted with the end of the second ruler rod 102 via a ruler shaft 103; the length of the first ruler rod 101 is the same as the length of the second ruler rod 102; the first ruler rod 101 and the second ruler rod 102 both use a flat ruler, the width of the flat ruler is large, which can prevent the first ruler rod 101 and the second ruler rod 102 from lateral deformation, and the thickness of the flat ruler is small, which can enable the first ruler rod 101 and the second ruler rod 102 to effectively approach the surface of the panel 13 with radial curvature to improve the marking accuracy.

[0036] A plurality of return springs 7 are installed between the two hinge assemblies 1, and a single return spring 7 is extended and retracted along the width direction of the panel 13. By providing the return spring 7, on the one hand, it is ensured that the two first ruler claws 5 and the two second ruler claws 6 can be closely attached to the side end surface of the marking ruler 2; on the other hand, it can also ensure that the two hinge assemblies 1 are reset after the marking is completed, so as to facilitate the next use.

[0037] The two first ruler claws 5 and the two second ruler claws 6 are used to fit with the side end surface of the panel 10, so that the marking ruler 2 is centered, and then the marking needle 10 can draw a center line on the surface of the panel 10 to form a positioning line for arranging stress measurement points;

[0038] The working end surfaces of the two first scale claws 5 and the working end surfaces of the two second scale claws 6 are both provided with anti-slip surfaces, which can increase the friction between the scale claws and the panel 10, so that the scale claws can firmly lock the side end surfaces of the panel 10 to prevent its displacement from affecting the test accuracy.

[0039] The slider 8 is used to limit and fix the two hinge assemblies 1, so as to ensure the distance between the working end faces of the two first ruler claws 5 and the corresponding working end faces of the second ruler claws 6; in addition, by adjusting the installation position of the slider 8 in the slideway 11, the distance between the working end faces of the two first ruler claws 5 and the corresponding working end faces of the second ruler claws 6 can be adjusted at the same time, so as to match panels 13 of different widths, so as to improve the use flexibility of the marking device;

[0040] In addition, in order to ensure the stability of the device during operation, the slide 11 can adopt a T-shaped slide or a cross-shaped slide, and the sliding pin 9 and the slider 8 both adopt a T-shaped structure or a cross-shaped structure to prevent the sliding pin 9 and the slider 8 from falling out of the slide 11.

[0041] The top end surface of the sliding pin 9 is provided with a plurality of anti-skid serrated grooves, which can facilitate the operator to move the sliding pin 9.

[0042] In the present invention, the ship rib is installed on the ship shell, and the ship rib includes a panel 13 and a web 12. The panel 13 is arranged parallel to the ship shell, and the web 12 is arranged perpendicular to the panel 13. The web 12 is arranged perpendicular to the ship shell, so that an I-shaped structure is formed between the panel 13, the ship shell and the web 12 to improve the overall structural strength of the ship.

[0043] The working process of the present invention is as follows:

[0044] First, adjust the two ends of the two hinge assemblies 1 so that the working end surfaces of the two first claws 5 and the two second claws 6 are both in close contact with the corresponding side end surfaces of the panel 10;

[0045] Then, the slider 8 is fixedly connected to the positioning ruler 2 by bolts, so that the position of the slider 8 in the slideway 11 is fixed;

[0046] Finally, the slide pin 9 is moved to drive the marking needle 10 to move along the slideway 11, thereby marking a center line on the surface of the panel 13. The center line is the positioning line for arranging stress measuring points.

[0047] The above description is an explanation of the present invention, not a limitation of the present invention. The scope of the present invention is defined in the claims. Any form of modification may be made within the scope of protection of the present invention.

Claims

1. A marking device for a ship rib panel, characterized in that: The invention comprises two hinge assemblies (1) arranged symmetrically and crosswise, wherein two ends of one hinge assembly (1) are respectively equipped with L-shaped first claws (5), and two ends of the other hinge assembly (1) are respectively equipped with L-shaped second claws (6), the two first claws (5) correspond to the two second claws (6) one by one, and the working end surface of a single first claw (5) and the working end surface of the corresponding second claw (6) are arranged relative to each other in a spaced relationship along the width direction of the panel (13); A first connecting pin (3) is installed at the first intersection between the two hinge assemblies (1); a marking ruler (2) is fixed at the end of the first connecting pin (3); a slideway (11) is provided on the end surface of the marking ruler (2); a sliding pin (9) is slidably installed in the slideway (11); a marking needle (10) is provided on the sliding pin (9); a second connecting pin (4) is installed at the second intersection between the two hinge assemblies (1); a sliding block (8) is fixed at the end of the second connecting pin (4); and the sliding block (8) is installed in the slideway (11); The working end surfaces of the two first ruler claws (5) and the working end surfaces of the two second ruler claws (6) are simultaneously in close contact with the end surfaces of both sides of the panel (13), so that the marking ruler (2) is centered along the width direction of the panel (13), and the sliding pin (9) is moved, so that the sliding pin (9) slides along the slideway (11), and then the center line is drawn on the end surface of the panel (13) by the marking needle (10).

2. The marking device for ship frame panels according to claim 1, characterized in that: By adjusting the installation position of the slider (8) in the slideway (11), the distance between the working end faces of the two first ruler claws (5) and the corresponding working end faces of the second ruler claws (6) is adjusted simultaneously, thereby matching panels (13) of different widths.

3. The marking device for ship frame panels according to claim 1, characterized in that: The structure of the single hinge assembly (1) is as follows: it comprises a first ruler rod (101), the end of the first ruler rod (101) being rotatably mounted with the end of the second ruler rod (102) via a ruler shaft (103).

4. The marking device for ship frame panels according to claim 3, characterized in that: The length of the first ruler (101) is the same as the length of the second ruler (102).

5. The marking device for ship frame panels according to claim 3, characterized in that: The first ruler (101) and the second ruler (102) are both flat rulers.

6. The marking device for ship frame panels according to claim 1, characterized in that: A plurality of return springs (7) are installed between the two hinge assemblies (1), and a single return spring (7) is extended and retracted along the width direction of the panel (13).

7. The marking device for ship frame panels according to claim 1, characterized in that: The working end surfaces of the two first scale claws (5) and the working end surfaces of the two second scale claws (6) are both provided with anti-slip surfaces.

8. The marking device for ship frame panels according to claim 1, characterized in that: The top end surface of the sliding pin (9) is provided with a plurality of anti-slip serrated grooves.

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