Curved surface trepanning marking tool
By designing a curved surface drilling and marking tool that includes a fixed rod, a rotating rod, and a connecting rod, the problem of non-circular drilling and marking on curved surfaces in shipbuilding has been solved, achieving a fast and stable drilling and marking effect on curved surfaces.
Patent Information
- Application Number
- CN202520662718.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-09
AI Technical Summary
Existing technologies make it difficult to quickly and accurately draw non-circular opening lines on curved structures during shipbuilding, especially in the confined space of a ship, where traditional compass-type marking tools are not applicable.
A surface drilling and marking tool was designed, comprising a fixed rod, a rotating rod, a marking rod, and a connecting rod. The 360° rotation of the rotating rod and the sliding engagement of the connecting rod enable the marking rod to make stable markings on the curved surface structure. It is equipped with scale lines and an angle gauge to assist in adjustment.
It enables the rapid and stable drawing of hole lines on various planar or curved surfaces, solving the problem of inconvenience in drawing lines on curved surfaces using traditional tools, and improving the accuracy and efficiency of drawing lines.
Smart Images
Figure CN223947902U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to shipbuilding technical field, in particular to a curved surface opening scribing tool. BACKGROUND
[0002] In shipbuilding, structural opening is very common, and the pipeline cable and the like penetrating the bulkhead or the deck need to be opened on the ship structure, wherein the circular opening is the most common, and when the cable or the pipeline vertically penetrates the plane structure, the opening required for installing the through-cabin piece is a regular circle, and in the actual ship construction, the circular opening can be conveniently drawn by using the compass type scribing tool. However, in the actual situation, a large number of pipelines and cables are inclined to penetrate the plane structure of the ship or penetrate the curved surface structure, at this time, the opening of the through-cabin piece is an ellipse or an irregular shape, and the simple compass type scribing is no longer applicable in this case. For such openings, laser equipment can be used for opening or scribing in the case of having conditions in the workshop, but the laser equipment is large and has no space for placement and operation in the actual ship. At present, in the actual ship, in most cases, the workers roughly place the through-cabin piece at an inclined angle, roughly sketch the structure, and draw the opening contour line, which is neither accurate nor convenient. SUMMARY
[0003] The utility model aims at providing a curved surface opening scribing tool which can quickly draw opening scribing lines on the surfaces of various plane or curved surface structures and ensure that the scribing rod is stable and does not shake.
[0004] In order to achieve the above-mentioned purpose, the utility model provides a curved surface opening scribing tool, which comprises a fixed rod, a rotating rod, a scribing rod and a connecting rod, the end of the rotating rod is provided with a matching groove, the matching groove is in sliding fit with the fixed rod in the up-down direction, the matching groove can rotate 360 degrees around the axis of the fixed rod, the rotating rod is provided with an adjusting groove in the length direction, the upper end of the scribing rod is adjustably connected to the adjusting groove, the scribing rod is parallel to the fixed rod, the scribing rod is provided with a connecting sliding groove in the length direction, one end of the connecting rod is rotationally connected to the rotating rod, and the other end of the connecting rod is rotationally connected to a sliding block in sliding fit with the connecting sliding groove in the up-down direction.
[0005] As a preferred scheme of the utility model, the rotating rod is provided with a scale line for displaying the position of the scribing rod.
[0006] As a preferred scheme of the utility model, the adjusting groove is a T-shaped groove, the upper end of the scribing rod is provided with a T-shaped protruding block in sliding fit with the T-shaped groove, the shoulder of the T-shaped protruding block is threadedly connected to a positioning bolt, and the positioning bolt abuts against the rotating rod.
[0007] As a preferred scheme of the utility model, the top of the fixed rod is provided with a square block, and the square block is provided with an angle gauge.
[0008] As the preferred scheme of the present application, the end of the scribing rod is threadedly connected with the scribing pen.
[0009] As the preferred scheme of the present application, the end of the fixed rod is a pointed end.
[0010] Compared with the prior art, the curved hole scribing tool has the beneficial effects that:
[0011] When the curved hole scribing tool is used for scribing, the position of the scribing rod on the adjusting groove of the rotating rod is adjusted to adjust the hole scribing radius, the end of the fixed rod is fixed on the hole center point of the structure to be holed, and the rotating rod is rotated one round around the fixed rod. Since the rotating rod can be simultaneously moved up and down along the fixed rod, the brush of the scribing rod can be freely moved up and down on the surface of the structure to be holed while the brush is rotated one round around the hole center point, so that the hole scribing line can be quickly drawn on the surface of various plane or curved structures. Moreover, one end of the connecting rod is rotationally connected with the rotating rod, the other end of the connecting rod is slidably connected with the connecting sliding groove of the scribing rod through the sliding block, and the connecting rod can support the scribing rod, so that the position of the scribing rod is stable and does not shake. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced as follows.
[0013] Fig. 1 The structure diagram of the curved hole scribing tool is provided for the present application.
[0014] Fig. 2 The perspective view of the curved hole scribing tool is provided for the present application.
[0015] Fig. 3 The application diagram of the curved hole scribing tool on the curved structure is provided for the present application.
[0016] In the drawings, the fixed rod 1; the square block 11; the rotating rod 2; the adjusting groove 21; the scribing rod 3; the connecting sliding groove 31; the positioning bolt 32; the connecting rod 4; the sliding block 41. DETAILED DESCRIPTION
[0017] The specific embodiments of the present application will be further described in detail in combination with the drawings and the embodiments. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.
[0018] In the description of the utility model, it is understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0019] As Figs. 1 to 3 Indicated, the utility model preferred embodiment's one curved surface opening scribe tool, including fixed rod 1, rotating rod 2, scribe rod 3 and connecting rod 4, the end of rotating rod 2 is equipped with cooperation groove, cooperation groove with fixed rod 1 upper and lower sliding fit, and cooperation groove can rotate around the axis of fixed rod 1 360 °, rotating rod 2 is along its length direction and is equipped with adjusting groove 21, the upper end of scribe rod 3 is adjustably connected in adjusting groove 21, scribe rod 3 with fixed rod 1 is parallel, scribe rod 3 is along its length direction and is equipped with connecting sliding slot 31, one end of connecting rod 4 with rotating rod 2 rotation connection, the other end of connecting rod 4 rotation connection has the sliding block 41 with the upper and lower sliding fit of connecting sliding slot 31.
[0020] When using curved surface opening scribe tool scribe, first by adjusting the position of scribe rod 3 on the adjusting groove 21 of rotating rod 2 to adjust the opening scribe radius, the end of fixed rod 1 is fixed on the opening center point of the structure to be opened, rotating rod 2 is rotated around fixed rod 1 for one week, because rotating rod 2 can be moved up and down along fixed rod 1, the brush of scribe rod 3 can be freely moved up and down on the surface of the structure to be opened while rotating around the opening center point, realizing the rapid drawing of opening scribe on various plane or curved surface structure surface;And one end of connecting rod 4 is rotationally connected with rotating rod 2, the other end of connecting rod 4 is slidably connected with connecting sliding slot 31 of scribe rod 3 through the rotationally connected sliding block 41, so that connecting rod 4 can also be cooperatively moved up and down when scribe rod 3 moves up and down, so that connecting rod 4 can effectively support scribe rod 3, ensuring the stable position of scribe rod 3 without shaking.
[0021] For example, a scale line is provided on the rotating rod 2 for displaying the position of the scribe rod 3, and by checking the scale value of the scale line corresponding to the scribe rod 3, the opening scribe radius can be known, which can play a scale indicating role when adjusting the opening scribe radius.
[0022] Exemplarily, the adjusting groove 21 is a T-shaped groove, the upper end of the scribing rod 3 is provided with a T-shaped protrusion in sliding fit with the T-shaped groove, the shoulder of the T-shaped protrusion is threadedly connected with a positioning bolt 32, and the bolt head groove of the positioning bolt 32 abuts against the rotating rod 2, so as to facilitate locking of the scribing rod 3, so that the scribing rod 3 does not move in the adjusting groove 21 during scribing; when the scribing radius of the opening is adjusted, the scribing rod 3 can be quickly adjusted on the adjusting groove 21 after the positioning bolt 32 is loosened, and the scribing rod 3 is locked after the positioning bolt 32 is locked again.
[0023] Exemplarily, the top of the fixing rod 1 is provided with a square block 11,
[0024] During the opening scribing process, the square block 11 is held to fix the fixing rod 1, so as to avoid movement of the fixing rod 1; the square block 11 is provided with an angle gauge, so as to quickly position the curved opening scribing tool to a required inclination angle, and improve scribing efficiency.
[0025] Exemplarily, the distal end of the scribing rod 3 is threadedly connected with a scribing pen, so as to facilitate quick replacement of the scribing pen, and the scribing pen is made of talc or other solid line drawing materials.
[0026] Specifically, the distal end of the fixing rod 1 is a pointed end, so as to facilitate positioning of the fixing rod 1 at the center point of the opening.
[0027] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0028] The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and replacements can be made, and these improvements and replacements should also be regarded as the protection range of the present application.
Claims
1. A curved surface opening scribe tool, characterized by, The utility model relates to a fixed rod, a rotating rod, a line marking rod and a connecting rod, the end of the rotating rod is equipped with a matching groove, the matching groove is up and down sliding fit on the fixed rod, and the matching groove can rotate 360 DEG around the axis of the fixed rod, the rotating rod is opened with an adjusting groove along its length direction, the upper end of the line marking rod is adjustably connected on the adjusting groove, the line marking rod is parallel with the fixed rod, the line marking rod is equipped with a connecting sliding groove along its length direction, one end of the connecting rod is rotatably connected with the rotating rod, the other end of the connecting rod is rotatably connected with a sliding block that is up and down sliding fit with the connecting sliding groove.
2. The curved facer scribing tool of claim 1 wherein, The rotating rod is equipped with a scale line for showing the position of the line marking rod.
3. The curved facer scribing tool of claim 1 wherein, The adjusting groove is a T-shaped groove, the upper end of the line marking rod is equipped with a T-shaped lug that is sliding fit with the T-shaped groove, the shoulder of the T-shaped lug is screw connected with a positioning bolt, and the positioning bolt abuts against the rotating rod.
4. The curved facer scribing tool of claim 1 wherein, The top of the fixed rod is equipped with a square block, and the square block is equipped with an angle gauge.
5. The curved facer scribing tool of claim 1 wherein, The end of the line marking rod is screw connected with a line marking pen.
6. The curved facer scribing tool of claim 1 wherein, The end of the fixed rod is a pointed end.