CN115847369B - Marine multifunctional scribing compass - Google Patents
Marine multifunctional scribing compass Download PDFInfo
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- CN115847369B CN115847369B CN202210882424.XA CN202210882424A CN115847369B CN 115847369 B CN115847369 B CN 115847369B CN 202210882424 A CN202210882424 A CN 202210882424A CN 115847369 B CN115847369 B CN 115847369B
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- 239000002184 metal Substances 0.000 description 2
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Abstract
The invention relates to a marine multifunctional scribing compass which structurally comprises a scriber, a handle, a rotating base, an adjusting rod and a guide wheel set, wherein one end of the adjusting rod is provided with a round hole, the other end of the adjusting rod is a long rod end, the scriber is sleeved on the round hole of the adjusting rod and is connected with the adjusting rod, the long rod end of the adjusting rod is inserted into the handle, a handle female joint is arranged on the handle, a rotating base male joint is arranged on the upper portion of the rotating base, the rotating base male joint is clamped into a clamping groove in a rotating mode through a guide groove of the handle female joint, and the guide wheel set is arranged at one end, far away from the female joint, of the handle 2 and is fixedly connected with the handle. According to the invention, the rotating base and the tripod center are arranged, the device is positioned on a plane or a curved surface according to the given three points, the functions of the compasses are realized by rotating the handle and the scriber, and the outer pipe wall of the pipe can be scribed and the curved surface can be drawn to a circle instead of manual scribing, so that the working efficiency and the operation accuracy are improved.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a design of a multifunctional scribing compass for a ship.
Background
During the construction or use of a ship, it is often necessary to change the hull structure and pipeline design in response to changes in the ship's construction conditions. It is often necessary to cut the hull structure and the pipe, most often round holes in the hull or lengths of pipe as required. The cutting reference line needs to be defined in advance before cutting, and the accuracy of the definition of the reference line influences the accuracy and efficiency of cutting.
In the traditional ship construction process, quite accurate reference lines cannot be defined, even the reference lines are not drawn in some cases, the situation that the cutting is unqualified and repeated construction is often caused, and the construction efficiency is reduced. How to accurately define the cutting reference line is a technical problem worthy of research. Chinese patent 201410650812.0 discloses a multifunctional scribing compass, which is structurally provided with a base, wherein a cylindrical pin is arranged in the base, the cylindrical pin is in a step shape, the big end of the cylindrical pin is positioned below the base, and the small end of the cylindrical pin penetrates through the base; the cylindrical pin above the base is sleeved with a fixing plate, the center of the fixing plate is provided with a strip-shaped groove, and the cylindrical pin above the fixing plate is sleeved with a compression nut; one end of the fixing plate is provided with a mounting hole, and a scriber is arranged in the mounting hole. The structure scribing gauge is used for scribing round parts, and is high in laminating degree and accurate in scribing. However, the method cannot be applied to scribing of the curved surface of the ship body, and scribing operation of the edge of the curved surface is difficult to realize, so that the application range is limited greatly.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a multifunctional scribing compass for a ship. The scribing compass provided by the invention can be used for demarcating a ship body circular reference line and a pipeline cutting reference line, and improves the precision of demarcating the cutting reference line in ship construction so as to improve the construction efficiency.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
the marine multifunctional scribing compass structurally comprises a scribing device, a handle and a rotating base, wherein the rotating base is fixed at one end of the handle, and the scribing device is adjustably connected to the handle;
The scriber comprises an adjusting rod, a spring, a pen cap and a scribing pen, wherein the spring is sleeved on the pen cap, the pen cap upwards penetrates through a round hole at the end part of the adjusting rod, the adjusting rod penetrates through the pen cap, the height of the adjusting rod is fixed by using a locking screw to penetrate through a screw hole in the side wall of the pen cap, the bottom of the spring is abutted to the raised circumferential edge at the lower part of the pen cap, and the top of the spring is abutted to the bottom of the adjusting rod by an elastic retainer ring for a shaft;
the handle comprises a handle main body, a guide wheel set, an adjusting rod passage, a base female connector and a locking screw, wherein the handle main body is of a T-shaped structure, the adjusting rod passage penetrates through the middle of the handle main body, the guide wheel set is vertically fixed on one side of one end of the big end of the handle main body, the base female connector is arranged on the other side of the one end of the big end of the handle, the base female connector is detachably connected with the rotating base, an adjusting rod on the scriber is telescopically inserted into the adjusting rod passage of the handle, and the locking screw for positioning the inserting length of the adjusting rod is arranged on the side wall of one end of the small end of the handle main body;
the rotating base comprises a circlip, a tripod center and a base male connector, wherein the bottom of the tripod center is provided with three center bottom feet, a center round hole is formed in the center of the upper part of the tripod center, the base male connector upwards penetrates through the center round hole, and the base male connector is clamped and fixed on the tripod center by the circlip to form the rotating base.
In the multifunctional scribing compass for the ship, when the curved surface of the ship body is scribed, the scribing pen on the scriber is downwards pressed on the scribing working surface through the spring, and elastic expansion and contraction are realized according to the height of the working surface, so that a circle is drawn on the curved surface.
In the marine multifunctional scribing compass, further, four guide wheels are arranged on the guide wheel groups of the handle, and the four guide wheels are vertically arranged in pairs so as to selectively attach two groups of wheel groups to two selectable directions, thereby realizing sliding guide on a curved surface.
In the marine multifunctional scribing compass of the invention, further, three apexes on the tripodal apexes in the rotating base position the scribing center of the compass according to 3 predetermined reference points, and position the scribing center on a scribing working surface represented by a curved surface.
In the marine multifunctional compass of the invention, further, the handle is connected with the rotary base to realize the function of compass, and the handle is fixed on the rotary base by relatively jogging the base male connector and the base female connector.
Based on the technical scheme, the multifunctional scribing compass for the ship has the following technical effects after practical application in ship construction:
1. the multifunctional scribing compass for the ship can mainly draw circles in curved surface areas such as a ship body outer plate and the like except for scribing circular arcs and circles for conventional work, and realizes that the curved surface of the scribing area is not affected by designing a scribing pen capable of being pressed and stretched.
2. The multifunctional scribing compass for the ship is further provided with the tripod top serving as a connecting point of the rotating base and the scribing area, so that the scribing center of the compass can be positioned according to the determined 3 reference points, and the scribing center can be positioned on a scribing working surface represented by a curved surface.
3. The multifunctional scribing compass for the ship is characterized in that four guide wheels are arranged on the guide wheel set of the handle, and the four guide wheels are vertically arranged in pairs so as to selectively attach two groups of wheel sets to two selectable directions, thereby realizing sliding guide on a curved surface. According to different scribing positions, if the scribing is at the edge position, the guiding wheel can be used for realizing the arc scribing at the edge position, so that the application versatility of the invention is embodied.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a multifunctional scribing compass for a ship.
Fig. 2 is a schematic structural view of a scriber in the multifunctional scribing compass for a ship.
Fig. 3 is a schematic structural view of a handle in the marine multifunctional scribing compass of the present invention.
Fig. 4 is a schematic structural view of a rotating base in the multifunctional scribing compass for a ship.
Fig. 5 is a schematic view of an application state of the multifunctional scribing compass for a ship according to the present invention.
Fig. 6 is a schematic drawing of the scribing application of the multifunctional scribing compass for a cylindrical part for a ship according to the present invention.
Fig. 7 is a schematic drawing showing the application of the multifunctional scribing compass for scribing the upper curved surface of the hull part for a ship.
Fig. 8 is a schematic drawing of the application of the multifunctional scribing compass for scribing the edge curve of the ship body part.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
The following describes in further detail the specific embodiments of the present invention with reference to the drawings and examples.
The invention provides a design of a marine multifunctional scribing compass, which structurally comprises a scriber, a handle and a rotating base, wherein one end of the handle is fixed with the rotating base, and the scriber is adjustably connected to the handle. The method can be used for defining a circular reference line of the ship body and a pipeline cutting reference line, and improves the accuracy of defining cutting references in ship construction so as to improve the construction efficiency.
As shown in fig. 1 and 2, the invention provides a design scheme of a multifunctional scribing compass for a ship, which comprises a scriber 1, a handle 2 and a rotating base 3. Wherein, one end of the handle 2 is fixed with the rotating base 3, and the scriber 1 is adjustably connected with the handle 2.
As shown in fig. 3, the structure of the marker 1 comprises an adjusting rod 4, a spring 6, a pen cap 7 and a marker 9, the spring 6 is sleeved on the pen cap 7, the pen cap 7 upwards penetrates through a round hole at the end part of the adjusting rod 4, the adjusting rod 4 penetrates through the pen cap 7, a locking screw 8 penetrates through a screw hole in the side wall of the pen cap 7 to fix the height position of the adjusting rod 4, the bottom of the spring 6 is abutted to the raised circumferential edge at the lower part of the pen cap 7, and the top of the spring is abutted to the bottom of the adjusting rod 4 through an elastic retainer ring 5 for a shaft. Further, the material of the scriber is light metal, and the adjusting rod 4 can be stretched in the round hole of the handle 2 and locked by a screw so as to realize the function of adjusting the scribing distance. The spring 6 is arranged between the pen cap 7 and the adjusting rod 4, the scribing pen 9 is arranged in the pen cap 7, and the pen point of the scribing pen 9 can be always clung to the curved surface through adjustment.
The spring 6 is arranged between the adjusting rod 4 and the pen cap 7, the pen cap 7 is arranged in a round hole of the adjusting rod 4 and can stretch up and down, the pen cap 3 is provided with a groove for installing the elastic retainer ring 5 for the shaft, the position of the pen cap 3 can be limited, and therefore the pen cap 7 can stretch up and down within a limited range and is always subjected to downward elastic force under the elastic force of the spring 6. The marking pen 9 can be replaced by a marking pen, different pens can be used, the position of the marking pen 9 can be adjusted up and down after the marking pen 9 is inserted into a pen cap, and the proper position of the marking pen 9 is positioned by using the locking screw 8.
As shown in fig. 4, the handle 2 includes a handle body, a guide wheel set 10, an adjusting rod channel 11, a base female connector 12 and a locking screw 13, the handle body is in a T-shaped structure, the adjusting rod channel 11 penetrates through the middle of the handle body, the guide wheel set 10 is vertically fixed on one side of the big end of the handle body, the base female connector 12 is arranged on the other side of the big end of the handle, the base female connector 12 is detachably connected with the rotating base 3, the adjusting rod 4 on the scriber 1 is telescopically inserted into the adjusting rod channel 11 of the handle 2, and the locking screw 13 for positioning the inserting length of the adjusting rod 4 is arranged on the side wall of the small end of the handle body. In the above-mentioned structure of the handle 2, the guiding wheel set 10 is composed of two T-shaped metal bars and four guiding wheels, and the guiding wheels directly contact the surface of the scribing object, so that the scribing process is smoother and more accurate. The handle 2 has a lever passage 11 in the middle for inserting the lever 4 of the scribing tool 1, and can be adjusted by the lever 4 to adjust the scribing position. After the position of the adjusting rod 4 is adjusted, the position of the dead line can be fixed by locking the position of the dead line by using a locking screw 13 at the rear of the handle. A base female connector 12 is arranged above the handle and can be used for connecting the rotary base 3, so that the device can obtain the function of compasses.
As shown in fig. 5, the rotating base 3 includes a circlip 14, a tripod tip 15 and a base male connector 16, the bottom of the tripod tip 15 is a bottom foot of three tips, a central circular hole is provided in the central position of the upper portion, the base male connector 16 passes through the central circular hole upwards, and the base male connector 16 is fastened on the tripod tip 15 by using the circlip 14, so as to form the rotating base 3. In the above-described structure of the swivel base 3, the base male connector 16 is rotatably mounted in the center of the tripod head 15, and the base male connector 16 has a groove in which the circlip 14 for the shaft can be mounted, and the axial position of the base male connector 16 can be regulated to be mounted on the tripod head 15. The top end of the base male connector 16 is square, and can be inserted into the base female connector 12 at the top end of the handle 2. The rotating base 3 can enable the device to achieve the function of compasses, the base is provided with three tips in total, the device is fixed on a plane or a curved surface by determining three points, the center of the rotating base is provided with a rotatable connector for connecting the handle and the scriber, the handle is connected to the rotating base when the device is used, and the nib of the scriber is attached to a working surface to rotate so as to achieve the function of the compasses.
Example 1
This embodiment belongs to a specific application of the multifunctional scribing compass of the present invention, specifically, scribing the outer wall of a cylindrical pipe. When the ship is built, for example, when the equipment needs to be shifted, the pipe is too long in the length direction, the equipment cannot be moved and the pipe cannot be installed, the pipe needs to be shortened, the end face is ensured to be flat, and therefore the cutting is performed on the premise that a proper straight cutting datum line is determined. As shown in fig. 6, the adjusting lever 4 of the scriber 1 is inserted into the adjusting lever passage in the handle 2, and is locked by the locking screw 13 in the handle 2 after being adjusted to a proper position. In this case, the pen tip of the scribing pen 9 is oriented in the direction of the swivel base 3. When the length of the pipe in the embodiment needs to be modified, the rotary base 3 can be removed, the handle 2 can be held by hand, the guide wheel set 10 is attached to the end face and the outer circle of the pipe, the height of the scribing pen 9 in the scriber 1 is adjusted, the pen point is attached to the outer circle of the pipe, and then the cutting reference line can be scribed on the outer circle by winding one circle along the end face and the outer circle of the pipe.
Example 2
The embodiment belongs to a specific application of the multifunctional scribing compass, and particularly relates to a circle drawing operation for a ship body part with a curved surface. In the ship construction process, when equipment is added or the trend of a pipe is changed, holes are needed to be formed in a structural member, the ship structural member comprises a large number of curved surface plates, the curvature of some curved surface plates is large, the precision of freehand circle drawing is quite low, the defect of the size or the shape of the hole is often found when the pipe is installed after the hole is formed, and therefore a large number of reworks are caused, and therefore, an accurate cutting reference line is needed to be drawn on the curved surface before cutting.
As shown in fig. 7, in application, the adjusting rod 4 of the scriber 1 is inserted into the adjusting rod passage in the handle 2, and is locked by the locking screw 13 in the handle 2 after being adjusted to a proper position.
When a circle needs to be drawn on the curved surface, 3 reference points need to be drawn at designated positions for positioning of 3 apexes of the rotating base 3. After the scriber 1, the handle 2 and the rotating base 3 are installed, 3 tips of the rotating base 3 are aligned with reference points and are pressed on a curved surface by hands to be fixed. The height of the marker pen 9 in the marker 1 is then adjusted so that the nib is in close contact with the curved surface and the spring is forced. Under the action of the spring, the pen point of the scribing pen 9 always clings to the curved surface to draw a circle when the device moves circularly.
Example 3
The embodiment belongs to a specific application of the multifunctional scribing compass, and particularly relates to an operation of scribing and intercepting machining allowance on a ship body part with a curve edge. In the course of ship construction, there are often cases where the structural members interfere with the installation of equipment, pipes or cables, the cutting reference line is set before cutting, and the reference line is required to be kept unchanged with reference to the original outer edge shape of the structural members, only reduced in size, as shown in fig. 8, and when applied, the adjustment rod 4 of the scriber 1 is inserted into the adjustment rod passage in the handle 2, and is locked with the locking screw 13 in the handle 2 after being adjusted to a proper position.
When the width of the board needs to be trimmed, the rotary base 3 can be removed, the handle 2 is held by hand, the guide wheel set 10 is attached to the side surface and the working surface of the board, and a cutting reference line which is the same as the outline of the original side surface is drawn along the side surface of the board. This function does not require the original side profile to be straight and the curved path can be replicated.
The design of the marine multifunctional scribing compass provided by the invention comprises a handle, a scriber and a rotating base. The handle main body is made of plastic so as to reduce weight, is convenient for operators to hold, is made of light metal materials, and can be used for scribing on curved surfaces and planes. The rotating base is made of steel, the device can be positioned on a plane or a curved surface according to given three points, and the functions of the compass are realized through the rotating handle and the scriber. The invention can realize the functions of scribing the outer tube wall of the tube, drawing a circle on the curved surface and the like, replaces manual scribing, and can improve the working efficiency and the accuracy.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the invention.
Claims (3)
1. The marine multifunctional scribing compass is characterized by comprising a scribing device (1), a handle (2) and a rotating base (3), wherein the rotating base (3) is fixed at one end of the handle (2), and the scribing device (1) is adjustably connected to the handle (2);
The scribing device (1) comprises an adjusting rod (4), a spring (6), a pen cap (7) and a scribing pen (9), wherein the spring (6) is sleeved on the pen cap (7), the pen cap (7) upwards penetrates through a round hole at the end part of the adjusting rod (4), the scribing pen (9) penetrates through the pen cap (7), the scribing pen (9) is fixed in the high-low position by penetrating a screw hole in the side wall of the pen cap (7) through a first locking screw (8), the bottom of the spring (6) is abutted against the raised circumferential edge at the lower part of the pen cap (7), and the top of the spring is abutted against the bottom of the adjusting rod (4) through a shaft elastic retainer ring (5);
The handle (2) comprises a handle main body, a guide wheel set (10), an adjusting rod channel (11), a base female connector (12) and a second locking screw (13), wherein the handle main body is of a T-shaped structure, the adjusting rod channel (11) penetrates through the middle of the handle main body, the guide wheel set (10) is vertically fixed on one side of one end of the big end of the handle main body, the base female connector (12) is arranged on the other side of one end of the big end of the handle, the base female connector (12) is detachably connected with the rotating base (3), an adjusting rod (4) on the scriber (1) is telescopically inserted into the adjusting rod channel (11) of the handle (2), the second locking screw (13) for positioning the inserting length of the adjusting rod (4) is arranged on the side wall of one end of the small end of the handle main body, four guide wheels are arranged on the guide wheel set (10) of the handle (2) and are vertically arranged in pairs so as to selectively attach two groups of wheels on curved surfaces in two directions for guiding;
The rotating base (3) comprises a second elastic retainer ring (14), a tripod center (15) and a base male connector (16), wherein the bottom of the tripod center (15) is provided with three center bottom feet, a central round hole is formed in the central position of the upper part of the tripod center, the base male connector (16) upwards passes through the central round hole, and the base male connector (16) is clamped and fixed on the tripod center (15) by the second elastic retainer ring (14) to form the rotating base (3);
The handle (2) is connected with the rotary base (3) to realize the function of compasses, and the handle (2) is fixed on the rotary base (3) by relatively jogging the base male connector (16) and the base female connector (12).
2. The multifunctional scribing compass for a ship according to claim 1, wherein when scribing on a curved surface of a ship body, a scribing pen (9) on the scribing device (1) is pressed downwards on a scribing working surface through a spring (6) so as to draw a circle on the curved surface.
3. A multifunctional scribing compass for a ship according to claim 1, characterized in that three apexes on a tripod apex (15) in the rotating base (3) are positioned according to predetermined 3 reference points to locate the scribing center of the compass on a scribing working surface presented by a curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210882424.XA CN115847369B (en) | 2022-07-26 | 2022-07-26 | Marine multifunctional scribing compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210882424.XA CN115847369B (en) | 2022-07-26 | 2022-07-26 | Marine multifunctional scribing compass |
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| CN115847369A CN115847369A (en) | 2023-03-28 |
| CN115847369B true CN115847369B (en) | 2024-05-10 |
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| CN202210882424.XA Active CN115847369B (en) | 2022-07-26 | 2022-07-26 | Marine multifunctional scribing compass |
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| CN214643582U (en) * | 2021-04-21 | 2021-11-09 | 山西新景矿煤业有限责任公司 | Pipeline scribing device |
| CN214981007U (en) * | 2021-07-01 | 2021-12-03 | 上海晟昌实业有限公司 | Assistance scriber |
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| JP2001300870A (en) * | 2000-04-25 | 2001-10-30 | Isuzu Motors Ltd | Marking jig |
| KR200415762Y1 (en) * | 2006-02-02 | 2006-05-08 | 대우조선해양 주식회사 | Circumferential Marking Machine for Installation of Through Pipe Pads in Ship Pipeline |
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| CN214981007U (en) * | 2021-07-01 | 2021-12-03 | 上海晟昌实业有限公司 | Assistance scriber |
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| Publication number | Publication date |
|---|---|
| CN115847369A (en) | 2023-03-28 |
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