Ship illumination light target

Abstract

The utility model relates to the technical field of ship construction, in particular to a ship illumination light target. A ship illumination light target comprises a light target body, the light target body is provided with a magnetic attraction part used for being magnetically attracted to a ship body, the edge position of the light target body is further provided with a first guide groove and a second guide groove which are perpendicular to each other, and a first sliding needle and a second sliding needle are arranged in the first guide groove and the second guide groove in a sliding mode respectively. The first sliding needle and the second sliding needle are perpendicular to each other, the extending direction of the sliding needle is perpendicular to the extending direction of the guide groove, and the sliding needle is always perpendicular to the guide groove in the process that the sliding needle moves relative to the guide groove. Thus, the problem that in the prior art, due to the fact that the light target is fixed in a bonding mode, the bonding performance becomes poor in windy and rainy weather, the light target deviates, and the installation precision is affected is solved.

Description

Technical Field

[0001] This utility model relates to the field of shipbuilding technology, and in particular to a ship illumination target. Background Technology

[0002] During ship construction, shaft and rudder system positioning is a crucial step in the installation of the ship's propulsion system. Although the positioning processes for shaft and rudder systems are largely similar, the positioning accuracy, worker construction time, and labor intensity vary. Currently, the optical target for shaft and rudder system positioning is typically positioned by attaching plastic sealing paper to the channel steel with tape. Subsequently, during the installation of other components, this optical target is used as a reference to determine whether the installation position meets the requirements.

[0003] The aforementioned construction process may last several days. During this period, if rain or strong winds occur, the adhesive tape will be affected by rainwater, resulting in weak adhesion and causing the photomask to shift or even detach. If the construction personnel fail to detect the photomask shift in time and continue to measure and record, data deviations will occur, and installation accuracy may not be guaranteed. If the photomask is covered with a waterproof sheet to protect it from rain, the lighting will be suspended, the site will need to be cleaned, and the next lighting session will require extensive preparation work, extending the construction period, increasing the labor intensity of workers, and wasting human resources.

[0004] Furthermore, existing optical targets often only have an indicating function and cannot accurately determine the deviation range. For example, Chinese utility model patent CN210212709U discloses an adjustable shafting optical target for LNG ships. This optical target has a square target body with a circular hole (light-transmitting hole) in the center. This light-transmitting hole allows light to pass through. When illuminating, if the light can pass through the center, it indicates that it meets the accuracy range requirements. However, this type of optical target cannot accurately position itself; it can only determine whether it is within the appropriate range. If it is necessary to improve its accuracy, there is a lack of clear adjustment criteria. Utility Model Content

[0005] In view of this, the present invention provides a ship illumination target to solve the problem that the adhesive method used in the prior art for fixing the illumination target deteriorates in windy and rainy weather, causing the target to shift and thus affecting the installation accuracy.

[0006] A ship illumination target includes a target body with a magnetic attraction part for magnetically attaching to the ship's hull. The target body also has a first guide groove and a second guide groove that are perpendicular to each other at its edge. A first sliding needle and a second sliding needle are slidably disposed in the first guide groove and the second guide groove, respectively. The first sliding needle and the second sliding needle are perpendicular to each other, and the extension direction of the sliding needle is perpendicular to the extension direction of the guide groove. During the movement of the sliding needle relative to the guide groove, the sliding needle is always perpendicular to the guide groove.

[0007] Furthermore, each of the first guide groove and the second guide groove is provided with two, the two first guide grooves are arranged in parallel and spaced apart, and the two second guide grooves are also arranged in parallel and spaced apart.

[0008] Furthermore, at least one of the two first guide grooves is provided with a first scale indicating the position of the first sliding needle, and at least one of the two second guide grooves is provided with a second scale indicating the position of the second sliding needle.

[0009] Furthermore, the first sliding needle is U-shaped and includes a first pointer body and two first guide parts that are perpendicular to the first pointer body and inserted into the first guide groove; the second sliding needle is U-shaped and includes a second pointer body and two second guide parts that are perpendicular to the second pointer body and inserted into the second guide groove.

[0010] Furthermore, the optical target body is made of magnetic material, and the surface of the optical target body used to adhere to the hull constitutes the magnetic attraction part.

[0011] Furthermore, both the first and second sliding pins are made of non-magnetic materials.

[0012] Furthermore, the light target body is provided with a circular marker line for displaying the target area, and the first and second sliding needles cross the circular marker line during their movement.

[0013] Furthermore, within the area enclosed by the circular marking line, there are a first reference line and a second reference line that are perpendicular to each other. The first reference line is parallel to the first guide groove, and the second reference line is parallel to the second guide groove. The first reference line and the second reference line intersect at the center of the circular marking line.

[0014] Furthermore, the surface of the light target body is coated with a white reflective material.

[0015] Furthermore, the surface of the white reflective material is also coated with a pressure-sensitive adhesive layer.

[0016] The beneficial effects of the ship illumination target of this utility model are as follows: The ship illumination target of this utility model allows for convenient and intuitive observation of whether the installed components are within the appropriate range through the target body; by setting a magnetic attraction part on the target body, the installation method of the target body on the hull is changed. Since it is fixed by magnetic attraction, it is not affected by wind and rain and can continuously maintain its magnetic attraction force; at the same time, the setting of the first guide groove and the second guide groove facilitates the setting of the first sliding pin and the second sliding pin; by setting the first sliding pin and the second sliding pin, the two sliding pins have an intersection point. By aligning the intersection point of the sliding pins with the light spot, the position of the light spot can be indicated by the position of the first sliding pin and the second sliding pin, thus easily knowing the offset position of the light spot relative to the reference, thereby accurately knowing the degree of skew of the installed components, providing a basis for higher precision adjustment, and thus solving the problem of the poor adhesion performance caused by the use of adhesive to fix the target in the prior art, which leads to target displacement due to wind and rain, thus affecting the installation accuracy. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of an embodiment of the ship illumination target of this utility model;

[0019] Figure 2 This is a schematic diagram of the sliding pin structure of an embodiment of the ship illumination target of this utility model;

[0020] Figure 3 This is a schematic diagram showing the usage position of the ship illumination target in an embodiment of this utility model.

[0021] The labels in the diagram represent the following: 1. Target body; 11. First guide groove; 12. Second guide groove; 13. First scale; 14. Second scale; 15. First baseline; 16. Second baseline; 17. Circular mark line; 21. First sliding pin; 211. First sliding pin body; 212. First guide part; 213. Limiting disc; 22. Second sliding pin; 3. Hull; 31. Channel steel. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model is described below with reference to specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are merely exemplary and not intended to limit the scope of the present utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of the present utility model.

[0023] The terminology used in this disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The singular forms “a,” “the,” and “the” as used in this disclosure and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

[0024] It should be understood that although the terms first, second, third, etc., may be used in this disclosure to describe various information, such information should not be limited to these terms and should not be construed as indicating or implying relative importance. These terms are used only to distinguish information of the same type from one another. For example, without departing from the scope of this disclosure, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the word "if" as used herein may be interpreted as "when," "when," or "in response to determination."

[0025] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] In the description of this utility model, unless otherwise specified and limited, it should be noted that the terms "installation", "connection" and "linking" should be interpreted broadly. For example, they can refer to mechanical or electrical connections, or internal connections between two components. They can be direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0027] In the following description, the use of suffixes such as "module," "part," or "unit" to denote elements is solely for the purpose of illustrating this invention and has no specific meaning in itself. Therefore, "module" and "part" can be used interchangeably.

[0028] To better understand the technical solution of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings.

[0029] In Embodiment 1 of the ship illumination target (hereinafter referred to as the target) of this utility model:

[0030] like Figure 1 As shown, in this embodiment, the optical target includes an optical target body 1, which is square with a side length of 70mm. A circular marker line 17 with a diameter of 50mm is drawn at the center of the optical target body 1, forming the optical target disk. The circular marker line 17 makes the result observation more intuitive. When the target light shines into the area enclosed by the circular marker line 17, it proves that the error requirement is met. To facilitate the installation of the optical target body, the entire optical target body is made of magnetic material, which can be adsorbed onto the hull 3. Its back is smooth, making it easy to fit with the position to be adsorbed. In this case, the back of the optical target body forms a magnetic attraction part for magnetic adsorption onto the hull 3. Of course, in other embodiments, the optical target body can also be made of non-magnetic material, and magnetic material can be glued or fixed to the back of the optical target body in other ways, so that the optical target body can be adsorbed onto the hull by the magnetic material. In this case, the glued magnetic material forms the magnetic attraction part of the optical target body. Of course, other dimensions can also be used in other embodiments. Alternatively, in other implementations, the circular marker line may not be necessary; in this case, a sliding needle is required for reading. A light-transmitting hole can even be cut into the center of the target body; if light can pass through, it means the reading is within the error range.

[0031] The outer periphery of the circular marker line 17 is further provided with mutually perpendicular first guide grooves 11 and second guide grooves 12. Two of each type of guide groove are provided, with the two first guide grooves 11 arranged parallel and spaced apart, and the two second guide grooves 12 also arranged parallel and spaced apart. The four guide grooves form a square, with the circular marker line 17 located at the center of the guide grooves. A first sliding needle 21, capable of sliding relative to the first guide groove 11, is provided within each of the two first guide grooves 11, and a second sliding needle 22, capable of sliding relative to the second guide groove 12, is provided within each of the two second guide grooves 12. At least one of the two first guide grooves 11 has a first scale 13 indicating the position of the first sliding needle 21, and at least one of the two second guide grooves 12 has a second scale 14 indicating the position of the second sliding needle 22. The positions of the first sliding needle 21 and the second sliding needle 22 can be visually displayed through the first scale 13 and the second scale 14. The first scale 13 has the center position of the first guide groove 11 as the zero scale position, with negative values ​​on the left and positive values ​​on the right. The second scale 14 has the center position of the second guide groove 12 as the zero scale position, with positive values ​​on the top and negative values ​​on the bottom. Of course, in other embodiments, scale lines can also be provided on both the first guide groove and the second guide groove.

[0032] like Figure 2 As shown, taking the first sliding needle 21 as an example, the structure of the sliding needle is described. The first sliding needle 21 is U-shaped and includes a first sliding needle body 211 and a first guide portion 212 perpendicular to the first sliding needle body 211. The first guide portion 212 can be inserted into the first guide groove 11. The first sliding needle body 211 is parallel to the front of the light target body. To prevent the first sliding needle 21 from falling out of the first guide groove 11, a limiting disk 213 for limiting is also provided at the end of the first guide portion 212 away from the first sliding needle body 211, improving the reliability of use. The length of the first sliding needle body 211 is the same as the distance between the two first guide grooves 11, so that the first sliding needle body 211 always remains perpendicular to the first guide groove 11 during the sliding process. By setting two first guide grooves 11, the first sliding needle 21 is always limited by the two first guide grooves 11 during the movement, which facilitates the limitation of the position of the first sliding needle 21. Of course, in other embodiments, if the first guide portion of the first sliding pin is square and the first guide groove is elongated, then two first guide grooves may not be necessary, and the first sliding pin can be L-shaped. To facilitate the movement of the first sliding pin, it is made of a non-magnetic material; in this embodiment, it is aluminum alloy, which is durable and reliable. The structure of the second sliding pin is the same as that of the first sliding pin, and will not be described further here.

[0033] Within the area enclosed by the circular marker line 17, a first reference line 15 and a second reference line 16, perpendicular to each other, are drawn. The first reference line 15 is parallel to the first guide groove 11, and the second reference line 16 is parallel to the second guide groove 12. The first reference line 15 and the second reference line 16 intersect at the center of the circular marker line 17. The first reference line 15 and the second reference line 16 form a cross, and the intersection of the cross is also the center point of the light target body 1. The first reference line 15 is located at the zero mark position of the second scale 14, and the second reference line 16 is located at the zero mark position of the first scale 13. This allows the two reference lines to divide the circular marker line 17 into four quadrants, which can accurately determine the position of the light spot and facilitate the positioning of the light target during installation.

[0034] Since illumination experiments are typically conducted at night, a white reflective material is sprayed onto the surface of the light target body 1 to enhance visualization. The first reference line 15, the second reference line 16, and the circular marker line 17 are black lines. When a light spot hits the light target body 1, it produces a strong reflective effect, facilitating immediate judgment of the spot's location and determining whether it has deviated, as well as the degree and direction of that deviation. Because this light target is intended for outdoor use, it requires protection; therefore, a pressure-sensitive adhesive layer is also coated on the outer surface of the white reflective coating. This pressure-sensitive adhesive layer is transparent and does not affect the visualization of the internal white reflective material.

[0035] When using it, first attach the light target to the installation location, such as... Figure 3 As shown, these three locations are all channel steel 31 on the ship. When installing other components, first turn on the laser emitter. When the illuminated spot is within the circular mark line 17, adjust the positions of the first sliding pin 21 and the second sliding pin 22 so that the intersection of the first sliding pin 21 and the second sliding pin 22 coincides with the spot. At this time, the offset of the spot from the center of the circular mark line 17 can be read from the first scale 13 and the second scale 14, providing a basis for subsequent adjustments.

[0036] It should be understood that the described embodiments are merely some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

Claims

1. A boat lighted target comprising a target body, characterised in that: The light target body is provided with a magnetic attraction part for magnetic attraction on the ship body, and the edge position of the light target body is further provided with a first guide groove and a second guide groove which are perpendicular to each other, and a first sliding pin and a second sliding pin are respectively slidably arranged in the first guide groove and the second guide groove, the first sliding pin and the second sliding pin are perpendicular to each other, the extension direction of the sliding pin is perpendicular to the extension direction of the guide groove, and the sliding pin is always perpendicular to the guide groove during the movement of the sliding pin relative to the guide groove.

2. The boat lighted target according to claim 1, characterized in that: The first guide groove and the second guide groove are both provided with two, and the two first guide grooves are arranged in parallel and at intervals, and the two second guide grooves are also arranged in parallel and at intervals.

3. The boat lighted target according to claim 2, wherein: At least one of the two first guide grooves is provided with a first scale for indicating the position of the first sliding pin, and at least one of the two second guide grooves is provided with a second scale for indicating the position of the second sliding pin.

4. A ship's lighted target according to claim 2 or 3, characterised in that: The first sliding pin is in U shape, including a first pointer body and two first guide parts which are perpendicular to the first pointer body and are inserted into the first guide groove; the second sliding pin is in U shape, including a second pointer body and two second guide parts which are perpendicular to the second pointer body and are inserted into the second guide groove.

5. A boat lighted target according to any one of claims 1-3, characterized in that: The light target body is made of magnetic material, and the surface of the light target body for being attached to the ship body constitutes the magnetic attraction part.

6. A boat lighted target according to any one of claims 1-3, characterized in that: The first sliding pin and the second sliding pin are both made of non-magnetic material.

7. The boat lighted target according to any one of claims 1-3, characterized in that: The light target body is provided with a circular mark line for displaying a target area, and the first sliding pin and the second sliding pin cross the circular mark line in the moving stroke.

8. The boat lighted target of claim 7, wherein: The range circled by the circular mark line is provided with a first reference line and a second reference line which are perpendicular to each other, the first reference line is parallel to the first guide groove, the second reference line is parallel to the second guide groove, and the first reference line and the second reference line intersect at the center position of the circular mark line.

9. The boat lighted target according to any one of claims 1-3, characterized in that: The surface of the light target body is sprayed with white light-reflecting material.

10. The boat lighted target of claim 9, wherein: The surface of the white light-reflecting material is further coated with a pressure-sensitive adhesive layer.

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