Auxiliary installation device for marine depth finder

Abstract

The utility model discloses an auxiliary installation device for a marine depth finder, and the depth finder comprises a housing which comprises a first cylinder body, a second cylinder body, and a connecting plate which are coaxially arranged. The first barrel is connected with the second barrel through a connecting plate; the connecting plate is of a flat plate structure and is perpendicular to the axis of the second barrel. The auxiliary mounting device comprises a fixed sleeve, a plurality of position adjusting assemblies and a horizontal adjusting module; the fixed sleeve comprises a third sleeve body and a plurality of clamping assemblies arranged in the third sleeve body, and the shell can be fixed in the third sleeve body; the position adjusting assemblies are arranged in the third barrel and used for abutting against a connecting plate of the shell in the third barrel and adjusting the length of the tail end, extending out of the other end of the third barrel, of the shell; the horizontal adjusting module comprises a plurality of horizontal adjusting assemblies, a frame body and a gradienter; the horizontal adjusting assemblies are arranged on the outer side of the third barrel. The frame body is connected with one end of the third barrel body; the gradienter is fixedly arranged on the frame body and used for adjusting the levelness of the shell. And the installation efficiency and precision of the depth finder are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ship production, and in particular relates to an auxiliary installation device for a ship depth sounder. Background Art

[0002] A depth sounder is a marine navigation instrument that measures water depth. It can identify the ship's position by measuring the water depth. It can be used to open up new navigation areas or navigate ships in shallow waters to ensure the safety of the ship. Therefore, a depth sounder is a must-have equipment for modern ocean-going ships.

[0003] Depth sounders are precision instruments that require extremely high installation accuracy. Currently, the installation of ship-mounted depth sounders is time-consuming and labor-intensive, and the installation accuracy cannot be guaranteed. Summary of the invention

[0004] The utility model provides an auxiliary installation device for a ship depth sounder, which improves the installation efficiency and installation accuracy of the ship depth sounder.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A device for auxiliary installation of a marine depth sounder, the depth sounder comprising a housing and a movement; the housing comprising a first cylinder, a second cylinder and a connecting plate arranged coaxially; the first cylinder is located at one end of the second cylinder in the length direction and is connected by the connecting plate to form a cavity with an opening at the other end of the second cylinder for accommodating the movement; the second cylinder is a circular cylinder structure; the connecting plate is a flat plate structure, which is perpendicular to the axis of the second cylinder;

[0007] The auxiliary installation device of the marine depth sounder includes a fixing sleeve, a plurality of position adjustment components, and a level adjustment module;

[0008] The fixed sleeve comprises a third cylinder body of a cylindrical structure and a plurality of clamping assemblies; each of the clamping assemblies is connected to the third cylinder body and is used to fix the shell placed in the third cylinder body;

[0009] Each of the position adjustment components is arranged on the same circumference in the third cylinder, connected to one end of the third cylinder, and used to abut against a connecting plate of a shell placed in the third cylinder, and the position adjustment component is adjusted to adjust the length of the end of the shell extending out of the other end of the third cylinder;

[0010] The level adjustment module includes multiple level adjustment components, a frame, and a spirit level; each of the level adjustment components is arranged on the same circumference on the outside of the third cylinder; the frame is connected to one end of the third cylinder; the spirit level is fixedly arranged on the frame, and is used to adjust the connection between each of the level adjustment components and the hull when the shell fixed in the third cylinder is installed on the hull, so that the spirit level is level.

[0011] In some specific embodiments, the clamping assembly includes a clamping member and a first adjusting member; the clamping member includes an arc-shaped surface structure connected and adapted to the outer side of the housing;

[0012] A plurality of first screw holes are formed in the radial direction of the third cylinder; the first adjusting member comprises an external thread matched with the first screw hole and threadedly connected with the first screw hole; one end of the first adjusting member is ball-jointed with the clamping member.

[0013] In some specific embodiments, the first adjusting member further includes an adjusting handle, which is fixed to the other end of the first adjusting member and is located outside the third cylinder.

[0014] In some specific embodiments, the position adjustment assembly includes a first support member and a second adjustment member;

[0015] Each of the first support members is fixedly connected to one end of the third cylinder, evenly distributed on the same circumference inside the third cylinder, and forms a second screw hole with an axis parallel to the axis of the third cylinder; each of the second adjustment members is a bolt adapted for installation in the second screw hole, threadedly connected to each of the second screw holes, and the end is used to abut against the connecting plate.

[0016] In some specific embodiments, the horizontal adjustment assembly includes a third adjustment member and a second support member; the third adjustment member is a bolt;

[0017] Each of the second support members is evenly distributed on the same circumference of the outer side of the third cylinder, is fixedly connected to the third cylinder, and is respectively formed with a third screw hole whose axis is parallel to the axis of the third cylinder;

[0018] Each of the third adjusting members is connected and adapted to each of the third screw holes, and is respectively installed on each of the third screw holes, and the end thereof is used for abutting against the hull.

[0019] In some specific embodiments, the frame includes a cross structure and a plurality of connecting legs; one end of each connecting leg is fixedly connected to the end of the cross structure, and the other end is fixedly connected to one end of the third cylinder, so that the cross structure tends to be perpendicular to the axis of the third cylinder; the level is fixedly arranged at the intersection of the cross structure.

[0020] In some specific embodiments, the level is of liquid bubble type.

[0021] In some specific embodiments, a plurality of arrows parallel to the axial direction of the third cylinder are provided on the outer side thereof, which correspond to the front-to-back direction or the left-to-right direction, and are used for aligning the positioning lines of the depth sounder mounting hole on the hull and performing horizontal adjustment after the ship depth sounder is installed.

[0022] In some specific embodiments, the number of the level adjustment components is four.

[0023] In some specific embodiments, the number of the clamping assemblies is two, which are located at both ends of the diameter of the third cylinder and between two adjacent level adjustment assemblies.

[0024] Compared with the prior art, the advantages and positive effects of the utility model are as follows: the auxiliary installation device for a ship depth sounder of the utility model adjusts the length of the ship depth sounder extending out of the third cylinder through various position adjustment components, so that it is suitable for installation in the installation hole of the hull, and is fixed in the third cylinder through a clamping component, so that it remains coaxial with the third cylinder or its axis is parallel to the axis of the third cylinder; the efficiency of determining the installation position of the ship depth sounder and the verticality relative to the third cylinder are improved, thereby improving the installation efficiency and installation accuracy; the horizontality of the auxiliary installation device is adjusted through the horizontal adjustment module, thereby adjusting the horizontality of the installation state of the ship depth sounder, improving the installation accuracy, and being easy to implement and improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, a brief introduction will be given below to the drawings required for use in the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 is a schematic diagram of a usage status structure according to an embodiment;

[0027] Figure 2 is a schematic cross-sectional structural diagram of a use state according to an embodiment;

[0028] Figure 3 yes Figure 2 A-direction cross-sectional structural diagram;

[0029] Figure 4 yes Figure 2 Schematic diagram of the cross-sectional structure in the B direction;

[0030] Figure 5is a schematic diagram of a usage status structure according to an embodiment;

[0031] Figure 6 yes Figure 5 Schematic diagram of the partial enlarged structure at point C in the middle.

[0032] In the figure,

[0033] 1. Fixed sleeve; 2. Position adjustment component; 3. Horizontal adjustment module; 5. Shell; 6. Sealed cabin; 11. Third cylinder; 12. Clamping component; 13. Arrow; 111. First screw hole; 121. Clamping piece; 122. First adjustment piece; 21. First support piece; 22. Second adjustment piece; 211. Second screw hole; 31. Horizontal adjustment component; 32. Frame; 33. Level; 311. Second support piece; 312. Third adjustment piece; 313. Third screw hole; 321. Cross structure; 322. Connecting leg; 51. First cylinder; 52. Second cylinder; 53. Connecting plate; 61. Bottom plate; 62. Observation port. DETAILED DESCRIPTION

[0034] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0035] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 The utility model discloses an auxiliary installation device for a ship depth sounder, which is used for assisting the installation of the ship depth sounder on a ship hull; specifically, a sealed cabin 6 is arranged on a bottom plate 61 at the bottom of the hull; a hole is opened on the bottom plate 61 in the sealed cabin 6 to form an installation hole; and the ship depth sounder is installed in the installation hole through the auxiliary installation device.

[0036] The depth sounder includes a shell 5 and a movement; the shell 5 includes a first cylinder 51, a second cylinder 52, and a connecting plate 53 which are coaxially arranged; the first cylinder 51 is located at one end of the second cylinder 52 in the length direction, and is connected through the connecting plate 53 to form a cavity with an opening at the other end of the second cylinder 52; the movement is located in the cavity; when the depth sounder is installed, the cavity opening of the shell 5 is installed downward in the installation hole, and the shell 5 is welded to the bottom plate 61.

[0037] The second cylinder 52 is a circular cylinder structure; the connecting plate 53 is an annular flat plate structure, which is perpendicular to the axis of the second cylinder 52 .

[0038] The auxiliary installation device includes a fixed sleeve 1, which includes a third cylinder 11 of a cylindrical structure and a plurality of clamping assemblies 12 arranged in the third cylinder 11; each clamping assembly 12 is connected to the third cylinder 11, and is used to fix the shell 5 in the third cylinder 11, thereby fixing the marine depth sounder in the third cylinder 11.

[0039] The auxiliary installation device also includes a plurality of position adjustment components 2, which are arranged on the same circumference on the inner side of the third cylinder 11, connected to one end of the third cylinder 11, and used to abut against the connecting plate 53 of the shell 5 placed in the third cylinder 11; adjusting the position adjustment component 2 can push the connecting plate 53 to move, thereby adjusting the length of the end of the shell 5 extending out of the other end of the third cylinder 11; that is, adjusting the length of the other end of the second cylinder 52 extending out of the other end of the third cylinder 11.

[0040] Specifically, before the ship depth sounder is installed on the hull, it must first be fixedly connected with the auxiliary installation device. First, the end of the auxiliary installation device with the position adjustment component 2 is facing downward; the ship depth sounder is placed in the third cylinder 11, and the connecting plate 53 is in contact with each position adjustment component 2, that is, the position adjustment component 2 supports the depth sounder; secondly, each position adjustment component 2 is adjusted to change the position of the ship depth sounder in the third cylinder 11, so that the length of the end away from the connecting plate 53 extending from the third cylinder 11 tends to be equal to the thickness of the bottom plate 61, so that it is suitable for installation in the installation hole; finally, after adjusting the position adjustment component 2, the ship depth sounder is fixed in the third cylinder 11 through each clamping component 12.

[0041] The auxiliary installation device also includes a horizontal adjustment module 3, which includes a plurality of horizontal adjustment components 31, a frame 32, and a spirit level 33; each horizontal adjustment component 31 is arranged on the same circumference outside the third cylinder 11; the frame 32 is connected to one end of the third cylinder 11; the spirit level 33 is fixedly arranged on the frame 32, and is used to fix the shell 5 in the third cylinder 11 when the marine depth sounder is installed on the hull to adjust the connection between each horizontal adjustment component 31 and the bottom plate 61 of the hull, so that the spirit level 33 is level, thereby making the marine depth sounder level.

[0042] Specifically, one end of the ship depth sounder fixed in the auxiliary installation device is installed in the installation hole, at this time, the horizontal adjustment component 31 is abutted against the bottom plate 61 of the hull, and the horizontal adjustment component 31 is adjusted to make the level 33 horizontal; at this time, the ship depth sounder is in a horizontal position; the ship depth sounder and the bottom plate 61 can be fixed by preliminary spot welding, and after fixing, the connection between the auxiliary installation device and the ship depth sounder is removed, and the connection between the ship depth sounder and the bottom plate 61 is sealed and fully welded.

[0043] The auxiliary installation device for a ship depth sounder of the present invention adjusts the length of the ship depth sounder extending out of the third cylinder 11 through each position adjustment component 2, so that it is suitable for installation in the installation hole of the hull, and is fixed in the third cylinder 11 through the clamping component 12, so that it remains coaxial with the third cylinder 11 or its axis is parallel to the axis of the third cylinder 11; the efficiency of determining the installation position of the ship depth sounder and the verticality relative to the third cylinder 11 are improved, thereby improving the installation efficiency and installation accuracy; the levelness of the auxiliary installation device is adjusted through the level adjustment module 3, thereby adjusting the levelness of the installation state of the ship depth sounder, improving the installation accuracy, and being easy to implement and improving the installation efficiency.

[0044] The specific structure and principle of the auxiliary installation device for a marine depth sounder of the present invention are described in detail below through specific embodiments.

[0045] In some specific embodiments, reference Figure 5 The sealed cabin 6 is provided with an observation port 62 for observing the situation inside the sealed cabin 6 .

[0046] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 The clamping assembly 12 includes a clamping member 121 and a first adjusting member 122 ; the clamping member 121 includes an arc surface structure connected and adapted to the outer side of the housing 5 .

[0047] A plurality of first screw holes 111 are formed in the radial direction of the third barrel 11 ; the first adjusting member 122 comprises an external thread adapted for installation with the first screw hole 111 and is threadedly connected with the first screw hole 111 ; one end of the first adjusting member 122 located inside the third barrel 11 is ball-jointed with the clamping member 121 .

[0048] After the position adjustment of the ship depth sounder is completed through each position adjustment component 2, the first adjustment component 122 is rotated to make the clamping component 121 automatically adjust the position and angle and press-fit into the shell 5, so that the ship depth sounder is fixed in the third cylinder 11, and the connection area between the clamping component 121 and the shell 5 is increased, thereby improving the stability; in addition, the clamping component 121 and the shell 5 are adjusted by multiple position adjustment components 2 to ensure the verticality of the shell 5, thereby improving the verticality of the ship depth sounder relative to the auxiliary installation device, thereby improving the installation accuracy.

[0049] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6The first adjusting member 122 further includes an adjusting handle, which is fixed to the other end of the first adjusting member 122 and is located outside the third cylinder 11 to facilitate the rotation of the first adjusting member 122 .

[0050] The adjustment handle may be a hexagonal head, which facilitates the use of a tool to rotate the first adjustment member 122 and improves the fixing efficiency.

[0051] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , the position adjustment component 2 includes a first support member 21 and a second adjustment member 22;

[0052] Each first support member 21 is fixedly connected to one end of the third cylinder 11, and is evenly distributed on the same circumference of the inner side of the third cylinder 11, and is formed with a second screw hole 211 whose axis is parallel to the axis of the third cylinder 11; each second adjustment member 22 is a bolt adapted to be installed with the second screw hole 211, and is threadedly connected with each second screw hole 211, and the end is used to abut against the connecting plate 53. When the marine depth sounder is fixed in the auxiliary installation device, the head of the second adjustment member 22 faces downward; when the marine depth sounder is installed in the installation hole state, the head of the second adjustment member 22 faces upward.

[0053] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 The horizontal adjustment component 31 includes a third adjustment member 312 and a second support member 311; the third adjustment member 312 is a bolt.

[0054] The second support members 311 are evenly distributed on the same circumference outside the third barrel 11 , are fixedly connected to the third barrel 11 , and are respectively formed with third screw holes 313 whose axes are parallel to the axis of the third barrel 11 .

[0055] Each third adjusting member 312 is connected and matched with each third screw hole 313 and is respectively installed on each third screw hole 313 , and the end is used to abut against the hull when the marine depth sounder is installed in the installation hole.

[0056] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6The frame 32 includes a cross structure 321 and a plurality of connecting legs 322; one end of each connecting leg 322 is fixedly connected to the end of the cross structure 321, and the other end is fixedly connected to one end of the third cylinder 11, so that the cross structure 321 tends to be perpendicular to the axis of the third cylinder 11; the level 33 is fixedly arranged at the intersection of the cross structure 321.

[0057] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , the level 33 is of liquid bubble type.

[0058] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 A plurality of arrows 13 parallel to the axial direction are arranged on the outer side of the third cylinder 11, which correspond to the front-to-back direction or the left-to-right direction, and are used for aligning with the positioning lines of the mounting holes on the hull and performing horizontal adjustment when installing the marine depth sounder.

[0059] That is, when the mounting hole is formed on the bottom plate 61 of the hull, lines are drawn in the front-to-back direction and the left-to-right direction respectively; when the ship depth sounder is installed, the front and rear corresponding arrows 13 respectively correspond to the lines in the front-to-back direction, and the left and right corresponding arrows 13 respectively correspond to the lines in the left-to-right direction; after the alignment is completed, adjust each third adjusting member 312 to make the spirit level 33 level.

[0060] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , the number of the horizontal adjustment components 31 is four.

[0061] It can be adjusted in four directions: front, back, left, and right, which improves the adjustment efficiency and accuracy.

[0062] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 There are two clamping assemblies 12 , which are located at both ends of the diameter of the third cylinder 11 and between adjacent horizontal adjustment assemblies 31 .

[0063] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 The four connecting legs 322 correspond to the front, rear, left and right arrows 13 respectively; the two clamping components 12 are respectively arranged corresponding to the front and rear arrows 13 or the left and right arrows 13.

[0064] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0065] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0066] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0067] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0068] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0069] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An auxiliary installation device for a marine depth sounder, the depth sounder comprising a housing and a movement; the housing comprising a first cylinder, a second cylinder and a connecting plate arranged coaxially; the first cylinder is located at one end of the second cylinder in the length direction and is connected by the connecting plate to form a cavity with an opening at the other end of the second cylinder for accommodating the movement; the second cylinder is a circular cylinder structure; the connecting plate is a flat plate structure, which is perpendicular to the axis of the second cylinder; It is characterized in that include: A fixed sleeve, comprising a third cylinder body of a cylindrical structure and a plurality of clamping assemblies; each of the clamping assemblies is connected to the third cylinder body and is used to fix the shell placed in the third cylinder body; A plurality of position adjustment components, which are arranged on the same circumference in the third cylinder, connected to one end of the third cylinder, and used to abut against a connecting plate of a shell placed in the third cylinder, and the position adjustment components are adjusted to adjust the length of the end of the shell extending out of the other end of the third cylinder; The level adjustment module includes a plurality of level adjustment components, a frame, and a spirit level; each of the level adjustment components is arranged on the same circumference outside the third cylinder; the frame is connected to one end of the third cylinder; the spirit level is fixedly arranged on the frame and is used to adjust the connection between each of the level adjustment components and the hull when the shell fixed in the third cylinder is installed on the hull, so as to make the spirit level horizontal.

2. The auxiliary installation device for a marine depth sounder according to claim 1, characterized in that: The clamping assembly includes a clamping member and a first adjusting member; the clamping member includes an arc-shaped surface structure connected and adapted to the outer side of the housing; A plurality of first screw holes are formed in the radial direction of the third cylinder; the first adjusting member comprises an external thread matched with the first screw hole and threadedly connected with the first screw hole; one end of the first adjusting member is ball-jointed with the clamping member.

3. The auxiliary installation device for a marine depth sounder according to claim 2, characterized in that: The first adjusting member also includes an adjusting handle, which is fixed to the other end of the first adjusting member and is located outside the third cylinder.

4. The auxiliary installation device for a ship depth sounder according to claim 3, characterized in that: The position adjustment assembly includes a first support member and a second adjustment member; Each of the first support members is fixedly connected to one end of the third cylinder, evenly distributed on the same circumference inside the third cylinder, and forms a second screw hole with an axis parallel to the axis of the third cylinder; each of the second adjustment members is a bolt adapted for installation in the second screw hole, threadedly connected to each of the second screw holes, and the end is used to abut against the connecting plate.

5. The auxiliary installation device for a marine depth sounder according to claim 1, characterized in that: The horizontal adjustment assembly includes a third adjustment member and a second support member; the third adjustment member is a bolt; Each of the second support members is evenly distributed on the same circumference of the outer side of the third cylinder, is fixedly connected to the third cylinder, and is respectively formed with a third screw hole whose axis is parallel to the axis of the third cylinder; Each of the third adjusting members is connected and adapted to each of the third screw holes, and is respectively installed on each of the third screw holes, and the end thereof is used to abut against the hull.

6. The auxiliary installation device for a ship depth sounder according to claim 5, characterized in that: The frame includes a cross structure and a plurality of connecting legs; one end of each connecting leg is fixedly connected to the end of the cross structure, and the other end is fixedly connected to one end of the third cylinder, so that the cross structure tends to be perpendicular to the axis of the third cylinder; the level is fixedly arranged at the intersection of the cross structure.

7. The auxiliary installation device for a ship depth sounder according to claim 6, characterized in that: The level is of liquid bubble type.

8. The auxiliary installation device for a marine depth sounder according to claim 5, characterized in that: A plurality of arrows parallel to the axial direction are arranged on the outer side of the third cylinder, which correspond to the front-to-back direction or the left-to-right direction, and are used for aligning with the positioning lines of the depth sounder installation hole on the hull and performing horizontal adjustment when the ship depth sounder is installed.

9. The auxiliary installation device for a ship depth sounder according to any one of claims 5 to 8, characterized in that: The number of the level adjustment components is four.

10. The auxiliary installation device for a ship depth sounder according to claim 9, characterized in that: The number of the clamping assemblies is two, which are located at two ends of the diameter of the third cylinder and between two adjacent level adjustment assemblies.

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