Ship surface polishing device

Abstract

The utility model discloses a ship surface polishing device which comprises a device body, a driving head is installed at the front end of the device body, a transmission assembly is installed at the bottom of the driving head, a fixing assembly is installed at the bottom of the transmission assembly, the transmission assembly and the fixing assembly are installed on the same axis, and the section of the rear end of the driving head is of a rectangular structure. A sheath is installed on the outer side of the transmission assembly, a fixing shell is installed on the side surface of the sheath, and a connecting shell is installed at the bottom of the fixing shell. The protective cover of the polishing device is further improved, the protective cover is divided into the connecting shell which is prone to abrasion and the fixing shell which is not prone to abrasion, the connecting shell can be replaced only after the buckling rod is detached during replacement, and the whole protective cover of the polishing device does not need to be detached due to the fact that the buckling rod is of the buckling structure. And the service life of the protective cover to the fixed shell area is prolonged while the replacement efficiency is improved, and the safety of workers is also protected.

Description

Technical Field

[0001] This utility model relates to the field of grinding and rust removal, and in particular to a device for grinding ship surfaces. Background Technology

[0002] An angle grinder, also known as a grinding machine or disc grinder, is an electric tool used for cutting, grinding, and brushing materials such as metal and stone. It typically includes a motor, gearbox, handle, grinding disc, and protective cover. For example, prior art with patent number CN114559341B discloses a similar device.

[0003] However, existing angle grinders experience significant wear and tear on the protective cover during long-term use, especially when grinding ship surfaces. The debris from grinding large areas of steel plate structures constantly impacts the protective cover, causing it to wear down due to the continuous scraping of the high-temperature metal debris. Furthermore, the curved parts of the protective cover are more prone to wear than the flat parts. Therefore, after a period of use, the protective cover needs to be replaced frequently for safety. However, replacing the protective cover requires disassembling the entire machine from the grinding head, and sometimes the grinding disc also needs to be removed, which is not only time-consuming and labor-intensive but also reduces work efficiency.

[0004] Therefore, in order to address the above problems, a ship surface polishing device is provided. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a ship surface grinding device, mainly to solve the problem that the protective cover of the grinding device is not easy to disassemble and replace.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0007] This utility model relates to a ship surface polishing device, comprising a main body, a drive head mounted at the front end of the main body, a transmission assembly mounted at the bottom of the drive head, a fixing assembly mounted at the bottom of the transmission assembly, the transmission assembly and the fixing assembly being mounted on the same axis, the rear end of the drive head having a rectangular cross-section, a protective sleeve mounted on the outer side of the transmission assembly, a fixing shell mounted on the side surface of the protective sleeve, a connecting shell mounted at the bottom of the fixing shell, a raised ring provided at the bottom edge of the connecting shell, fixing blocks mounted on both sides of the fixing shell, a rotating shaft mounted on the fixing block facing the connecting shell, and a latch mounted on one end of the rotating shaft for fastening to the surface of the raised ring.

[0008] Preferably, both the fixed shell and the connecting shell are semi-circular structures, wherein a component groove is provided at the intersection of the central axis of the connecting shell and the sheath, the component groove being used for disassembling the fixed component, and the sheath having an annular structure and being connected to the drive head.

[0009] Preferably, the inner wall of the bottom of the connecting shell is provided with a protruding block, and the protruding block is arc-shaped and installed equidistantly.

[0010] Preferably, the edge of the fixed shell is provided with a protruding strip, the edge of the connecting shell is provided with a recessed groove, and the protruding strip and the recessed groove are correspondingly arranged.

[0011] Preferably, the surface of the protruding strip is further provided with a rubber layer, the buckle rod is rotatably connected through a rotating shaft, and the fixed block and the fixed shell are fixedly connected.

[0012] Preferably, the top of the device body is provided with a handle, the handle is in an L-shaped structure, the surface of the handle is sleeved with a cotton sleeve, the bottom of the cotton sleeve is provided with a squeezing layer, and the bottom surface of the squeezing layer is provided with an arc hole.

[0013] Preferably, the squeezing layer is made of polyurethane sponge material, and the number of the arc holes is at least two.

[0014] Preferably, one end of the handle is provided with a mounting plate, the surface of the mounting plate is provided with a bolt, the other end of the handle is provided with a rotating disc, the rotating disc is located at the rear end of the device body, and the four surfaces of the driving head are provided with mounting grooves, and the mounting grooves and the mounting plate are correspondingly arranged.

[0015] Compared with the prior art, the device has the following beneficial effects:

[0016] The protective cover of the polishing device is further improved, the protective cover is divided into a connecting shell which is easy to wear and a fixed shell which is not easy to wear, the connecting shell can be replaced after the buckle rod is disassembled, the buckle rod is in a buckling structure, the polishing device protective cover does not need to be disassembled as a whole, the replacement efficiency is improved, the service life of the fixed shell area of the protective cover is increased, and the safety of workers is protected.

[0017] The handle structure is further designed, the cotton sleeve of the handle itself and the adjustable structure of the handle direction can enable a worker to hold the device body with another hand, the fingers can also increase the friction force under the elastic action of the squeezing layer, the worker can hold and adjust the different angles of the grinding disc in different directions, and the safety effect of holding with both hands is better. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings are used to provide a further understanding of the device, and constitute a part of the specification, are used together with the embodiments of the device to explain the device, and do not constitute a limitation on the device. In the drawings:

[0019] Figure 1 is a schematic view of the overall structure of the device;

[0020] Figure 2 is the connecting shell structure schematic view of the utility model;

[0021] Figure 3 is the convex block structure schematic view of the utility model;

[0022] Figure 4 is the handle structure schematic view of the utility model;

[0023] In the drawing: 1, device main body;101, drive head;102, transmission assembly;103, fixed assembly;2, sheath;201, fixed shell;202, connecting shell;203, convex ring;204, fixed block;205, rotating shaft;206, buckle rod;207, component slot;208, convex block;209, convex strip;210, recessed groove;3, handle;301, cotton cover;302, extrusion layer;303, arc hole;304, mounting plate;305, bolt;306, rotating disc;307, mounting groove. DETAILED DESCRIPTION

[0024] The preferred embodiments of the utility model are described below in conjunction with the drawings, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0025] The same reference signs in the drawings all refer to the same parts.

[0026] Example 1

[0027] As Figures 1-3The utility model provides a kind of ship surface polishing device, including device main body 1, device main body 1 front end is equipped with driving head 101, the bottom of driving head 101 is equipped with transmission assembly 102, the bottom of transmission assembly 102 is equipped with fixed assembly 103, transmission assembly 102 and fixed assembly 103 are installed on same axis, driving head 101 rear end section is rectangular structure, the outside of transmission assembly 102 is equipped with sheath 2, the side surface of sheath 2 is equipped with fixed shell 201, the bottom of fixed shell 201 is equipped with connecting shell 202, the bottom edge of connecting shell 202 is provided with protruding ring 203, fixed shell 201 both sides are equipped with fixed block 204, fixed block 204 is equipped with rotating shaft 205 towards one end of connecting shell 202, one end of rotating shaft 205 is equipped with buckle rod 206, and buckle rod 206 is used to buckle to the surface of protruding ring 203;So that transmission assembly 102 and fixed assembly 103 are mainly covered by the structure of sheath 2, fixed shell 201 and connecting shell 202 form protection, transmission assembly 102 is mainly output shaft, and the side is protected by sheath 2, the bottom of sheath 2 extends fixed shell 201 for and connecting shell 202 is mutually installed, because connecting shell 202 can be disassembled, when the arc structure of connecting shell 202 is aged due to overlong use time, can be based on fixed block 204, rotating shaft 205 and buckle rod 206 structure disassembly, to form the convenient replacement of connecting shell 202.

[0028] Further, fixed shell 201 and connecting shell 202 are both semicircular structures, wherein connecting shell 202 is provided with a component slot 207 at the intersection with the central axis of sheath 2, the component slot 207 is used for disassembling fixed assembly 103, sheath 2 is an annular structure, and sheath 2 is connected with driving head 101, so that sheath 2 and fixed shell 201 and driving head 101 can be fixedly connected or detachably connected, when disassembly is needed, fixed assembly 103 can be first disassembled from component slot 207, and the whole driving head 101 shell can be disassembled, or sheath 2 can be separately disassembled from driving head 101, and both can realize disassembly and replacement of sheath 2 and fixed shell 201.

[0029] Further, the inner wall of the bottom of connecting shell 202 is provided with a protruding block 208, which is installed in an arc shape at equal distances, so that when the fixed abrasive disc of transmission assembly 102 and fixed assembly 103 is bent or broken due to damage, the bent abrasive disc will contact the protruding block 208 to increase the abnormal noise, and the overall speed of the abrasive disc can also be reduced.

[0030] Further, the edge of fixed shell 201 is provided with a protruding strip 209, the edge of connecting shell 202 is provided with a recess groove 210, the protruding strip 209 and the recess groove 210 are correspondingly arranged, so that fixed shell 201 and connecting shell 202 can be embeddedly fixed through the protruding strip 209 and the recess groove 210, which can limit the fixed shell 201 and the connecting shell 202 in the transverse direction and also position them.

[0031] Further, the surface of the convex strip 209 is also provided with a rubber layer, the buckle rod 206 is rotatably connected through the rotating shaft 205, and the fixed block 204 and the fixed shell 201 are fixedly connected, so that after the convex strip 209 and the recessed groove 210 are embedded, the buckling of the buckle rod 206, the rotating shaft 205 and the fixed block 204 can form a sealing effect between the convex strip 209 and the recessed groove 210.

[0032] Specifically, as shown in the device body 1, Figure 1 the conventional device body 1 is generally held by the user's hand, and the grinding disc is mainly installed on the transmission assembly 102 and pressed by the fixed assembly 103; in order to protect the user from being affected by the grinding debris, a protective cover structure is generally arranged around the grinding disc;

[0033] Due to long-term use, the protective cover body will be worn out, and the complex replacement procedure will affect the work efficiency, so a detachable or fixedly connected protective sleeve 2 is designed at the driving head 101, the fixed shell 201 extending from the bottom of the protective sleeve 2 serves as a base, and after the corresponding embedding of the convex strip 209 and the recessed groove 210 by the external connecting shell 202, the buckle rod 206 of the fixed block 204 is rotated around the rotating shaft 205 as the axis until it is buckled to the fixed convex ring 203 of the connecting shell 202 to complete the installation;

[0034] When the whole needs to be disassembled, it can be disassembled in reverse of the above process; if the protective sleeve 2 and the driving head 101 are fixedly connected, the grinding disc can be removed after the fixed assembly 103 is disassembled, and the driving head 101 shell can be disassembled and replaced with other driving head 101 shells.

[0035] The modular design can facilitate the replacement of the connecting shell 202 which is worn out more frequently without disassembling the entire protective sleeve 2 and the fixed shell 201, and at the same time, the protective sleeve 2 can also be disassembled together with the shell of the driving head 101, which is more convenient for actual use of the workers.

[0036] Embodiment 2

[0037] The difference from embodiment 1 is that, as shown in Figure 4 the handle 3 is installed on the top of the device body 1, the handle 3 has an L-shaped structure, the surface of the handle 3 is sleeved with a cotton sleeve 301, the bottom of the cotton sleeve 301 is provided with an extrusion layer 302, and the bottom surface of the extrusion layer 302 is provided with an arc hole 303.

[0038] The extrusion layer 302 is made of polyurethane sponge material, and the number of arc holes 303 is at least two.

[0039] One end of the handle 3 is provided with a mounting plate 304, and a bolt 305 is mounted on the surface of the mounting plate 304. The other end of the handle 3 is provided with a rotating disc 306, and the rotating disc 306 is located at the rear end of the device body 1. Four sides of the driving head 101 are provided with mounting grooves 307, and the mounting grooves 307 and the mounting plate 304 are correspondingly arranged.

[0040] Specifically, the handle 3 is installed on the upper part of the device body 1, that is, in a conventional use environment, the worker will pass the thumb through the arc hole 303 of the extrusion layer 302 in order to hold the device body 1. When the worker operates the button of the device body 1, the device body 1 will not be loosened due to the friction between the thumb and the extrusion layer 302.

[0041] In addition, the handle 3 can be held by the other hand, so that both hands can hold and fix the device body 1. The index finger of the other hand can be placed into the other arc hole 303 to fix the polishing effect. In order to make the holding of the other hand more convenient, the embodiment also provides an adjustable structure. When adjustment is needed, the bolt 305 on the mounting plate 304 can be disassembled, as shown in the figure, the handle 3 can be rotated around the right end rotating disc 306 as the axis, and the handle 3 can be rotated around the device body 1 as the axis. For example, after rotating to the side of the button, the worker can re-install the mounting plate 304 into the other mounting groove 307 and tighten the bolt 305. At this time, the other hand of the worker can hold the handle 3 from the side, realizing the holding mode for different angles. Figure 1

[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.​

Claims

1. A ship surface polishing device, comprising a device body (1), a driving head (101) is installed at the front end of the device body (1), a transmission assembly (102) is installed at the bottom of the driving head (101), a fixing assembly (103) is installed at the bottom of the transmission assembly (102), the transmission assembly (102) and the fixing assembly (103) are installed on the same axis, the rear end section of the driving head (101) is a rectangular structure, characterized in that, The outer side of the transmission assembly (102) is provided with a sheath (2), the side surface of the sheath (2) is provided with a fixed shell (201), the bottom of the fixed shell (201) is provided with a connecting shell (202), the bottom edge of the connecting shell (202) is provided with a convex ring (203), the two sides of the fixed shell (201) are provided with a fixed block (204), one end of the fixed block (204) towards the connecting shell (202) is provided with a rotating shaft (205), one end of the rotating shaft (205) is provided with a buckle rod (206), and the buckle rod (206) is used for buckling to the surface of the convex ring (203).

2. A marine vessel surface polishing apparatus as claimed in claim 1, wherein, The fixed shell (201) and the connecting shell (202) are both semicircular structures, wherein the connecting shell (202) is provided with a component slot (207) at the intersection with the central axis of the sheath (2), the component slot (207) is used for disassembling the fixed assembly (103), and the sheath (2) is an annular structure and is connected with the driving head (101).

3. A marine surface polishing device according to claim 1 or 2, characterised in that, The bottom inner wall of the connecting shell (202) is provided with a convex block (208), and the convex block (208) is arc-shaped and installed at equal distances.

4. A marine vessel surface polishing apparatus as claimed in claim 3, wherein, The edge of the fixed shell (201) is provided with a convex strip (209), the edge of the connecting shell (202) is provided with a recessed groove (210), and the convex strip (209) and the recessed groove (210) are correspondingly arranged.

5. A marine vessel surface polishing apparatus as claimed in claim 4, wherein, The surface of the convex strip (209) is further provided with a rubber layer, the buckle rod (206) is rotatably connected through the rotating shaft (205), and the fixed block (204) and the fixed shell (201) are fixedly connected.

6. A marine vessel surface polishing apparatus as defined in claim 1, wherein, The top of the device body (1) is provided with a handle (3), the handle (3) is in an L-shaped structure, the surface of the handle (3) is sleeved with a sleeve cotton (301), the bottom of the sleeve cotton (301) is provided with an extrusion layer (302), and the bottom surface of the extrusion layer (302) is provided with an arc hole (303).

7. A marine vessel surface polishing apparatus as claimed in claim 6, wherein, The extrusion layer (302) is made of polyurethane sponge material, and the number of arc holes (303) is at least two.

8. A marine vessel surface polishing apparatus as claimed in claim 6, wherein, One end of the handle (3) is provided with a mounting plate (304), the surface of the mounting plate (304) is provided with a bolt (305), the other end of the handle (3) is provided with a rotating disc (306), the rotating disc (306) is located at the rear end of the device body (1), and the four surfaces of the driving head (101) are provided with mounting grooves (307), and the mounting grooves (307) and the mounting plate (304) are correspondingly arranged.

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