Detachable lifting lug type marine manhole cover

Abstract

The utility model discloses a detachable lifting lug type marine manhole cover which comprises a manhole cover body, mounting grooves are formed in the two sides of the upper portion of the manhole cover body, connecting grooves communicated with the mounting grooves are formed in the two sides of the manhole cover body, a control groove is formed in the middle side of the manhole cover body, and a lower bevel gear is rotationally connected to the inner wall of the control groove. A rotating rod is fixedly connected to the upper portion of the lower bevel gear, the upper portion of the rotating rod penetrates through the hole cover to be fixedly connected with a rotating cap, upper bevel gears are connected to the two sides of the upper portion of the lower bevel gear in a meshed mode, and the two sides of each upper bevel gear penetrate through the corresponding connecting groove to be fixedly connected with a lead screw; moving blocks are fixedly connected to the two ends of the handle, the moving block on one side is in threaded connection with the lead screw, a sliding rod is slidably connected into the moving block on the other side, and the two ends of the sliding rod are fixedly connected with the inner wall of the connecting groove, so that the hoisting position can be conveniently adjusted according to different hoisting tools, and a hoisting rope can be lifted in a rope hanging groove; and danger caused by rope sliding is prevented.

Description

Technical Field

[0001] The utility model relates to the field of ship manhole covers, in particular to a detachable ear-type ship manhole cover. Background Art

[0002] Marine manhole covers are the general term for covers and their fixing accessories installed on ships to close manholes and provide sealing performance. They are widely used in cargo holds, engine rooms, boiler rooms and other areas of ships to facilitate maintenance and inspection work by crew members.

[0003] Since the manhole cover is heavy, it is usually hoisted during transportation. However, the lifting ears of the manhole cover are fixed and have a smooth surface, which causes the lifting rope to slide along the lifting ears, increasing the risk of lifting. The position of the lifting ears is fixed. When lifting with lifting ropes of different angles and lengths, if the lifting ears on both sides are close, the lifting rope will be loose, and if the lifting ears on both sides are far away, the lifting rope will be subjected to excessive force, affecting the safety of lifting. Utility Model Content

[0004] The utility model aims to provide a detachable ear-type marine manhole cover to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a detachable ear-type manhole cover for ships, comprising a manhole cover, wherein mounting grooves are provided on both sides of the upper part of the manhole cover, and connecting grooves communicating with the mounting grooves are provided on both sides of the manhole cover, a control groove is provided inside the middle side of the manhole cover, the inner wall of the control groove is rotatably connected with a lower bevel gear, the upper part of the lower bevel gear is fixedly connected with a rotating rod, the upper part of the rotating rod penetrates the hole cover and is fixedly connected with a rotating cap, the upper two sides of the lower bevel gear are meshed and connected with an upper bevel gear, the two sides of the upper bevel gear penetrate into the connecting groove and are fixedly connected with a lead screw, the other end of the lead screw is rotatably connected with the inner wall of the connecting groove, a handle is sleeved inside the mounting groove, and moving blocks are fixedly connected at both ends of the handle, the moving block on one side is threadedly connected to the lead screw, and a sliding rod is slidably connected inside the moving block on the other side, and the two ends of the sliding rod are fixedly connected to the inner wall of the connecting groove.

[0006] Preferably, a limiting groove communicating with the connecting groove is provided inside the hole cover, a limiting block is fixedly connected to one side of the moving block, and the limiting block is slidably connected to the inside of the limiting groove.

[0007] Preferably, a plurality of groups of grooves are provided at the lower portion of the handle, a protective cover is rotatably connected to the outer side of the handle, and a connecting hole facing the grooves is provided at the lower portion of the protective cover.

[0008] Preferably, first mounting holes are formed on both sides of the handle, second mounting holes are formed on both sides of the protective cover and face the first mounting holes, and mounting screws are threadedly connected inside the second mounting holes.

[0009] Preferably, a baffle is slidably connected inside the hole cover, a first connecting seat is fixedly connected to the upper part of the baffle close to the mounting groove, second connecting seats are fixedly connected to the two sides of the upper part of the hole cover facing the two groups of first connecting seats, a second connecting seat is fixedly connected to the middle side of the upper part of the hole cover facing the two groups of third connecting seats, and a fixing screw is threadedly connected inside the first connecting seat.

[0010] Preferably, friction patterns are provided on the upper portion of the hole cover.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model drives the lower bevel gear to rotate by rotating the rotating cap, and the upper bevel gear drives the lead screw to rotate, and drives the handle to move left and right along the installation groove through the moving block, adjusts the position of the handle, rotates the protective cover around the handle, makes the connecting hole face the groove, connects the first installation hole and the second installation hole through the installation screw, realizes the fixing of the protective cover, facilitates the hanging of the lifting rope in the groove, facilitates the adjustment of the lifting position according to different lifting tools, and can improve the hanging rope groove for the lifting rope to prevent the rope from sliding and causing danger;

[0013] The utility model also achieves shielding and connection of the installation groove by shielding and opening the baffle, and connects the first connecting seat with the second connecting seat and the third connecting seat respectively by fixing screws to fix the baffle in the open and closed positions, thereby preventing water or impurities from entering the installation groove when the handle is not in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;

[0015] Figure 2 This is a cross-sectional view of the hole cover structure of the utility model from a second viewing angle;

[0016] Figure 3 This is a cross-sectional view of the hole cover structure of the utility model from the third viewing angle;

[0017] Figure 4 This is a schematic diagram of the handle structure of the utility model from the fourth viewing angle;

[0018] Figure 5 This is a schematic diagram of the baffle structure of the fifth viewing angle of the present utility model.

[0019] In the figure: 1. hole cover; 2. mounting groove; 3. connecting groove; 4. rotating cap; 5. rotating rod; 6. lower bevel gear; 7. upper bevel gear; 8. lead screw; 9. moving block; 10. sliding rod; 11. handle; 12. control groove; 13. limit groove; 14. limit block; 15. groove; 16. first mounting hole; 17. protective cover; 18. connecting hole; 19. second mounting hole; 20. mounting screw; 21. baffle; 22. first connecting seat; 23. fixing screw; 24. second connecting seat; 25. third connecting seat; 26. friction pattern. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides a technical solution: a detachable ear-type marine manhole cover, comprising a manhole cover 1, mounting grooves 2 are provided on both sides of the upper part of the manhole cover 1, connecting grooves 3 communicating with the mounting grooves 2 are provided on both sides of the manhole cover 1, a control groove 12 is provided inside the middle side of the manhole cover 1, a lower bevel gear 6 is rotatably connected to the inner wall of the control groove 12, a rotating rod 5 is fixedly welded on the upper part of the lower bevel gear 6, a rotating cap 4 is fixedly welded on the upper part of the rotating rod 5 penetrating the manhole cover 1, an upper bevel gear 7 is meshedly connected to the upper part of the lower bevel gear 6, and both sides of the upper bevel gear 7 penetrate to A lead screw 8 is fixedly welded to the connecting groove 3, and the other end of the lead screw 8 is rotatably connected to the inner wall of the connecting groove 3. A handle 11 is sleeved inside the mounting groove 2, and moving blocks 9 are fixedly welded at both ends of the handle 11. The moving block 9 on one side is threadedly connected to the lead screw 8, and a sliding rod 10 is slidably connected inside the moving block 9 on the other side. Both ends of the sliding rod 10 are fixedly welded to the inner wall of the connecting groove 3. By rotating the rotating cap 4, the rotating rod 5 drives the lower bevel gear 6 to rotate, and the upper bevel gear 7 drives the lead screw 8 to rotate, and the handle 11 is driven to move left and right along the mounting groove 2 through the moving block 9;

[0022] A limiting groove 13 communicating with the connecting groove 3 is provided inside the hole cover 1, and a limiting block 14 is fixedly welded on one side of the moving block 9. The limiting block 14 is slidably installed inside the limiting groove 13 to prevent the screw 8 from driving the moving block 9 to rotate; a plurality of groups of grooves 15 are provided at the lower part of the handle 11 to facilitate the hanging of the lifting rope in the groove 15 to prevent the lifting rope from sliding, and a protective cover 17 is rotatably installed on the outer side of the handle 11, and a connecting hole 18 facing the groove 15 is provided at the lower part of the protective cover 17. The protective cover 17 rotates to change the relative position of the connecting hole 18 and the groove 15, so that the protective cover 17 covers the groove 15 when not hoisting; first mounting holes 16 are provided on both sides of the handle 11, and second mounting holes 19 facing the first mounting holes 16 are provided on both sides of the protective cover 17. The second mounting holes 19 are internally threadedly connected with mounting screws 20, and the mounting screws 20 are connected by the mounting screws 2 0 connects the first mounting hole 16 and the second mounting hole 19 to fix the protective cover 17; a baffle 21 is slidably installed inside the hole cover 1, and the baffle 21 blocks the mounting groove 2 to prevent water and debris from falling into the mounting groove 2. A first connecting seat 22 is fixedly welded on the upper part of the baffle 21 close to the mounting groove 2. Second connecting seats 24 facing the two groups of first connecting seats 22 are fixedly welded on both sides of the upper part of the hole cover 1. A second connecting seat 24 facing the two groups of third connecting seats 25 is fixedly welded on the middle side of the upper part of the hole cover 1. A fixing screw 23 is threadedly connected inside the first connecting seat 22. The first connecting seat 22 is respectively connected to the second connecting seat 24 and the third connecting seat 25 by the fixing screw 23 to fix the baffle 21 in the open and closed positions; a friction pattern 26 is provided on the upper part of the hole cover 1 to prevent people from sliding when stepping on the upper part of the hole cover 1.

[0023] Working principle: When the utility model is in use, the rotating cap 4 is rotated, the rotating rod 5 drives the lower bevel gear 6 to rotate, the upper bevel gear 7 drives the lead screw 8 to rotate, and the handle 11 is driven to move left and right along the installation groove 2 through the moving block 9. The position of the handle 11 is adjusted to facilitate the adjustment of the lifting position according to different lifting tools. The protective cover 17 is rotated around the handle 11 so that the connecting hole 18 is opposite to the groove 15. The first mounting hole 16 and the second mounting hole 19 are connected by the installing screw 20 to achieve the fixation of the protective cover 17, which is convenient for the lifting rope to be hung in the groove 15. The baffle 21 is used to block and open, so as to achieve the blocking and connection of the installation groove 2. The first connecting seat 22 is respectively connected to the second connecting seat 24 and the third connecting seat 25 through the fixing screw 23 to achieve the fixation of the baffle 21 in the open and closed positions.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detachable ear-type marine manhole cover, comprising a manhole cover (1), characterized in that: The hole cover (1) has mounting grooves (2) formed on both sides of the upper part, and connecting grooves (3) communicating with the mounting grooves (2) formed on both sides of the hole cover (1). A control groove (12) is formed inside the middle side of the hole cover (1), and a lower bevel gear (6) is rotatably connected to the inner wall of the control groove (12). The upper part of the lower bevel gear (6) is fixedly connected to a rotating rod (5), and the upper part of the rotating rod (5) penetrates the hole cover (1) and is fixedly connected to a rotating cap (4). The upper part of the lower bevel gear (6) is meshingly connected to the upper bevel gear (6). 7), both sides of the upper bevel gear (7) penetrate into the connecting groove (3) and are fixedly connected with a lead screw (8), the other end of the lead screw (8) is rotatably connected to the inner wall of the connecting groove (3), a handle (11) is sleeved inside the mounting groove (2), and both ends of the handle (11) are fixedly connected with a moving block (9), one side of the moving block (9) is threadedly connected to the lead screw (8), and the other side of the moving block (9) is slidably connected with a sliding rod (10), and both ends of the sliding rod (10) are fixedly connected to the inner wall of the connecting groove (3).

2. The detachable ear-type marine manhole cover according to claim 1, characterized in that: A limiting groove (13) communicating with the connecting groove (3) is provided inside the hole cover (1); a limiting block (14) is fixedly connected to one side of the moving block (9); and the limiting block (14) is slidably connected inside the limiting groove (13).

3. The detachable ear-type marine manhole cover according to claim 1, characterized in that: A plurality of groups of grooves (15) are formed at the bottom of the handle (11), a protective sleeve (17) is rotatably connected to the outside of the handle (11), and a communicating hole (18) facing the grooves (15) is formed at the bottom of the protective sleeve (17).

4. The detachable ear-type marine manhole cover according to claim 3, characterized in that: The handle (11) is provided with first mounting holes (16) on both sides, the protective cover (17) is provided with second mounting holes (19) facing the first mounting holes (16) on both sides, and the second mounting holes (19) are internally threadedly connected with mounting screws (20).

5. The detachable ear-type marine manhole cover according to claim 1, characterized in that: A baffle (21) is slidably connected inside the hole cover (1); a first connection seat (22) is fixedly connected to the upper portion of the baffle (21) near the mounting groove (2); second connection seats (24) facing two groups of first connection seats (22) are fixedly connected to both sides of the upper portion of the hole cover (1); a second connection seat (24) facing two groups of third connection seats (25) is fixedly connected to the middle side of the upper portion of the hole cover (1); and a fixing screw (23) is threadedly connected inside the first connection seat (22).

6. The detachable ear-type marine manhole cover according to claim 1, characterized in that: The upper part of the hole cover (1) is provided with friction patterns (26).

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