Bearing seat for winch

Abstract

A shaft head is a transversely-placed cylinder, a first containing circular groove is formed in the right side portion of the shaft head, a second containing circular groove is formed in the left side wall in the first containing circular groove, and a first circular penetrating hole is formed in the left side wall in the second containing circular groove; the first placing circular groove, the second placing circular groove and the first circular through hole are step-shaped; the two bearings are sequentially located in the first containing circular groove of the shaft head from left to right, the end cover is in a circular ring shape and connected to the right side portion of the shaft head through a flange, the cover plate is located in the first circular penetrating hole and the second containing circular groove and abuts against the bearing located on the left side, and the rotating shaft penetrates through the end cover, the two bearings and the cover plate in a penetrating mode. The nut abuts against the left side portion of the cover plate. The wire coil has the advantages of being simple and compact in structure, convenient to install and capable of being inserted into the wire coil conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to winch technical field, especially a kind of bearing seat for winch. BACKGROUND

[0002] Underwater positioning beacon is a kind of underwater position marker beacon.Underwater positioning beacon is placed at underwater target position, which can be positioned in real time by navigation computer or water control center.

[0003] After underwater positioning beacon is produced, it needs to be tested, at this time, the cable of winch needs to be connected with it, to facilitate it to be fished up after underwater detection is completed, but during testing, underwater positioning beacon needs to be deep into seabed, at this time, the cable needed is 5000-6000 meters long, using one wire reel will cause wire reel and winch to be very large, and more large ship body is needed, and joint equipment, such as shackle, is usually arranged at 1000 meters of cable, which will make cable arrangement difficult, and further increase cost, therefore, wire reel of winch needs to be disassembled, to facilitate replacement of wire reel, and the length of cable is increased by increasing wire reel.

[0004] However, the wire reel of winch does not have rotating shaft, when replacing wire reel, one end of wire reel is fixedly connected with rotating shaft of motor, and rotating shaft needs to be inserted at the other end of wire reel, in order to facilitate rotation of wire reel and reduce friction between wire reel and rotating shaft, bearing seat is arranged at one end of rotating shaft inserted in pad. SUMMARY

[0005] The utility model aims at providing a kind of bearing seat for winch, with the advantages of simple structure, easy installation and easy insertion in wire reel.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A kind of bearing seat for winch, based on detachable wire reel underwater positioning beacon winch, rotating shaft is inserted in bearing seat, bearing seat is slidably inserted in wire reel right side, the bearing seat includes shaft head, end cover, cover plate, two bearings, nut;

[0008] The shaft head is horizontally placed cylinder, first placement circular groove is arranged in the right side of shaft head, second placement circular groove is arranged in the inner left side wall of first placement circular groove, first circular hole is arranged in the inner left side wall of second placement circular groove, first placement circular groove, second placement circular groove and first circular hole are in ladder shape.

[0009] Two bearings are sequentially arranged in the first circular groove of the shaft head from left to right, the end cover is annular, the flange of the end cover is connected to the right side of the shaft head, the cover plate is arranged in the first circular hole and the second circular groove, the cover plate abuts against the bearing on the left side, the rotating shaft is inserted into the end cover, the two bearings and the cover plate, the nut is arranged on the left side of the rotating shaft, and the nut abuts against the left side of the cover plate.

[0010] Preferably, the following is true:

[0011] Preferably, the left side wall of the rotating shaft is sequentially provided with a first circular annular opening, a second circular annular opening and a third circular annular opening from left to right, a threaded rod is arranged at the first circular annular opening, a first cylinder is formed at the third circular annular opening, a second cylinder is formed at the second circular annular opening, and the threaded rod, the second cylinder and the first cylinder are in a stepped shape.

[0012] Preferably, the left side of the outer ring of the bearing on the left side abuts against the inner left side wall of the first circular groove, the two bearings are sleeved on the outer side wall of the first cylinder, and the right side wall of the inner ring of the bearing on the right side abuts against the step between the first cylinder and the rotating shaft.

[0013] Preferably, the left side of the end cover is fixedly provided with a first abutting block, the first abutting block is annular, the inner diameter of the first abutting block is consistent with the inner diameter of the end cover, and the left side of the first abutting block abuts against the right side wall of the outer ring of the bearing on the right side.

[0014] The right side of the side wall corresponding to the inner diameter of the end cover is fixedly provided with a second abutting block, the second abutting block is annular, and the left side of the second abutting block is provided with a first lip-shaped sealing ring.

[0015] Preferably, the cover plate is an annular cylinder, the right side of the cover plate is provided with a third circular groove, the left side of the cover plate is sleeved on the outer side wall of the threaded rod, the right side of the third circular groove of the cover plate is sleeved on the outer side wall of the second cylinder, and the right side wall of the cover plate abuts against the step between the second cylinder and the first cylinder.

[0016] The right side of the outer side wall of the cover plate is fixedly provided with a third abutting block, the third abutting block is annular, and the right side of the third abutting block abuts against the left side of the inner ring of the bearing on the left side.

[0017] Preferably, the second circular groove is provided with a second lip-shaped sealing ring.

[0018] Preferably, the nut is threadedly connected with the threaded rod, and the nut abuts against the left side of the cover plate.

[0019] Therefore, the utility model has the following technical effects:

[0020] 1. Through the setting of the shaft head, the end cover and the first cylinder of the rotating shaft, the two bearings can be limited and the normal rotation of the two bearings can be ensured;

[0021] 2. Through the setting of the first lip-shaped sealing ring and the second lip-shaped sealing ring, the inner wall of the shaft head can be sealed and the leakage of lubricating oil in the shaft head can be prevented;

[0022] 3. Through the setting of the cover plate, the nut and the threaded rod, the two bearings are tightly pressed by the threaded connection of the nut and the threaded rod, and the shaft head is fixed due to the setting of the shaft head and the end cover, thereby achieving the effect of fixing the entire bearing seat. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is the overall structure modeling schematic view of the wire reel, the underwater positioning beacon winch and the bearing seat of the embodiment;

[0024] Figure 2 is the overall structure modeling schematic view of the bearing seat and the rotating shaft of the embodiment;

[0025] Figure 3 is the partial sectional view of the bearing seat and the rotating shaft of the embodiment;

[0026] Figure 4 is the partial sectional view of the shaft head of the embodiment;

[0027] Figure 5 is the structure schematic view of the cover plate of the embodiment;

[0028] Figure 6 is the partial sectional view of the end cover of the embodiment.

[0029] In the figure, 1 is a wire reel; 2 is an underwater positioning beacon winch; 3 is a bearing seat; 4 is a rotating shaft; 5 is a shaft head; 6 is an end cover; 7 is a cover plate; 8 is a bearing; 9 is a nut; 411 is a threaded rod; 412 is a first cylinder; 413 is a second cylinder; 511 is a first placement circular groove; 512 is a second placement circular groove; 513 is a first circular perforation; 514 is a second lip-shaped sealing ring; 611 is a first abutting block; 612 is a second abutting block; 613 is a first lip-shaped sealing ring; 711 is a third placement circular groove; and 712 is a third abutting block. DETAILED DESCRIPTION

[0030] The utility model will be further described in detail below in combination with the drawings.

[0031] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings.

[0032] A bearing seat for a winch, such asFigures 1-6 As shown, the underwater positioning beacon winch 2 based on the detachable wire reel 1, the rotating shaft 4 is inserted into the bearing seat 3, and the bearing seat 3 is slidingly inserted into the right side of the wire reel 1.

[0033] The bearing seat 3 comprises a shaft head 5, an end cover 6, a cover plate 7, two bearings 8, and a nut 9.

[0034] The shaft head 5 is a horizontally placed cylinder, a fourth circular opening is formed on the left side of the outer side wall of the shaft head 5, the shaft head 5 is stepped, when the shaft head 5 is inserted into the wire reel 1, the fourth circular opening of the shaft head 5 is inserted into the wire reel 1, the wire reel 1 abuts against the step of the shaft head 5, a first placement circular groove 511 is formed on the right side of the shaft head 5, a second placement circular groove 512 is formed on the inner left side wall of the first placement circular groove 511, and a first circular through hole 513 is formed on the inner left side wall of the second placement circular groove 512, the first placement circular groove 511, the second placement circular groove 512, and the first circular through hole 513 are stepped.

[0035] The two bearings 8 are sequentially arranged in the first placement circular groove 511 of the shaft head 5 from left to right, the end cover 6 is annular, the end cover 6 is flange-connected to the right side of the shaft head 5, the cover plate 7 is arranged in the first circular through hole 513 and the second placement circular groove 512, the cover plate 7 abuts against the bearing 8 on the left side, the rotating shaft 4 is inserted into the end cover 6, the two bearings 8, and the cover plate 7, and the nut 9 is arranged on the left side of the rotating shaft 4 and abuts against the left side of the cover plate 7.

[0036] The left side wall of the rotating shaft 4 is sequentially provided with a first circular opening, a second circular opening, and a third circular opening from left to right, a threaded rod 411 is arranged at the first circular opening, a first cylinder 412 is formed at the third circular opening, a second cylinder 413 is formed at the second circular opening, and the threaded rod 411, the second cylinder 413, and the first cylinder 412 are stepped.

[0037] The inner left side wall of the first placement circular groove 511 is provided with a displacement circular groove, the diameter of the displacement circular groove is 1.1 times the inner diameter of the outer ring of the bearing 8, the outer ring of the bearing 8 on the left side abuts against the inner left side wall of the first placement circular groove 511, and due to the arrangement of the displacement circular groove, the outer ring of the bearing 8 on the left side is not in contact with the position corresponding to the displacement circular groove, thereby ensuring the rotation of the bearing 8, the two bearings 8 are both arranged on the outer side wall of the first cylinder 412, and the inner ring of the bearing 8 on the right side abuts against the step between the first cylinder 412 and the rotating shaft 4, and the inner diameter of each bearing 8 is smaller than the diameter of the rotating shaft 4 by 1 mm, thereby facilitating the rotation of the bearing 8.

[0038] The end cover 6 is annular, the outer diameter of the end cover 6 is consistent with the outer diameter of the shaft head 5, the inner diameter of the end cover 6 is consistent with the diameter of the clearance circular groove, the left side of the end cover 6 is fixedly provided with a first abutting block 611, the first abutting block 611 is annular, the outer diameter of the first abutting block 611 is consistent with the diameter of the first placement circular groove 511, and the inner diameter of the first abutting block 611 is consistent with the inner diameter of the end cover 6, that is, the bearing 8 can be conveniently rotated, the first abutting block 611 is inserted into the first placement circular groove 511, the left side of the first abutting block 611 abuts against the outer ring right side wall of the bearing 8 located on the right side, and thus the limiting of the upper end of the bearing 8 is completed.

[0039] The right side of the side wall corresponding to the inner diameter of the end cover 6 is fixedly provided with a second abutting block 612, the second abutting block 612 is annular, the inner diameter of the second abutting block 612 exceeds the diameter of the rotating shaft 4 by 1 mm, the end cover 6 can be conveniently rotated with the shaft head 5, the left side of the second abutting block 612 is provided with a first lip-shaped sealing ring 613, the first lip-shaped sealing ring 613 is sleeved on the outer side wall of the rotating shaft 4, the upper end of the first lip-shaped sealing ring 613 abuts against the side corresponding to the inner diameter of the end cover 6, the lower end of the first lip-shaped sealing ring 613 abuts against the side wall of the rotating shaft 4, and the right side of the first lip-shaped sealing ring 613 abuts against the left side wall of the second abutting block 612.

[0040] The cover plate 7 is annular and cylindrical, the right side of the cover plate 7 is provided with a third placement circular groove 711, the diameter of the third placement circular groove 711 is consistent with the diameter of the second circular cylinder 413, the left side of the cover plate 7 is sleeved on the outer side wall of the threaded rod 411, the right side of the third placement circular groove 711 of the cover plate 7 is sleeved on the outer side wall of the second circular cylinder 413, and the right side wall of the cover plate 7 abuts against the stepped portion between the second circular cylinder 413 and the first circular cylinder 412.

[0041] The right side of the outer side wall of the cover plate 7 is fixedly provided with a third abutting block 712, the third abutting block 712 is annular, the right side of the third abutting block 712 abuts against the inner ring left side of the bearing 8 located on the left side, the diameter of the third abutting block 712 is smaller than the diameter of the first circular hole 513 by 1-2 mm, the cover plate 7 can be conveniently inserted into the inside of the shaft head 5, the diameter of the third abutting block 712 is greater than the inner diameter of the outer ring of the bearing 8 by 5 mm, and the rotation of the bearing 8 is avoided.

[0042] The second placement circular groove 512 is provided with a second lip-shaped sealing ring 514, the upper end of the second lip-shaped sealing ring 514 abuts against the inner side wall in the second placement circular groove 512, the lower end of the second lip-shaped sealing ring 514 abuts against the side wall of the cover plate 7, and the left side of the second lip-shaped sealing ring 514 abuts against the inner left side wall in the second placement circular groove 512.

[0043] The nut 9 is threadedly connected with the threaded rod 411, and the left side of the nut 9 abuts against the cover plate 7.

[0044] The second circular hole is arranged through the threaded rod 411, the second cylinder 413 and the first cylinder 412, and a third circular hole is arranged at the step of the first cylinder 412 and the rotating shaft 4, and the third circular hole is communicated with the second circular hole; a straight-through type pressure injection oil cup is fixedly arranged at the left side of the threaded rod 411, so that the grease can be injected into the second circular hole through the straight-through type pressure injection oil cup, and then flows into the bearing 8 through the third circular hole, thereby lubricating the bearing 8.

[0045] Specific installation process:

[0046] Step one: first, the end cover 6 is sleeved on the left side of the rotating shaft 4, and then the first lip-shaped sealing ring 613 is embedded on the left side of the second abutting block 612 of the end cover 6;

[0047] Step two: two bearings 8 are sleeved on the first cylinder 412 on the left side of the rotating shaft 4;

[0048] Step three: the cover plate 7 is sleeved on the threaded rod 411 and the side wall of the second cylinder 413, and the cover plate 7 is tightly abutted through the nut 9, thereby fixing the two bearings 8;

[0049] Step four: the second lip-shaped sealing ring 514 is placed in the second placement circular groove 512;

[0050] Step five: the first placement circular groove 511 of the shaft head 5 is sleeved on the outer side of the two bearings 8 to the right, and the second lip-shaped sealing ring 514 is located on the outer side wall of the cover plate 7;

[0051] Step six: the right side flange of the end cover 6 is connected with the shaft head 5, and the end cover 6 is fixed, and since the two bearings 8 are fixed, the first abutting block 611 of the end cover 6 and the left side wall of the first placement circular groove 511 of the shaft head 5 are abutted through the two bearings 8, thereby fixing the shaft head 5.

[0052] Specific implementation process:

[0053] When the cable on the wire reel 1 is released, the motor of the winch drives the wire reel 1 to rotate through the rotating shaft 4, at this time, the wire reel 1 drives the shaft head 5 to rotate, the shaft head 5 is fixed through the two bearings 8, at this time, the two bearings 8 rotate, and at the same time, the two bearings 8 do not interfere with each other between the shaft head 5 and the end cover 6, thereby facilitating the rotation of the two bearings 8.

[0054] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and those skilled in the art can make modifications without creative contribution according to the needs after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A kind of bearing seat for winch, based on the underwater positioning beacon winch (2) of detachable wire reel (1), bearing seat (3) inside plug-in shaft (4), bearing seat (3) slip plug-in right side of wire reel (1), it is characterized by: The bearing seat (3) comprises a shaft head (5), an end cover (6), a cover plate (7), two bearings (8) and a nut (9); The shaft head (5) is a horizontally placed cylinder, a first placing circular groove (511) is formed in the right side of the shaft head (5), a second placing circular groove (512) is formed in the inner left side wall of the first placing circular groove (511), and a first circular perforation (513) is formed in the inner left side wall of the second placing circular groove (512); the first placing circular groove (511), the second placing circular groove (512) and the first circular perforation (513) are in a stepped shape; The two bearings (8) are sequentially arranged in the first placing circular groove (511) of the shaft head (5) from left to right, the end cover (6) is in a ring shape, the flange of the end cover (6) is connected to the right side of the shaft head (5), the cover plate (7) is arranged in the first circular perforation (513) and the second placing circular groove (512), the cover plate (7) abuts against the bearing (8) on the left side, the rotating shaft (4) is inserted into the end cover (6), the two bearings (8) and the cover plate (7), and the nut (9) is arranged on the left side of the rotating shaft (4) and abuts against the left side of the cover plate (7).

2. A bearing block for a winch as claimed in claim 1, characterised in that: A first circular annular opening, a second circular annular opening and a third circular annular opening are sequentially formed in the left side wall of the rotating shaft (4) from left to right, a threaded rod (411) is formed at the first circular annular opening and is provided with external threads, a first cylinder (412) is formed at the third circular annular opening, a second cylinder (413) is formed at the second circular annular opening, and the threaded rod (411), the second cylinder (413), the first cylinder (412) and the rotating shaft (4) are in a stepped shape.

3. A bearing block for a drawworks as defined in claim 2, wherein: The outer ring left side of the bearing (8) on the left side abuts against the inner left side wall of the first placing circular groove (511), and the two bearings (8) are both arranged on the outer side wall of the first cylinder (412); the inner ring right side wall of the bearing (8) on the right side abuts against the step between the first cylinder (412) and the rotating shaft (4).

4. A bearing block for a winch as claimed in claim 3, characterised in that: A first abutting block (611) is fixedly arranged on the left side of the end cover (6) and is in a ring shape, the inner diameter of the first abutting block (611) is consistent with the inner diameter of the end cover (6), and the left side of the first abutting block (611) abuts against the outer ring right side wall of the bearing (8) on the right side. A second abutting block (612) is fixedly arranged on the right side of the side wall corresponding to the inner diameter of the end cover (6) and is in a ring shape, and a first lip-shaped sealing ring (613) is arranged on the left side of the second abutting block (612).

5. A bearing block for a drawworks as defined in claim 4, wherein: The cover plate (7) is in a ring cylinder shape, a third placing circular groove (711) is formed in the right side of the cover plate (7), the cover plate (7) is arranged on the outer side wall of the threaded rod (411), the third placing circular groove (711) of the cover plate (7) is arranged on the outer side wall of the second cylinder (413), and the right side wall of the cover plate (7) abuts against the step between the second cylinder (413) and the first cylinder (412). The right side of the outer side wall of the cover plate (7) is fixedly provided with a third abutting block (712), which is in the shape of a ring, and the right side of the third abutting block (712) abuts against the left side of the inner ring of the left bearing (8).

6. A bearing block for a winch as claimed in claim 5, characterised in that: The second placing circular groove (512) is provided with a second lip-shaped sealing ring (514).

7. A bearing block for a winch as claimed in claim 6, characterised in that: The nut (9) is in threaded connection with the threaded rod (411), and the nut (9) abuts against the left side of the cover plate (7).

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