CN211001777U

CN211001777U - Thrust bearing fastening device for main shaft of ship propeller

Info

Publication number: CN211001777U
Application number: CN201922063966.0U
Authority: CN
Inventors: 林森
Original assignee: Army Military Transportation University of PLA Zhenjiang
Current assignee: Army Military Transportation University of PLA Zhenjiang
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-07-14
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a marine propulsor is thrust bearing fastener for main shaft relates to marine propulsor main shaft field, including holder, main shaft and bottom plate, fixed cup joint has thrust bearing on the main shaft, the holder sets up to two, the thrust bearing laminating is installed between the inner wall of two holders. The utility model discloses a set up the cold water passageway in the holder, and let in cold water, thereby make the holder carry out cooling to thrust bearing, prevent that thrust bearing work from producing high temperature and leading to self to warp, thrust bearing's life has been prolonged, thereby it is fixed with thrust bearing clamp fastening to remove through adjusting two holders, convenient to use, and set up a plurality of stoppers on the holder inner wall, it is fixed for the holder to have further guaranteed the thrust bearing outer wall, avoid taking place relative slip, use through the cooperation that sets up connection piece and second bolt, it is radial not hard up to have avoided two holders to take place for thrust bearing.

Description

Thrust bearing fastening device for main shaft of ship propeller

Technical Field

The utility model relates to a marine propulsor main shaft field, in particular to thrust bearing fastener for marine propulsor main shaft.

Background

The main shaft of the ship propeller receives power generated by an engine, and inputs the power to components such as a propeller and the like which directly output thrust, so that the normal navigation of a ship is ensured.

Therefore, it is necessary to provide a thrust bearing fastening device for a main shaft of a ship propeller to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ship propeller is thrust bearing fastener for main shaft to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a thrust bearing fastening device for a main shaft of a ship propeller comprises two clamping seats, a main shaft and a bottom plate, wherein the main shaft is fixedly sleeved with two thrust bearings, the thrust bearings are installed between the inner walls of the two clamping seats in a fitting manner, the inner walls of the clamping seats are fixedly connected with a plurality of limiting blocks, and cold water channels are formed in the clamping seats;

the bottom plate is internally provided with a guide groove, a rotating rod is rotatably arranged in the guide groove, and the rotating rod is provided with two threaded parts.

Optionally, a limiting groove matched with the limiting block is formed in a joint surface, close to the inner wall of the clamping seat, of the thrust bearing, and the limiting block is clamped with the limiting groove.

Optionally, the cold water channel is arc-shaped.

Optionally, the upper side and the lower side of the interior of the holder are respectively inserted with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are respectively communicated with two ends of the cold water channel.

Optionally, first bolts are fixedly inserted into four corners of the top surface of the bottom plate, and the bottom ends of the first bolts penetrate through the inside of the bottom plate.

Optionally, the left end of the rotating rod penetrates through the left side wall of the guide groove and is fixedly provided with an adjusting disc;

and the bottom side of the clamping seat is fixedly connected with a guide block.

Optionally, a screw hole is formed in the guide block, and the screw hole is matched with the threaded part.

Optionally, the bottom of the guide block is fixedly provided with symmetrically arranged guide wheels, and the guide wheels are slidably connected with the inner bottom wall of the guide groove.

Optionally, the guide block is matched with the guide groove, and the guide block is in threaded connection with the threaded portion on the rotating rod.

Optionally, the thread directions on the two thread parts are opposite.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up the cold water passageway in the holder, transmit cold water in to the cold water passageway through the inlet tube to make the holder carry out cooling to thrust bearing, prevent that thrust bearing work from producing high temperature and leading to self to warp, prolonged thrust bearing's life.

2. The utility model discloses a rotatory adjustment disk drives two holders and removes thereby press from both sides thrust bearing fastening and fix, facilitates the use, and a plurality of stoppers on the holder inner wall and with the spacing groove joint on the thrust bearing, it is fixed for the holder to have further guaranteed the thrust bearing outer wall, avoids taking place relative slip, uses through the cooperation that sets up connection piece and second bolt, thereby it is fixed to connect two holders after will pressing from both sides tight fixed, has avoided two holders to take place radially not hard up for thrust bearing.

Drawings

Fig. 1 is a front view of the structure of the present invention.

Fig. 2 is a schematic view of the sectional structure of the holder of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the bottom plate of the present invention.

Fig. 4 is a schematic view of the sectional structure of the bottom plate of the present invention.

In the figure: the water cooling device comprises a clamping seat 1, a limiting block 11, a cold water channel 12, a water inlet pipe 13, a water outlet pipe 14, a guide block 15, a screw hole 1501, a guide wheel 1502, a main shaft 2, a bottom plate 3, a guide groove 31, a rotating rod 32, a threaded portion 3201, an adjusting disc 33, a first bolt 34, a thrust bearing 4, a connecting piece 5 and a second bolt 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a thrust bearing fastening device for a main shaft of a ship propeller as shown in figures 1-4, which comprises a clamp holder 1, a main shaft 2 and a bottom plate 3, wherein the main shaft 2 is fixedly sleeved with a thrust bearing 4, the clamp holder 1 is provided with two, the thrust bearing 4 is installed between the inner walls of the two clamp holders 1 in a laminating way, the inner wall of the clamp holder 1 is fixedly connected with a plurality of limit blocks 11, the combination surface of the thrust bearing 4 close to the inner wall of the clamp holder 1 is provided with limit grooves matched with the limit blocks 11, the limit blocks 11 are clamped with the limit grooves, the outer wall of the thrust bearing 4 is further ensured to be fixed relative to the clamp holder 1 by clamping the limit blocks 11 on the inner wall of the clamp holder 1 and clamping with the limit grooves on the thrust bearing 4, the relative sliding is avoided, the connecting sheets 5 are arranged on the front and back top sides of the connection part of the two clamp holders 1, the, the connecting piece 5 is fixed with the holder 1 through a second bolt 6, and through the matching use of the connecting piece 5 and the second bolt 6, thereby connecting and fixing the two clamping seats 1 which are clamped and fixed, avoiding the radial looseness of the two clamping seats 1 relative to the thrust bearing 4, arranging a cold water channel 12 in the clamping seat 1, wherein the cold water channel 12 is arc-shaped, the upper side and the lower side in the clamping seat 1 are respectively inserted with a water inlet pipe 13 and a water outlet pipe 14, the water inlet pipe 13 and the water outlet pipe 14 are respectively communicated with the two ends of the cold water channel 12, and the water inlet pipe 13 and the water outlet pipe 14 are respectively connected with a cold water pump and a water tank on the ship, cold water is transmitted into the cold water channel 12 through the water inlet pipe 13, therefore, the clamping seat 1 cools the thrust bearing 4, the thrust bearing 4 is prevented from deforming due to high temperature generated by the work of the thrust bearing 4, the service life of the thrust bearing 4 is prolonged, and in addition, water used in the cold water channel 12 is discharged through the water outlet pipe 14;

four corners of the top surface of the bottom plate 3 are fixedly inserted with first bolts 34, the bottom ends of the first bolts 34 penetrate through the bottom plate 3, the first bolts 34 are used for fixing the device on a mounting surface of a ship, a guide groove 31 is formed in the bottom plate 3, a rotating rod 32 is rotatably installed in the guide groove 31, the left end of the rotating rod 32 penetrates through the left side wall of the guide groove 31 and is fixedly provided with an adjusting disc 33, two thread parts 3201 are arranged on the rotating rod 32, the thread directions of the two thread parts 3201 are opposite, a guide block 15 is fixedly connected to the bottom side of the clamping seat 1, a screw hole 1501 is formed in the guide block 15, the screw hole 1501 is matched with the thread part 3201, the guide block 15 is in threaded connection with the thread part 3201 on the rotating rod 32, the guide block 15 is matched with the guide groove 31, symmetrically arranged guide wheels are fixedly installed at the bottom of the guide block 15, the guide wheels 1502 are in sliding connection, thereby drive the bull stick 32 and rotate, because two screw thread portions 3201 on the bull stick 32 are each other reverse to make two guide blocks 15 be close to each other or keep away from the slip along guide slot 31, and then drive two holder 1 and be close to each other or keep away from the slip, thereby be convenient for thrust bearing 4's installation.

The utility model discloses the theory of operation:

when in use, the adjusting disc 33 is rotated forward and backward to drive the rotating rod 32 to rotate, because the two thread parts 3201 on the rotating rod 32 are opposite to each other, the two guide blocks 15 are close to or far from each other to slide along the guide groove 31, and further the two clamping seats 1 are driven to be close to or far from each other to slide, the thrust bearing 4 can be clamped and fixed by moving the two clamping seats 1, and the plurality of limit blocks 11 on the inner wall of the clamping seat 1 are clamped and connected with the limit grooves on the thrust bearing 4, so that the outer wall of the thrust bearing 4 is further ensured to be fixed relative to the clamping seat 1, the relative sliding is avoided, the two clamping seats 1 after being clamped and fixed are connected and fixed by arranging the connecting sheet 5 and the second bolt 6 for use in a matching way, the two clamping seats 1 are prevented from being loosened radially relative to the thrust bearing 4, the cold water channel 12 is arranged in the clamping seat 1, therefore, the clamping seat 1 cools the thrust bearing 4, the thrust bearing 4 is prevented from generating high temperature during working to cause self deformation, the service life of the thrust bearing 4 is prolonged, and in addition, water used in the cold water channel 12 is discharged through the water outlet pipe 14.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a marine propulsor is thrust bearing fastener for main shaft, includes holder (1), main shaft (2) and bottom plate (3), its characterized in that: the main shaft (2) is fixedly sleeved with two thrust bearings (4), the two clamping seats (1) are arranged, the thrust bearings (4) are installed between the inner walls of the two clamping seats (1) in a fitting manner, the inner walls of the clamping seats (1) are fixedly connected with a plurality of limiting blocks (11), and cold water channels (12) are formed in the clamping seats (1);

guide slot (31) have been seted up to bottom plate (3) inside, swivel bar (32) are installed to guide slot (31) internal rotation, be provided with two screw thread portion (3201) on swivel bar (32).

2. A thrust bearing securing device for a main shaft of a ship propeller according to claim 1, characterized in that:

and a limiting groove matched with the limiting block (11) is formed in a joint surface, close to the inner wall of the clamping seat (1), of the thrust bearing (4), and the limiting block (11) is clamped with the limiting groove.

3. A thrust bearing securing device for a main shaft of a ship propeller according to claim 1, characterized in that:

the cold water channel (12) is arc-shaped.

4. A thrust bearing securing device for a main shaft of a ship propeller according to claim 1, characterized in that:

the upper side and the lower side of the interior of the clamping seat (1) are respectively inserted with a water inlet pipe (13) and a water outlet pipe (14), and the water inlet pipe (13) and the water outlet pipe (14) are respectively communicated with two ends of the cold water channel (12).

5. A thrust bearing securing device for a main shaft of a ship propeller according to claim 1, characterized in that:

the top surface four corners of bottom plate (3) all fix the grafting and have first bolt (34), the inside of bottom plate (3) is run through to the bottom of first bolt (34).

6. A thrust bearing securing device for a main shaft of a ship propeller according to claim 1, characterized in that:

the left end of the rotating rod (32) penetrates through the left side wall of the guide groove (31) and is fixedly provided with an adjusting disc (33);

the bottom side of the clamping seat (1) is fixedly connected with a guide block (15).

7. A thrust bearing securing device for a main shaft of a ship propeller according to claim 6, characterized in that:

screw holes (1501) are formed in the guide block (15), and the screw holes (1501) are matched with the threaded portions (3201).

8. A thrust bearing securing device for a main shaft of a ship propeller according to claim 6, characterized in that:

the bottom of the guide block (15) is fixedly provided with guide wheels (1502) which are symmetrically arranged, and the guide wheels (1502) are connected with the inner bottom wall of the guide groove (31) in a sliding manner.

9. A thrust bearing securing device for a main shaft of a ship propeller according to claim 6, characterized in that:

the guide block (15) is matched with the guide groove (31), and the guide block (15) is in threaded connection with a threaded portion (3201) on the rotating rod (32).

10. A thrust bearing securing device for a main shaft of a ship propeller according to claim 1, characterized in that:

the thread directions on the two thread parts (3201) are opposite.