CN213109755U

CN213109755U - Corrosion-resistant propeller shaft

Info

Publication number: CN213109755U
Application number: CN202021130136.1U
Authority: CN
Inventors: 詹裕华; 葛家乐
Original assignee: Suzhou Yuhua Piston Pin Factory
Current assignee: Suzhou Yuhua Piston Pin Factory
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-05-04
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a corrosion-resistant propeller shaft relates to propeller shaft technical field, receives the sea water corrosion easily for solving current propeller shaft in the use, leads to the shorter problem of its life. The second shaft body is installed to the one end of first shaft body, the first shaft body includes first connector, thread head, first oil blanket groove and second oil blanket groove, the second shaft body, second connector, installation body, installation head, third oil blanket groove, fourth oil blanket groove and connecting hole, externally mounted between first connector and the second connector has the reinforcement jacket layer, the outside of first shaft body, second shaft body and reinforcement jacket layer all coats and has anticorrosive coating.

Description

Corrosion-resistant propeller shaft

Technical Field

The utility model relates to a propeller shaft technical field specifically is a corrosion-resistant propeller shaft.

Background

The propeller is a device which rotates in the air or water by means of blades and converts the rotating power of an engine into propulsive force, and can be a propeller with two or more blades connected with a hub, wherein the backward surface of each blade is a spiral surface or a surface similar to the spiral surface. Often as a propulsion mechanism for a ship. The propeller shaft is an essential connector for mounting the propeller. The propeller shaft is usually made of two materials by friction welding, and its main function is to transfer the kinetic energy of the engine to the propeller and convert it into propulsion.

However, the existing propeller shaft is easily corroded by seawater in the using process, so that the service life of the existing propeller shaft is short, the existing requirement is not met, and a corrosion-resistant propeller shaft is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant propeller shaft to the propeller shaft who proposes in solving above-mentioned background art receives the sea water corrosion easily in the use, leads to the shorter problem of its life.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corrosion-resistant propeller shaft, includes first axis body, the second axis body is installed to the one end of first axis body, the first axis body includes first connector, nipple, first oil seal groove and second oil seal groove, the second axis body, second connector, installation body, installation head, third oil seal groove, fourth oil seal groove and connecting hole, externally mounted between first connector and the second connector has the reinforcement jacket layer, the outside of first axis body, second axis body and reinforcement jacket layer all coats and has anticorrosive coating.

Preferably, the one end and the thread head fixed connection of second connector are kept away from to first connector, the inside of thread head is provided with the fixed orifices, first oil blanket groove sets up in the junction of first connector and thread head, second oil blanket groove sets up in one side of consolidating the jacket layer, first involute spline has been seted up to the outside that first connector is close to thread head one end, first connector and thread head structure as an organic whole.

Preferably, the one end and the installation body fixed connection of first connector are kept away from to the second connector, the inside of installation body sets up the keyway, the second involute spline has been seted up to the outer wall of installation body, the one end and the installation head fixed connection of second connector are kept away from to the installation body, the third oil blanket groove sets up in the opposite side of consolidating the jacket layer, the fourth oil blanket groove sets up in the junction of installation head and installation body, the connecting hole sets up in the inside between second connector, installation body and installation head, the installation body is as an organic whole with second connector and installation head structure.

Preferably, the anticorrosion coating is ZS-seawater anticorrosion paint.

Preferably, the reinforcing sleeve layer is welded to the first connecting body and the second connecting body.

Preferably, the first and second connectors are friction welded.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a holistic outside coating anticorrosive coating of propeller shaft, anticorrosive coating adopt ZS-711 sea water anticorrosive paint, have good characteristics such as green, long-term anticorrosive, wear-resisting, adhesive force are strong and convenient to use, have improved propeller shaft corrosion resistance from this greatly, can avoid the propeller shaft to receive the sea water erosion, and then have prolonged propeller shaft life.

2. The utility model discloses a friction weld connects the fixed of realizing first connector and second connector, and welding quality is high and stable, adds the reinforcement jacket layer in the outside of their junction simultaneously, has further increased the contact between first connector and the second connector, has improved the fixed strength of junction to improve the holistic structural strength of propeller shaft.

Drawings

Fig. 1 is an overall cross-sectional view of the present invention;

FIG. 2 is a partial enlarged view of region A of the present invention;

fig. 3 is a plan view of the whole of the present invention.

In the figure: 1. a first shaft body; 11. a first connecting body; 111. a first involute spline; 12. a screw head; 121. a fixing hole; 13. a first oil seal groove; 14. a second oil seal groove; 2. a second shaft body; 21. a second connector; 22. an installation body; 221. a keyway; 222. a second involute spline; 23. a mounting head; 24. a third oil seal groove; 25. a fourth oil seal groove; 26. connecting holes; 3. reinforcing the jacket layer; 4. and (4) an anticorrosive coating.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a corrosion-resistant propeller shaft, including first axis body 1, second axis body 2 is installed to the one end of first axis body 1, first axis body 1 includes first connector 11, the thread head 12, first oil blanket groove 13 and second oil blanket groove 14, second axis body 2, second connector 21, the installation body 22, installation head 23, third oil blanket groove 24, fourth oil blanket groove 25 and connecting hole 26, externally mounted between first connector 11 and the second connector 21 has reinforcement jacket layer 3, the externally mountable bearing of reinforcement jacket layer 3, guarantee the axiality of gyration, first axis body 1, second axis body 2 and the outside of reinforcement jacket layer 3 all coat have anticorrosive coating 4, improve the corrosion resistance of propeller shaft, the life of extension propeller shaft.

Further, the one end and the first 12 fixed connection of thread of second connector 21 are kept away from to first connector 11, first 12 is used for the mounting nut, lock through the installation of nut to the screw, the inside of first 12 is provided with fixed orifices 121, be used for the installation of pin, it is spacing to carry out the nut through the pin, first oil blanket groove 13 sets up in the junction of first connector 11 and first 12, second oil blanket groove 14 sets up in one side of reinforcement jacket layer 3, first connector 11 has been seted up near the outside of first 12 one ends of thread, the installation of the screw of being convenient for, the fastness of installation is improved, first connector 11 and first 12 structure as an organic whole, the wholeness is good, first oil blanket groove 13 and second oil blanket groove 14 are used for injecting the oil lubrication, reduce the wearing and tearing of the axis body, be used for the installation of oil blanket simultaneously.

Further, one end of the second connecting body 21 far away from the first connecting body 11 is fixedly connected with the mounting body 22, a key groove 221 is arranged inside the mounting body 22 and used for limiting the mounting of the clutch, the mounting firmness of the clutch is ensured, a second involute spline 222 is arranged on the outer wall of the mounting body 22, one end of the mounting body 22 far away from the second connecting body 21 is fixedly connected with the mounting head 23, a bearing can be mounted outside the mounting head 23 to ensure the rotation coaxiality, a third oil seal groove 24 is arranged on the other side of the reinforcing sleeve layer 3, a fourth oil seal groove 25 is arranged at the joint of the mounting head 23 and the mounting body 22, a connecting hole 26 is arranged inside the second connecting body 21, the mounting body 22 and the mounting head 23, the mounting body 22, the second connecting body 21 and the mounting head 23 are of an integrated structure, the integrity is good, the third oil seal groove 24 and the fourth oil seal groove 25 are used for injecting oil for lubrication and reducing the abrasion of the, and is also used for installing the oil seal.

Furthermore, the anticorrosive coating 4 is set to be ZS-711 seawater anticorrosive coating, so that the coating is good in corrosion resistance and wear resistance and is green and environment-friendly.

Further, the reinforcing sleeve layer 3 is connected with the first connecting body 11 and the second connecting body 21 in a welding mode, fixing is firm, and the overall structural strength of the propeller shaft is improved.

Further, the first connecting body 11 and the second connecting body 21 are connected in a friction welding mode, welding quality is high and stable, and connection is reliable.

The working principle is as follows: during the use, first axis body 1 and second axis body 2 realize fixedly through first connector 11 and second connector 21 friction weld, and the reinforcing jacket layer 3 is through the outside of welding suit between first connector 11 and second connector 21, can strengthen the relation between first connector 11 and the second connector 21 from this, has improved the fixed strength of junction to improve the holistic structural strength of propeller shaft. The anticorrosion coating 4 is coated on the whole outer portion of the propeller shaft, the anticorrosion coating 4 is made of ZS-711 seawater anticorrosion paint, and the propeller shaft has the advantages of being environment-friendly, long-acting, corrosion-resistant, wear-resistant, strong in adhesive force and the like, so that the corrosion resistance of the propeller shaft is greatly improved, the propeller shaft can be prevented from being corroded by seawater, and the service life of the propeller shaft is prolonged. The screw is installed in first involute spline 111 outside to at the outside nut of screw thread head 12 external mounting lock the screw, with the pin of putting into fixed orifices 121 after locking, carry out spacing through the pin to the nut, prevent that the nut from backing back. The second involute spline 222 is used for connecting with a gear engaging clutch, and a pin of the gear engaging clutch is inserted into the key groove 221 to limit the stroke of the gear engaging clutch.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A corrosion-resistant propeller shaft comprising a first shaft body (1), characterized in that: the bearing comprises a first shaft body (1), a second shaft body (2) is installed at one end of the first shaft body (1), the first shaft body (1) comprises a first connecting body (11), a threaded head (12), a first oil seal groove (13) and a second oil seal groove (14), the second shaft body (2), a second connecting body (21), an installing body (22), an installing head (23), a third oil seal groove (24), a fourth oil seal groove (25) and a connecting hole (26), a reinforcing sleeve layer (3) is installed outside the first connecting body (11) and the second connecting body (21), and an anti-corrosion coating (4) is coated outside the first shaft body (1), the second shaft body (2) and the reinforcing sleeve layer (3).

2. A corrosion resistant propeller shaft according to claim 1, wherein: one end and the screw thread head (12) fixed connection of second connector (21) are kept away from in first connector (11), the inside of screw thread head (12) is provided with fixed orifices (121), first oil blanket groove (13) set up in the junction of first connector (11) and screw thread head (12), second oil blanket groove (14) set up in one side of consolidating jacket layer (3), first involute spline (111) have been seted up to the outside that first connector (11) are close to screw thread head (12) one end, first connector (11) and screw thread head (12) structure as an organic whole.

3. A corrosion resistant propeller shaft according to claim 1, wherein: one end and the installation body (22) fixed connection of keeping away from first connector (11) are kept away from to second connector (21), the inside of installation body (22) sets up keyway (221), second involute spline (222) have been seted up to the outer wall of installation body (22), the one end and installation head (23) fixed connection of second connector (21) are kept away from to installation body (22), third oil seal groove (24) set up in the opposite side of consolidating jacket layer (3), fourth oil seal groove (25) set up in the junction of installation head (23) and installation body (22), connecting hole (26) set up in the inside between second connector (21), the installation body (22) and installation head (23), installation body (22) and second connector (21) and installation head (23) structure as an organic whole.

4. A corrosion resistant propeller shaft according to claim 1, wherein: the anticorrosion coating (4) is ZS-711 seawater anticorrosion paint.

5. A corrosion resistant propeller shaft according to claim 1, wherein: the reinforcing sleeve layer (3) is connected with the first connecting body (11) and the second connecting body (21) in a welding mode.

6. A corrosion resistant propeller shaft according to claim 1, wherein: the first connecting body (11) and the second connecting body (21) are connected by friction welding.