CN212407887U

CN212407887U - Novel excavator swivel joint

Info

Publication number: CN212407887U
Application number: CN202020959183.0U
Authority: CN
Inventors: 黄彦辉
Original assignee: Linyi Jinke Casting Co ltd
Current assignee: Linyi Jinke Casting Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-01-26
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a novel excavator swivel joint, including the revolving axle, the outside wall of revolving axle rotates and is connected with the revolving body, action oil duct has been seted up to the inside wall face of revolving axle, the plug screw is installed to action oil duct's inside wall face, the plug screw is filled with sealed glue with action oil duct junction, the protection shield has been installed on the top of the revolving body, the outside wall of protection shield is equipped with the apron, the apron cup joints in the outside wall of revolving axle, be equipped with four action oil ducts in the revolving axle department among this swivel joint, its symmetrical formula design and installed the plug screw in the oil duct bottom, make swivel joint when whole function, unexpected skew has been avoided, it has anticorrosive spraying layer to rotate the junction spraying simultaneously, play anticorrosive effect, it is more steady to install the sealing washer and make the rotation with the position circle, reduce the probability of wearing and.

Description

Novel excavator swivel joint

Technical Field

The utility model relates to an engineering machine tool field, specific novel excavator swivel joint that says so.

Background

Swivel joints can be divided into: single-loop swivel joint, double-loop swivel joint. The loop rotary joint can select the connection mode according to the working condition. The transmission medium inlet can freely select side or back end to enter according to working conditions. The sealing surface and the sealing ring are made of special materials, and have the advantages of abrasion resistance, long service life, corrosion resistance and no leakage. The two precision bearings are arranged in the rotary joint, the operation is stable and durable, firm and flexible, the friction coefficient is small, the rotary joint can operate at a high speed, and under the normal working state of the rotary joint, due to the special working environment, the contact connection part inside the rotary joint is easy to wear when the rotary joint is used too much, so that the joint can deviate and the wear part is easy to corrode.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel excavator swivel joint can realize turning into hot water in daily use with the heat energy make full use of that air source heat pump set produced, and heat transfer area is big, and heat exchange efficiency is high, guarantees the invariable function of the inside temperature of air source heat pump.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a novel excavator swivel joint, includes the revolving axle, the outside wall of revolving axle rotates and is connected with the solid of revolution, action oil duct has been seted up to the inside wall face of revolving axle, the plug screw is installed to action oil duct's inside wall face, the plug screw is filled with sealed glue with action oil duct junction, the protection shield has been installed on the top of the solid of revolution, the outside wall of protection shield is equipped with the apron, the apron cup joints in the outside wall of revolving axle.

Further, the inside wall face of the solid of revolution is equipped with the slot, sealing washer and position circle are installed to the inside wall face of slot.

Furthermore, the number of the movable oil ducts is four, and the positions of the movable oil ducts are symmetrical about the center of the rotating shaft.

Further, the cover plate is connected with the protective plate through a first fastener, and the protective plate is connected with the revolving body through a second fastener.

Furthermore, the outer side of the rotating shaft and the inner side of the rotating body are both sprayed with anticorrosive coatings.

The utility model has the advantages that: four action oil ducts are arranged in a rotary shaft in the rotary joint, the symmetrical design of the four action oil ducts is realized, screw plugs are arranged at the bottoms of the oil ducts, so that the rotary joint is prevented from accidental deviation when the whole rotary joint is operated, meanwhile, an anti-corrosion spraying layer is sprayed on the rotary joint, an anti-corrosion effect is achieved, a sealing ring and a positioning ring are arranged, the rotary joint is stable in rotation, the abrasion probability is reduced, and the working efficiency of the rotary joint is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Description of reference numerals: 1. the sealing device comprises a rotating shaft, 2, a rotating body, 21, a groove, 22, a sealing ring, 23, a positioning ring, 3, a moving oil channel, 4, a screw plug, 5, a sealant, 6, a protective plate, 7, a cover plate, 9, a first fastener, 10, a second fastener, 11 and an anticorrosive coating.

Detailed Description

The invention will be further described with reference to specific examples, which are intended to be illustrative only and not to limit the scope of the invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents also fall within the scope of the appended claims.

The reference figure 1 is the utility model discloses the structure schematic diagram, the utility model provides a technical scheme that its technical problem adopted is: the utility model provides a novel excavator swivel joint, including revolving axle 1, the outside wall of revolving axle 1 rotates and is connected with the solid of revolution 2, action oil duct 3 has been seted up to the inside wall of revolving axle 1, plug screw 4 is installed to action oil duct 3's inside wall, plug screw 4 is filled with sealed glue 5 with 3 junctions of action oil duct, protection shield 6 has been installed on the top of the solid of revolution 2, the outside wall of protection shield 6 is equipped with apron 7, apron 7 cup joints in the outside wall of revolving axle 1, be equipped with plug screw 4 in the bottom of action oil duct 3, plug screw 4 is filled with sealed glue in its department of screwing, can strengthen the leakproofness.

Specifically, the groove 21 is formed in the inner side wall surface of the rotator 2, the sealing ring 22 and the positioning ring 23 are installed on the inner side wall surface of the groove 21, and the sealing ring 22 and the positioning ring 23 are arranged at the groove 21, so that the rotation of the rotator 1 is more stable to avoid deviation and mechanical abrasion caused by deviation.

Specifically, the number of the movable oil ducts 3 is four, the opening positions of the movable oil ducts 3 are symmetrical about the center of the rotating shaft 1, the number of the movable oil ducts 3 is four, and in operation, the centers of gravity of the rotating shaft 1 can be adjusted by the uniform distribution of the oil ducts to be positioned at the central axis, so that the rotating shaft is stable.

Specifically, the cover plate 7 is connected with the protection plate 6 through the first fastening piece 9, the protection plate 6 is connected with the revolving body 2 through the second fastening piece 10, the fastening piece is used for connection, sudden falling in the working process can be avoided, and the connection part of the cover plate 7 and the revolving shaft 1 is coated with fastening glue, so that the cover plate 7 is prevented from falling off.

Specifically, the outer side of the rotating shaft 1 and the inner side of the rotating body 2 are both sprayed with the anticorrosive coatings 11, the rotating body 2 rotates on the outer side wall surface of the rotating shaft 1, and the anticorrosive coatings 11 are sprayed on the contact surface of the rotating shaft 1 and the rotating body 2, so that the anticorrosive effect is achieved, and the contact part is prevented from being corroded and aged too fast to cause abrasion.

The utility model discloses the during operation, the solid of revolution 2 rotates at the outside wall of revolving axle 1, because revolving axle 1 and the contact surface department spraying of the solid of revolution 2 have anticorrosive coating 11, play anticorrosive effect, avoid contact department to corrode ageing too fast and lead to wearing and tearing, action oil duct 3 is provided with four, and in operation, the focus of the adjustable revolving axle 1 of equipartition of oil duct is in axis department, and is comparatively stable.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel excavator swivel joint which characterized in that: the rotary shaft is characterized by comprising a rotary shaft, wherein the outer side wall surface of the rotary shaft is rotatably connected with a rotary body, a moving oil duct is formed in the inner side wall surface of the rotary shaft, a screw plug is installed on the inner side wall surface of the moving oil duct, sealant is filled at the joint of the screw plug and the moving oil duct, a protective plate is installed at the top end of the rotary body, a cover plate is arranged on the outer side wall surface of the protective plate, and the cover plate is sleeved on the outer side wall.

2. The novel excavator swivel joint of claim 1, wherein: the inner side wall surface of the revolving body is provided with a groove, and the inner side wall surface of the groove is provided with a sealing ring and a positioning ring.

3. The novel excavator swivel joint of claim 1, wherein: the number of the movable oil ducts is four, and the positions of the movable oil ducts are symmetrical about the center of the rotating shaft.

4. The novel excavator swivel joint of claim 1, wherein: the cover plate is connected with the protection plate through a first fastener, and the protection plate is connected with the revolving body through a second fastener.

5. The novel excavator swivel joint of claim 1, wherein: and the outer side of the rotating shaft and the inner side of the rotating body are both sprayed with anticorrosive coatings.