CN218997315U

CN218997315U - Hydraulic and electric combined rotary joint

Info

Publication number: CN218997315U
Application number: CN202223322037.5U
Authority: CN
Inventors: 贾恒茂
Original assignee: Beijing Jiaheng Huibao Technology Co ltd
Current assignee: Beijing Jiaheng Huibao Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-09
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a hydraulic and electric combined rotary joint, which comprises a shell and a core body, wherein the front end and the rear end of the shell are provided with openings, a cavity is arranged in the shell, the openings are communicated with the cavity, the core body is arranged in the cavity, one end of the core body extends to the outside, the shell and the core body are coaxially arranged, through holes are formed in the core body along the axes of the core body, a blocking cover is arranged at the upper ends of the shell and the core body, a lug is arranged at the outer side of the upper end surface of the shell, a groove matched with the lug is formed in the lower end surface of the blocking cover, an upper ring ball is arranged on the shell positioned at the inner side of the lug, a lower ring ball is arranged at the position of the lower end of the shell and symmetrical to the upper ring ball, an electric slip ring is arranged at the upper end surface of the blocking cover, and a cable is arranged in the electric slip ring.

Description

Hydraulic and electric combined rotary joint

Technical Field

The utility model relates to the field of rotary joints, in particular to a hydraulic and electric combined rotary joint.

Background

The hydraulic rotary joint is a rotary joint specially used for low-speed high-pressure multiple media and multi-channel equipment, and is used for equipment such as a rotary workbench, a hydraulic workstation, a coiling machine, a converter, a large-package rotary workbench, a hydraulic machine and a multi-channel high-pressure controller of a machining center. The hydraulic rotary joint can select the connection mode according to the working condition. Independent pipelines are arranged in the pipeline, and the pipeline can be used for selecting different working condition requirements so as to exert the greatest benefit. The rotary joint has two precise bearings inside, and has stable, durable, reliable, firm and flexible operation and small friction coefficient, so that the rotary joint can operate at high speed. In general, a hydraulic rotary joint is a device for delivering a hydraulic medium to a hydraulic actuator or the like on a rotary device.

The hydraulic rotary joint can enable the upper and lower parts of the machine body to be communicated with high-pressure hydraulic oil and direct current in the use process of the breaking and dismantling machine, and can be communicated stably and reliably when the upper part of the machine body rotates, and the hydraulic pipeline and the power supply can work stably without liquid leakage and power failure under high-frequency severe vibration and impact accompanied by breaking and dismantling operation. But the hydraulic rotary joint currently used in the breaking and dismantling machine in the market has large product volume, complex structure and unfavorable installation.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the hydraulic and electric combined rotary joint which can enable the structure to be more compact, reduce the volume and be convenient to install.

In order to solve the technical problems, the utility model provides the hydraulic and electric combined rotary joint which comprises a shell and a core body, wherein the front end and the rear end of the shell are provided with openings, a cavity is arranged in the shell, the openings are communicated with the cavity, the core body is arranged in the cavity, one end of the core body extends to the outside, the shell and the core body are coaxially arranged, through holes are formed in the core body along the axes of the core body, a blanking cover is arranged at the upper ends of the shell and the core body, a lug is arranged at the outer side of the upper end face of the shell, a groove matched with the lug is formed at the lower end face of the blanking cover, an upper ring ball is arranged on the shell and positioned at the inner side of the lug, a lower ring ball is arranged at the position symmetrical to the upper ring ball, an electric slip ring is arranged at the upper end face of the blanking cover, a cable is arranged in the electric slip ring, two ends of the cable extend to the outside, and a sealing ring is arranged between the shell and the core body.

Preferably, a plurality of fixing holes are uniformly formed in the circumference of the upper end of the core body in the shell, a plurality of screws are uniformly arranged at the upper end of the blocking cover in the circumference of the corresponding fixing holes, and the screws are connected with the fixing holes.

Preferably, the outer surface of the lower end of the shell is provided with a mounting plate, and four corners of the mounting plate are respectively provided with bolts.

Preferably, the electrical slip ring is connected with the plugging cover flange.

Preferably, grooves matched with the upper ring of balls are formed in the shell and the lower end face of the blocking cover, which are located on the inner side of the protruding block, and grooves matched with the lower ring of balls are formed in the core body, which is abutted to the lower end of the shell, and the core body is abutted to the lower end of the shell.

Preferably, the sealing ring is arranged on the core body, and a groove matched with the sealing ring is formed in the inner side surface of the shell.

Compared with the prior art, the utility model has the following beneficial effects:

1. through setting up circle ball and lower circle ball for the core can rotate relative casing, through setting up electric sliding ring, can make the cable of placing its inside motionless, prevent to twine and tie a knot, through setting up the blanking cover, can prevent dust and rainwater entering, increase the leakproofness, overall structure is compact, can reduce the volume, easy to assemble.

Drawings

FIG. 1 is a diagram of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of the structure of the present utility model;

wherein: 1. a housing; 2. a core; 3. a through hole; 4. a blanking cover; 5. a bump; 6. a ball is coiled on the upper ring; 7. a lower ring ball; 8. an electrical slip ring; 9. a cable; 10. a seal ring; 11. a fixing hole; 12. a screw; 13. a mounting plate; 14. and (5) a bolt.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-2, the utility model provides a hydraulic and electric combined rotary joint, which comprises a shell 1 and a core 2, wherein openings are formed in the front end and the rear end of the shell 1, a cavity is formed in the shell 1, the openings are communicated with the cavity, the core 2 is arranged in the cavity, one end of the core extends to the outside, the shell 1 and the core 2 are coaxially arranged, a through hole 3 is formed in the core 2 along the axis of the core 2, a blocking cover 4 is arranged at the upper ends of the shell 1 and the core 2, a protruding block 5 is arranged at the outer side of the upper end face of the shell 1, a groove matched with the protruding block 5 is formed in the lower end face of the blocking cover 4, an upper ring ball 6 is arranged on the shell 1 positioned at the inner side of the protruding block 5, a lower ring ball 7 is arranged at a position symmetrical with the upper ring ball 6 at the lower end of the shell 1, an electric slip ring 8 is arranged at the upper end of the blocking cover 4, a cable 9 is arranged in the electric slip ring 8, two ends of the cable 9 extend to the outside, and a sealing ring 10 is arranged between the shell 1 and the core 2.

Through setting up circle ball 6 and lower circle ball 7 for core 2 can rotate relative casing 1, through setting up electric sliding ring 8, can make the cable 9 of placing its inside fixed, prevent to twine and tie a knot, through setting up blanking cover 4, can prevent dust and rainwater entering, increase the leakproofness, overall structure is compact, reducible volume, easy to assemble.

As shown in fig. 1-2, this embodiment also discloses that a plurality of fixing holes 11 are uniformly formed in the circumferential direction of the upper end of the core 2 located in the housing 1, and a plurality of screws 12 are uniformly formed in the circumferential direction of the upper end of the plug 4 corresponding to the fixing holes 11, and the plurality of screws 12 are connected with the fixing holes 11.

The blanking cover 4 is fixedly connected with the core body 2 through the screw 12, so that the connection can be stable.

As shown in fig. 1-2, this embodiment also discloses that the outer surface of the lower end of the housing 1 is provided with a mounting plate 13, and four corners of the mounting plate 13 are provided with bolts 14, and the bolts 14 can be fixedly connected with a certain part of the host machine.

As shown in fig. 1, this embodiment also discloses that the electrical slip ring 8 is flanged to the blanking cover 4.

As shown in fig. 2, this embodiment further discloses that grooves matched with the upper ring ball 6 are formed on the housing 1 and the lower end surface of the plug 4, which are located inside the bump 5, and grooves matched with the lower ring ball 7 are formed on the core 2, which is abutted against the housing 1, at the lower end of the housing 1.

As shown in fig. 2, this embodiment further discloses that the sealing ring 10 is disposed on the core 2, and a groove adapted to the sealing ring 10 is formed on the inner side surface of the housing 1.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic and electric combination formula rotary joint, includes casing (1) and core (2), its characterized in that: the utility model discloses a sealing ring, including casing (1), core (2), cable (9) and sealing ring (10) are provided with casing (1), the casing (1) front and back end is provided with the opening, the inside of casing (1) is provided with the cavity, the opening is linked together with the cavity, core (2) set up in the cavity and one end extends to outside, casing (1) and core (2) coaxial setting, through-hole (3) have been seted up on its axis to core (2) inside, the upper end of casing (1) and core (2) is provided with blanking cap (4), the up end outside of casing (1) is provided with lug (5), the recess with lug (5) looks adaptation is seted up to blanking cap (4) lower terminal surface be located be provided with on lug (5) inboard casing (1) and go up circle ball (7), the up circle ball (6) symmetrical position of casing (1) lower extreme, the up end of blanking cap (4) is provided with electrical slip ring (8), be provided with cable (9) in electrical slip ring (8), cable (9) extend to between casing (1) and the outside (10).

2. A hydro-electric composite rotary joint according to claim 1, wherein: a plurality of fixing holes (11) are uniformly formed in the circumferential direction of the upper end of the core body (2) in the shell (1), a plurality of screws (12) are uniformly arranged in the circumferential direction of the upper end of the blanking cover (4) corresponding to the fixing holes (11), and the screws (12) are connected with the fixing holes (11).

3. A hydro-electric composite rotary joint according to claim 1, wherein: the shell is characterized in that a mounting plate (13) is arranged on the outer surface of the lower end of the shell (1), and bolts (14) are arranged at four corners of the mounting plate (13).

4. A hydro-electric composite rotary joint according to claim 1, wherein: the electric slip ring (8) is connected with the plugging cover (4) through a flange.

5. A hydro-electric composite rotary joint according to claim 1, wherein: grooves matched with the upper ring of balls (6) are formed in the shell (1) and the lower end face of the blanking cover (4) which are positioned on the inner side of the protruding block (5), and grooves matched with the lower ring of balls (7) are formed in the core (2) which is abutted to the lower end of the shell (1) and the shell (1).

6. A hydro-electric composite rotary joint according to claim 1, wherein: the sealing ring (10) is arranged on the core body (2), and a groove matched with the sealing ring (10) is formed in the inner side surface of the shell (1).