阅读说明：本技术 一种适用于高变速旋转且频繁启停工况条件的旋转接头 (Rotary joint suitable for high-speed rotation and frequent start-stop working condition ) 是由 王文明 冯涛 于 2021-08-26 设计创作，主要内容包括：本发明适用于旋转接头领域,提供了一种适用于高变速旋转且频繁启停工况条件的旋转接头,所述适用于高变速旋转且频繁启停工况条件的旋转接头包括：固定端壳体,所述固定端壳体一侧连接有通道管,所述通道管一侧连接有弯头管；旋转芯轴,设于所述固定端壳体内部,所述旋转芯轴与固定端壳体之间设有旋转连接组件；紧固组件,设于所述通道管内部。在该适用于高变速旋转且频繁启停工况条件的旋转接头使用时,将旋转芯轴置于固定端壳体和通道管内部,则此时旋转连接组件会将固定端壳体和旋转芯轴进行初步连接,随后驱动紧固组件运转,则紧固组件会将旋转芯轴与通道管相连接,以此来实现旋转芯轴的连接固定,且不会阻碍旋转芯轴的旋转。(The invention is suitable for the field of rotary joints, and provides a rotary joint suitable for working conditions of high-speed rotation and frequent start and stop, wherein the rotary joint suitable for the working conditions of high-speed rotation and frequent start and stop comprises: the device comprises a fixed end shell, a channel pipe and a bent pipe, wherein one side of the fixed end shell is connected with the channel pipe; the rotating mandrel is arranged inside the fixed end shell, and a rotating connecting assembly is arranged between the rotating mandrel and the fixed end shell; and the fastening assembly is arranged inside the channel pipe. When this be applicable to high variable speed rotation and frequently open rotary joint who stops operating mode condition uses, arrange rotatory dabber in stiff end casing and passageway intraduct, then swivelling joint subassembly this moment can carry out initial connection with stiff end casing and rotatory dabber, drive fastening components operation afterwards, then fastening components can be connected rotatory dabber and passageway pipe to this realizes that the connection of rotatory dabber is fixed, and can not obstruct the rotation of rotatory dabber.)

1. A rotary joint suitable for high speed change rotation frequently opens and stops operating mode condition, its characterized in that, rotary joint suitable for high speed change rotation frequently opens and stops operating mode condition includes:

the device comprises a fixed end shell, a channel pipe and a bent pipe, wherein one side of the fixed end shell is connected with the channel pipe;

the rotating mandrel is arranged inside the fixed end shell, and a rotating connecting assembly is arranged between the rotating mandrel and the fixed end shell;

and the fastening assembly is arranged in the channel pipe and is used for connecting the channel pipe with the rotating mandrel.

2. A rotary union adapted for use with high variable speed rotation and frequent start-stop conditions according to claim 1, wherein said rotary union assembly comprises:

the combined plate is arranged in the fixed end shell and provided with a first guide ball groove;

the mounting plate is arranged on the side part of the rotating mandrel, and a sliding groove is formed in the mounting plate;

the sliding column is arranged inside the sliding groove, and a spring is arranged between the inner wall of the sliding groove and the sliding column;

and the first universal ball shaft is arranged at one end of the sliding column, and the first universal ball shaft is matched with the first guide ball groove.

3. A rotary joint adapted for use in high speed rotation and frequent start-stop conditions as claimed in claim 2, wherein the length of the natural compression of the spring is greater than the distance between the sliding post and the inner wall of the sliding groove when the first ball guiding groove and the first universal ball shaft are engaged.

4. A rotary union adapted for use with high variable speed rotation and frequent start-stop conditions according to claim 1, wherein said fastening assembly comprises:

the connecting rods are arranged in the channel pipes, and a fixing plate is arranged between the connecting rods;

the first motor is arranged on the fixing plate, and a first rotating disc is connected to the first motor in a rotating mode;

the spliced pole is installed on the fixed plate, the mounting plate is installed to spliced pole one end, be equipped with extrusion fastening components between mounting plate and the first carousel.

5. A swivelling joint as claimed in claim 4, suitable for high range rotation and frequent start-stop conditions, wherein the compression fastening assembly comprises:

the guide sliding chute is arranged on the fastening plate, a guide sliding rod is arranged inside the guide sliding chute, and a second universal ball shaft is mounted at one end of the guide sliding rod;

the second universal ball shaft is matched with the second guide ball groove;

the limiting block is arranged on one side of the guide sliding rod and matched with the fastening plate and the first rotating disc;

the promotion post is installed stopper one side, the promotion groove has been seted up on the first carousel, the promotion post is mutually supported with the promotion groove.

6. A rotary joint suitable for high-speed rotation and frequent start-stop working condition according to claim 4, wherein the number of the extrusion fastening assemblies is not less than two, and the extrusion fastening assemblies are distributed on the fastening plate and the first rotary disc in equal angle symmetry.

7. A rotary joint suitable for high variable speed rotation and frequent start-stop working condition according to claim 5, wherein the length of the diagonal line on the section of the limiting block is larger than the distance between the guide slide bar and the first rotary plate.

Technical Field

The invention belongs to the field of rotary joints, and particularly relates to a rotary joint suitable for high-speed rotation and frequent start-stop working conditions.

Background

The rotary joint is a pipeline connecting device, and the connected pipelines can rotate relatively and can be used for conveying various media such as gas, liquid, oil and the like. The application field of the rotary joint of the closed rotary connector for conveying media in a 360-degree rotating mode almost covers various processing and manufacturing industries, such as: metallurgy, machine tools, power generation, petroleum, rubber, plastics, textile, printing and dyeing, pharmacy, cigarette, paper making, food, feed processing and the like; the rotary joint can be divided into: the hydraulic rotary joint, high-pressure rotary joint, multichannel rotary joint, high-speed rotary joint, high-temperature rotary joint, single-channel rotary joint, special rotary joint for LED, special rotary joint for excavator, and special rotary joint for machine tool.

Present rotary joint adopts the fix with screw mostly when fixed, is difficult to carry out the dismouting, and can cause the hindrance to the rotation of rotation dabber after fixed, is unfavorable for the use.

Disclosure of Invention

The embodiment of the invention aims to provide a rotary joint suitable for high-speed rotation and frequent start-stop working condition, and aims to solve the problems that most of the conventional rotary joints are fixed by screws and are difficult to disassemble and assemble, and the rotation of a rotary mandrel is possibly hindered after the conventional rotary joints are fixed, so that the conventional rotary joints are not beneficial to use.

The embodiment of the invention is realized in such a way that the rotary joint suitable for the working condition of high-speed rotation and frequent start and stop comprises:

the device comprises a fixed end shell, a channel pipe and a bent pipe, wherein one side of the fixed end shell is connected with the channel pipe;

the rotating mandrel is arranged inside the fixed end shell, and a rotating connecting assembly is arranged between the rotating mandrel and the fixed end shell;

and the fastening assembly is arranged in the channel pipe and is used for connecting the channel pipe with the rotating mandrel.

Preferably, the rotating link assembly comprises:

the combined plate is arranged in the fixed end shell and provided with a first guide ball groove;

the mounting plate is arranged on the side part of the rotating mandrel, and a sliding groove is formed in the mounting plate;

the sliding column is arranged inside the sliding groove, and a spring is arranged between the inner wall of the sliding groove and the sliding column;

and the first universal ball shaft is arranged at one end of the sliding column, and the first universal ball shaft is matched with the first guide ball groove.

Preferably, the length of the natural compression of the spring is larger than the distance between the sliding column and the inner wall of the sliding groove when the first guide ball groove and the first universal ball shaft are matched with each other.

Preferably, the fastening assembly comprises:

the connecting rods are arranged in the channel pipes, and a fixing plate is arranged between the connecting rods;

the first motor is arranged on the fixing plate, and a first rotating disc is connected to the first motor in a rotating mode;

the spliced pole is installed on the fixed plate, the mounting plate is installed to spliced pole one end, be equipped with extrusion fastening components between mounting plate and the first carousel.

Preferably, the compression fastening assembly comprises:

the guide sliding chute is arranged on the fastening plate, a guide sliding rod is arranged inside the guide sliding chute, and a second universal ball shaft is mounted at one end of the guide sliding rod;

the second universal ball shaft is matched with the second guide ball groove;

the limiting block is arranged on one side of the guide sliding rod and matched with the fastening plate and the first rotating disc;

the promotion post is installed stopper one side, the promotion groove has been seted up on the first carousel, the promotion post is mutually supported with the promotion groove.

Preferably, the number of the pressing fastening components is not less than two, and the pressing fastening components are distributed on the fastening plate and the first rotating disc in an equal angle symmetry mode.

Preferably, the length of a diagonal line on the cross section of the limiting block is greater than the distance between the guide sliding rod and the first rotating disc.

The rotary joint suitable for the working condition of high-speed rotation and frequent start and stop provided by the embodiment of the invention has the following beneficial effects:

when this be applicable to high variable speed rotation and frequently open rotary joint who stops operating mode condition uses, arrange rotatory dabber in stiff end casing and passageway intraduct, then swivelling joint subassembly this moment can carry out initial connection with stiff end casing and rotatory dabber, drive fastening components operation afterwards, then fastening components can be connected rotatory dabber and passageway pipe to this realizes that the connection of rotatory dabber is fixed, and can not obstruct the rotation of rotatory dabber.

Drawings

Fig. 1 is a schematic structural diagram of a rotary joint suitable for high-speed rotation and frequent start-stop working condition according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram 1 of a fastening assembly in a rotary joint suitable for high-speed rotation and frequent start-stop working conditions according to an embodiment of the present invention;

FIG. 3 is a diagram illustrating an operating condition of a fastening assembly in a rotary joint suitable for high-speed rotation and frequent start-stop operating conditions according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram 2 of a fastening assembly in a rotary joint suitable for high-speed rotation and frequent start-stop working conditions according to an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 at A;

fig. 6 is a partially enlarged view of fig. 1 at B.

In the drawings: 1-fixed end shell; 2-a channel tube; 3-elbow pipe; 4-rotating the mandrel; 5-rotating the connection assembly; 51-a composition board; 52-first guide ball groove; 53-mounting plate; 54-a sliding groove; 55-sliding column; 56-a spring; 57-a first universal ball axle; 6-a fastening assembly; 61-a connecting rod; 62-fixing plate; 63-a first motor; 64-a first carousel; 65-connecting column; 66-a fastening plate; 67-guide chute; 68-a guide slide bar; 69-a second cardan ball shaft; 610-a second cardan ball shaft; 611-a limiting block; 612-a push column; 613-push groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1, in the embodiment of the present invention, the rotary joint suitable for high-speed rotation and frequent start-stop operating condition includes:

the device comprises a fixed end shell 1, wherein one side of the fixed end shell 1 is connected with a channel pipe 2, and one side of the channel pipe 2 is connected with an elbow pipe 3;

the rotating mandrel 4 is arranged inside the fixed end shell 1, and a rotating connecting assembly 5 is arranged between the rotating mandrel 4 and the fixed end shell 1;

a fastening assembly 6 arranged inside the passage tube 2, the fastening assembly 6 being adapted to connect the passage tube 2 to the rotary spindle 4.

When this be applicable to high variable speed rotation and frequently open rotary joint who stops operating mode condition uses, arrange rotatory dabber 4 in stiff end casing 1 and passageway pipe 2 inside, then swivelling joint subassembly 5 can carry out initial connection with stiff end casing 1 and rotatory dabber 4 this moment, drive fastening components 6 operation afterwards, then fastening components 6 can be connected rotatory dabber 4 with passageway pipe 2 to this realizes that the connection of rotatory dabber 4 is fixed, and can not obstruct the rotation of rotatory dabber 4.

As shown in fig. 1 and 6, in the embodiment of the present invention, the rotating link assembly 5 includes:

the combined plate 51 is installed inside the fixed end shell 1, and a first guide ball groove 52 is formed in the combined plate 51;

the mounting plate 53 is arranged on the side part of the rotating mandrel 4, and a sliding groove 54 is formed in the mounting plate 53;

a sliding column 55 arranged in the sliding groove 54, and a spring 56 is arranged between the inner wall of the sliding groove 54 and the sliding column 55;

and a first universal ball shaft 57 installed at one end of the sliding column 55, wherein the first universal ball shaft 57 is matched with the first guide ball groove 52.

In the present embodiment, the spring 56 has a natural compression length greater than the distance between the sliding column 55 and the inner wall of the sliding groove 54 when the first guide ball groove 52 and the first universal ball shaft 57 are engaged with each other.

During the use, when rotatory dabber 4 is deep inside fixed end housing 1, compressible spring 56 makes inside slide column 55 gets into sliding tray 54, along with the motion of rotatory dabber 4, when first universal ball 57 moves to first guide ball groove 52 department, under the impetus of spring 56, first universal ball 57 can get into first guide ball groove 52 to this realizes preliminary fixed to rotatory dabber 4, and under the mating relation of first universal ball 57 and first guide ball groove 52, the rotation of rotatory dabber 4 can not receive the hindrance.

As shown in fig. 1 to 5, in the embodiment of the present invention, the fastening assembly 6 includes:

connecting rods 61 installed inside the passage tube 2, with a fixing plate 62 installed between the connecting rods 61;

a first motor 63 mounted on the fixing plate 62, wherein a first rotating disc 64 is rotatably connected to the first motor 63;

a connecting column 65 installed on the fixing plate 62, a fastening plate 66 installed at one end of the connecting column 65, and an extrusion fastening assembly arranged between the fastening plate 66 and the first rotating disc 64.

As shown in fig. 1 to 5, in an embodiment of the present invention, the compression fastening assembly includes:

the guide sliding groove 67 is formed in the fastening plate 66, a guide sliding rod 68 is arranged inside the guide sliding groove 67, and a second universal ball shaft 69 is mounted at one end of the guide sliding rod 68;

the second ball guide groove 610 is formed in the inner wall of the rotating mandrel 4, and the second universal ball shaft 69 is matched with the second ball guide groove 610;

a limiting block 611 installed at one side of the guide sliding rod 68, wherein the limiting block 611 is matched with the fastening plate 66 and the first rotating disc 64;

the pushing post 612 is installed on one side of the limiting block 611, a pushing groove 613 is formed in the first rotating disk 64, and the pushing post 612 and the pushing groove 613 are matched with each other.

When the guide sliding rod 68 is used, the first motor 63 is started, the first motor 62 drives the first rotating disc 64 to rotate, the pushing groove 613 controls the pushing column 612 to move, the pushing column 612 moves under the limiting action of the guide sliding groove 67 and drives the guide sliding rod 68 to slide through the limiting block 611, and the limiting block 611 is used for preventing the guide sliding rod 68 from rotating in the displacement process;

the rotation of the guide slide 68 will make the second ball-and-socket joint 68 enter the second ball-and-socket joint 610, so as to achieve the connection fixation of the rotary spindle 4, and the cooperation relationship between the second ball-and-socket joint 68 and the second ball-and-socket joint 610 will not hinder the rotation of the rotary spindle 4.

In the embodiment of the invention, the number of the compression fastening components is not less than two, and the compression fastening components are distributed on the fastening plate 66 and the first rotating disk 64 in an equal angle symmetry mode.

In the embodiment of the present invention, the length of the diagonal line of the cross section of the limiting block 611 is greater than the distance between the guide sliding rod 68 and the first rotating disk 64.

To sum up, when this be applicable to the high speed change rotatory and frequently open the rotary joint who stops the operating mode condition and use, arrange rotatory dabber 4 in stiff end casing 1 and passageway pipe 2 inside, then swivelling joint subassembly 5 can carry out initial connection with stiff end casing 1 and rotatory dabber 4 this moment, drive fastening components 6 operation afterwards, then fastening components 6 can be connected rotatory dabber 4 with passageway pipe 2 to this realizes that the connection of rotatory dabber 4 is fixed, and can not obstruct the rotation of rotatory dabber 4.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.