CN219639719U

CN219639719U - Pipeline rotary connector and air pipe connection assembly

Info

Publication number: CN219639719U
Application number: CN202320974608.9U
Authority: CN
Inventors: 张洪; 冀晓
Original assignee: Shenhua Engineering Technology Co ltd; China Shenhua Coal to Liquid Chemical Co Ltd
Current assignee: Shenhua Engineering Technology Co ltd; China Shenhua Coal to Liquid Chemical Co Ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-09-05
Anticipated expiration: 2033-04-26

Abstract

The utility model provides a pipeline rotary connector and an air pipe connecting assembly. The pipe swivel connector includes: the rotary disk is provided with a first communication hole in a penetrating way, a placement groove is formed in the circumference of the first communication hole, and a plurality of first brackets are fixed on one side of the rotary disk, which is opposite to the placement groove; the thrust bearing is arranged in the placing groove; the fixed disk is in butt joint with the thrust bearing, and a second communication hole is formed in the penetrating mode, the second communication hole is communicated with the first communication hole, and a plurality of second supports are fixed on one side, back to the rotating disk, of the fixed disk. According to the utility model, the rotating disk and the fixed disk are respectively abutted with the thrust bearing, the connection relation between the fixed disk and the rotating disk and the upper and lower fixed air pipes is simple, the assembly and the disassembly are convenient, the improvement of the working efficiency is facilitated, the transmission connection relation similar to a rolling bearing does not exist among the lower and upper fixed air pipes and the pipeline rotating connector, the rotation of the lower rotating air pipe does not affect the upper fixed air pipe, and the safe operation of equipment is ensured.

Description

Pipeline rotary connector and air pipe connection assembly

Technical Field

The utility model relates to the technical field of connection of dynamic pipelines and static pipelines, in particular to a pipeline rotary connector and an air pipe connection assembly.

Background

At present, the method is constrained and required by the national new environmental protection policy, and the treatment of environmental protection engineering is increased in the fields of various large projects such as coal, petroleum, chemical industry, municipal administration and the like. Some prior standard-reaching devices also have a further control of organic Volatile (VOC) emissions. The VOC gas emission of a general factory is more in a public engineering sewage treatment device. According to the environmental protection requirement, all open-air sewage treatment tanks are required to be capped for treatment, and then the exhaust gas of various wastewater tanks is subjected to centralized filtration treatment, so that the exhaust gas can completely meet the emission standard of a new environmental protection method. However, the capping of the sewage treatment tank is a difficult project. Particularly like a secondary sedimentation tank in the sewage treatment process. A mud scraper is arranged in the secondary sedimentation tank. The mud scraper needs to rotate continuously to clean the mud deposited at the bottom of the tank to the mud tank in time. If the waste gas of the secondary sedimentation tank is concentrated after being capped, a tank top cover which rotates along with the mud scraper is required to be installed at the top of the rotating tank, a section of rotating air pipe which rotates along with the top cover synchronously is installed at the upper end of the top cover by means of a rotating frame after the top cover is capped, the rotating air pipe is connected with a fixed air pipe supported by an upper fixed frame to form an integrated transition connecting piece, so that the rotating air pipe at the lower part can rotate relative to the fixed air pipe at the upper part to form a static upper half section and a dynamic and static combination body rotating at the lower half section.

In the prior art, the rolling bearing is utilized to realize the connection of the rotary air pipe and the fixed air pipe, the outer ring of the rolling bearing is fixed on the inner wall of the fixed air pipe, and the outer wall of the rotary air pipe is fixed on the inner ring of the rolling bearing, so that the rotary air pipe rotates relative to the fixed air pipe. However, the requirements of the assembly and disassembly processes of the rolling bearing are very strict, so that the working efficiency is low, in addition, a connection mode that the fixed air pipe and the rotary air pipe are fixedly connected with the rolling bearing is adopted, if the rolling bearing is damaged, the inner ring and the outer ring cannot smoothly rotate relatively, the rotation moment of the rotary air pipe is transmitted to the fixed air pipe, the fixed air pipe is moved, and safety accidents can be caused.

Disclosure of Invention

In view of the above, the present utility model provides a pipe rotary connector and a duct connection assembly, which can improve assembly and disassembly efficiency and prevent occurrence of safety accidents.

The pipe rotary connector provided by the utility model comprises:

the rotary disk is provided with a first communication hole in a penetrating mode, a placement groove is formed in the circumference of the first communication hole, and a plurality of first supports are fixed on one side, back to the placement groove, of the rotary disk;

a thrust bearing disposed within the placement groove;

the fixed disk is in butt joint with the thrust bearing and penetrates through the fixed disk, the second communication hole is communicated with the first communication hole, and a plurality of second supports are fixed on one side, back to the rotating disk, of the fixed disk.

Optionally, the pipe swivel connector further comprises: the first annular baffle plate and the second annular baffle plate with different diameters are respectively fixed on the rotating disc and concentrically arranged with the first communication holes, and the placing grooves are formed by encircling the first annular baffle plate and the second annular baffle plate.

Optionally, the pipe swivel connector further comprises: the positioning boss is connected with one side of the fixed disc, which faces the rotating disc, and extends into the placing groove.

Optionally, a drain hole is formed in the bottom of the placement groove in a penetrating manner.

Optionally, the pipe swivel connector further comprises: the plugging piece is detachably connected with the sewage draining hole.

Optionally, the depth of the placement groove is set to 60% -80% of the height of the thrust bearing.

Optionally, the first annular baffle and the second annular baffle are respectively welded with the rotating disk.

Optionally, the positioning boss is welded with the fixed disk.

Optionally, the first bracket is welded with the rotating disk; the second support is connected with the fixed disc in a welding mode.

The utility model also provides an air duct connecting assembly, which comprises a fixed air duct and a rotary air duct, wherein the fixed air duct is supported by a fixed frame, the rotary air duct is supported by a rotary frame, the air duct connecting assembly further comprises the pipeline rotary connector, a first bracket on a rotary disc of the pipeline rotary connector is fixedly connected with the rotary air duct, a second bracket on a fixed disc of the pipeline rotary connector is fixedly connected with the fixed frame, and the rotary air duct penetrates through a first communication hole and a second communication hole and is inserted into the fixed air duct.

Compared with the prior art, the technical scheme provided by the utility model has at least the following beneficial effects:

by adopting the pipeline rotary connector and the air pipe connecting assembly, the rotating disk and the fixed disk are respectively abutted with the thrust bearing, the connection relation between the fixed disk and the rotating disk and the upper fixed air pipe and the lower rotary air pipe is simple, the whole assembly and the disassembly are convenient, the improvement of the working efficiency is facilitated, the transmission connection relation similar to a rolling bearing does not exist among the lower rotary air pipe, the upper fixed air pipe and the pipeline rotary connector, the rotation of the lower rotary air pipe does not have any influence on the upper fixed air pipe, the safe operation of equipment is ensured, and the occurrence of safety accidents is prevented.

Drawings

FIG. 1 is an exploded view of a pipe swivel connector according to one embodiment of the utility model;

fig. 2 is a cross-sectional view of the pipe swivel connector of fig. 1.

Reference numerals:

1: a rotating disc; 2: a thrust bearing; 3: a fixed plate; 4: a first communication hole; 5: a placement groove; 6: a second communication hole; 7: a second bracket; 8: a first annular baffle; 9: a second annular baffle; 10: positioning the boss; 11: and a sewage draining hole.

Detailed Description

Embodiments of the present utility model will be further described below with reference to the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model, and are not to indicate or imply that the apparatus or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

FIG. 1 is an exploded view of a pipe swivel connector according to one embodiment of the utility model; fig. 2 is a cross-sectional view of the pipe swivel connector of fig. 1. As shown in fig. 1 and 2, the pipe rotary connector includes a rotary disk 1, a thrust bearing 2, and a stationary disk 3. The rotary disk 1 is provided with a first communication hole 4 in a penetrating way, a placement groove 5 is arranged in the circumferential direction of the first communication hole 4, and a plurality of first brackets (not shown) are fixed on one side of the rotary disk 1, which is away from the placement groove 5; the thrust bearing 2 is arranged in the placing groove 5; the fixed disc 3 is abutted with the thrust bearing 2 and is provided with a second communication hole 6 in a penetrating mode, the second communication hole 6 is communicated with the first communication hole 4, and a plurality of second brackets 7 are fixed on one side, facing away from the rotating disc 1, of the fixed disc 3.

When in use, the second bracket 7 is fixedly connected with a fixed frame supporting the upper fixed air pipe, the upper fixed air pipe is suspended above the fixed disc 3 and is arranged corresponding to the second communication hole 6, the first bracket is fixedly connected with the outer wall of the lower rotary air pipe, and the lower rotary air pipe penetrates through the first communication hole 4 and the second communication hole 6 and is inserted into the upper fixed air pipe. The rotatory tuber pipe of lower part is rotated under the drive of the revolving frame rather than fixed connection, and then drives it is connected first support with rotatory dish 1 synchronous rotation, thrust bearing 2 set up in standing groove 5 receives standing groove 5's spacing effect prevents that it from deviating excessively in the horizontal direction, and prevents that it breaks away from rotatory dish 1, thrust bearing 2 centre gripping in rotatory dish 1 with between the fixed disk 3 makes rotatory dish 1 is relative fixed disk 3 steadily rotates, and fixed disk 3 and the fixed tuber pipe on upper portion keep motionless, realize the rotatory tuber pipe of lower part is relative the steady rotation of the fixed tuber pipe on upper portion.

By adopting the pipeline rotary connector, the rotating disc 1 and the fixed disc 3 are respectively abutted with the thrust bearing 2, the connection relation between the fixed disc 3 and the rotating disc 1 and the upper fixed air pipe and the lower rotating air pipe is simple, the whole device is convenient to assemble and disassemble, the working efficiency is improved, the transmission connection relation similar to a rolling bearing does not exist among the lower rotating air pipe, the upper fixed air pipe and the pipeline rotary connector, the rotation of the lower rotating air pipe does not have any influence on the upper fixed air pipe, the safe operation of equipment is ensured, and the occurrence of safety accidents is prevented.

In this embodiment, as shown in fig. 1 and 2, the rotary disk 1 and the fixed disk 3 are made of square steel plates with a thickness of 20mm, a circular first communication hole 4 is formed in a penetrating manner in the central position of the rotary disk 1, the diameter of the first communication hole 4 is 2cm larger than that of a rotary air duct connected with the rotary disk 1, a circular second communication hole 6 is formed in a penetrating manner in the central position of the fixed disk 3, and the diameter of the second communication hole 6 is 2cm larger than that of a fixed air duct indirectly connected with the fixed disk 3. The rotary disk 1 is provided with a circular ring-shaped placing groove 5 in the circumferential direction of the first communication hole 4, the thrust bearing 2 is a 51180F standard plane spherical thrust bearing 2, the thrust bearing 2 is placed in the placing groove 5, the fixed disk 3 is abutted to the upper surface of the thrust bearing 2, and the first communication hole 4, the second communication hole 6 and a hole in the center of the thrust bearing 2 are coaxially arranged. The rotary disk 1 is opposite to one side of the placement groove 5, that is, in fig. 1, the lower surface of the rotary disk 1 is fixedly connected with a plurality of first brackets, and the first brackets are used for being connected with a rotary air pipe at the lower part or a rotary frame for fixing the rotary air pipe. The fixing plate 3 is opposite to one side of the rotating plate 1, that is, in fig. 1, four second brackets 7 are fixed on the upper surface of the fixing plate 3, and the four second brackets 7 are fixedly connected with four corners of the upper surface of the fixing plate 3, and are used for being connected with a fixing frame for supporting an upper fixing air pipe. The thrust bearing 2 is a mature prior art, and the specific structure and working principle thereof are not described herein. According to practical application, the specific shape and size of the rotating disc 1 and the fixed disc 3 can be adjusted, the sizes of the first communication hole 4 and the second communication hole 6 are adjusted along with the corresponding change of the air duct size, correspondingly, the thrust bearing 2 is selected in a specific model along with the change of the sizes of the first communication hole 4 and the second communication hole 6, and the size of the placing groove 5 is adjusted along with the change of the thrust bearing 2.

Optionally, the pipe rotary connector further comprises a first annular baffle 8 and a second annular baffle 9 with different diameters, wherein the first annular baffle 8 and the second annular baffle 9 are respectively fixed on the rotary disk 1 and concentrically arranged with the first communication hole 4, and the two annular baffles are enclosed to form the placing groove 5. With this arrangement, the manufacturing process of the placement groove 5 is simplified, which is advantageous for improving the manufacturing efficiency, and not only can prevent the outside rain, snow, frost, dew, condensed water, etc. from invading the placement groove 5, but also can prevent the grease injected into the thrust bearing 2 from overflowing.

In this embodiment, as shown in fig. 1 and fig. 2, the first annular baffle 8 and the second annular baffle 9 are closed rings, where the first annular baffle 8 is attached to the first communication hole 4, and has a thickness of 5mm and a height of 50mm, and the inner wall of the second annular baffle 9 is disposed at a distance of 85mm from the outer wall of the first annular baffle 8, and has a thickness of 20mm and a height of 50mm. The thrust bearing 2 has a height of 65mm, which is higher than the heights of the first annular baffle 8 and the second annular baffle 9, so that the rotary disk 1 and the fixed disk 3 do not interfere with each other. The first annular baffle 8, the second annular baffle 9 and the rotating disk 1 therebetween enclose the placing groove 5 together. According to practical application, the height, thickness and distance between the first annular baffle 8 and the second annular baffle 9 can be adjusted.

Optionally, the pipe rotary connector further comprises a positioning boss 10, wherein the positioning boss 10 is connected with one side of the fixed disk 3 facing the rotary disk 1, and extends into the placement groove 5. This kind of setting, with the help of the inner wall of standing groove 5 is spacing to location boss 10, and then to fixed disk 3 is spacing, prevents that equipment operation in-process fixed disk 3 receives the external stress effect to take place too big skew.

In this embodiment, as shown in fig. 2, the positioning boss 10 is configured as a closed ring, with a thickness of 20mm and a height of 20mm, and extends downward into the placement groove 5, and is fixed in the circumferential direction of the second communication hole 6, and is concentrically disposed with the second communication hole 6, and the inner wall of the positioning boss 10 is 45mm from the inner wall of the second communication hole 6. In this embodiment, as shown in fig. 2, the positioning boss 10 extends between the inner wall of the side of the placement groove 5 away from the first communication hole 4 and the thrust bearing 2, and when the fixed disc 3 is subjected to horizontal offset by an external force, the positioning boss 10 moves in the same direction and is subjected to the co-limiting action of the inner wall of the placement groove 5 and the thrust bearing 2, so that the horizontal movement of the positioning boss 10 can only be limited within the range of the placement groove 5, that is, the horizontal movement of the fixed disc 3 can only be limited within the range of the placement groove 5. According to practical application, the specific shape and size of the positioning boss 10 may be adjusted, or may be a plurality of independent positioning bosses 10 that are not closed, and are fixed on the fixed disc 3 at intervals, so as to limit the positions of the respective directions.

Optionally, a drain hole 11 is formed at the bottom of the placement groove 5. With this arrangement, when water is accumulated in the placement groove 5, the water can be discharged from the drain hole 11, so as to prevent the thrust bearing 2 from being corroded in the water for a long time.

In this embodiment, as shown in fig. 1 and 2, two drain holes 11 are symmetrically formed at the bottom of the placement groove 5. According to practical application, the number and the size of the blow-down holes 11 and the opening positions in the placement groove 5 can be adjusted.

Optionally, the pipe swivel connector further comprises a blocking member (not shown) detachably connected to the drain hole 11. By controlling the connection or disconnection of the plugging piece and the sewage draining hole 11, the timing of water draining can be manually selected.

In this embodiment, the inner wall of the drain hole 11 is provided with an internal thread, the plugging member is a bolt, when the bolt is screwed into the drain hole 11, the drain hole 11 is plugged, and when the bolt is screwed out of the drain hole 11, the drain hole 11 is released, and the accumulated water in the placing groove 5 is discharged from the drain hole 11.

Alternatively, the depth of the placement groove 5 is set to 60% -80% of the height of the thrust bearing 2. By the arrangement, the placing groove 5 can provide enough limiting effect for the thrust bearing 2, the manufacturing cost is saved, and the manufacturing efficiency is improved.

In this embodiment, the depth of the placement groove 5 is selected to be 70% of the height of the thrust bearing 2, and may be set to be 65%, 75% or the like of the height of the thrust bearing 2 according to practical application.

Optionally, the first annular baffle 8 and the second annular baffle 9 are respectively welded to the rotating disk 1. Adopt welded connection, guaranteed joint strength, and be convenient for operate, be favorable to improving manufacturing efficiency.

In this embodiment, a build-up welding process is adopted between the first annular baffle 8 and the rotating disk 1, and between the second annular baffle 9 and the rotating disk 1.

Optionally, the positioning boss 10 is welded to the fixed disk 3. Adopt welded connection, guaranteed joint strength, and be convenient for operate, be favorable to improving manufacturing efficiency.

In this embodiment, a build-up welding process is adopted between the positioning boss 10 and the fixed disk 3.

Optionally, the first bracket is welded with the rotating disk 1; the second bracket 7 is welded with the fixed disk 3. Adopt welded connection, guaranteed joint strength, and be convenient for operate, be favorable to improving manufacturing efficiency.

The utility model also provides an air duct connecting assembly, which comprises a fixed air duct and a rotary air duct, wherein the fixed air duct is supported by a fixed frame, the rotary air duct is supported by a rotary frame, the air duct connecting assembly further comprises the pipeline rotary connector in any embodiment, a first bracket on a rotary disk 1 of the pipeline rotary connector is fixedly connected with the rotary air duct, a second bracket 7 on a fixed disk 3 of the pipeline rotary connector is fixedly connected with the fixed frame, and the rotary air duct penetrates through a first communication hole 4 and a second communication hole 6 and is inserted into the fixed air duct.

By adopting the air duct connecting assembly, the rotating disc 1 and the fixed disc 3 are respectively abutted with the thrust bearing 2, the connection relation between the fixed disc 3 and the rotating disc 1 and the upper fixed air duct and the lower rotating air duct is simple, the whole air duct connecting assembly is convenient to assemble and disassemble, the work efficiency is improved, the transmission connection relation similar to a rolling bearing does not exist among the lower rotating air duct, the upper fixed air duct and the pipeline rotating connector, the rotation of the lower rotating air duct does not have any influence on the upper fixed air duct, the safe operation of equipment is ensured, and the occurrence of safety accidents is prevented.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. A pipe swivel connector, comprising:

a thrust bearing disposed within the placement groove;

2. The pipe swivel connector of claim 1, further comprising:

the first annular baffle plate and the second annular baffle plate with different diameters are respectively fixed on the rotating disc and concentrically arranged with the first communication holes, and the placing grooves are formed by encircling the first annular baffle plate and the second annular baffle plate.

3. The pipe swivel connector of claim 1 or 2, further comprising:

the positioning boss is connected with one side of the fixed disc, which faces the rotating disc, and extends into the placing groove.

4. The pipe swivel connector according to claim 1 or 2, wherein:

and a drain hole is formed in the bottom of the placing groove in a penetrating manner.

5. The pipe swivel connector of claim 4, further comprising:

the plugging piece is detachably connected with the sewage draining hole.

6. The pipe swivel connector according to claim 1 or 2, wherein:

the depth of the placing groove is set to be 60% -80% of the height of the thrust bearing.

7. The pipe swivel connector of claim 2, wherein:

the first annular baffle plate and the second annular baffle plate are respectively connected with the rotating disc in a welding mode.

8. A pipe swivel connector according to claim 3, wherein:

the positioning boss is connected with the fixed disc in a welding way.

9. The pipe swivel connector according to claim 1 or 2, wherein:

the first bracket is welded with the rotating disc;

the second support is connected with the fixed disc in a welding mode.

10. The utility model provides an tuber pipe connection assembly, includes fixed tuber pipe and rotatory tuber pipe, fixed tuber pipe is supported by fixed frame, rotatory tuber pipe is supported by rotatory frame, its characterized in that still includes the pipeline swivelling joint ware of any one of claims 1-9, first support on the rotary disk of pipeline swivelling joint ware with rotatory tuber pipe fixed connection, the second support on the fixed disk of pipeline swivelling joint ware with fixed frame fixed connection, rotatory tuber pipe runs through first communication hole and second communication hole and inserts fixed tuber pipe.