CN216260480U

CN216260480U - Rotating rack

Info

Publication number: CN216260480U
Application number: CN202122747851.0U
Authority: CN
Inventors: 虞飞
Original assignee: Changzhou Jingrui Mixing Equipment Co ltd
Current assignee: Changzhou Jingrui Mixing Equipment Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-12
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a rotary frame which comprises a frame body, an upper end cover and a lower end cover, wherein the upper end cover and the lower end cover are detachably and fixedly arranged at the top and the bottom of the frame body, one side of the frame body is provided with a rotary connecting device fixedly connected with the upper end cover, and a coupler and a shaft seal device are coaxially arranged in the frame body from top to bottom. The utility model can replace the traditional integrated frame, and is provided with the rotary connecting device, when the shaft seal device in the frame needs to be replaced, the inner part of the frame body can be opened only by disassembling the upper end cover and the frame body and rotating by taking the rotary connecting device as an axis, and the utility model has the advantages of convenient disassembly and assembly, time saving and labor saving.

Description

Rotating rack

Technical Field

The utility model relates to the technical field of stirrers, in particular to a rotating rack.

Background

The stirrer is a machine which is used in a large number of industries, and the main function of the machine is to uniformly fuse two media together, namely solid, liquid or gas, and the stirrer can be used for stirring. The stirrer mainly comprises a driving device, a frame, a coupler, a shaft seal device, a stirring shaft and an impeller, wherein the frame is used as an important component of the stirrer, the top of the frame is used for installing the driving device, the inside of the frame is used for installing the coupler and the shaft seal device, and the frame and the driving device bear the gravity of the stirring shaft and the impeller in a static state and also bear the axial and radial loads in a running state. The existing frame is mostly of an integrated structure, the shaft seal device is damaged after being used for a long time, and the whole frame and the driving device are required to be detached and separated to be replaced, so that the maintenance difficulty is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotary frame aiming at the defects in the prior art, the shaft seal device in the frame can be replaced without disassembling a driving device, and the rotary frame is time-saving, labor-saving and convenient to disassemble and assemble.

The technical scheme for realizing the aim of the utility model is as follows:

a rotary rack comprises a rack body, an upper end cover and a lower end cover, wherein the upper end cover and the lower end cover are fixedly arranged at the top and the bottom of the rack body in a detachable mode, a rotary connecting device fixedly connected with the upper end cover is arranged on one side of the rack body, and a shaft coupler and a shaft seal device are coaxially arranged inside the rack body from top to bottom.

Further, the rotating connection device comprises a connection portion integrally formed with the rack body, the connection portion is provided with a pin hole penetrating through the upper portion and the lower portion, a rotating pin fixedly connected with the upper end cover is sleeved in the pin hole, and an upper sealing cover and a lower sealing cover fixedly mounted on the connection portion are arranged at two ends of the pin hole respectively.

Furthermore, a first bearing seat is fixedly mounted at the lower end of the rotating pin, a first bearing is arranged between the first bearing seat and the rotating pin, a threaded hole is formed in the lower sealing cover, and an adjusting bolt which is abutted against the lower end of the first bearing seat is mounted in the threaded hole.

Further, a first oil seal is coaxially arranged between the rotating pin and the pin hole.

Furthermore, the inner wall of the frame body is provided with an annular mounting part, and the shaft seal device is fixedly mounted on the annular mounting part.

Further, the shaft seal device comprises a shaft sleeve, a flange and a bearing gland which are coaxially arranged outside the shaft sleeve and fixedly connected, and the flange is fixedly connected with the annular mounting part; an annular mounting space is formed between the flange and the bearing gland, and double bearings are arranged in the mounting space.

Further, second oil seals are arranged between the inner side of the bottom of the flange and the inner side of the top of the bearing gland and the shaft sleeve.

Further, a plug coaxially sleeved on the stirring shaft is fixedly installed on the lower end cover, and a sealing ring is arranged between the plug and the stirring shaft.

Further, a plurality of square through grooves are formed in the periphery of the rack body.

By adopting the technical scheme, the utility model has the following beneficial effects:

(1) according to the utility model, the upper end cover, the rack body and the lower end cover which are detachably and fixedly connected are arranged to replace the traditional integrated rack, and the rotary connecting device for connecting the upper end cover and the rack body is arranged at the same time, so that when the internal shaft seal device needs to be replaced, the interior of the rack body can be opened only by detaching the upper end cover and the rack body and rotating by taking the rotary connecting device as an axis, and the dismounting is convenient and the time and labor are saved.

(2) The rotary connecting device provided by the utility model has the advantages that the connecting part integrally formed with the rack body is arranged, the connecting strength of the rotary connecting device and the rack body is ensured, the rotary connection is realized through the pin shaft and the pin hole, the structure is simple, and the rotation is flexible.

(3) According to the utility model, the first bearing and the adjusting bolt are arranged at the bottom of the rotary connecting device, and the upper end cover and the rack body can be easily separated by rotating the adjusting bolt, and meanwhile, the separation distance between the upper end cover and the rack body can be controlled, so that the assembly and disassembly are convenient.

(4) According to the utility model, the first oil seal is arranged between the rotating pin and the pin hole, so that lubricating oil can be coated between the rotating pin and the pin hole, smooth rotation of the rotating pin and the pin hole is ensured, and meanwhile, the phenomenon that the rotation is blocked due to the entering of external dust is avoided.

(5) According to the utility model, the annular mounting part is arranged on the inner wall of the rack body, so that the shaft sealing device is convenient to mount.

(6) The shaft seal device provided by the utility model consists of the flange, the bearing gland, the shaft sleeve and the double bearings, is simple in structural design, and reduces the cost while ensuring the sealing.

(7) The shaft seal device is characterized in that a first oil seal is arranged between the shaft sleeve and the flange, and a second oil seal is arranged between the shaft sleeve and the flange.

(8) The lower end cover of the stirrer is provided with the plug which is sleeved on the stirring shaft and is provided with the sealing ring, so that slurry or other media brought up by the stirring shaft in the stirring process are prevented from entering the rack, and the normal use of the stirrer is prevented from being influenced.

(9) The rack body is also provided with a plurality of through grooves, so that the overall weight is reduced, and the material cost is saved.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the rotary joint apparatus of the present invention.

The reference numbers in the drawings are:

the bearing sealing device comprises a rack body 1, an annular mounting part 1-1, a through groove 1-2, an upper end cover 2, a lower end cover 3, a rotary connecting device 4, a connecting part 4-1, a pin hole 4-2, a rotary pin 4-3, an upper sealing cover 4-4, a lower sealing cover 4-5, a first bearing seat 4-6, a first bearing 4-7, an adjusting bolt 4-8, a first oil seal 4-9, a coupler 5, a shaft sealing device 6, a shaft sleeve 6-1, a flange 6-2, a bearing gland 6-3, a double bearing 6-4, a second oil seal 6-5, a plug 7 and a sealing ring 7-1.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

(example 1)

The rotating gantry shown in fig. 1 to 2 includes a gantry body 1, an upper end cover 2 and a lower end cover 3, wherein the upper end cover 2 and the lower end cover 3 are detachably and fixedly installed at the top and the bottom of the gantry body 1 by screws, respectively. The right side of the frame body 1 is provided with a rotary connecting device 4 fixedly connected with the upper end cover 2 through a screw, and the inside of the frame body 1 is coaxially provided with a shaft coupling 5 and a shaft sealing device 6 from top to bottom. When needing to change inside bearing seal 6, only need to unscrew the screw between upper end cover 2 and the frame body 1, with upper end cover 2 and the separation of frame body 1 to it is rotatory as the axle center to rotate connecting device 4, can expose the inside of frame body 1 completely, easy dismounting and labour saving and time saving.

Specifically, the rotary connecting device 4 comprises a connecting part 4-1 integrally formed with the rack body 1, and the integral design ensures that the rotary connecting device 4 and the rack body 1 have sufficient connecting strength. The connecting part 4-1 is provided with a pin hole 4-2 penetrating through the upper part and the lower part, a rotating pin 4-3 fixedly connected with the upper end cover 2 is sleeved in the pin hole 4-2, and an upper sealing cover 4-4 and a lower sealing cover 4-5 fixedly arranged on the connecting part 4-1 are respectively arranged at two ends of the pin hole 4-2, so that the rotating connection is realized, the structure is simple, and the rotation is flexible.

The lower end of the rotating pin 4-3 is fixedly provided with a first bearing seat 4-6, a first bearing 4-7 is arranged between the first bearing seat 4-6 and the rotating pin 4-3, a threaded hole is arranged on the lower sealing cover 4-5, and an adjusting bolt 4-8 which is abutted against the lower end of the first bearing seat 4-6 is arranged in the threaded hole. By rotating the adjusting bolts 4-8, the upper end cover 2 and the rack body 1 can be easily separated, and the separation distance between the upper end cover and the rack body can be controlled, so that the assembly and the disassembly are convenient. In order to ensure smooth rotation, a first oil seal 4-9 is coaxially arranged between the rotating pin 4-3 and the pin hole 4-2, so that the phenomenon that external dust enters to cause rotation blockage is avoided.

In order to facilitate the installation of the shaft seal device 6, an annular installation part 1-1 is further arranged on the inner wall of the frame body 1, so that the shaft seal device 6 can be installed conveniently. The shaft seal device 6 comprises a shaft sleeve 6-1, a flange 6-2 and a bearing gland 6-3, wherein the flange 6-2 and the bearing gland are coaxially arranged outside the shaft sleeve 6-1 and fixedly connected, and the flange 6-2 is fixedly connected with the annular mounting part 1-1, so that the shaft seal device 6 is fixedly connected with the frame body 1. An annular mounting space is formed between the flange 6-2 and the bearing gland 6-3, and a double bearing 6-4 coaxially mounted outside the shaft sleeve 6-1 is arranged in the mounting space, so that the shaft seal device 6 with a simple structural design is formed, and the manufacturing cost is reduced while the sealing is ensured. In order to ensure smooth rotation and avoid the phenomenon that the rotation is blocked due to the entering of external dust, second oil seals 6-5 are arranged between the inner side of the bottom of the flange 6-2 and the shaft sleeve 6-1 and between the inner side of the top of the bearing gland 6-3 and the shaft sleeve 6-1, and can be coated with lubricating oil, so that the lubricating effect is achieved.

A plug 7 coaxially sleeved on the stirring shaft is also fixedly installed on the lower end cover 3, and a sealing ring 7-1 is arranged between the plug 7 and the stirring shaft. Avoid the mud or other medium that the (mixing) shaft brought up in the stirring process to enter into the frame, influence the normal use of agitator. The peripheral surface of the frame body 1 is provided with a plurality of square through grooves 1-2, so that the overall weight is reduced, and the material cost is saved.

This embodiment can dismantle fixed connection's upper end cover 2 through the setting, frame body 1 and lower extreme cover 3 replace traditional integral type frame, set up the rotation connecting device who connects upper end cover 3 and frame body 1 simultaneously, when needs change inside bearing seal 6, only need with upper end cover 2 and frame body 1 split back, it is rotatory as the axle center to use rotation connecting device 4, can open the inside of frame body 1, utilize the adjusting bolt 4-8 control frame body 1's that rotates connecting device 4 removal, easy dismounting and labour saving and time saving.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotating gantry, comprising: comprises a frame body (1), an upper end cover (2) and a lower end cover (3) which are detachably and fixedly arranged at the top and the bottom of the frame body (1), one side of the frame body (1) is provided with a rotary connecting device (4) fixedly connected with the upper end cover (2), a shaft coupling (5) and a shaft seal device (6) are coaxially arranged in the frame body (1) from top to bottom, the rotary connecting device (4) comprises a connecting part (4-1) which is integrally formed with the frame body (1), the connecting part (4-1) is provided with a pin hole (4-2) which penetrates through the upper part and the lower part, a rotating pin (4-3) which is fixedly connected with the upper end cover (2) is sleeved in the pin hole (4-2), and an upper sealing cover (4-4) and a lower sealing cover (4-5) which are fixedly arranged on the connecting part (4-1) are respectively arranged at two ends of the pin hole (4-2).

2. A rotating gantry according to claim 1, characterized in that: the lower end of the rotating pin (4-3) is fixedly provided with a first bearing seat (4-6), a first bearing (4-7) is arranged between the first bearing seat (4-6) and the rotating pin (4-3), the lower sealing cover (4-5) is provided with a threaded hole, and an adjusting bolt (4-8) which is abutted to the lower end of the first bearing seat (4-6) is arranged in the threaded hole.

3. A rotating gantry according to claim 1, characterized in that: a first oil seal (4-9) is coaxially arranged between the rotating pin (4-3) and the pin hole (4-2).

4. A rotating gantry according to claim 1, characterized in that: the inner wall of the frame body (1) is provided with an annular mounting part (1-1), and the shaft seal device (6) is fixedly mounted on the annular mounting part (1-1).

5. A rotating gantry according to claim 4, characterized in that: the shaft seal device (6) comprises a shaft sleeve (6-1), and a flange (6-2) and a bearing gland (6-3) which are coaxially arranged outside the shaft sleeve (6-1) and fixedly connected with each other, wherein the flange (6-2) is fixedly connected with the annular mounting part (1-1); an annular mounting space is formed between the flange (6-2) and the bearing gland (6-3), and double bearings (6-4) are arranged in the mounting space.

6. A rotating gantry according to claim 5, characterized in that: and second oil seals (6-5) are arranged between the inner sides of the bottoms of the flanges (6-2) and the top of the bearing gland (6-3) and the shaft sleeve (6-1).

7. A rotating gantry according to claim 1, characterized in that: and a plug (7) is fixedly installed at the axis of the lower end cover (3), and a sealing ring (7-1) is arranged on the inner ring of the plug (7).

8. A rotating gantry according to claim 1, characterized in that: the periphery of the rack body (1) is provided with a plurality of square through grooves (1-2).