CN210757466U - Shaft end seal mounting tool for rotary machine - Google Patents
Shaft end seal mounting tool for rotary machine Download PDFInfo
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- CN210757466U CN210757466U CN201921544021.4U CN201921544021U CN210757466U CN 210757466 U CN210757466 U CN 210757466U CN 201921544021 U CN201921544021 U CN 201921544021U CN 210757466 U CN210757466 U CN 210757466U
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- sealing
- shaft end
- rotary machine
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Abstract
The utility model relates to a rotary machine shaft end seal installation tool, which belongs to the technical field of shaft end sealing element installation, and comprises a guide rod fixedly installed on a machine body and coaxial with a rotor, wherein a guide disc fixedly connected with a sealing element is sleeved on the guide rod in a sliding way, a jacking tool for supporting the rotor is arranged on the machine body, and at least two jacking tools are arranged; the sealing device further comprises a driving assembly arranged on the rotor and used for driving the sealing element to move along the axial direction of the rotor. The sealing element is driven by the driving assembly to continue to advance until the sealing element completely enters the sealing cavity, the guide rod and the guide disc play a role in bearing and guiding the sealing element, so that the sealing element is axially moved and radially initially positioned before entering the sealing cavity, meanwhile, the requirement on people is reduced, the installation is convenient, the sealing element is prevented from shaking to damage the sealing element, and the sealing quality is ensured; similarly, when the sealing member is disassembled, the sealing member is driven to move outwards by the driving assembly.
Description
Technical Field
The utility model relates to an axle head sealing member installation technical field, in particular to rotating machinery axle head seals mounting tool.
Background
The rotary machine consists of a rotor rotating at a high speed and a stationary machine body, and is very important and common mechanical equipment; for machines with sealing requirements, a sealing element (such as a sealing ring) needs to be arranged between a rotor and a machine body (namely a sealing cavity) where the rotor is installed. Typically, the installation or removal of the seal is a manual operation.
For large-scale machinery, the sealing piece has large volume and mass, some sealing pieces even weigh 200kg, and the sealing piece is time-consuming and labor-consuming when being purely installed manually; at present, a sealing element is hoisted to the height coaxial with the rotor by adopting a crane, and then a worker manually pushes the sealing element to the position where the rotor and the machine body need to be sealed along the axial direction of the rotor, so that the installation of the sealing element is realized.
However, the installation site of such a large machine does not necessarily have a working environment for a crane; and if the crane is adopted for installation, the sealing element can shake and easily collide with a rotor or a machine body, and the sealing element is a precise device, so that the sealing element can be damaged after collision, and the sealing quality is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotating machinery axle head seals mounting tool has the installation of the sealing member of being convenient for, guarantees sealing quality's advantage.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a shaft end seal mounting tool for a rotary machine comprises guide rods which are fixedly mounted on a machine body and coaxial with a rotor, wherein a guide disc fixedly connected with a sealing element is sleeved on each guide rod in a sliding mode, a jacking tool used for supporting the rotor is arranged on the machine body, and at least two jacking tools are arranged; the sealing device further comprises a driving assembly arranged on the rotor and used for driving the sealing element to move along the axial direction of the rotor.
When the technical scheme is implemented, the sealing element is fixed on the guide disc when the sealing element is installed, then the sealing element is pushed to the sealing cavity until the sealing element is difficult to continue to advance, the sealing element is driven by the driving assembly to continue to advance until the sealing element completely enters the sealing cavity, and in the installation process, the rotor needs to be supported by the jacking tool to prevent the rotor from inclining under the action of gravity; the guide rod and the guide disc play roles in bearing and guiding the sealing element, so that the sealing element is axially moved and radially initially positioned before entering the sealing cavity, the requirement on people is reduced, the installation is convenient, the sealing element is prevented from being damaged due to shaking, and the sealing quality is ensured; similarly, when the sealing element is detached, the sealing element is driven by the driving assembly to move outwards.
The utility model discloses further set up to: the driving assembly comprises a mounting disc, a screw rod and a driving nut, the mounting disc is slidably sleeved on the rotor, a limiting assembly used for limiting the position of the mounting disc is arranged on the rotor, at least two mounting holes are formed in the mounting disc along the axial direction, the screw rod penetrates through the mounting holes, and the driving nut is sleeved on the screw rod in a threaded manner.
Implement above-mentioned technical scheme, during the installation sealing member, drive nut contradicts near the lateral wall in seal chamber with the mounting disc, during the operation, to the rotatory drive nut of the direction that is close to the mounting disc, and then drives the screw rod and to being close to seal chamber department motion, screw rod promotion sealing member motion to promote the sealing member completely to the seal chamber in, and two screw rod motions of drive simultaneously, make the sealing member atress even, guarantee the sealing member along the coaxial motion of rotor.
The utility model discloses further set up to: the limiting assembly comprises a limiting ring and a locking nut, the limiting ring is sleeved on the rotor and abutted to the mounting disc, the locking nut is sleeved on the rotor in a threaded manner and abutted to one end of the mounting disc far away from the limiting ring, and one end of the mounting disc far away from the limiting ring is abutted to a shaft shoulder of the rotor.
According to the technical scheme, during installation, the limiting ring is sleeved on the rotor, and then the locking nut is rotated to enable the limiting ring to be tightly abutted to the installation disc, so that the purpose of fixing the position of the installation disc is achieved, the operation is simple and convenient, and the installation is convenient.
The utility model discloses further set up to: the rotor is sleeved with a protective sleeve.
Implement above-mentioned technical scheme, the setting of protective sheath plays the effect of protection sealing member, prevents that sealing member and rotor from touching, prevents on the one hand that the sealing member from damaging, and on the other hand prevents that the rotor from being by the fish tail.
The utility model discloses further set up to: the protective sheath includes horizontal segment and direction section, the direction section sets up in the one side of keeping away from sealed chamber, the direction section sets up towards the slope of rotor axis.
Implement above-mentioned technical scheme, the slope of direction section sets up, and keeps away from the one end in sealed chamber and be less end, plays the effect to the sealing member direction, and the sealing member of being convenient for cup joints on the protective sheath.
The utility model discloses further set up to: and an extension plate extending into the sealing cavity is fixedly arranged at one end of the guide disc far away from the guide rod, and the extension plate is parallel to the guide rod.
Implement above-mentioned technical scheme, when not using drive assembly, the extension plate increases the distance that the sealing member got into sealed chamber effectively, reduces the distance that drive assembly drive sealing member gos forward, improves the installation effectiveness.
The utility model discloses further set up to: the extension plate is provided with a through hole along the length direction, and a connecting bolt used for being in threaded connection with the sealing element penetrates through the through hole.
Implement above-mentioned technical scheme, through connecting bolt and sealing member fixed connection, be convenient for installation and dismantlement guarantee the stability of the position of sealing member simultaneously.
The utility model discloses further set up to: the jacking tool comprises a supporting plate, a stud, a jacking nut and a mounting seat, the mounting seat is arranged on the machine body, the stud is vertically rotated to penetrate through the mounting seat, the supporting plate is fixedly arranged at the top end of the stud, and the jacking nut is sleeved with a thread of the jacking nut and abutted against the top wall of the mounting seat.
Implement above-mentioned technical scheme, through the rotatory jacking nut of direction to being close to the mount pad, and then drive the double-screw bolt upward movement, the double-screw bolt drives backup pad upward movement, and up to contradicting with the rotor, play the purpose of supporting the rotor.
The utility model discloses further set up to: the supporting plate is an arc-shaped plate matched with the rotor.
Implement above-mentioned technical scheme, the arc and the rotor laminating increase with the area of contact of rotor, reduce the pressure that the rotor received, play the purpose of injecing the rotor position simultaneously, prevent that the rotor from rocking.
To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:
when the sealing element is installed, the guide rod and the guide disc play a role in bearing and guiding the sealing element, so that the sealing element is axially moved and radially initially positioned before entering a sealing cavity, the requirement on people is reduced, the installation is convenient, the sealing element is prevented from being damaged due to shaking, and the sealing quality is ensured;
the protective sleeve plays a role in protecting the sealing element and preventing the sealing element from touching the rotor, so that the sealing element is prevented from being damaged on one hand, and the rotor is prevented from being scratched on the other hand;
thirdly, the limiting ring is sleeved on the rotor, and then the locking nut is rotated to enable the limiting ring to be tightly abutted against the mounting disc, so that the purpose of fixing the position of the mounting disc is achieved, and the mounting disc is simple and convenient to operate and convenient to mount.
Drawings
Fig. 1 is a schematic structural view of the whole of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Reference numerals: 1. a body; 11. sealing the cavity; 12. a bracket; 13. a threaded hole; 2. a rotor; 21. assembling the sections; 22. a journal section; 23. a processing section; 3. a guide bar; 31. a guide plate; 311. an extension plate; 3111. a through hole; 3112. a connecting bolt; 312. perforating; 32. a tip portion; 4. a jacking tool; 41. a support plate; 42. a stud; 43. jacking a nut; 44. a mounting seat; 51. mounting a disc; 511. mounting holes; 512. mounting grooves; 52. a screw; 53. a drive nut; 6. a limiting component; 61. a limiting ring; 62. locking the nut; 7. a protective sleeve; 71. a horizontal segment; 72. a guide section.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a shaft end seal mounting tool for a rotary machine includes a guide rod 3 fixedly mounted on a machine body 1 and coaxial with a rotor 2, where the rotor 2 is a main shaft of a mechanical device, the rotor 2 includes an assembly section 21, a journal section 22 and a processing section 23 which are sequentially arranged, diameters of the assembly section 21, the journal section 22 and the processing section 23 are sequentially reduced, the processing section 23 includes one or more, and an end of each section is a shaft shoulder; the sealing member sets up on assembly segment 21, has seted up sealed chamber 11 on the organism 1, and assembly segment 21 is located sealed chamber 11.
As shown in fig. 1 and 2, the guide rod 3 is a round rod, a threaded hole 13 is formed right above the rotor 2 on the machine body 1, the guide rod 3 is in threaded connection with the threaded hole 13, a guide disc 31 fixedly connected with a sealing element is sleeved on the guide rod 3 in a sliding manner, a through hole 312 is formed in the guide disc 31, the diameter of the through hole 312 is matched with that of the guide rod 3, and a conical pointed end 32 is arranged at one end, far away from the machine body 1, of the guide rod 3, so that the guide disc 31 is smoothly sleeved on the guide rod 3.
As shown in fig. 1 and 2, an extension plate 311 extending into the sealed cavity 11 is fixedly arranged at one end of the guide disc 31 away from the guide rod 3, and the extension plate 311 is parallel to the guide rod 3; extension plate 311 has seted up through-hole 3111 along its length direction, wears to be equipped with in through-hole 3111 and is used for the connecting bolt 3112 with sealing member threaded connection.
As shown in fig. 1, the machine body 1 is provided with two jacking tools 4 for supporting the rotor 2, wherein the first jacking tool 4 is supported on the journal section 22, and the second jacking tool 4 is supported on the machining section 23. The jacking tool 4 comprises a supporting plate 41, a stud 42, a jacking nut 43 and a mounting seat 44, the mounting seat 44 is arranged on the machine body 1, the stud 42 vertically rotates to penetrate through the mounting seat 44, the supporting plate 41 is fixedly arranged on the top end of the stud 42, the jacking nut 43 is sleeved on the stud 42 in a threaded manner and is abutted to the top wall of the mounting seat 44, and the jacking nut 43 is a fine-thread nut. The machine body 1 is fixedly provided with a bracket 12, and the second jacking tool 4 is arranged on the bracket 12.
Through rotatory jacking nut 43 to the direction that is close to mount pad 44, and then drive double-screw bolt 42 upward movement, double-screw bolt 42 drives backup pad 41 upward movement, is contradicted until with rotor 2 to play the effect of supporting rotor 2, thereby adjust the axiality of rotor 2 and organism 1, the supporting point need avoid the area of testing vibration of rotor.
As shown in fig. 1, the supporting plate 41 is an arc-shaped plate adapted to the rotor 2, and a protective layer may be disposed between the arc-shaped plate and the rotor 2, and the protective layer may be a rubber pad or white cloth; the arc is laminated with rotor 2, increases the area of contact with rotor 2, reduces the pressure that rotor 2 received, plays the purpose of injecing 2 positions of rotor simultaneously, prevents that rotor 2 from rocking.
As shown in fig. 1 and 2, a driving assembly for driving the sealing element to move along the axial direction of the rotor 2 is arranged on the rotor 2, the driving assembly includes a mounting disc 51, a screw rod 52 and a driving nut 53, the mounting disc 51 is slidably sleeved on the processing section 23, two mounting holes 511 are axially formed in the mounting disc 51, namely, the screw rod 52 and the driving nut 53 are respectively provided with two groups, the two mounting holes 511 are located at the upper end and the lower end of the mounting disc 51, the screw rod 52 is inserted into the mounting holes 511, and the driving nut 53 is threadedly sleeved on the screw rod 52.
As shown in fig. 1 and 2, a limiting assembly 6 for limiting the position of the mounting disc 51 is arranged on the rotor 2, the limiting assembly 6 includes a limiting ring 61 and a lock nut 62, the limiting ring 61 is sleeved on the machining section 23 of the rotor 2 and abuts against the mounting disc 51, and the lock nut 62 is sleeved on the rotor 2 in a threaded manner and abuts against one end of the limiting ring 61 far away from the mounting disc 51; one end of the mounting disc 51, which is far away from the limiting ring 61, is abutted against a shaft shoulder at the processing section 23, and a thread line is turned on the processing section 23 so as to facilitate the installation of the locking nut 62. Wherein, offer the mounting groove 512 with the shaft shoulder joint of processing section 23 on the mounting disc 51, the diameter of mounting groove 512 is greater than the diameter of processing section 23, but the clearance is less, and during the installation, mounting groove 512 joint is on journal section 22 to improve stability.
When the sealing element is installed, the driving nut 53 is abutted against the side wall of the mounting disc 51 close to the sealing cavity 11, and during operation, the driving nut 53 is rotated towards the direction close to the mounting disc 51, so that the screw rod 52 is driven to move towards the sealing cavity 11, the screw rod 52 pushes the sealing element to move, the sealing element is completely pushed into the sealing cavity 11, and the two screw rods 52 are driven to move simultaneously, so that the stress of the sealing element is uniform, and the sealing element is ensured to move coaxially along the rotor 2. And when the seal is removed, the drive nut 53 is mounted on the end of the mounting plate 51 remote from the capsule 11.
In addition, as shown in fig. 1 and 2, the rotor 2 is sleeved with the protective sleeve 7, the protective sleeve 7 is sleeved on the journal section 22, the protective sleeve 7 includes a horizontal section 71 and a guiding section 72, the guiding section 72 is far away from the sealing cavity 11 relative to the horizontal section 71, and the guiding section 72 is obliquely arranged towards the central axis of the rotor 2. The protective sleeve 7 can be a rubber sleeve or a polytetrafluoroethylene sleeve; the sealing element is protected, the sealing element is prevented from touching the rotor 2, on one hand, the sealing element is prevented from being damaged, and on the other hand, the rotor is prevented from being scratched; and the guide section 72 is obliquely arranged, and one end far away from the sealing cavity 11 is a smaller end, so that the effect of guiding the sealing element is achieved, and the sealing element is conveniently sleeved on the protective sleeve 7.
The specific working process is as follows: when the sealing element is installed, the sealing element in this embodiment is dry gas sealing, the sealing element is fixed on the guide disc 31 through the connecting bolt 3112, then the sealing element is pushed to the sealing cavity 11 until the sealing element is difficult to advance continuously, and the driving nut 53 is rotated in the direction close to the installation disc 51, it should be noted that the upper and lower driving nuts 53 need to be screwed simultaneously to drive the screw rod 52 to move close to the sealing cavity 11, and the screw rod 52 pushes the sealing element to move so as to push the sealing element completely into the sealing cavity 11; during installation, it is necessary to support the rotor 2 by the jacking tool 4 to prevent the rotor 2 from tilting under the influence of gravity. The guide rod 3 and the guide disc 31 play a role in bearing and guiding the sealing element, so that the sealing element is axially moved and radially initially positioned before entering the sealing cavity 11, the requirement on people is reduced, the installation is convenient, the sealing element is prevented from being damaged due to shaking, and the sealing quality is ensured; similarly, when the sealing element is detached, the sealing element is driven by the driving assembly to move outwards.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a sealed mounting tool of rotating machinery axle head which characterized in that: the device comprises guide rods (3) which are fixedly arranged on a machine body (1) and are parallel to a rotor (2), a guide disc (31) fixedly connected with a sealing element is sleeved on the guide rods (3) in a sliding mode, jacking tools (4) used for supporting the rotor (2) are arranged on the machine body (1), and at least two jacking tools (4) are arranged; the sealing device further comprises a driving assembly arranged on the rotor (2) and used for driving the sealing element to move along the axial direction of the rotor (2).
2. A rotary machine shaft end seal installation tool as claimed in claim 1, wherein: the driving assembly comprises a mounting disc (51), a screw rod (52) and a driving nut (53), the mounting disc (51) is slidably sleeved on the rotor (2), a limiting assembly (6) used for limiting the position of the mounting disc (51) is arranged on the rotor (2), at least two mounting holes (511) are formed in the mounting disc (51) along the axial direction, the screw rod (52) penetrates through the mounting holes (511), and the driving nut (53) is sleeved on the screw rod (52) in a threaded manner.
3. A rotary machine shaft end seal installation tool as claimed in claim 2, wherein: spacing subassembly (6) include spacing ring (61) and lock nut (62), spacing ring (61) cover locate rotor (2) on and with mounting disc (51) butt, lock nut (62) thread bush locate rotor (2) on and keep away from the one end butt of mounting disc (51) with spacing ring (61), the one end that spacing ring (61) were kept away from in mounting disc (51) and the shaft shoulder butt of rotor (2).
4. A rotary machine shaft end seal installation tool as claimed in claim 1, wherein: the rotor (2) is sleeved with a protective sleeve (7).
5. A rotary machine shaft end seal installation tool as claimed in claim 4, wherein: protective sheath (7) include horizontal segment (71) and direction section (72), direction section (72) set up in the one side of keeping away from sealed chamber (11), direction section (72) set up towards rotor (2) axis slope.
6. A rotary machine shaft end seal installation tool as claimed in claim 1, wherein: and an extension plate (311) extending into the sealed cavity (11) is fixedly arranged at one end, far away from the guide rod (3), of the guide disc (31), and the extension plate (311) is parallel to the guide rod (3).
7. A rotary machine shaft end seal installation tool as claimed in claim 6, wherein: through-hole (3111) have been seted up along its length direction to extension plate (311), wear to be equipped with in through-hole (3111) and be used for with sealing member threaded connection's connecting bolt (3112).
8. A rotary machine shaft end seal installation tool as claimed in claim 1, wherein: jacking tool (4) include backup pad (41), double-screw bolt (42), jacking nut (43) and mount pad (44), mount pad (44) set up on organism (1), double-screw bolt (42) vertical rotation wears to locate on mount pad (44), backup pad (41) are fixed to be set up in the top of double-screw bolt (42), jacking nut (43) screw thread cover locate on double-screw bolt (42) and with the roof butt of mount pad (44).
9. A rotary machine shaft end seal installation tool as claimed in claim 8, wherein: the supporting plate (41) is an arc-shaped plate matched with the rotor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921544021.4U CN210757466U (en) | 2019-09-17 | 2019-09-17 | Shaft end seal mounting tool for rotary machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921544021.4U CN210757466U (en) | 2019-09-17 | 2019-09-17 | Shaft end seal mounting tool for rotary machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210757466U true CN210757466U (en) | 2020-06-16 |
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ID=71056586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921544021.4U Active CN210757466U (en) | 2019-09-17 | 2019-09-17 | Shaft end seal mounting tool for rotary machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210757466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682512A (en) * | 2020-12-01 | 2021-04-20 | 安徽工程大学 | Sealing part of high-rotating-speed high-temperature dryer |
-
2019
- 2019-09-17 CN CN201921544021.4U patent/CN210757466U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682512A (en) * | 2020-12-01 | 2021-04-20 | 安徽工程大学 | Sealing part of high-rotating-speed high-temperature dryer |
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