CN211709187U - Corrugated pipe sealing shaft sleeve detacher - Google Patents
Corrugated pipe sealing shaft sleeve detacher Download PDFInfo
- Publication number
- CN211709187U CN211709187U CN202020314498.XU CN202020314498U CN211709187U CN 211709187 U CN211709187 U CN 211709187U CN 202020314498 U CN202020314498 U CN 202020314498U CN 211709187 U CN211709187 U CN 211709187U
- Authority
- CN
- China
- Prior art keywords
- bellows
- detacher
- axle sleeve
- centrifugal pump
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a bellows seal axle sleeve detacher relates to petrochemical pump equipment frock technical field. This sealed axle sleeve detacher of bellows, including the centrifugal pump shaft, the cover is equipped with the sealed axle sleeve of bellows on the outer wall of centrifugal pump shaft, extends on the outer wall of the sealed axle sleeve of bellows to be provided with protruding piece, and runs through in the protruding piece and be provided with the bolt to the both sides of protruding piece are passed through the bolt fastening and are had arm-tie and bellows mechanical seal, run through in the arm-tie and are provided with coupling bolt, and one pot head that coupling bolt kept away from the arm-tie is equipped with runing rest. This bellows seal axle sleeve detacher, owing to adopt the original connecting bolt hole of bellows seal axle sleeve to be connected with the arm-tie, area of contact is big, and the atress is even, adopts the rotary rod to drive the roof pressure screw rod rotatory, through runing rest transmission pulling force, the pulling force stability is good, need not to borrow external instrument, reduces and dismantles intensity of labour, and is efficient, reduces spare parts such as bellows seal axle sleeve and damages the probability, reduces cost of maintenance.
Description
Technical Field
The utility model relates to a petrochemical pump equipment frock technical field specifically is a bellows seal shaft cover detacher.
Background
The bellows seal shaft sleeve is a commonly used part in petrochemical pump equipment, and when the corrugated mechanical seal is disassembled for maintenance in the existing chemical centrifugal pump, because no special bellows seal shaft sleeve disassembling tool is provided, the bellows seal shaft sleeve is usually forcibly disassembled by using manpower such as hammering and beating, the efficiency is low, the damage to the bellows seal shaft sleeve and a centrifugal pump main shaft is easily caused, and the maintenance work cannot reach the preset effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bellows seal axle sleeve detacher, when using, the pulling force stability is good, need not to borrow external instrument, reduces and dismantles intensity of labour, and is efficient, reduces spare parts such as bellows seal axle sleeve and damages the probability, has reduced cost of maintenance simultaneously.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a bellows seal axle sleeve detacher, includes the centrifugal pump shaft, the cover is equipped with bellows seal axle sleeve on the outer wall of centrifugal pump shaft, it is provided with protruding piece to extend on the outer wall of bellows seal axle sleeve, and runs through in the protruding piece and be provided with the bolt to the both sides of protruding piece are passed through the bolt fastening and are had arm-tie and bellows mechanical seal, it is provided with coupling bolt to run through in the arm-tie, coupling bolt keeps away from an pot head of arm-tie and is equipped with the runing rest, lie in the runing rest and run through on the horizontal midline and be provided with the roof pressure screw rod, the one end that centrifugal pump shaft was kept away from to the roof pressure screw rod.
In order to connect arm-tie and runing rest, conduct the utility model relates to a sealed axle sleeve puller of bellows is preferred, the coupling bolt is full thread bolt, and the both ends of coupling bolt all overlap and are equipped with the nut.
In order to make roof pressure screw rod and runing rest threaded connection, conduct the utility model relates to a sealed axle sleeve detacher of bellows is preferred, the center department of runing rest sets up threaded hole, and the screw hole is located the horizontal midline of roof pressure screw rod to screw hole and roof pressure screw rod phase-match.
In order to avoid causing the damage to the centrifugal pump shaft, conduct the utility model relates to a sealed axle sleeve detacher of bellows is preferred, set up in the roof pressure screw rod with rotary rod assorted through-hole, and the one end that the roof pressure screw rod is close to the centrifugal pump shaft is most advanced structure.
In order to realize the dismantlement to bellows seal shaft sleeve, as the utility model relates to a bellows seal shaft sleeve detacher is preferred, the most advanced and the centrifugal pump shaft of roof pressure screw rod support the pressure.
In order to promote stability, as the utility model relates to a sealed axle sleeve detacher of bellows is preferred, the inboard of arm-tie and bellows mechanical seal all laminates with the outer wall of centrifugal pump shaft.
The utility model provides a bellows seal axle sleeve detacher. The method has the following beneficial effects:
1. this bellows seal axle sleeve detacher, owing to adopt the original connecting bolt hole of bellows seal axle sleeve to be connected with the arm-tie, area of contact is big, and the atress is even, adopts the rotary rod to drive the roof pressure screw rod rotatory, through runing rest transmission pulling force, the pulling force stability is good, need not to borrow external instrument, reduces and dismantles intensity of labour, and is efficient, reduces spare parts such as bellows seal axle sleeve and damages the probability, reduces cost of maintenance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. rotating the rod; 2. jacking and pressing the screw; 3. rotating the bracket; 4. a coupling bolt; 5. pulling a plate; 6. a bolt; 7. a bellows seal bush; 8. a centrifugal pump shaft; 9. the bellows is mechanically sealed.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a sealed axle sleeve detacher of bellows, including centrifugal pump shaft 8, the cover is equipped with sealed axle sleeve 7 of bellows on centrifugal pump shaft 8's the outer wall, it is provided with protruding piece to extend on sealed axle sleeve 7's of bellows outer wall, and run through in the protruding piece and be provided with bolt 6, and the both sides of protruding piece are fixed with arm-tie 5 and bellows mechanical seal 9 through bolt 6, run through in the arm-tie 5 and be provided with coupling bolt 4, coupling bolt 4 keeps away from an pot head of arm-tie 5 and is equipped with runing rest 3, it is provided with roof pressure screw rod 2 to run through on the horizontal midline to lie in runing rest 3, roof pressure screw rod 2 keeps away from the one end of centrifugal pump shaft 8 and runs.
In this embodiment: the device overall structure is similar to and draws claw structure, during the use, owing to adopt bellows seal axle sleeve 7 original connecting bolt hole to be connected with arm-tie 5, make the device when using, area of contact is big, and the atress is even, adopts rotary rod 1 to drive the rotation of roof pressure screw rod 2, through 3 transmission pulling forces of runing rest, the pulling force stability is good, need not to borrow external instrument, reduces and dismantles intensity of labour, and is efficient, reduces spare parts such as bellows seal axle sleeve 7 and damages the probability, reduces cost of maintenance.
Specifically, the coupling bolt 4 is a full-thread bolt, and nuts are respectively sleeved at both ends of the coupling bolt 4.
In this embodiment: the coupling bolt 4 is provided with a sufficient length according to the requirement, and the rotating bracket 3 and the pulling plate 5 can be connected by the coupling bolt 4.
Specifically, a threaded hole is formed in the center of the rotating support 3, the threaded hole is located on the horizontal middle line of the jacking screw rod 2, and the threaded hole is matched with the jacking screw rod 2.
In this embodiment: the rotating support 3 is in threaded connection with the jacking screw rod 2, and the rotating support 3 can rotate in a threaded hole to extrude the centrifugal pump shaft 8.
Specifically, a through hole matched with the rotary rod 1 is formed in the jacking screw rod 2, and one end, close to the centrifugal pump shaft 8, of the jacking screw rod 2 is of a tip structure.
In this embodiment: the rotary rod 1 can reduce the labor intensity of disassembly when the jacking screw rod 2 is rotated.
Specifically, the tip of the top pressure screw 2 is pressed against the centrifugal pump shaft 8.
In this embodiment: when the jacking screw rod 2 is rotated, the jacking screw rod 2 can extrude the centrifugal pump shaft 8, and the corrugated pipe sealing shaft sleeve 7 is detached from the centrifugal pump shaft 8 by utilizing the reaction force between the jacking screw rod 2 and the centrifugal pump shaft 8.
Specifically, the inner sides of the pulling plate 5 and the mechanical seal 9 of the corrugated pipe are both attached to the outer wall of the centrifugal pump shaft 8.
In this embodiment: so that the stability of the device is improved when the device is used.
When the corrugated pipe sealing shaft sleeve is used, the pulling plate 5 is fixed on the corrugated pipe sealing shaft sleeve 7 through the bolt 6, the distance between the rotary support 3 and the pulling plate 5 is adjusted to be proper through the connecting bolt 4, the tip end of the jacking screw rod 2 is abutted against the centrifugal pump shaft 8, a user rotates the rotary rod 1 by hand, the corrugated pipe sealing shaft sleeve 7 is detached from the centrifugal pump shaft 8 by utilizing the reaction force between the jacking screw rod 2 and the centrifugal pump shaft 8, in the using process, the distances of the connecting bolts 4 between the rotary support 3 and the pulling plate 5 are required to be equal, and the jacking screw rod 2 is abutted against the central line of the centrifugal pump shaft 8, so that the eccentric tension is prevented from being generated.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a sealed axle sleeve detacher of bellows, includes centrifugal pump axle (8), its characterized in that: the centrifugal pump is characterized in that a corrugated pipe sealing shaft sleeve (7) is sleeved on the outer wall of the centrifugal pump shaft (8), a protruding block extends from the outer wall of the corrugated pipe sealing shaft sleeve (7), a bolt (6) penetrates through the protruding block, a pulling plate (5) and a corrugated pipe mechanical seal (9) are fixed to the two sides of the protruding block through the bolt (6), a connecting bolt (4) penetrates through the pulling plate (5), a rotating support (3) is sleeved at one end, far away from the pulling plate (5), of the connecting bolt (4), a jacking screw rod (2) penetrates through the rotating support (3) and is arranged on the horizontal middle line, and a rotating rod (1) penetrates through one end, far away from the centrifugal pump shaft (8), of the jacking screw rod (2).
2. A bellows seal bushing detacher as claimed in claim 1, wherein: the connecting bolt (4) is a full-thread bolt, and nuts are sleeved at two ends of the connecting bolt (4).
3. A bellows seal bushing detacher as claimed in claim 1, wherein: the center of the rotating support (3) is provided with a threaded hole, the threaded hole is positioned on the horizontal middle line of the jacking screw rod (2), and the threaded hole is matched with the jacking screw rod (2).
4. A bellows seal bushing detacher as claimed in claim 1, wherein: a through hole matched with the rotary rod (1) is formed in the jacking screw rod (2), and one end, close to the centrifugal pump shaft (8), of the jacking screw rod (2) is of a tip structure.
5. A bellows seal bushing detacher as claimed in claim 1, wherein: the tip of the jacking screw rod (2) is propped against the centrifugal pump shaft (8).
6. A bellows seal bushing detacher as claimed in claim 1, wherein: the inner sides of the pulling plate (5) and the corrugated pipe mechanical seal (9) are attached to the outer wall of the centrifugal pump shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020314498.XU CN211709187U (en) | 2020-03-14 | 2020-03-14 | Corrugated pipe sealing shaft sleeve detacher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020314498.XU CN211709187U (en) | 2020-03-14 | 2020-03-14 | Corrugated pipe sealing shaft sleeve detacher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211709187U true CN211709187U (en) | 2020-10-20 |
Family
ID=73396984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020314498.XU Expired - Fee Related CN211709187U (en) | 2020-03-14 | 2020-03-14 | Corrugated pipe sealing shaft sleeve detacher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211709187U (en) |
-
2020
- 2020-03-14 CN CN202020314498.XU patent/CN211709187U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201020 Termination date: 20210314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |