CN202659901U - Precise sealing device of mechanical seal of acid pump - Google Patents
Precise sealing device of mechanical seal of acid pump Download PDFInfo
- Publication number
- CN202659901U CN202659901U CN 201220128059 CN201220128059U CN202659901U CN 202659901 U CN202659901 U CN 202659901U CN 201220128059 CN201220128059 CN 201220128059 CN 201220128059 U CN201220128059 U CN 201220128059U CN 202659901 U CN202659901 U CN 202659901U
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- ring
- moving block
- adjustment ring
- mechanical seal
- end surface
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- Expired - Fee Related
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Abstract
The utility model discloses a precise sealing device of mechanical seal of an acid pump. The precise sealing device comprises a movable ring, wherein the movable ring mainly comprises a compression block, a moving block and a locking ring, as well as a fixed sleeve and an adjusting ring, the adjusting ring and the fixed sleeve are connected by an internal thread and an external thread and are respectively matched with a rotating shaft, and the left end surface of the adjusting ring is contacted with the right end surface of the moving block. During assembling, two half sleeves of the fixed sleeve are firstly sheathed on the rotating shaft, two halves of the adjusting ring are clamped on the fixed sleeve for slightly fixing, then the adjusting ring is rotated so as to enable the left end surface of the adjusting ring and the right end surface of the moving block to be contacted and the moving block to move leftwards, thus pushing the compression block to move leftward. When the left end surface of the moving block is level to a middle scale line on the compression block, a static ring and the movable ring are contacted, and then the locking ring is locked. The device can ensure that the contact surfaces of the movable ring and the static ring are in parallel, so that the mechanical seal of the acid pump is reliable.
Description
Technical field
The sour pump in territory, relating to of the utility model producing region relates in particular to the positioning device of sour pump mechanical sealing.
Background technique
The mechanical seal of acid pump structurally seals different with integrated mechanical sealing and common dynamic and static ring separation machinery.As can be seen from Figure 2, the rotating ring of acid pump mainly is comprised of compact heap 3, moving block 4, locking ring 5, when carrying out mechanical seal between the dynamic and static ring of sour pump, moving block 4 is to left movement, thereby make compact heap 3 to left movement, when left side and the middle graduation line on the compact heap 3 of moving block 4 were mutually concordant, both contacted rotating ring and stationary ring 7, be fixed on the rotatingshaft 6 rotating ring locking ring 5 lockings this moment.Because this kind mode is to rely on manually to push moving block 4 left with hand and crowbar, be difficult to guarantee parallel between rotating ring and stationary ring 7 both surface of contact, making between the dynamic and static ring location inaccurate is that both can not close contact, therefore in the process of running up, easily causes the leakage of the concentrated sulphuric scid.Simultaneously, because compact heap 3 is selected the not strong PTFE of rigidity, very easily slide, and the coupling mechanism force of locking ring 5 is less, therefore rotating ring will move right in use for some time, causes the separation of dynamic and static ring surface of contact, causes the concentrated sulphuric scid to splash out causing the damage of personnel and equipment.
Summary of the invention
Problem to be solved in the utility model provides a kind of accurate positioning device, and parallel between the rotating ring that it can guarantee sour pump and the stationary ring surface of contact makes accurate positioning between the dynamic and static ring, makes the mechanical seal of sour pump reliable.Simultaneously, it can also be fixed reliably to rotating ring, and rotating ring can not moved to right, and makes the mechanical seal of sour pump more reliable.
The accurate positioning device of the utility model acid pump mechanical sealing, it comprises rotating ring, rotating ring mainly is comprised of compact heap, moving block, locking ring, it is characterized in that: further comprising fixed cover, adjustment ring, be connected by internal and external threads between adjustment ring and the fixed cover, fixed cover, adjustment ring all match with rotatingshaft, and the left side of adjustment ring contacts with the right side of moving block.
Wherein, fixed cover is symmetrical two halves from axis punishment, and its larger diameter place is processed with outside thread, and its small diameter place is processed with up and down bolt mounting holes symmetrically; Adjustment ring for symmetrical two halves, is processed with up and down bolt mounting holes from axis punishment symmetrically, and its endoporus is shoulder hole, is processed with internal thread on the larger aperture.
When assembling, at first the two halves of fixed cover are enclosed within on the rotatingshaft, then lock by bolt, it is fastened on the rotatingshaft; Again the two halves of adjustment ring are stuck on the fixed cover and fix a little (locking), then rotate adjustment ring, the left side of adjustment ring is contacted with the right side of moving block, make moving block to left movement, thereby promote compact heap to left movement.When the left side of moving block was mutually concordant with the middle groove on the compact heap, dynamic and static ring was locked locking ring this moment after both contact again.
Because adjustment ring is that screw thread matches with fixed cover, adjustment ring is in rotation process, adjust the impacting force of mechanical seal by the feeding of spiral, and be parallel propelling to moving block and compact heap, therefore guaranteed the parallel of rotating ring and stationary ring surface of contact, make that accurate positioning is both close contacts between the dynamic and static ring, thereby make the mechanical seal of sour pump reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model accurate positioning device.
Fig. 2 is the structural representation of the existing mechanical seal of sour pump.
Fig. 3 is the enlarged diagram at A place among Fig. 2.
Embodiment
As can be seen from Figure 1, the accurate positioning device of the utility model acid pump mechanical sealing, it comprises rotating ring, rotating ring mainly is comprised of compact heap 3, moving block 4, locking ring 5, accurate positioning device also comprises fixed cover 1, adjustment ring 2, be connected by internal and external threads between adjustment ring 2 and the fixed cover 1, fixed cover 1, adjustment ring 2 all match with rotatingshaft 6, and the left side of adjustment ring 2 contacts with the right side of moving block 4.
Wherein, fixed cover 1 is symmetrical two halves from axis punishment, and its larger diameter place is processed with outside thread, and its small diameter place is processed with up and down bolt mounting holes symmetrically; Adjustment ring 2 for symmetrical two halves, is processed with up and down bolt mounting holes from axis punishment symmetrically, and its endoporus is shoulder hole, is processed with internal thread on the larger aperture.
Fixed cover 1 adds man-hour, adds first to be slit into symmetrical two halves, carries out machining after then being glued.
Adjustment ring 2 adds man-hour, adds first to be slit into symmetrical two halves, and the copper sheet of 1mm on the pad of two halves junction carries out machining again.Copper sheet passes through glue bond with the two halves of symmetry.During adjustment ring 2 assembling, remove copper sheet, pass through like this fastening of bolt, thereby locked screw thread.
When assembling, at first the two halves of fixed cover 1 are enclosed within on the rotatingshaft 6, then lock by bolt, it is fastened on the rotatingshaft 6; Again the two halves of adjustment ring 2 are stuck on the fixed cover 1 and fix a little (locking), then rotate adjustment ring 2, the left side of adjustment ring 2 is contacted with the right side of moving block 4, make moving block 4 to left movement, thereby promote compact heap 3 to left movement.When the left side of moving block 4 was mutually concordant with the middle groove on the compact heap 3, both contacted rotating ring and stationary ring 7, lock locking ring 5 this moment again.Because adjustment ring 2 is that screw thread matches with fixed cover 1, adjustment ring 2 is in rotation process, adjust the impacting force of mechanical seal by the feeding of spiral, and are parallel propellings to moving block 4 and compact heap 3, therefore guaranteed the parallel of rotating ring and stationary ring 7 surface of contact, make that accurate positioning is both close contacts between the dynamic and static ring, thereby make the mechanical seal of sour pump reliable.This device can be finely tuned by adjustment ring 2 when mechanical seal on demand, improves the precision of adjusting, and the success rate that mechanical seal is installed is improved.This device just can be installed under the prerequisite that need not remove the pump housing, adjusts also quick.
In order to make the adjustment ring 2 can be easily to left movement, as this novel a kind of optimal way, adjustment ring 2 be Spielpassung with cooperating of rotatingshaft 6.
After complete to the sealing adjustment of dynamic and static ring, this device can be removed, also can be retained on the rotatingshaft.If be retained on the rotatingshaft, then when all adjust complete after, lock again the bolt on the adjustment ring.Keeping this device at rotatingshaft, is to have added a sleeve fixture mechanism in the back of rotating ring with respect to existing structure, plays the effect of locating fully, so it can not move to right rotating ring, makes the mechanical seal of sour pump more reliable.
This device has changed in the past the unreliable and unsettled phenomenon in location of dynamic and static ring sealing, and use condition is good, and especially the mechanical seal location of the special pump housing being changed has special effect.It reduces the damage of mechanical seal and replacement frequency greatly, has improved manufacturing efficiency, has alleviated maintenance intensity, has saved spare part and spillage of material.
Claims (3)
1. the accurate positioning device of sour pump mechanical sealing, it comprises rotating ring, rotating ring mainly is comprised of compact heap (3), moving block (4), locking ring (5), it is characterized in that: further comprising fixed cover (1), adjustment ring (2), be connected by internal and external threads between adjustment ring (2) and the fixed cover (1), fixed cover (1), adjustment ring (2) all match with rotatingshaft (6), and the left side of adjustment ring (2) contacts with the right side of moving block (4).
2. accurate positioning device according to claim 1 is characterized in that: fixed cover (1) is symmetrical two halves from axis punishment, and its larger diameter place is processed with outside thread, and its small diameter place is processed with up and down bolt mounting holes symmetrically; Adjustment ring (2) for symmetrical two halves, is processed with up and down bolt mounting holes from axis punishment symmetrically, and its endoporus is shoulder hole, is processed with internal thread on the larger aperture.
3. accurate positioning device according to claim 1, it is characterized in that: adjustment ring (2) is Spielpassung with cooperating of rotatingshaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220128059 CN202659901U (en) | 2012-03-30 | 2012-03-30 | Precise sealing device of mechanical seal of acid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220128059 CN202659901U (en) | 2012-03-30 | 2012-03-30 | Precise sealing device of mechanical seal of acid pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202659901U true CN202659901U (en) | 2013-01-09 |
Family
ID=47454810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220128059 Expired - Fee Related CN202659901U (en) | 2012-03-30 | 2012-03-30 | Precise sealing device of mechanical seal of acid pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202659901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087366A (en) * | 2022-01-19 | 2022-02-25 | 启东市乘龙密封有限公司 | General mechanical seal capable of dry grinding, bonding prevention, strong corrosion resistance and high temperature resistance |
-
2012
- 2012-03-30 CN CN 201220128059 patent/CN202659901U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087366A (en) * | 2022-01-19 | 2022-02-25 | 启东市乘龙密封有限公司 | General mechanical seal capable of dry grinding, bonding prevention, strong corrosion resistance and high temperature resistance |
| CN114087366B (en) * | 2022-01-19 | 2022-05-10 | 启东市乘龙密封有限公司 | General mechanical seal capable of dry grinding, bonding prevention, strong corrosion resistance and high temperature resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20210330 |