CN116771713A - Double-end-face mechanical sealing device for sand pump - Google Patents
Double-end-face mechanical sealing device for sand pump Download PDFInfo
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- CN116771713A CN116771713A CN202310495331.6A CN202310495331A CN116771713A CN 116771713 A CN116771713 A CN 116771713A CN 202310495331 A CN202310495331 A CN 202310495331A CN 116771713 A CN116771713 A CN 116771713A
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Abstract
本发明公开了一种砂泵用双端面机械密封装置，其技术方案要点是：包括传输管，所述传输管的内圆壁面固定套接有固定环，所述固定环的顶面和底面分别固定安装有若干个第一弹簧，所述固定环的顶面和底面分别设置有两个挤压环，所述挤压环的外圆表面固定套接有防滑环，挤压环的外圆壁面与所述传输管的内圆壁面活动套接，所述挤压环与所述第一弹簧固定安装；通过设置的传输管、固定环、第一弹簧、挤压环、防滑环、滑动槽、滑动块、安装环、第一放置环、第一密封圈、第二放置环和第二密封圈的相互配合作用下，达到对砂泵介质进出口进行密封的效果，避免密封装置出现缝隙导致砂泵传输的介质造成泄露。
The invention discloses a double-end mechanical seal device for sand pumps. The key points of the technical solution are: a transmission pipe, the inner circular wall surface of the transmission pipe is fixedly connected with a fixed ring, and the top surface and bottom surface of the fixed ring are respectively A number of first springs are fixedly installed. Two extrusion rings are respectively provided on the top and bottom surfaces of the fixed ring. The outer circumferential surface of the extrusion ring is fixedly sleeved with an anti-slip ring. The outer circumferential wall surface of the extrusion ring Movably connected with the inner circular wall of the transmission pipe, the extrusion ring is fixedly installed with the first spring; through the transmission pipe, fixed ring, first spring, extrusion ring, anti-slip ring, sliding groove, The interaction between the sliding block, the installation ring, the first placement ring, the first sealing ring, the second placement ring and the second sealing ring achieves the effect of sealing the medium inlet and outlet of the sand pump and avoids gaps in the sealing device causing sand The medium transported by the pump causes leakage.
Description
Technical Field
The invention relates to the technical field of mechanical sealing, in particular to a double-end-face mechanical sealing device for a sand pump.
Background
The sand sucking pump consists of spiral casing, impeller, protecting board, pump cover, bracket, bearing assembly, etc. the sand sucking pump is formed by coaxial pump and motor, the stirring impeller of the pump can suck out sludge deposited under water, and the motor shaft of the pump drives the wheel to rotate during operation to transfer the energy to slurry medium to form certain flow rate, and the slurry is conveyed to drive solid matter to flow.
In the prior art, since the mechanical seal of the sand pump is mostly a single-end mechanical seal, most of working elements of the mechanical seal work in a slurry environment, at this time, the working elements in the mechanical seal may wear and corrode after the sand pump works for a long time, and gaps may exist after the wear, so that a transmission medium in the sand pump may leak.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a double-end-face mechanical sealing device for a sand pump, which solves the problem that the transmission medium in the sand pump can cause leakage because the mechanical sealing of the sand pump is mostly single-end-face mechanical sealing and most of working elements of the mechanical sealing work in a slurry environment, and at the moment, the working elements in the mechanical sealing can cause abrasion and corrosion after the sand pump works for a long time and gaps can exist after the abrasion.
The technical aim of the invention is realized by the following technical scheme:
the double-end-face mechanical sealing device for the sand pump comprises a transmission pipe, wherein a fixing ring is fixedly sleeved on the inner circular wall surface of the transmission pipe, a plurality of first springs are fixedly installed on the top surface and the bottom surface of the fixing ring respectively, two extrusion rings are arranged on the top surface and the bottom surface of the fixing ring respectively, an anti-slip ring is fixedly sleeved on the outer circular surface of the extrusion ring, the outer circular wall surface of the extrusion ring is movably sleeved on the inner circular wall surface of the transmission pipe, and the extrusion rings are fixedly installed with the first springs; the sealing assembly is arranged on the inner circular wall surface of the transmission pipe and is used for sealing the inlet pipe and the outlet pipe of the sand pump, the sealing assembly comprises two sliding grooves, the two sliding grooves are formed in the inner circular wall surface of the transmission pipe, a plurality of sliding blocks are fixedly arranged on the outer circular wall surface of the extrusion ring, every two sliding blocks are a group, every group of sliding blocks are movably sleeved with the sliding grooves, the top surface and the bottom surface of the transmission pipe are respectively provided with a mounting ring, a first placing ring is movably sleeved on the inner circular wall surface of the mounting ring and is positioned above, a first sealing ring is movably sleeved on the outer circular wall surface of the first placing ring and is positioned below, a second placing ring is movably sleeved on the inner circular wall surface of the mounting ring and is movably sleeved on the outer circular wall surface of the second placing ring.
Through adopting above-mentioned technical scheme, through transmission pipe, solid fixed ring, first spring, extrusion ring, anti-slip ring, sliding tray, sliding block, collar, first placing ring, first sealing washer, second place under the mutually supporting effect of ring and second sealing washer, reach the effect of sealing sand pump medium inlet and outlet, avoid sealing device to appear the gap and lead to the medium of sand pump transmission to cause revealing.
Preferably, the top surface of collar has seted up two standing grooves, the screw hole has been seted up to the inside bottom surface of standing groove, the interior circular wall face threaded connection of screw hole has the bolt, two thread grooves have been seted up to the top surface of transmission pipe, the interior circular wall face of thread groove with the outer circular wall face threaded connection of bolt.
Through adopting above-mentioned technical scheme, through the first sealing washer word groove that sets up for the staff installs between transmission pipe and the collar, and after long-time use, the staff of also being convenient for dismantle it and change.
Preferably, the outer circular wall surface of the first placing ring is provided with a first mounting groove, the inside of the first mounting groove is movably sleeved with the first sealing ring, the outer circular wall surface of the second placing ring is provided with two second mounting grooves, and the inside of the second mounting groove is movably sleeved with the second sealing ring.
Through adopting above-mentioned technical scheme, through the second mounting groove that sets up, the staff makes first sealing washer and second sealing washer card respectively go into first mounting groove and second mounting groove in, prevents that first sealing washer and second sealing washer from first outer loop slip that places the ring and second and drop.
Preferably, two positioning columns are fixedly arranged in the sliding groove, two sliding holes are formed in the top surface of the sliding block, and the inner circular wall surface of the sliding hole is movably sleeved with the outer circular wall surface of the positioning column.
Through adopting above-mentioned technical scheme, through the reference column that sets up for it is spacing to the sliding block, prevents that the extrusion ring from causing the sliding block to drop when removing.
Preferably, the outer circular wall surface of the positioning column is provided with a plurality of mounting grooves, one end of the inside of each mounting groove is fixedly provided with a second spring, the inner circular wall surface of each mounting groove is provided with a clamping block, the clamping blocks are fixedly mounted with the second springs, the inner circular wall surface of each sliding hole is provided with a plurality of clamping grooves, and the inner circular wall surface of each clamping groove is movably sleeved with the outer circular wall surface of each clamping block.
Through adopting above-mentioned technical scheme, through the fixture block that sets up, make its fixture block slip card go into the draw-in groove when the staff removes the extrusion ring, spacing the extrusion ring, prevent that the extrusion ring from rocking in the transmission pipe.
Preferably, two moving holes are formed in the outer circular wall surface of the mounting ring, a pulling column is movably sleeved on the inner circular wall surface of the moving hole, two sliding grooves are formed in the inner circular wall surface of the moving hole, two sliding blocks are fixedly mounted on the outer circular wall surface of the pulling column, and the sliding blocks are movably sleeved with the sliding grooves.
Through adopting above-mentioned technical scheme, through the slider that sets up, when the pulling post slides in the removal hole for the slider is spacing to it, prevents that the pulling post from sliding from removing the downthehole slip.
Preferably, a fixed rod is fixedly arranged in the sliding groove, a positioning hole is formed in the outer circular wall surface of the sliding block, and the inner circular wall surface of the positioning hole is movably sleeved with the outer circular wall surface of the fixed rod.
Through adopting above-mentioned technical scheme, through the dead lever that sets up, prevent that the slider from causing when sliding in the spout to drop.
Preferably, the outer circular wall surface of the fixing rod is movably sleeved with a third spring, and the outer circular wall surface of the sliding block is fixedly installed with the third spring.
Through adopting above-mentioned technical scheme, through the third spring that sets up, when the staff slides and pulls the post for make the pulling post come and go to move and extrude spacing to the object in the installation ring after the third spring extrusion is kick-backed.
In summary, the invention has the following advantages:
through the transmission pipe, solid fixed ring, first spring, extrusion ring, anti-slip ring, sliding tray, sliding block, collar, first placing ring, first sealing washer, second placing ring and second sealing washer's mutually supporting effect down that set up, reach and import and export the effect that seals up to the sand pump medium, avoid sealing device to appear the gap and lead to the medium of sand pump transmission to cause revealing.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the squeeze ring of the present invention;
FIG. 3 is a schematic view of a first placement ring structure of the present invention;
FIG. 4 is a schematic view of the partial structure of A in FIG. 2;
FIG. 5 is a schematic view of the partial structure of B in FIG. 2;
FIG. 6 is a schematic view of the partial structure of C in FIG. 2;
fig. 7 is a partial structural schematic diagram of D in fig. 2.
Reference numerals: 1. a transmission tube; 2. a fixing ring; 3. a first spring; 4. a pressing ring; 5. a sliding block; 6. a sliding groove; 7. an anti-slip ring; 8. a mounting ring; 9. a first placement ring; 10. a first seal ring; 11. a second placement ring; 12. a second seal ring; 13. a first mounting groove; 14. a second mounting groove; 15. a placement groove; 16. a threaded hole; 17. a bolt; 18. a cross groove; 19. positioning columns; 20. a mounting groove; 21. a second spring; 22. a clamping block; 23. a sliding hole; 24. a clamping groove; 25. pulling the column; 26. a moving hole; 27. a chute; 28. a slide block; 29. positioning holes; 30. a fixed rod; 31. a third spring; 32. a thread groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, a double-end-face mechanical sealing device for a sand pump, which comprises a transmission pipe 1, the interior circular wall of transmission pipe 1 is fixed to be sleeved with a fixed ring 2, a plurality of first springs 3 are fixedly installed respectively to the top surface and the bottom surface of fixed ring 2, two extrusion rings 4 are respectively arranged on the top surface and the bottom surface of fixed ring 2, an anti-slip ring 7 is fixedly sleeved on the outer circular surface of extrusion ring 4, the outer circular wall of extrusion ring 4 is movably sleeved with the interior circular wall of transmission pipe 1, the extrusion ring 4 is fixedly installed with a first spring 3, the interior circular wall of transmission pipe 1 is provided with a sealing assembly for sealing the inlet pipe and the outlet pipe of the sand pump, and the sealing assembly comprises: the two sliding grooves 6 are respectively arranged on the inner circular wall surface of the transmission pipe 1, the outer circular wall surface of the extrusion ring 4 is fixedly provided with a plurality of sliding blocks 5, each two sliding blocks 5 are in a group, each group of sliding blocks 5 is movably sleeved with the sliding groove 6, the top surface and the bottom surface of the transmission pipe 1 are respectively provided with a mounting ring 8, the inner circular wall surface of the upper mounting ring 8 is movably sleeved with a first placing ring 9, the outer circular wall surface of the first placing ring 9 is movably sleeved with a first sealing ring 10, the inner circular wall surface of the lower mounting ring 8 is movably sleeved with a second placing ring 11, the outer circular wall surface of the second placing ring 11 is movably sleeved with a second sealing ring 12, when a worker needs to use a sand pump to perform material transmission work, the worker places the two mounting rings 8 above and below the transmission pipe 1 respectively, then rotate bolt 17 makes it pass through screw hole 16 and shifts into in thread groove 32, and then install between transfer pipe 1 and the collar 8, at this moment the staff places first placing ring 9 in collar 8, and place the second placing ring 11 in collar 8 of below, then make slider 5 remove in slide groove 6 through inwards placing ring 9 and second placing ring 11 and make extrusion ring 4 remove and make a plurality of first springs 3 extrude promptly, the staff draws pulling post 25 and makes pulling post 25 outwards remove this moment, then slider 28 slides in spout 27, and then make the rebound after the extrusion of third spring 31 remove and extrude spacing first placing ring 9 and second placing ring 11, and then reach the effect of sealing sand pump medium access, avoid sealing device to appear the gap and lead to the medium of sand pump transmission to cause revealing.
Example two
Based on the above-mentioned embodiment 1, refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6, two standing grooves 15 have been seted up to the top surface of collar 8, threaded hole 16 has been seted up to the inside bottom surface of standing groove 15, the interior wall threaded connection of threaded hole 16 has bolt 17, two thread grooves 32 have been seted up to the top surface of transmission pipe 1, the interior wall of thread groove 32 and the outer circular wall threaded connection of bolt 17, through the first sealing washer 10 word groove 18 of setting, make the staff install between transmission pipe 1 and the collar 8, after long-time use, also be convenient for the staff dismantle it, first mounting groove 13 has been seted up to the outer circular wall of first collar 9, the inside and the activity of first sealing washer 10 cup joint of first mounting groove 13, the outer circular wall of second collar 11 has been seted up two second mounting grooves 14, the inside and the activity of second sealing washer 12 cup joint, through the second mounting groove 14 of setting, the staff makes first sealing washer 10 and second sealing washer 12 card respectively go into first mounting groove 13 and second mounting groove 14, make the staff install between transmission pipe 1 and the collar 8, the collar 19 is driven by two locating blocks, the inside diameter of sliding collar 19 is realized to the sliding collar 19, the sliding collar is realized to the two locating blocks is realized to the inside the sliding collar 19, the sliding collar is made to the sliding collar is moved to the inside the locating piece is made through the two locating piece 19, the sliding collar is arranged at the inside of the locating collar 19, the sliding collar is 23, the sliding collar is 5 is equipped with the sliding collar is equipped with the sliding down, the locating piece is equipped with the two sliding collar is 5.
Example III
Based on the above embodiment 1 or 2, referring to fig. 1, 2, 5 and 7, the outer circumferential wall of the positioning column 19 is provided with a plurality of mounting slots 20, one end of the inside of the mounting slot 20 is fixedly provided with a second spring 21, the inner circumferential wall of the mounting slot 20 is provided with a clamping block 22, the clamping block 22 is fixedly mounted with the second spring 21, the inner circumferential wall of the sliding hole 23 is provided with a plurality of clamping slots 24, the inner circumferential wall of the clamping slot 24 is movably sleeved with the outer circumferential wall of the clamping block 22, through the clamping block 22, when a worker moves the extrusion ring 4, the clamping block 22 is slidably clamped into the clamping slot 24, the extrusion ring 4 is limited, the extrusion ring 4 is prevented from shaking in the transmission pipe 1, the outer circumferential wall of the mounting ring 8 is provided with two moving holes 26, the inner circumferential wall of the moving holes 26 is movably sleeved with a pulling column 25, the inner circumferential wall of the moving holes 26 is provided with two sliding grooves 27, the outer circumferential wall of the pulling column 25 is fixedly provided with two sliding blocks 28, the sliding blocks 28 are movably sleeved with the sliding grooves 27, and the sliding blocks 28 are movably sleeved with the sliding grooves 27, when the sliding column 25 slides in the moving holes 26, and the sliding ring 25 slide holes 28 slide in the moving holes 26, so that the sliding hole 25 are prevented from falling from the sliding hole 25.
Example IV
Based on the above embodiment 1, 2 or 3, referring to fig. 1, 2, 5 and 6, the fixing rod 30 is fixedly installed inside the sliding chute 27, the positioning hole 29 is formed in the outer circular wall surface of the sliding block 28, the inner circular wall surface of the positioning hole 29 is movably sleeved with the outer circular wall surface of the fixing rod 30, the sliding block 28 is prevented from falling off when sliding in the sliding chute 27 by the fixing rod 30, the outer circular wall surface of the fixing rod 30 is movably sleeved with the third spring 31, the outer circular wall surface of the sliding block 28 is fixedly installed with the third spring 31, and when the worker slides to pull the column 25, the third spring 31 is extruded to rebound, and then the pulling column 25 moves back and forth to extrude and limit an object in the mounting ring 8 by the third spring 31.
Working principle: referring to fig. 1-7, when a worker needs to use the sand pump to perform a material transferring operation through the second sealing ring 12, the worker places the two mounting rings 8 above and below the transfer tube 1 respectively, rotates the bolts 17 to rotate into the threaded grooves 32 through the threaded holes 16, installs between the transfer tube 1 and the mounting rings 8, places the first placing ring 9 in the mounting rings 8, places the second placing ring 11 in the mounting rings 8 below, moves the sliding block 5 in the sliding groove 6 by moving the first placing ring 9 and the second placing ring 11 inwards, namely, moves the pressing ring 4 to enable the plurality of first springs 3 to squeeze, and then the worker pulls the pulling column 25 to move outwards, slides the sliding block 28 in the sliding groove 27, further enables the rebound movement after the third springs 31 to squeeze and limit the first placing ring 9 and the second placing ring 11, further achieves the effect of sealing the sand pump media, and avoids leakage of the sand pump media caused by gaps of the sealing device.
Through the first sealing ring 10 word groove 18 that sets up for the staff installs between transfer line 1 and the collar 8, after long-time use, also be convenient for the staff dismantle it and change, the staff makes first sealing ring 10 and second sealing ring 12 card respectively go into in first mounting groove 13 and the second mounting groove 14, prevent that first sealing ring 10 and second sealing ring 12 from the outer loop slip of first setting up ring 9 and second setting up ring 11, through the reference column 19 that sets up, make it carry out spacing to slider 5, prevent that extrusion ring 4 causes the piece that drops when moving, make its fixture block 22 slip card go into draw-in groove 24 when the staff removes extrusion ring 4, it is spacing to extrusion ring 4 in transfer line 1, when pulling post 25 slides in moving hole 26, make slider 28 carry out spacing to it, prevent that pulling post 25 from sliding in moving hole 26 from sliding through the dead lever 30 that sets up, prevent that slider 28 from causing to drop when sliding in spout 27, when the staff slides pulling post 25, make third spring 31 make and extrude in-and make the back and press the object in the extrusion ring 8 after the extrusion ring 4 to make and rebound when the extrusion ring 8 moves
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310495331.6A CN116771713B (en) | 2023-05-05 | 2023-05-05 | Double-end-face mechanical sealing device for sand pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310495331.6A CN116771713B (en) | 2023-05-05 | 2023-05-05 | Double-end-face mechanical sealing device for sand pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116771713A true CN116771713A (en) | 2023-09-19 |
| CN116771713B CN116771713B (en) | 2025-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310495331.6A Active CN116771713B (en) | 2023-05-05 | 2023-05-05 | Double-end-face mechanical sealing device for sand pump |
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| CN (1) | CN116771713B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980040326A (en) * | 1996-11-29 | 1998-08-17 | 임광현 | Sealing device of the pump |
| CN202674320U (en) * | 2012-05-14 | 2013-01-16 | 山东双环密封科技有限公司 | Novel double mechanical seal member |
| CN213063969U (en) * | 2020-09-24 | 2021-04-27 | 广西绿比特新能源科技有限公司 | Water pump with sealing connection |
| CN213144855U (en) * | 2020-09-30 | 2021-05-07 | 宁波环洋新材料股份有限公司 | Double-end-face integrated mechanical seal of centrifugal pump |
| CN214063363U (en) * | 2020-12-29 | 2021-08-27 | 江苏凯联化工机械有限公司 | Non-metal centrifugal pump integrated mechanical sealing mechanism |
| CN216045441U (en) * | 2020-12-30 | 2022-03-15 | 天津博奥泰密封科技有限公司 | A high-sealing mechanical sealing device for preventing oil and water leakage |
| CN216923198U (en) * | 2022-03-16 | 2022-07-08 | 安徽安密机械密封有限公司 | Novel leak-proof small spring double-end-face mechanical seal |
| CN114811053A (en) * | 2022-03-18 | 2022-07-29 | 肖婷 | High-temperature-resistant mechanical sealing element |
| CN217233879U (en) * | 2022-02-21 | 2022-08-19 | 刘志刚 | Mechanical sealing device for high-temperature coal slurry pump |
| CN218408523U (en) * | 2022-10-26 | 2023-01-31 | 浙江斯必克流体科技有限公司 | Integrated mechanical sealing ring |
-
2023
- 2023-05-05 CN CN202310495331.6A patent/CN116771713B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980040326A (en) * | 1996-11-29 | 1998-08-17 | 임광현 | Sealing device of the pump |
| CN202674320U (en) * | 2012-05-14 | 2013-01-16 | 山东双环密封科技有限公司 | Novel double mechanical seal member |
| CN213063969U (en) * | 2020-09-24 | 2021-04-27 | 广西绿比特新能源科技有限公司 | Water pump with sealing connection |
| CN213144855U (en) * | 2020-09-30 | 2021-05-07 | 宁波环洋新材料股份有限公司 | Double-end-face integrated mechanical seal of centrifugal pump |
| CN214063363U (en) * | 2020-12-29 | 2021-08-27 | 江苏凯联化工机械有限公司 | Non-metal centrifugal pump integrated mechanical sealing mechanism |
| CN216045441U (en) * | 2020-12-30 | 2022-03-15 | 天津博奥泰密封科技有限公司 | A high-sealing mechanical sealing device for preventing oil and water leakage |
| CN217233879U (en) * | 2022-02-21 | 2022-08-19 | 刘志刚 | Mechanical sealing device for high-temperature coal slurry pump |
| CN216923198U (en) * | 2022-03-16 | 2022-07-08 | 安徽安密机械密封有限公司 | Novel leak-proof small spring double-end-face mechanical seal |
| CN114811053A (en) * | 2022-03-18 | 2022-07-29 | 肖婷 | High-temperature-resistant mechanical sealing element |
| CN218408523U (en) * | 2022-10-26 | 2023-01-31 | 浙江斯必克流体科技有限公司 | Integrated mechanical sealing ring |
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| Publication number | Publication date |
|---|---|
| CN116771713B (en) | 2025-12-09 |
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