CN216044490U - Shaft seal structure of underwater slurry pump - Google Patents
Shaft seal structure of underwater slurry pump Download PDFInfo
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- CN216044490U CN216044490U CN202122442133.2U CN202122442133U CN216044490U CN 216044490 U CN216044490 U CN 216044490U CN 202122442133 U CN202122442133 U CN 202122442133U CN 216044490 U CN216044490 U CN 216044490U
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Abstract
The utility model discloses a shaft seal structure of an underwater slurry pump, which comprises an installation mechanism, a fixing mechanism, a shaft seal mechanism and a main mechanism, wherein a shell of the main mechanism, an installation opening arranged on the outer wall of one side of the shell, a bearing arranged on the inner wall of one side of the installation opening and a shaft lever fixed on the inner wall of the bearing are arranged on the shell of the main mechanism, the shaft seal mechanism comprises an upper protection plate, a lower protection plate hinged to the bottom of the upper protection plate, inner labyrinth grooves arranged on the inner walls of the upper protection plate and the lower protection plate and distributed at equal intervals, a cover plate welded at one end of the upper protection plate and a plug-in hole arranged on the outer wall of one side of the cover plate, and the plug-in hole and the shaft lever form a sleeve fit. According to the utility model, the insertion rod pushes the rolling ball to compress the return spring, when the insertion rod is inserted into a specified position, the contact plate can rebound, so that the rolling ball is clamped with the clamping grooves formed in the two sides of the insertion rod, thus fixation can be realized, the shaft seal mechanism and the shell can be fixedly connected conveniently, the installation effect is not influenced, the installation difficulty can be simplified, the working efficiency is improved, and the replacement can be facilitated.
Description
Technical Field
The utility model relates to the field of slurry pumps, in particular to a shaft seal structure of an underwater slurry pump.
Background
At present, a slurry pump is a centrifugal pump which is developed in recent years due to larger material transportation particles and has higher efficiency and stronger performance; in the concept, the slurry pump is a device which increases the energy of a solid-liquid mixed medium by the action of centrifugal force and converts electric energy into kinetic energy and potential energy of the medium, when the underwater pump works, the whole pump is submerged under water, the significance is small for the slurry pump regardless of the traditional filling seal or the mechanical seal without leakage flow, particularly the mechanical seal can be used for the non-leakage flow, but the cost for the underwater pump is high, the mechanical seal is not easy to discover when being damaged, the two seals need to consume a large amount of clean shaft sealing water, and the common underwater slurry pump is short of clean water in the working place;
the retrieved (202020394221.2) shaft seal structure of the bearing body of the slurry pump comprises a casing, wherein a bearing is fixedly embedded in the middle of the left side of the casing, a shaft lever is fixedly connected with a middle shaft of the bearing in a penetrating way, and an inner end enclosure is butted on the left side of the middle shaft of the bearing; the outer side wall of the inner sealing head is fixedly connected with a plurality of convex ring rings which are distributed at equal intervals in an integrated mode, and a rubber sealing ring plug is arranged between the shaft rod and the inner sealing head in a sealing and inserting mode. The upper half outer end socket and the lower half outer end socket are clamped outside the inner end socket in a butt joint mode, and the connecting plate is fixed on the shell through screws, so that the worn end sockets can be conveniently removed and replaced in the later period; the plurality of inner labyrinth grooves are staggered and meshed with the plurality of outer convex ring rings to ensure the rotary sealing property; then a sealing rubber ring is sleeved between the inner end enclosure and the shaft rod to ensure the sealing effect;
but the device is connected shaft seal mechanism and casing through the bolt, and is more troublesome during the installation, and changes and need use specialized tool, and the practicality is lower, and the device is relatively poor to shaft seal mechanism's fixed effect, and the result of use is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a shaft seal structure of an underwater slurry pump.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a bearing seal structure of sediment stuff pump under water, includes installation mechanism, fixed establishment, bearing seal mechanism and main part mechanism, main part mechanism casing, set up the installing port of casing one side outer wall, install in the bearing of installing port one side inner wall and be fixed in the axostylus axostyle of bearing inner wall, bearing seal mechanism includes the backplate, articulates the lower backplate in the backplate bottom, set up the interior labyrinth groove that distributes in the equidistance of backplate and lower backplate inner wall, weld in the apron of backplate one end and set up the spliced eye of apron one side outer wall, the spliced eye forms to cup joint the cooperation with the axostylus axostyle, it has the mounting panel all to weld with lower backplate bottom to go up the backplate top, and the mounting panel has all seted up the mounting hole with casing one side outer wall.
Preferably, installation mechanism including set up in the fixed slot of mounting hole both sides inner wall, weld in the return spring of fixed slot one side inner wall, weld in the spin of return spring one end, peg graft in the inserted bar of mounting hole inner wall and set up in the joint groove of inserted bar both sides outer wall.
Preferably, the fixing mechanism comprises a threaded hole formed in the bottom of the outer wall on one side of the cover plate and the lower protective plate, a threaded rod screwed on the inner wall of the threaded hole, a fixing block welded at one end of the threaded rod and a pressing plate hinged on the outer wall on one side of the fixing block.
Preferably, the clamping groove and the rolling ball form clamping fit, a knob is welded at one end of the inserted bar, and an anti-skidding soft sleeve is sleeved on the outer wall of the knob.
Preferably, the bottom of the pressing plate and the bottom of the lower guard plate are both provided with fixing holes, and the fixing holes are in threaded connection with bolts.
Preferably, the inner wall of one side of the mounting hole is welded with a fixed spring, and one end of the fixed spring is welded with a contact plate.
Preferably, one end of the contact plate is in contact with one end of the inserted link, and rubber gaskets are sleeved at the joints of the upper guard plate, the lower guard plate and the shell.
The utility model has the beneficial effects that:
1. the mounting holes are formed in the mounting plates arranged on the upper protective plate and the lower protective plate and one side of the shell, and the fixing springs and the contact plates are arranged on the inner walls of the mounting holes, so that when mounting is needed, only the insertion rod is inserted into the mounting holes to push the rolling balls to compress the return springs;
2. through at the articulated backplate down in backplate bottom, when fixing backplate and lower backplate in casing one end, rotate the fixed block and drive the threaded rod and fix, fixed back rotating pressing plate to will fix backplate and last backplate down through the bolt, can have better fixed effect for traditional bolt fastening, improve the fixed effect of device, greatly increased device's result of use, improve device's practicality, improved the life of device to a certain extent.
Drawings
Fig. 1 is a schematic perspective view of a shaft seal structure of an underwater slurry pump according to the present invention.
FIG. 2 is a schematic view of an internal three-dimensional structure of an upper protection plate of a shaft seal structure of an underwater slurry pump, which is provided by the utility model;
FIG. 3 is a schematic perspective view of a lower protection plate of a shaft seal structure of an underwater slurry pump according to the present invention;
FIG. 4 is a schematic perspective view of a main body mechanism of a shaft seal structure of an underwater slurry pump according to the present invention;
fig. 5 is a schematic sectional structure view of a shaft seal structure fixing mechanism of an underwater slurry pump according to the present invention.
In the figure: the device comprises a shell 1, a mounting plate 2, a mounting mechanism 3, an upper protection plate 4, a shaft rod 5, a fixing mechanism 6, a lower protection plate 7, a bearing 8, a labyrinth groove 9, a mounting hole 10, a threaded rod 11, a fixing block 12, a pressing plate 13, a bolt 14, a fixing groove 15, a rolling ball 16, an inserting rod 17, a clamping groove 18, a knob 19, a return spring 20, a fixing spring 21 and a contact plate 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a shaft seal structure of an underwater slurry pump comprises a shell 1, a mounting plate 2, a mounting mechanism 3, an upper protective plate 4, a shaft rod 5, a fixing mechanism 6, a lower protective plate 7, a bearing 8, an inner labyrinth groove 9, a mounting hole 10, a threaded rod 11, a fixing block 12, a pressing plate 13, a bolt 14, a fixing groove 15, a rolling ball 16, an inserting rod 17, a clamping groove 18, a knob 19, a return spring 20, a fixing spring 21, a contact plate 22, a shaft seal mechanism and a main mechanism, wherein the main mechanism comprises the shell 1, a mounting port arranged on the outer wall of one side of the shell 1, the bearing 8 arranged on the inner wall of one side of the mounting port and the shaft rod 5 fixed on the inner wall of the bearing 8, the shaft seal mechanism comprises the upper protective plate 4, the lower protective plate 7 hinged to the bottom of the upper protective plate 4, the inner labyrinth grooves 9 arranged on the inner walls of the upper protective plate 4 and the lower protective plate 7 and distributed at equal intervals, a cover plate welded on one end of the cover plate and an inserting hole arranged on the outer wall of one side of the cover plate, the inserting holes are in sleeve fit with the shaft rod 5, the mounting plates 2 are welded to the top of the upper protection plate 4 and the bottom of the lower protection plate 7, and the mounting plates 2 and the outer wall of one side of the shell 1 are provided with mounting holes 10;
the mounting mechanism 3 comprises fixing grooves 15 formed in the inner walls of two sides of the mounting hole 10, a return spring 20 welded on the inner wall of one side of the fixing groove 15, a rolling ball 16 welded at one end of the return spring 20, an inserting rod 17 inserted into the inner wall of the mounting hole 10 and clamping grooves 18 formed in the outer walls of two sides of the inserting rod 17, the fixing mechanism 6 comprises a threaded hole formed in the bottom of the outer wall of one side of the cover plate and the lower protection plate 7, a threaded rod 11 screwed on the inner wall of the threaded hole, a fixing block 12 welded at one end of the threaded rod 11 and a pressing plate 13 hinged to the outer wall of one side of the fixing block 12;
The working principle is as follows: the mounting holes 10 are formed in one sides of the mounting plate 2 and the shell 1 which are arranged on the upper protective plate 4 and the lower protective plate 7, and the fixing springs 21 and the contact plates 22 are arranged on the inner walls of the mounting holes 10, when mounting is needed, the inserting rod 17 is only required to be inserted into the mounting holes 10, so that the inserting rod 17 pushes the rolling ball 16 to compress the return springs 20, when the inserting rod 17 is inserted into a specified position, the contact plates 22 can rebound, the rolling ball 16 is clamped with the clamping grooves 18 formed in the two sides of the inserting rod 17, fixing can be achieved, the shaft seal mechanism and the shell are fixedly connected conveniently, the mounting effect is not influenced, the mounting difficulty can be simplified, the working efficiency is improved, replacement can be facilitated, the practicability of the device is increased, and the working efficiency during mounting is improved; through at articulated backplate 7 down in 4 bottoms of last backplate, fixing last backplate 4 and backplate 7 down when 1 one end of casing, it drives threaded rod 11 and fixes to rotate fixed block 12, fixed back rotating pressing plate 13, and fix backplate 7 and last backplate 4 down through bolt 14, can have better fixed effect for traditional bolt fastening, improve the fixed effect of device, the result of use of greatly increased device, the practicality of improving device, the life of device has been improved to a certain extent.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. A shaft seal structure of an underwater slurry pump comprises an installation mechanism (3), a fixing mechanism (6), a shaft seal mechanism and a main body mechanism, it is characterized in that the main body mechanism comprises a shell (1), an installation opening arranged on the outer wall of one side of the shell (1), a bearing (8) arranged on the inner wall of one side of the installation opening, and a shaft lever (5) fixed on the inner wall of the bearing (8), the shaft seal mechanism comprises an upper protection plate (4), a lower protection plate (7) hinged at the bottom of the upper protection plate (4), inner labyrinth grooves (9) which are arranged on the inner walls of the upper protection plate (4) and the lower protection plate (7) and are distributed at equal intervals, a cover plate welded at one end of the upper protection plate (4) and a plug-in hole arranged on the outer wall of one side of the cover plate, the inserting holes are in sleeve fit with the shaft lever (5), the top of the upper guard plate (4) and the bottom of the lower guard plate (7) are welded with mounting plates (2), and the mounting plate (2) and the outer wall of one side of the shell (1) are both provided with mounting holes (10).
2. The shaft seal structure of the underwater slurry pump according to claim 1, wherein the mounting mechanism (3) comprises fixing grooves (15) formed in inner walls of two sides of the mounting hole (10), a return spring (20) welded to an inner wall of one side of the fixing groove (15), a rolling ball (16) welded to one end of the return spring (20), an insertion rod (17) inserted into the inner wall of the mounting hole (10), and clamping grooves (18) formed in outer walls of two sides of the insertion rod (17).
3. The shaft seal structure of the underwater slurry pump according to claim 1, wherein the fixing mechanism (6) comprises a threaded hole formed in the bottom of the outer wall of one side of the cover plate and the lower guard plate (7), a threaded rod (11) screwed on the inner wall of the threaded hole, a fixing block (12) welded to one end of the threaded rod (11), and a pressing plate (13) hinged to the outer wall of one side of the fixing block (12).
4. The shaft seal structure of the underwater slurry pump according to claim 2, wherein the clamping groove (18) is in clamping fit with the rolling ball (16), a knob (19) is welded at one end of the inserted rod (17), and an anti-skid soft sleeve is sleeved on the outer wall of the knob (19).
5. The shaft seal structure of the underwater slurry pump according to claim 3, wherein fixing holes are formed in the bottom of the pressure plate (13) and the bottom of the lower protective plate (7), and bolts (14) are screwed in the fixing holes.
6. The shaft seal structure of an underwater slurry pump according to claim 2, wherein a fixing spring (21) is welded to an inner wall of one side of the mounting hole (10), and a contact plate (22) is welded to one end of the fixing spring (21).
7. The shaft seal structure of the underwater slurry pump according to claim 6, wherein one end of the contact plate (22) is in contact with one end of the inserted link (17), and rubber gaskets are sleeved at the joints of the upper guard plate (4), the lower guard plate (7) and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122442133.2U CN216044490U (en) | 2021-10-11 | 2021-10-11 | Shaft seal structure of underwater slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122442133.2U CN216044490U (en) | 2021-10-11 | 2021-10-11 | Shaft seal structure of underwater slurry pump |
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| Publication Number | Publication Date |
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| CN216044490U true CN216044490U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122442133.2U Active CN216044490U (en) | 2021-10-11 | 2021-10-11 | Shaft seal structure of underwater slurry pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116163961A (en) * | 2023-04-19 | 2023-05-26 | 石家庄开发区石泵泵业有限公司 | Slurry pump capable of rotatably adjusting front guard plate |
-
2021
- 2021-10-11 CN CN202122442133.2U patent/CN216044490U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116163961A (en) * | 2023-04-19 | 2023-05-26 | 石家庄开发区石泵泵业有限公司 | Slurry pump capable of rotatably adjusting front guard plate |
| CN116163961B (en) * | 2023-04-19 | 2023-07-04 | 石家庄开发区石泵泵业有限公司 | Slurry pump capable of rotatably adjusting front guard plate |
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