CN217381614U - Water seal device for lower end shaft of double-helix ore washer - Google Patents
Water seal device for lower end shaft of double-helix ore washer Download PDFInfo
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- CN217381614U CN217381614U CN202221473359.7U CN202221473359U CN217381614U CN 217381614 U CN217381614 U CN 217381614U CN 202221473359 U CN202221473359 U CN 202221473359U CN 217381614 U CN217381614 U CN 217381614U
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Abstract
The utility model belongs to the lower extreme sealing field of two spiral log washers of slot type discloses two spiral log washers lower extreme axle water seal device, and this water seal device cover is established at the lower extreme of two spiral log washers epaxially and is installed on the cell body of two spiral log washers, water seal device includes the big handhole door, the right side of big handhole door is provided with big handhole door cushion, the right side of big handhole door cushion is provided with rubber flange, the cover is equipped with the immersion oil felt circle in the rubber flange and on being located the lower extreme epaxial cover, bolt fixedly connected with inboard bearing frame is passed through on rubber flange's right side, inboard bearing frame's right side is provided with intermediate bearing frame and outboard bearing frame. When the screw axis of double helix ore washer rotated the during operation, the water seal arrangement of this scheme can float and follow the minor axis, adopts withstand voltage rotation axis skeleton oil blanket to do the multistage polyphone of sealing member, and the sealed effect of reinforcing reduces the wearing and tearing when the axle decentraction, increases life, has improved the productivity of spiral ore washer, has reduced user's routine maintenance work load.
Description
Technical Field
The utility model relates to a lower extreme sealing field of two spiral log washers of slot type, more specifically say, relate to two spiral log washers lower extreme axle water seal device.
Background
The existing water seal is sealed by a packing, and is provided with a packing cavity, a packing and a gland, the gland is tightly pressed by a screw rod, the abrasion loss of the packing is offset, and the sealing effect is achieved.
However, the large shaft of the ore washer is connected by two short shafts and a spiral pipe, bearing seat assembling surfaces on a rack are arranged at two ends of the large rack, a chassis of the large rack is elastically deformed during transportation and installation, packing abrasion is caused by various factors to cause water leakage, and packing replacement cannot meet technical requirements easily, so that serious maintenance and repair of water leakage are frequent, the short shaft with low reliability of the ore washer is a vulnerable part, and the spiral part needs to be completely lifted out when the short shaft is replaced in an original structure, so that the workload is large.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a lower tip shaft water seal device of double helix log washer.
In order to solve the above problems, the utility model adopts the following technical proposal.
The water seal device comprises a large hole cover, a large hole cover rubber mat is arranged on the right side of the large hole cover, a rubber flange is arranged on the right side of the large hole cover rubber mat, an oil immersion felt ring is sleeved in the rubber flange and positioned on the lower end shaft, the right side of the rubber flange is fixedly connected with an inner bearing seat through a bolt, and a middle bearing seat and an outer bearing seat are arranged on the right side of the inner bearing seat;
all there is the oil filler ring on inboard bearing frame and the outboard bearing frame through hexagon socket head cap screw fixed mounting, inboard bearing frame, intermediate bearing frame and outboard bearing frame all are provided with withstand voltage oil blanket and O type rubber circle, be provided with double-end lead screw on the rubber flange, double-end lead screw passes through hexagon nut and connects rubber flange, inboard bearing frame, intermediate bearing frame, oil filler ring, outside bearing frame as an organic whole, the right side of outboard bearing frame is provided with two VD type oil seals.
As a further description of the above technical solution: the number of the oil immersion felt rings is eight.
Compared with the prior art, the utility model has the advantages of:
when the spiral shaft of the double-spiral ore washer rotates to work, the water seal device can float to follow the short shaft, the pressure-resistant rotating shaft framework oil seal is adopted as a sealing element to be in multi-stage series connection, the sealing effect is enhanced, the abrasion of the shaft in the non-concentric process is reduced, the service life is prolonged, the productivity of the spiral ore washer is improved, and the daily maintenance workload of a user is reduced.
The scheme adopts the elastic rubber flange sealing body to enable the oil seal to float to follow the short shaft, and adverse effects of decentration are reduced.
The scheme is used for automatically and intermittently filling calcium-based lubricating grease into the sealing body and the oil seal, so that lubrication is guaranteed, abrasion is reduced, and service life is prolonged.
After the scheme is improved, the short shaft can be pulled out from the low end to replace a new shaft and then pushed into the spiral pipe from the low end to be connected, and the spiral pipe is fixed in the original position when the short shaft is replaced, so that the replacement workload is reduced.
Drawings
FIG. 1 is a schematic view of the assembly of the water seal assembly of the present invention;
FIG. 2 is a front sectional view of the water sealing device of FIG. 1 according to the present invention;
fig. 3 is an enlarged view of the pressure-resistant oil seal of fig. 2 according to the present invention.
The numbering in the figures illustrates:
1. a large hole cover; 2. a large hole cover rubber mat; 3. a rubber flange; 4. oil-impregnated felt rings; 5. an inboard bearing housing; 6. a middle bearing seat; 7. an oil filler ring; 8. an outboard bearing housing; 9. pressure-resistant oil seal; 10. an O-shaped rubber ring; 11. a double-end screw rod; 12. VD type oil seal.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention;
referring to fig. 1-3, a water seal device of a lower end shaft of a double-screw ore washer is sleeved on the lower end shaft of the double-screw ore washer and is installed on a groove body of the double-screw ore washer, the water seal device comprises a large hole cover 1, a large hole cover rubber gasket 2 is arranged on the right side of the large hole cover 1, a rubber flange 3 is arranged on the right side of the large hole cover rubber gasket 2, an oil-impregnated felt ring 4 is sleeved on the lower end shaft in the rubber flange 3, the right side of the rubber flange 3 is fixedly connected with an inner side bearing block 5 through bolts, and an intermediate bearing block 6 and an outer side bearing block 8 are arranged on the right side of the inner side bearing block 5;
The water seal device of the assembly scheme specifically operates as follows:
and taking the flange end of the short shaft as an initial position, and sequentially assembling.
Firstly, installing a large hole cover 1 and a large hole cover rubber cushion 2;
secondly, mounting the rubber flange 3, flattening by using M12 multiplied by 45 bolts and screwing a spring washer;
thirdly, coating calcium-based butter on the shafts, and plugging oil-impregnated felt rings 4 into the rubber flange 3, wherein eight felt rings are mounted on each shaft;
fourthly, installing a pressure-resistant oil seal 9 and an O-shaped rubber ring 10 on the inner bearing seat 5, connecting the inner bearing seat with the rubber flange 3 after coating a grease sleeve shaft, and fixing the inner bearing seat with M12 multiplied by 50 bolts;
coating grease on the shaft, installing a first oil filling ring 7, and fixing the oil filling ring 7 and the inner bearing seat 5 by using an inner hexagonal screw;
sixthly, installing a pressure-resistant oil seal 9 and an O-shaped rubber ring 10 on the middle bearing seat 6, paying attention to the direction of the oil seal, and coating butter;
seventhly, paying attention to the direction of an oil seal lip, mounting the middle bearing seat 6 on the short shaft;
eighthly, obviously installing a pressure-resistant oil seal 9 and an O-shaped rubber ring 10 on the outer bearing seat 8, coating butter, reversely sleeving an oil filling ring 7 on a short shaft, controlling the two parts to be concentric by using the short shaft, and fixing the oil filling ring 7 and the outer bearing seat 8 by using a 4-M8x25 cylindrical head hexagon socket head cap screw;
ninthly, taking the outer bearing seat 8 assembly fixed with the oiling ring 7 off the shaft and then installing the bearing seat on the shaft in the correct direction;
tenthly, installing a double-end screw rod 11, and fixing the rubber flange 3 and the inner side bearing seat 5 by using a 2-M12 hexagonal nut inside and outside the end of the rubber flange 3;
eleven, tensioning all the oil bearing seats and the oil filling ring 7 into a whole at the flange end of the outer bearing seat 8 by using a hexagonal nut and a double-end screw rod 11;
coating grease on the end face of the outer bearing block 8, sleeving the VD-shaped oil seal 12 on the shaft, and tightly attaching the lip to the end face of the outer bearing block 8;
thirteen, the upper lip of the sleeve shaft of the second VD-shaped oil seal 12 faces the tail end bearing seat, a plurality of oil seals are arranged in the sleeve shaft, and the sleeve shaft is moved back after the tail end bearing seat is arranged;
fourteen, installing a tail end bearing and a bearing seat according to the assembly requirement;
fifteen, rotating the screw shaft for 3-5 circles to check the installation condition.
In summary, the following steps: when the screw axis of double helix ore washer rotated the during operation, the water seal arrangement of this scheme can float and follow the minor axis, adopts withstand voltage rotation axis skeleton oil blanket to do the multistage polyphone of sealing member, and the sealed effect of reinforcing reduces the wearing and tearing when the axle decentraction, increases life, has improved the productivity of spiral ore washer, has reduced user's routine maintenance work load.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (2)
1. The water seal device of the lower end shaft of the double-helix ore washer is sleeved on the lower end shaft of the double-helix ore washer and is installed on a groove body of the double-helix ore washer, and is characterized in that: the water sealing device comprises a large hole cover (1), a large hole cover rubber mat (2) is arranged on the right side of the large hole cover (1), a rubber flange (3) is arranged on the right side of the large hole cover rubber mat (2), an oil immersion felt ring (4) is sleeved on a lower end shaft in the rubber flange (3), an inner bearing seat (5) is fixedly connected to the right side of the rubber flange (3) through bolts, and a middle bearing seat (6) and an outer bearing seat (8) are arranged on the right side of the inner bearing seat (5);
all there is oil filler ring (7) on inboard bearing (5) and outboard bearing (8) through interior hex head screw fixed mounting, inboard bearing (5), countershaft bearing (6) and outboard bearing (8) all are provided with withstand voltage oil blanket (9) and O type rubber ring (10), be provided with double-end lead screw (11) on rubber flange (3), double-end lead screw (11) are connected as an organic whole with rubber flange (3), inboard bearing (5), countershaft bearing (6), oil filler ring (7), outboard bearing (8) through hexagon nut, the right side of outboard bearing (8) is provided with two VD type oil seals (12).
2. The double-helix log washer lower end shaft water seal device as claimed in claim 1, wherein: the number of the oil immersion felt rings (4) is eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221473359.7U CN217381614U (en) | 2022-06-13 | 2022-06-13 | Water seal device for lower end shaft of double-helix ore washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221473359.7U CN217381614U (en) | 2022-06-13 | 2022-06-13 | Water seal device for lower end shaft of double-helix ore washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217381614U true CN217381614U (en) | 2022-09-06 |
Family
ID=83091489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221473359.7U Active CN217381614U (en) | 2022-06-13 | 2022-06-13 | Water seal device for lower end shaft of double-helix ore washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217381614U (en) |
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2022
- 2022-06-13 CN CN202221473359.7U patent/CN217381614U/en active Active
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