CN212717974U - Coal pulverizer pull rod toper seal cover - Google Patents
Coal pulverizer pull rod toper seal cover Download PDFInfo
- Publication number
- CN212717974U CN212717974U CN202021612905.1U CN202021612905U CN212717974U CN 212717974 U CN212717974 U CN 212717974U CN 202021612905 U CN202021612905 U CN 202021612905U CN 212717974 U CN212717974 U CN 212717974U
- Authority
- CN
- China
- Prior art keywords
- pull rod
- base
- arc
- shaped plate
- sealing ring
- 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.)
- Withdrawn - After Issue
Links
- 239000003245 coal Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 6
- 239000004917 carbon fiber Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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Abstract
The utility model relates to a pull rod seal cover accessory technical field, in particular to coal pulverizer pull rod toper seal cover, including base and pull rod, and through being equipped with base and conical duct, and placed the sealing ring in the inside of base and conical duct, the sealing ring is for adopting aramid fiber carbon fiber material, utilizes its self-lubricating nature and excellent heat conduction characteristics, can bear high temperature, highly compressed harsh environment, long service life, both can seal up the pull rod and also can prevent the pull rod wearing and tearing, facilitates the use, just the utility model discloses a modular design works as when the middle part damages, only needs to change the part of damage, can accomplish the maintenance, continues to use, reduces the maintenance cost, and adopts modular design, is convenient for will the utility model discloses install on the pull rod, easy to assemble and dismantle, convenient to maintain, convenient to use.
Description
Technical Field
The utility model relates to a pull rod seal cover accessory technical field, in particular to coal pulverizer pull rod toper seal cover.
Background
The coal pulverizer is the machinery that breaks the coal cinder and grinds into the buggy, it is the important auxiliary assembly of coal powder stove, coal pulverizer pull rod device is the important part that conveys the loading force on the grinding roller, when the pull rod uses, in order to guarantee the steady operation of pull rod, need establish the toper seal cover on the pull rod, nevertheless current toper seal cover structure is comparatively simple, when using for a long time, can produce wearing and tearing, and after wearing and tearing, need change whole toper seal cover, the maintenance cost is higher, and when changing, need dismantle the pull rod, be not convenient for change, inconvenient use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal pulverizer pull rod toper seal cover to the maintenance cost who proposes among the above-mentioned background art is higher and be not convenient for dismantle the problem of changing.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coal pulverizer pull rod toper seal cover, includes base and pull rod, the installation breach has been seted up to the lower extreme of base, the both sides fixed mounting of the upper surface of base has the screwed pipe, the upper end of base is located it has the toper cover to peg graft on the screwed pipe, vertical hole has been seted up to the upper surface of toper cover, the screwed pipe is pegged graft the inside in vertical hole, just it has the bolt to peg graft in the inside in vertical hole, the other end threaded connection of bolt is in the inside of screwed pipe, the base with the inside joint of toper cover has the sealing ring, the pull rod is pegged graft the inside of sealing ring.
Preferably, the number of the base and the number of the conical sleeves are two, the top views of the base and the conical sleeves are both semicircular structures, through holes are uniformly formed in the base and the conical sleeves, fixing screws are connected to the inner threads of the through holes, and the base and the conical sleeves are fixedly connected through the fixing screws.
Preferably, the base and the conical sleeve are both provided with a placing groove with an arc structure, and the sealing ring is clamped in the placing groove.
Preferably, the sealing ring is made of aramid fiber carbon fiber material.
Preferably, the sealing ring comprises a first arc-shaped plate and a second arc-shaped plate, and the first arc-shaped plate is clamped with the second arc-shaped plate.
Preferably, clamping plates are fixedly mounted on one sides of the first arc-shaped plate and the second arc-shaped plate, clamping grooves are fixedly mounted on the other sides of the first arc-shaped plate and the second arc-shaped plate, and the first arc-shaped plate and the second arc-shaped plate are clamped with the clamping grooves through the clamping plates.
Preferably, the vertical hole is of a T-shaped structure, and the diameter of the lower end of the vertical hole is the same as the outer diameter of the threaded pipe.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a be equipped with base and conical duct, and placed the sealing ring in the inside of base and toper cover, the sealing ring is for adopting aramid fiber carbon fiber material, and its self-lubricity and excellent heat conduction characteristics can bear the high temperature, highly compressed harsh environment, and long service life both can seal the pull rod and also can prevent the pull rod wearing and tearing, facilitate the use.
2. The utility model discloses a modular design, when the utility model discloses wherein partial part damages, only needs to change partial part, reduces the maintenance cost, and modular design, is convenient for dismantle and install, convenient maintenance, convenient to use.
Drawings
FIG. 1 is a front sectional view of the structure of the present invention;
FIG. 2 is a schematic structural view of a base according to the present invention;
FIG. 3 is a schematic structural view of a sealing ring in the structure of the present invention;
fig. 4 is a schematic structural view of a second arc plate in the structure of the present invention.
In the figure: 1. a base; 2. a pull rod; 3. installing a notch; 4. a threaded pipe; 5. a conical sleeve; 6. a vertical hole; 7. a bolt; 8. a seal ring; 9. a through hole; 10. fixing screws; 11. a placement groove; 12. a first arc-shaped plate; 13. a second arc-shaped plate; 14. clamping a plate; 15. a clamping groove.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a coal mill pull rod taper sealing sleeve as shown in figures 1-4, which comprises a base 1 and a pull rod 2, wherein the lower end of the base 1 is provided with an installation notch 3, both sides of the upper surface of the base 1 are fixedly provided with threaded pipes 4, the upper end of the base 1 is provided with a taper sleeve 5 inserted on the threaded pipes 4, the number of the base 1 and the taper sleeve 5 is two, the top views of the base 1 and the taper sleeve 5 are both in a semicircular structure, the base 1 and the taper sleeve 5 are uniformly provided with through holes 9, the inner threads of the through holes 9 are connected with fixing screws 10, the base 1 and the taper sleeve 5 are fixedly connected through the fixing screws 10, the upper surface of the taper sleeve 5 is provided with vertical holes 6, the threaded pipes 4 are inserted in the vertical holes 6, the vertical holes 6 are in a T-shaped structure, and the diameter of the lower end of the vertical holes 6 is the same as the outer diameter of the, and the inside of vertical hole 6 is pegged graft and is had bolt 7, the other end threaded connection of bolt 7 is in the inside of screwed pipe 4, base 1 has sealing ring 8 with the inside joint of taper sleeve 5, sealing ring 8 is aramid fiber carbon fiber material, the standing groove 11 of arc structure is all seted up with the inside of taper sleeve 5 to base 1, sealing ring 8 joint is in the inside of standing groove 11, pull rod 2 is pegged graft in the inside of sealing ring 8, sealing ring 8 includes first arc 12 and second arc 13, and looks joint between first arc 12 and the second arc 13, the equal fixed mounting in one side of first arc 12 and second arc 13 has cardboard 14, the opposite side fixed mounting of first arc 12 and second arc 13 has draw-in groove 15, through cardboard 14 and draw-in groove 15 looks joint between first arc 12 and the second arc 13.
As shown in FIG. 1, when the present invention is used, the base 1 is sleeved on the pull rod 2, and the base 1 is installed on the outer shell through the installation gap 3 by fixing the screw 10, so that the two bases 1 are fixedly connected, the base 1 is installed on the outer shell, the sealing ring 8 is inserted inside the placement groove 11, the taper sleeve 5 is inserted on the threaded pipe 4 on the base 1 through the vertical hole 6, the bolt 7 is inserted inside the vertical hole 6, so that one end of the bolt 7 is screwed on the upper end of the threaded pipe 4, the taper sleeve 5 is fixedly installed on the base 1, and the fixing screw 10 passes through the through hole 9 on the taper sleeve 5, so that the two taper sleeves 5 are fixedly connected with each other, thereby completing the installation of the present invention, and the present invention adopts the installation in combination, which is convenient for maintenance and replacement, and when one of the components is damaged, only the damaged parts need to be replaced, and the device can be continuously used, so that the maintenance cost is reduced.
Combine fig. 3 and fig. 4 to show, when placing sealing ring 8 inside standing groove 11, place first arc 12 in the inside of standing groove 11, and pass through cardboard 14 and draw-in groove 15 joint with second arc 13 on first arc 12, make first arc 12 and second arc 13 carry out the built-up connection, and then accomplish and assemble sealing ring 8, and sealing ring 8 adopts aramid fiber carbon fiber material, and has high temperature resistant, high strength, high abrasion, corrosion-resistant characteristics, and its self-lubrication nature and excellent heat conduction characteristics, can bear high temperature, harsh high-pressure environment, long service life, both can seal up pull rod 2 and also can prevent pull rod 2 wearing and tearing, and convenient to use.
This practical theory of operation: when the utility model is used, the base 1 is sleeved on the pull rod 2, the two bases 1 are fixedly connected through the fixing screw 10, the base 1 is arranged on the outer shell through the mounting notch 3, the base 1 is arranged, the sealing ring 8 is inserted in the placing groove 11, when the sealing ring 8 is arranged in the placing groove 11, the first arc-shaped plate 12 is arranged in the placing groove 11, the second arc-shaped plate 13 is clamped on the first arc-shaped plate 12 through the clamping plate 14 and the clamping groove 15, the first arc-shaped plate 12 and the second arc-shaped plate 13 are combined and connected, the sealing ring 8 is assembled, the sealing ring 8 is made of aramid fiber material, and has the characteristics of high temperature resistance, high strength, high wear resistance and corrosion resistance, and the self-lubricating property and excellent heat conduction property, and can bear the harsh environment of high temperature and high pressure, long service life, both can seal up pull rod 2 and also can prevent pull rod 2 wearing and tearing, facilitate the use, place 11 inside backs in the standing groove when sealing ring 8, peg graft conical sleeve 5 on screwed pipe 4 on base 1 through vertical hole 6, and peg graft bolt 7 in the inside of vertical hole 6, make one end threaded connection of bolt 7 in the upper end of screwed pipe 4, realize with conical sleeve 5 fixed mounting on base 1, and pass through hole 9 on conical sleeve 5 through set screw 10, make two conical sleeve 5 mutual fixed connection up to now, and then accomplish to the utility model discloses an installation, just the utility model discloses an installation during the combination, conveniently maintain and change, and when one of them part damages, only need change the part that damages, can continue to use, reduce the maintenance cost.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a coal pulverizer pull rod toper seal cover, includes base (1) and pull rod (2), its characterized in that: the lower end of the base (1) is provided with an installation notch (3), two sides of the upper surface of the base (1) are fixedly provided with threaded pipes (4), the upper end of the base (1) is located on the threaded pipes (4) and is connected with a conical sleeve (5) in an inserting mode, the upper surface of the conical sleeve (5) is provided with vertical holes (6), the threaded pipes (4) are connected with the inside of the vertical holes (6) in an inserting mode, bolts (7) are connected with the inside of the vertical holes (6) in an inserting mode, the other ends of the bolts (7) are connected with the inside of the threaded pipes (4) in a threaded mode, the base (1) is connected with the inside of the conical sleeve (5) in a clamping mode through sealing rings (8), and the pull rods (2) are connected with the inside of the sealing rings (.
2. The conical seal sleeve for the pull rod of the coal mill as claimed in claim 1, wherein: the base (1) with the quantity of toper cover (5) is two, just base (1) with the plan view of toper cover (5) is semicircular structure, base (1) with through hole (9) have evenly been seted up on toper cover (5), the inside threaded connection of through hole (9) has set screw (10), between base (1) with between the toper cover (5) all through set screw (10) looks fixed connection.
3. The conical seal sleeve for the pull rod of the coal mill as claimed in claim 1, wherein: the base (1) and the conical sleeve (5) are both provided with a placing groove (11) with an arc-shaped structure, and the sealing ring (8) is clamped in the placing groove (11).
4. The conical seal sleeve for the pull rod of the coal mill as claimed in claim 1, wherein: the sealing ring (8) is made of aramid fiber carbon fiber materials.
5. The conical seal sleeve for the pull rod of the coal mill as claimed in claim 1, wherein: the sealing ring (8) comprises a first arc-shaped plate (12) and a second arc-shaped plate (13), and the first arc-shaped plate (12) is clamped with the second arc-shaped plate (13).
6. The conical seal sleeve for the pull rod of the coal pulverizer as claimed in claim 5, wherein: the clamping plate (14) is fixedly mounted on one side of the first arc-shaped plate (12) and one side of the second arc-shaped plate (13), the clamping groove (15) is fixedly mounted on the other side of the first arc-shaped plate (12) and the second arc-shaped plate (13), and the clamping plate (14) and the clamping groove (15) are clamped between the first arc-shaped plate (12) and the second arc-shaped plate (13).
7. The conical seal sleeve for the pull rod of the coal mill as claimed in claim 1, wherein: the vertical hole (6) is of a T-shaped structure, and the diameter of the lower end of the vertical hole (6) is the same as the outer diameter of the threaded pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021612905.1U CN212717974U (en) | 2020-08-05 | 2020-08-05 | Coal pulverizer pull rod toper seal cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021612905.1U CN212717974U (en) | 2020-08-05 | 2020-08-05 | Coal pulverizer pull rod toper seal cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717974U true CN212717974U (en) | 2021-03-16 |
Family
ID=74913856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021612905.1U Withdrawn - After Issue CN212717974U (en) | 2020-08-05 | 2020-08-05 | Coal pulverizer pull rod toper seal cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887750A (en) * | 2022-03-21 | 2022-08-12 | 华能武汉发电有限责任公司 | Concatenation formula coal supporting disc for ring type coal feeder |
-
2020
- 2020-08-05 CN CN202021612905.1U patent/CN212717974U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887750A (en) * | 2022-03-21 | 2022-08-12 | 华能武汉发电有限责任公司 | Concatenation formula coal supporting disc for ring type coal feeder |
| CN114887750B (en) * | 2022-03-21 | 2023-11-03 | 华能武汉发电有限责任公司 | Concatenation formula holds coal dish for ring type feeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210316 Effective date of abandoning: 20231130 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210316 Effective date of abandoning: 20231130 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |