CN212959842U - Coal pulverizer pull rod sealing device - Google Patents
Coal pulverizer pull rod sealing device Download PDFInfo
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- CN212959842U CN212959842U CN202021959692.XU CN202021959692U CN212959842U CN 212959842 U CN212959842 U CN 212959842U CN 202021959692 U CN202021959692 U CN 202021959692U CN 212959842 U CN212959842 U CN 212959842U
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- pull rod
- coal mill
- sealing device
- ring
- sealing
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Abstract
The utility model discloses a coal mill pull rod sealing device, which comprises a sealing device shell, wherein a coal mill pull rod is arranged in the sealing device shell, a sealing mechanism is arranged at the periphery of the coal mill pull rod, the sealing mechanism comprises a lower through hole, a lower dust-proof ring is arranged below the lower through hole, the coal mill pull rod penetrates through the lower dust-proof ring, a lower sealing ring is arranged on the lower dust-proof ring, the coal mill pull rod penetrates through the lower sealing ring, a lower ball fixing ring is arranged on the lower sealing ring, the coal mill pull rod penetrates through the lower ball fixing ring, a plurality of metal balls are arranged in the lower ball fixing ring, a pull rod fixing block is arranged in the middle of the coal mill pull rod, stabilizer bars are symmetrically arranged at two sides of the pull rod fixing block, the sealing device reduces the phenomena of powder leakage and abrasion of the pull rod, improves the production efficiency, and does not need to frequently change the, reducing environmental pollution, wasting energy, increasing energy consumption, being unfavorable for civilized production and the like.
Description
Technical Field
The utility model relates to a sealing device field particularly, relates to a coal pulverizer pull rod sealing device.
Background
The coal mill works in such a way that a motor drives a millstone to rotate through a speed reducer, the millstone rotates to drive three grinding rollers which form an angle of 120 degrees with each other to passively rotate, raw coal falls onto the surface of the millstone through a coal inlet pipe, under the action of centrifugal force, the raw coal uniformly moves to the periphery of the millstone along the radial direction and enters a millstone roller way, grinding is carried out between the millstone and the grinding rollers, the grinding pressure is supplied by a hydraulic device arranged additionally through a loading frame and a pull rod, and the pull rod extends out of a closed medium-speed roller disc mill to be connected with a piston rod in a hydraulic cylinder. The pull rod does the displacement from top to bottom this moment, and current pull rod is made with rigid material, and the sealing member is in high temperature buggy environment, often appears leaking the powder and wearing and tearing the pull rod, has reduced production efficiency, needs often to change sealing device, and sealed wind leaks moreover and can make the buggy leak simultaneously, and the clearance is big the stone coal in addition and spills, can appear polluting the environment, extravagant energy, increases energy consumption and unfavorable civilized production scheduling problem.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal pulverizer pull rod sealing device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a coal mill pull rod sealing device comprises a sealing device shell, wherein a coal mill pull rod is arranged inside the sealing device shell, a sealing mechanism is arranged on the periphery of the coal mill pull rod, the sealing mechanism comprises a lower through hole, a lower dust-proof ring is arranged below the lower through hole, the coal mill pull rod penetrates through the lower dust-proof ring, a lower sealing ring is arranged on the lower dust-proof ring, the coal mill pull rod penetrates through the lower sealing ring, a lower ball fixing ring is arranged on the lower sealing ring, the coal mill pull rod penetrates through the lower ball fixing ring, a plurality of metal balls are arranged inside the lower ball fixing ring, a pull rod fixing block is arranged in the middle of the coal mill pull rod, stabilizer bars are symmetrically arranged on two sides of the pull rod fixing block, stabilizing rollers are symmetrically arranged on two sides of the stabilizer bars, wheel slip sheets are fixedly arranged on two sides of the stabilizing rollers, and an upper through hole, the inner part of the upper through hole is provided with an upper ball fixing ring, the upper ball fixing ring is provided with an upper sealing ring, the inner part of the upper ball fixing ring is provided with a plurality of metal balls, and the upper sealing ring is provided with an upper dust-proof ring.
Furthermore, a noise reduction plate is arranged on the periphery of the sealing device shell.
Furthermore, the periphery of the noise reduction plate is provided with a damping fixing frame, and a damping spring is arranged in the damping fixing frame.
Furthermore, a spring fixing block is arranged on the periphery of the damping spring.
Further, be equipped with lubricated mechanism on the shock attenuation mount, lubricated mechanism includes lubricated mounting bracket, be equipped with lubricated bottle on the lubricated mounting bracket, be equipped with lubricating oil in the lubricated bottle, lubricating oil has the oil drip mouth, the oil drip mouth has the swash plate.
Further, sealing device shell one side is equipped with temperature sensor, the last audible alarm that is equipped with of temperature sensor, audible alarm and temperature sensor electric connection.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the lower dust-proof ring is arranged to prevent dust below from entering the sealing device, the lower sealing ring blocks air below, the lower ball fixing ring is internally provided with metal balls, so that the abrasion of the coal mill pull rod in the operation process is reduced, the stabilizer bars on two sides of the pull rod fixing block are moved when the coal mill pull rod reciprocates, the stabilizer bars drive the stabilizing rollers to move through the wheel slip sheets when moving, so that the coal mill pull rod is more stable, the upper ball fixing ring is arranged to reduce the operation abrasion of the coal mill pull rod above the sealing device, the upper sealing ring blocks air above the coal mill pull rod, and the upper dust-proof ring blocks dust above the coal mill pull rod, so that the sealing device reduces the phenomena of powder leakage and abrasion of the coal mill pull rod, improves the production efficiency, does not need to frequently replace the sealing device, reduces the pollution to the environment and wastes energy, increase energy consumption and is not favorable for civilized production and the like.
(2) The noise reduction plate is arranged, so that noise generated during operation of the device is reduced, the damping spring is arranged, vibration generated during operation of the device is reduced, lubricating oil is arranged, the purpose of lubricating the device is achieved, the lubricating oil is dripped out from the oil drip opening and flows onto a coal mill pull rod through the inclined plate, and the temperature sensor is arranged, so that the sound alarm is made when the device is over-temperature, and accidents are prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a main structure of a coal mill pull rod sealing device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a coal mill pull rod sealing device A in FIG. 1 according to an embodiment of the present invention;
fig. 3 is a perspective view of a stabilizer roller in a coal mill pull rod sealing device according to an embodiment of the present invention;
fig. 4 is a top view of a metal ball in a coal pulverizer pull rod sealing device according to an embodiment of the present invention.
Reference numerals:
1. a sealing device housing; 2. a coal mill pull rod; 3. a lower through hole; 4. a lower dust-proof ring; 5. a lower seal ring; 6. a lower ball retainer ring; 7. a metal ball; 8. a pull rod fixing block; 9. a stabilizer bar; 10. stabilizing the roller; 11. a wheel slip sheet; 12. an upper through hole; 13. an upper ball retainer ring; 14. an upper sealing ring; 15. installing a dust-proof ring; 16. a noise reduction plate; 17. a shock-absorbing fixing frame; 18. a damping spring; 19. a spring fixing block; 20. lubricating the mounting rack; 21. a lubrication bottle; 22. lubricating oil; 23. a dripping port; 24. a sloping plate; 25. a temperature sensor; 26. an audible alarm.
Detailed Description
The following, with reference to the drawings and the detailed description, further description of the present invention is made:
the first embodiment is as follows:
referring to fig. 1-4, a coal mill pull rod sealing device comprises a sealing device housing 1, a coal mill pull rod 2 is arranged inside the sealing device housing 1, a sealing mechanism is arranged on the periphery of the coal mill pull rod 2, the sealing mechanism comprises a lower through hole 3, a lower dust-proof ring 4 is arranged below the lower through hole 3 to facilitate dust blocking, the coal mill pull rod 2 penetrates through the lower dust-proof ring 4, a lower sealing ring 5 is arranged on the lower dust-proof ring 4 to facilitate air blocking, the coal mill pull rod 2 penetrates through the lower sealing ring 5, a lower ball fixing ring 6 is arranged on the lower sealing ring 5 to reduce abrasion of the coal mill pull rod 2, the coal mill pull rod 2 penetrates through the lower ball fixing ring 6, a plurality of metal balls 7 are arranged inside the lower ball fixing ring 6, and a pull rod fixing block 8 is arranged in the middle of the coal mill pull rod 2, 8 bilateral symmetry of pull rod fixed block is equipped with stabilizer bar 9, and is convenient stable coal pulverizer pull rod 2, 9 bilateral symmetry of stabilizer bar are equipped with stabilizer roller 10, the fixed round gleitbretter 11 that is equipped with in stabilizer roller 10 both sides, be equipped with last through-hole 12 on the coal pulverizer pull rod 2, go up the inside ball retainer plate 13 that is equipped with of through-hole 12, upward be equipped with sealing washer 14 on the ball retainer plate 13, go up the inside a plurality of metal ball 7 of ball retainer plate 13, upward be equipped with on the sealing washer 14 and prevent dust circle 15.
By the above scheme of the utility model, the lower dust-proof ring 4 is arranged to prevent the dust below from entering the sealing device, the lower sealing ring 5 blocks the air below to prevent the air from entering the sealing device, the lower ball fixing ring 6 is internally provided with the metal ball 7 to reduce the abrasion of the coal mill pull rod 2 in the operation process, the stabilizer bars 9 at the two sides of the pull rod fixing block 8 are moved when the coal mill pull rod 2 reciprocates, and the stabilizer bars 9 move to drive the stabilizing roller 10 to move through the wheel slip sheet 11 to stabilize the coal mill pull rod 2, the upper ball fixing ring 13 reduces the abrasion of the coal mill pull rod 2 in the operation process above the sealing device, the upper sealing ring 14 blocks the air above, and the upper dust-proof ring 15 blocks the dust above, the sealing device reduces the phenomena of powder leakage and abrasion of the pull rod, and improves the production efficiency, the sealing device does not need to be frequently replaced, the environmental pollution is reduced, the energy is wasted, the energy consumption is increased, the civilized production is not facilitated, and the like.
Example two:
referring to fig. 1-4, a noise reduction plate 16 is arranged on the periphery of a sealing device shell 1, a damping fixing frame 17 is arranged on the periphery of the noise reduction plate 16, a damping spring 18 is arranged inside the damping fixing frame 17, a spring fixing block 19 is arranged on the periphery of the damping spring 18, a lubricating mechanism is arranged on the damping fixing frame 17 and comprises a lubricating mounting frame 20, a lubricating bottle 21 is arranged on the lubricating mounting frame 20, lubricating oil 22 is arranged in the lubricating bottle 21, an oil dripping port 23 is arranged below the lubricating oil 22, an inclined plate 24 is arranged below the oil dripping port 23, a temperature sensor 25 is arranged on one side of the sealing device shell 1, an audible alarm 26 is arranged on the temperature sensor 25, and the audible alarm 26 is electrically connected with the temperature sensor 25
Through the above technical scheme of the utility model, through setting up noise reduction plate 16, thereby the noise that produces when reducing the device operation, through setting up damping spring 18, thereby the vibrations that produce when reducing the device operation, through setting up lubricating oil 22, thereby reach and give the lubricated purpose of device, make lubricating oil 22 drip from oil drip 23, flow to coal pulverizer pull rod 2 through swash plate 24 on, through setting up temperature sensor 25, when making the device overtemperature, make audible alarm 26, prevent accident's emergence.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the lower dust-proof ring 4 is arranged to prevent dust below from entering the sealing device, the lower sealing ring 5 blocks air below to prevent air from entering the sealing device, the lower ball fixing ring 6 is internally provided with the metal ball 7 to reduce abrasion of the coal mill pull rod 2 in the operation process, the stabilizer bars 9 on two sides of the pull rod fixing block 8 are moved when the coal mill pull rod 2 reciprocates, the stabilizer bars 9 move to drive the stabilizing rollers 10 to move through the wheel slip sheets 11 to stabilize the coal mill pull rod 2, the upper ball fixing ring 13 reduces the operation abrasion of the coal mill pull rod 2 above the sealing device, the upper sealing ring 14 blocks air above the coal mill pull rod, and the upper dust-proof ring 15 blocks dust above the coal mill pull rod, so that the phenomena of powder leakage and abrasion of the coal mill pull rod are reduced, the production efficiency is improved, and the sealing device does not need to be frequently replaced, reduce the polluted environment, the extravagant energy, increase energy consumption and unfavorable civilized production scheduling problem, through setting up noise reduction board 16, thereby reduce the noise that the device produced during operation, through setting up damping spring 18, thereby reduce the vibrations that the device produced during operation, through setting up lubricating oil 22, thereby reach the lubricated purpose of giving the device, make lubricating oil 22 drip from oil drip 23, flow to the coal pulverizer pull rod 2 through swash plate 24 on, through setting up temperature sensor 25, when making the device overtemperature, make audible alarm 26, prevent the emergence of accident.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A coal mill pull rod sealing device comprises a sealing device shell (1) and is characterized in that a coal mill pull rod (2) is arranged inside the sealing device shell (1), a sealing mechanism is arranged on the periphery of the coal mill pull rod (2), the sealing mechanism comprises a lower through hole (3), a lower dust ring (4) is arranged below the lower through hole (3), the coal mill pull rod (2) penetrates through the lower dust ring (4), a lower sealing ring (5) is arranged on the lower dust ring (4), the coal mill pull rod (2) penetrates through the lower sealing ring (5), a lower ball fixing ring (6) is arranged on the lower sealing ring (5), the coal mill pull rod (2) penetrates through the lower ball fixing ring (6), a plurality of metal balls (7) are arranged inside the lower ball fixing ring (6), and a pull rod fixing block (8) is arranged in the middle of the coal mill pull rod (2), pull rod fixed block (8) bilateral symmetry is equipped with stabilizer bar (9), stabilizer bar (9) bilateral symmetry is equipped with stabilizer roller (10), stabilizer roller (10) both sides are fixed and are equipped with round gleitbretter (11), be equipped with on coal pulverizer pull rod (2) through-hole (12), go up inside ball retainer plate (13) of being equipped with of through-hole (12), upward be equipped with on ball retainer plate (13) and go up sealing washer (14), go up inside a plurality of metal ball (7) of ball retainer plate (13), upward be equipped with on sealing washer (14) and prevent dust ring (15).
2. The coal mill pull rod sealing device according to claim 1, characterized in that the sealing device housing (1) is provided with a noise reduction plate (16) at its periphery.
3. The coal mill pull rod sealing device according to claim 2, characterized in that the noise reduction plate (16) is provided with a shock absorption fixing frame (17) at the periphery, and a shock absorption spring (18) is arranged inside the shock absorption fixing frame (17).
4. The coal mill pull rod sealing device according to claim 3, characterized in that the damping spring (18) is provided with a spring fixing block (19) at the periphery.
5. The coal pulverizer pull rod sealing device according to claim 3, wherein a lubricating mechanism is arranged on the shock absorption fixing frame (17), the lubricating mechanism comprises a lubricating mounting frame (20), a lubricating bottle (21) is arranged on the lubricating mounting frame (20), lubricating oil (22) is arranged in the lubricating bottle (21), an oil dripping port (23) is arranged below the lubricating oil (22), and an inclined plate (24) is arranged below the oil dripping port (23).
6. The coal mill pull rod sealing device according to claim 1, wherein a temperature sensor (25) is arranged on one side of the sealing device housing (1), an acoustic alarm (26) is arranged on the temperature sensor (25), and the acoustic alarm (26) is electrically connected with the temperature sensor (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021959692.XU CN212959842U (en) | 2020-09-09 | 2020-09-09 | Coal pulverizer pull rod sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021959692.XU CN212959842U (en) | 2020-09-09 | 2020-09-09 | Coal pulverizer pull rod sealing device |
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| Publication Number | Publication Date |
|---|---|
| CN212959842U true CN212959842U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021959692.XU Active CN212959842U (en) | 2020-09-09 | 2020-09-09 | Coal pulverizer pull rod sealing device |
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| CN (1) | CN212959842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958713A (en) * | 2021-10-29 | 2022-01-21 | 华能秦煤瑞金发电有限责任公司 | Hydraulic pull rod sealing device of medium-speed coal mill |
-
2020
- 2020-09-09 CN CN202021959692.XU patent/CN212959842U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958713A (en) * | 2021-10-29 | 2022-01-21 | 华能秦煤瑞金发电有限责任公司 | Hydraulic pull rod sealing device of medium-speed coal mill |
| CN113958713B (en) * | 2021-10-29 | 2023-10-10 | 华能秦煤瑞金发电有限责任公司 | Hydraulic pull rod sealing device of medium-speed coal mill |
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