CN116066626A - Packing gland of special floating ball valve of powder slag - Google Patents
Packing gland of special floating ball valve of powder slag Download PDFInfo
- Publication number
- CN116066626A CN116066626A CN202310142134.6A CN202310142134A CN116066626A CN 116066626 A CN116066626 A CN 116066626A CN 202310142134 A CN202310142134 A CN 202310142134A CN 116066626 A CN116066626 A CN 116066626A
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- CN
- China
- Prior art keywords
- transmission shaft
- gland
- wall
- spring
- packing
- 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.)
- Pending
Links
- 210000004907 gland Anatomy 0.000 title claims abstract description 47
- 238000012856 packing Methods 0.000 title claims abstract description 42
- 239000000843 powder Substances 0.000 title claims abstract description 21
- 238000007667 floating Methods 0.000 title claims abstract description 19
- 239000002893 slag Substances 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 88
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 10
- 238000005381 potential energy Methods 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005008 domestic process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/023—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles
- F16K41/026—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles for rotating valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a packing gland of a special floating ball valve for powder slag, and relates to the technical field of valves; the valve comprises a valve body with two ends provided with valve seats in a sealing way, and a ball body is arranged in the valve seat; one end of the transmission shaft is connected with the sphere, and the other end of the transmission shaft is used for being connected with the actuator so as to drive the sphere to rotate; the transmission shaft bracket is fixed at the top of the valve body, the transmission shaft penetrates through the transmission shaft bracket and then is connected with the ball body, and a filler is arranged in a filler bin formed between the inner wall of the transmission shaft bracket and the outer wall of the transmission shaft; the pressing tongue is arranged between the outer wall of the transmission shaft and the inner wall of the transmission shaft bracket so as to seal and press the filler; the gland is fixedly connected with the top of the transmission shaft bracket, the gland is movably sleeved on the transmission shaft, a spring is arranged in the gland, one end of the spring is connected with the top in the gland, and the other end of the spring is connected with the gland tongue. According to the packing gland of the special floating ball valve for powder slag, disclosed by the invention, packing can be pressed by compression potential energy of the spring after packing loss, so that the tightness of a packing bin is maintained.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a packing gland of a floating ball valve special for powder slag.
Background
The ball valve special for powder slag is widely used for pipes with severe working conditions such as steel smelting, petrochemical industry, coal chemical industry, mines, urban construction and the like. However, the products on the market at present can not completely meet the domestic process conditions, and the domestic environment-friendly requirements are gradually improved, so that a plurality of factories which can raise dust at will originally are also required to be fully sealed and are changed into pipeline transportation, and a plurality of transportation particles, pipeline powder and the like are randomly generated. Especially in the existing injection system of ironworks, the medium is mainly pulverized coal, and the medium is easy to attach and block, so that the switch is not in place, and the scouring internal leakage is formed, and the working condition is extremely bad.
The conventional ball valve with hard seal and soft seal can not meet the sealing requirements of severe and severe working conditions containing high-pressure gas and high-solubility coal powder and requiring high-frequency switching times. For example, a blast furnace coal injection system has bad industrial and mining conditions, requires a high-frequency switch of a valve at a smaller caliber part, and requires zero leakage and long service life of the valve, which cannot be achieved by the conventional ball valve structure. Therefore, a special floating ball valve for powder slag, which can meet the sealing requirements of severe working conditions such as a coal injection system, still has certain defects, and after long-time use, the packing of the floating ball valve is easy to lose, and the tightness in a packing bin is reduced after the loss, so that the use of the ball valve is influenced, the packing of the ball valve is required to be replaced and added frequently, and the working efficiency is influenced.
Disclosure of Invention
The invention aims to provide a packing gland of a special floating ball valve for powder slag, which solves the problems in the prior art, and can compress packing through compression potential energy of a spring after packing loss, so that the tightness of a packing bin is maintained.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a packing gland of a special floating ball valve for powder slag, which comprises a valve body, wherein valve seats are arranged at two ends of the valve body in a sealing manner, and a ball body is arranged in the valve seats;
one end of the transmission shaft is connected with the sphere, and the other end of the transmission shaft is used for being connected with an actuator so as to drive the sphere to rotate;
the transmission shaft bracket is fixed at the top of the valve body, the transmission shaft penetrates through the transmission shaft bracket and then is connected with the ball body, a filling bin is formed between the inner wall of the transmission shaft bracket and the outer wall of the transmission shaft, and filling is arranged in the filling bin;
the pressing tongue is arranged between the outer wall of the transmission shaft and the inner wall of the transmission shaft bracket so as to seal and press the filler;
the gland, the gland with transmission shaft support top fixed connection, the gland movable sleeve is located on the transmission shaft, be equipped with the spring in the gland, spring one end with top is connected in the gland, the other end with the gland tongue is connected.
Optionally, the spring is a belleville spring, belleville spring cover is located on the transmission shaft, just belleville spring one end with the top butt in the gland, the other end with the tongue butt.
Optionally, the spring is belleville spring, the recess has been seted up to the gland bottom, recess central point puts the department and has seted up the through-hole, the transmission shaft wears to locate in the through-hole, be equipped with in the recess belleville spring, a plurality of belleville springs are encircled and are located the transmission shaft outside, belleville spring one end with top fixed connection in the recess, the other end with press the tongue butt.
Optionally, the gland is fixedly and hermetically connected with the transmission shaft bracket through a bolt.
Optionally, the device further comprises a transmission shaft bushing, wherein the transmission shaft bushing is arranged between the outer wall of the transmission shaft and the inner wall of the transmission shaft bracket, and the filler is positioned at one side of the transmission shaft bushing away from the sphere;
the anti-thrust pad is arranged between the outer wall of the transmission shaft and the inner wall of the transmission shaft bracket, and is positioned between the filler and the transmission shaft bushing.
Optionally, the anti-thrust device further comprises a sealing ring, wherein the sealing ring is arranged between the outer wall of the transmission shaft and the inner wall of the transmission shaft bracket, and the sealing ring is positioned between the anti-thrust pad and the sphere.
Compared with the prior art, the invention has the following technical effects:
according to the invention, the disc spring structure is arranged above the filling bin, so that when the filling material in the filling bin is lost, the elastic potential energy of the disc spring can squeeze the residual filling material to fill the lost space, the problem of poor sealing caused by the loss of the filling material is avoided, the filling material is not required to be maintained and added frequently, the service life of the ball valve is prolonged, the ball valve is suitable for working conditions with small particle content in a medium and low proportion, such as a blast furnace coal injection system, and the sealing requirements of a small-caliber pipeline, high medium pressure and high switching frequency can be met. Has the advantages of high performance, high benefit, low maintenance rate, low cost and convenient installation in a place with larger space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed 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 other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a packing gland of a special floating ball valve for powder slag;
FIG. 2 is a schematic perspective view of FIG. 1;
reference numerals illustrate: 100-packing gland of a special floating ball valve for powder slag, 1-valve body, 2-transmission shaft bracket, 3-sphere, 4-transmission shaft, 5-packing bin, 6-pressing tongue, 7-gland, 8-belleville spring, 9-transmission shaft bushing, 10-thrust pad and 11-sealing 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.
The invention aims to provide a packing gland of a special floating ball valve for powder slag, which solves the problems in the prior art, and can compress packing through compression potential energy of a spring after packing loss, so that the tightness of a packing bin is maintained.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1
As shown in fig. 1 and 2, the embodiment provides a packing gland 100 of a floating ball valve special for powder slag, which comprises a valve body 1, wherein a transmission shaft bracket 2 is fixedly inserted into the top of the valve body 1, valve seats are arranged at two ends in the valve body 1 in a sealing manner, a ball 3 is arranged in the valve seat, and a transmission shaft 4 penetrates through the transmission shaft bracket 2; one end of a transmission shaft 4 penetrates through the transmission shaft bracket 2 and then is connected with the sphere 3, the transmission shaft 4 and the sphere 3 can be connected by adopting keys, and the other end of the transmission shaft 4 is used for connecting an actuator so as to drive the sphere 3 to rotate; a filling bin 5 is formed between the inner wall of the transmission shaft bracket 2 and the outer wall of the transmission shaft 4, and filling is arranged in the filling bin 5; a pressing tongue 6 is arranged above the packing, and the pressing tongue 6 is arranged between the outer wall of the transmission shaft 4 and the inner wall of the transmission shaft bracket 2 so as to seal and press the packing; the top of the transmission shaft bracket 2 is fixedly connected with a gland 7 through a bolt, the gland 7 is movably sleeved on the transmission shaft 4, the bottom of the gland 7 is provided with a groove, the center of the groove is provided with a through hole, the transmission shaft 4 penetrates through the through hole, a disc spring 8 is arranged in the groove, the disc spring 8 is sleeved on the transmission shaft 4, one end of the disc spring 8 is abutted with the inner top of the groove of the gland 7, and the other end is abutted with the gland tongue 6; a transmission shaft bushing 9, a thrust pad 10 and a sealing ring are also arranged between the outer wall of the transmission shaft 4 and the inner wall of the transmission shaft bracket 2, and the packing is positioned at one side of the transmission shaft bushing 9 far away from the sphere 3; the thrust pad 10 is arranged between the outer wall of the transmission shaft 4 and the inner wall of the transmission shaft bracket 2, and the thrust pad 10 is positioned between the filler and the transmission shaft bushing 9; the outer wall of the transmission shaft 4 is provided with a sealing groove 11 for embedding a sealing ring, the sealing ring is arranged between the sealing groove 11 and the inner wall of the transmission shaft bracket 2, and the sealing ring is positioned between the thrust pad 10 and the ball body 3. Therefore, when the packing in the packing bin 5 is damaged, the ball valve does not need to stop working, open and replace and add the packing like a traditional ball valve, the elastic potential energy of the belleville spring 8 always presses the pressing tongue 6 and has a pressing force on the packing, when the packing is damaged, the spring stretches and continuously presses the packing to fill the space generated by the packing loss, so that the packing always has a very good sealing effect, the packing does not need to be replaced and added frequently, and the service life of the ball valve is prolonged.
Example two
The embodiment is a further improvement made on the basis of the embodiment, and the embodiment is different from the embodiment in that a plurality of disc springs 8 are arranged, specifically, a groove is formed in the bottom of a gland 7, a through hole is formed in the center of the groove, a transmission shaft 4 is arranged in the through hole in a penetrating mode, a plurality of disc springs 8 are arranged in the groove, the plurality of disc springs 8 are arranged on the outer side of the transmission shaft 4 in a surrounding mode, one ends of the plurality of disc springs 8 are fixedly connected with the inner top of the groove, the other ends of the plurality of disc springs 8 are abutted to a pressing tongue 6, so that the plurality of disc springs 8 act cooperatively, the extrusion effect of spring potential energy on packing is better, and the service life of the ball valve is longer.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (6)
1. The utility model provides a special floating ball valve's of powder slag gland which characterized in that: the valve comprises a valve body, wherein valve seats are arranged at two ends of the valve body in a sealing manner, and a ball body is arranged in the valve seats;
one end of the transmission shaft is connected with the sphere, and the other end of the transmission shaft is used for being connected with an actuator so as to drive the sphere to rotate;
the transmission shaft bracket is fixed at the top of the valve body, the transmission shaft penetrates through the transmission shaft bracket and then is connected with the ball body, a filling bin is formed between the inner wall of the transmission shaft bracket and the outer wall of the transmission shaft, and filling is arranged in the filling bin;
the pressing tongue is arranged between the outer wall of the transmission shaft and the inner wall of the transmission shaft bracket so as to seal and press the filler;
the gland, the gland with transmission shaft support top fixed connection, the gland movable sleeve is located on the transmission shaft, be equipped with the spring in the gland, spring one end with top is connected in the gland, the other end with the gland tongue is connected.
2. The packing gland of the powder slag dedicated floating ball valve according to claim 1, wherein: the spring is a belleville spring, the belleville spring is sleeved on the transmission shaft, one end of the belleville spring is abutted with the inner top of the gland, and the other end of the belleville spring is abutted with the gland.
3. The packing gland of the powder slag dedicated floating ball valve according to claim 1, wherein: the spring is belleville spring, the recess has been seted up to the gland bottom, recess central point puts the department and has seted up the through-hole, the transmission shaft wears to locate in the through-hole, be equipped with in the recess belleville spring, a plurality of belleville springs are encircled and are located the transmission shaft outside, belleville spring one end with top fixed connection in the recess, the other end with press the tongue butt.
4. The packing gland of the powder slag dedicated floating ball valve according to claim 1, wherein: the gland is fixedly and hermetically connected with the transmission shaft bracket through bolts.
5. The packing gland of the powder slag dedicated floating ball valve according to claim 1, wherein: the transmission shaft support is characterized by further comprising a transmission shaft bushing, wherein the transmission shaft bushing is arranged between the outer wall of the transmission shaft and the inner wall of the transmission shaft support, and the filler is positioned at one side, far away from the sphere, of the transmission shaft bushing;
the anti-thrust pad is arranged between the outer wall of the transmission shaft and the inner wall of the transmission shaft bracket, and is positioned between the filler and the transmission shaft bushing.
6. The packing gland of the powder slag special floating ball valve according to claim 5, wherein: still include the sealing washer, the sealing washer set up in between the outer wall of transmission shaft and the inner wall of transmission shaft support, just the sealing washer is located thrust pad with between the spheroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310142134.6A CN116066626A (en) | 2023-02-14 | 2023-02-14 | Packing gland of special floating ball valve of powder slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310142134.6A CN116066626A (en) | 2023-02-14 | 2023-02-14 | Packing gland of special floating ball valve of powder slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116066626A true CN116066626A (en) | 2023-05-05 |
Family
ID=86181865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310142134.6A Pending CN116066626A (en) | 2023-02-14 | 2023-02-14 | Packing gland of special floating ball valve of powder slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116066626A (en) |
-
2023
- 2023-02-14 CN CN202310142134.6A patent/CN116066626A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231220 Address after: No. 1473 Qingliu East Road, Chuzhou City, Anhui Province, 239000 Applicant after: Anhui min Zhi Yu Valve Technology Co.,Ltd. Address before: 239000 Room 102, No. 1, 1473 East Road, Chuzhou, Anhui. Applicant before: Hong Delong |