CN205155138U - Ball mill tube body bolt hole seal structure - Google Patents
Ball mill tube body bolt hole seal structure Download PDFInfo
- Publication number
- CN205155138U CN205155138U CN201520909456.XU CN201520909456U CN205155138U CN 205155138 U CN205155138 U CN 205155138U CN 201520909456 U CN201520909456 U CN 201520909456U CN 205155138 U CN205155138 U CN 205155138U
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- CN
- China
- Prior art keywords
- conical surface
- washer
- bolt hole
- seal ring
- chimb
- 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.)
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Abstract
The utility model provides a ball mill tube body bolt hole seal structure, including bolt, nut, sealing washer and the conical surface washer who is used for installing the welt, the screw rod of bolt stretches out outside the barrel after passing the bolt hole of welt and barrel from the barrel in in proper order, sealing washer and conical surface washer adorn outward on the screw rod of bolt from the barrel in proper order, and reuse tighten nut makes the sealing washer hug closely the barrel outer wall, barrel outer wall department ream around the bolt hole has a conical surface hole, the sealing washer is elastic rubber ring, the upper and lower terminal surface of sealing washer is the conical surface, conical surface washer's periphery is equipped with round and water flat line looks vertically chimb, the external diameter of sealing washer is less than the internal diameter of conical surface washer chimb, the marginal thickness of sealing washer is greater than the height of conical surface washer chimb. When screwing up the nut, the sealing washer can closely be laminated with barrel conical surface hole like this, and conical surface washer's chimb can prevent that the sealing washer from being extruded the conical surface washer production and breaking and cause seal failure.
Description
Technical field
The utility model relates to a kind of for industry centric drive ball grinding machines such as mine, metallurgy, electric power, building materials, particularly a kind of sealing configuration of bolt hole for ball mill barrel being installed liner plate.
Background technique
Pebble mill is a kind of ore dressing milling equipment, working portion mainly concentrates on cylindrical shell, for preventing barrel wear, inner barrel is provided with abrasion-proof backing block, and be bolted on cylindrical shell, for increasing grinding efficiency, inner barrel adds a certain amount of steel ball, leave and grinding material drive steel ball and material to reach a certain height when cylindrical shell rotary work after, so cylindrical shell bolt operationally will be subject to huge impact force and extruding force, bolt is produced loosen, thus cause material to leak out from cylindrical shell bolt hole, in wet ball mill, this situation is especially serious, so not only waste material, affect cylindrical shell specious, also severe contamination is caused to environment, so it is very important to carry out encapsulation process to bolt hole.
Usually all seal ring can be used at present to the sealing of bolt hole, but the outer wall due to cylindrical shell is cylindrical, around curved surface, such Mi Quan pad just can not contact cylindrical shell completely effectively, and nut easily makes seal ring break, so traditional sealing configuration can not seal the bolt hole of cylindrical shell effectively when twisting too tight.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of sealing effect better ball mill barrel bolt hole sealing configuration.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of ball mill barrel bolt hole sealing configuration, comprise the bolt for installing liner plate, nut, seal ring and taper faced washer, the screw rod of described bolt in cylindrical shell successively through stretching out cylindrical shell after the bolt hole of liner plate and cylindrical shell, described seal ring and taper faced washer are contained on the screw rod of bolt successively from cylindrical shell, use nut screwing clamping again, make seal ring be close to cylinder body outer wall; Cylinder body outer wall place ream around described bolt hole has a conical hole; Described seal ring is elastic rubber ring, and the upper and lower end face of described seal ring is the conical surface; The periphery of described taper faced washer is provided with a circle and the perpendicular chimb of horizontal line; The external diameter of described seal ring is less than the internal diameter of described taper faced washer chimb, and the edge thickness of described seal ring is greater than the height of described taper faced washer chimb.
In technique scheme, because the cylinder body outer wall place ream around bolt hole has a conical hole, the upper and lower end face of seal ring is also the conical surface, and such seal ring just can contact with cylinder body outer wall completely effectively, increases area of contact; Because taper faced washer is provided with a circle and the perpendicular chimb of horizontal line, the external diameter of described seal ring is less than the internal diameter of described taper faced washer chimb, the edge thickness of described seal ring is greater than the height of described taper faced washer chimb, like this when fastening nut, seal ring can produce resiliently deformable because of being under pressure on the one hand, itself and cylindrical shell conical hole are fitted tightly, but simultaneously because be subject to the restriction of taper faced washer chimb, seal ring can wrap up by taper faced washer chimb effectively, prevents seal ring to be extruded taper faced washer generation and breaks and cause seal failure.
The further technological scheme of the utility model is: the cylinder body outer wall place ream around described bolt hole has the conical hole of 150 °-170 °; The upper and lower end face of described seal ring is the conical surface of 150 °-170 °; The internal surface of described taper faced washer is the conical surface of 150 °-170 °.
Preferably, the cylinder body outer wall place ream around described bolt hole has the conical hole of 160 °, and the upper and lower end face of described seal ring is the conical surface of 160 °, and the internal surface of described taper faced washer is the conical surface of 160 °.
Preferably, described taper faced washer is steel workpiece.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is cylindrical shell bolt hole structure schematic diagram of the present utility model;
Fig. 3 is ring structure schematic diagram of the present utility model;
Fig. 4 is taper faced washer structural representation of the present utility model;
Reference character is:
1---bolt 11---screw rod 2---liner plate
3---cylindrical shell 31---conical hole 4---seal rings
5---taper faced washer 51---chimb 6---nuts.
Embodiment
As Figure 1-3, preferred embodiment of the present utility model is: a kind of ball mill barrel bolt hole sealing configuration, comprise the bolt 1 for installing liner plate 2, nut 6, seal ring 4 and taper faced washer 5, the screw rod 11 of described bolt 1 in cylindrical shell 3 successively through stretching out cylindrical shell 3 after the bolt hole of liner plate 2 and cylindrical shell 3, described seal ring 4 and taper faced washer 5 are contained on the screw rod 11 of bolt 1 successively from cylindrical shell 3, tighten with nut 6 again, make seal ring 4 be close to the outer wall of cylindrical shell 3; Cylinder body outer wall place ream around described bolt hole has the conical hole 31 of 160 °; Described seal ring 4 is elastic rubber ring, and the upper and lower end face of described seal ring 4 is the conical surface of 160 °; Described taper faced washer 5 is steel workpiece, and its internal surface is the conical surface of 160 °, and the periphery of described taper faced washer 5 is provided with a circle and the perpendicular chimb 51 of horizontal line; The external diameter of described seal ring 4 is less than the internal diameter of described taper faced washer chimb 51, and the edge thickness of described seal ring 4 is greater than the height of described taper faced washer chimb 51.
In technique scheme, because the cylinder body outer wall place ream around bolt hole has a conical hole 31, the upper and lower end face of seal ring 4 is also the conical surface, and such seal ring 4 just can contact with cylinder body outer wall completely effectively, adds area of contact, because taper faced washer 5 is provided with a circle and the perpendicular chimb 51 of horizontal line, the external diameter of described seal ring 4 is less than the internal diameter of described taper faced washer chimb 51, the edge thickness of described seal ring 4 is greater than the height of described taper faced washer chimb 51, like this when fastening nut 6, seal ring 4 one aspect can produce resiliently deformable because of being under pressure, itself and cylindrical shell conical hole 31 are fitted tightly, but simultaneously because be subject to the restriction of taper faced washer chimb 51, seal ring 4 can wrap up by taper faced washer chimb 51 effectively, prevent from seal ring 4 to be extruded taper faced washer generation break and cause seal failure.
Above-described embodiment is the utility model preferably implementation, and in addition, the utility model can also realize by alternate manner, and under the prerequisite not departing from the technical program design, any apparent replacement is all within protection domain of the present utility model.
The improvements of the utility model relative to prior art are understood more easily in order to allow those of ordinary skill in the art, accompanying drawings more of the present utility model and description are simplified, and for the sake of clarity, present specification is omitted some other elements, and those of ordinary skill in the art it is to be appreciated that these abridged elements also can form content of the present utility model.
Claims (5)
1. a ball mill barrel bolt hole sealing configuration, comprise the bolt (1) for installing liner plate (2), nut (6), seal ring (4) and taper faced washer (5), the screw rod (11) of described bolt (1) in cylindrical shell (3) successively through stretching out cylindrical shell (3) after the bolt hole of liner plate (2) and cylindrical shell (3), described seal ring (4) and taper faced washer (5) are contained on the screw rod (11) of bolt (1) successively from cylindrical shell (3), use nut (6) to tighten again, make seal ring (4) be close to the outer wall of cylindrical shell (3); It is characterized in that: the cylinder body outer wall place ream around described bolt hole has a conical hole (31); Described seal ring (4) is elastic rubber ring, and the upper and lower end face of described seal ring (4) is the conical surface; The periphery of described taper faced washer (5) is provided with a circle and the perpendicular chimb (51) of horizontal line; The external diameter of described seal ring (4) is less than the internal diameter of described taper faced washer chimb (51), and the edge thickness of described seal ring (4) is greater than the height of described taper faced washer chimb (51).
2. ball mill barrel bolt hole sealing configuration according to claim 1, is characterized in that: the cylinder body outer wall place ream around described bolt hole has the conical hole (31) of 150 °-170 °; The upper and lower end face of described seal ring (4) is the conical surface of 150 °-170 °; The internal surface of described taper faced washer (5) is the conical surface of 150 °-170 °.
3. ball mill barrel bolt hole sealing configuration according to claim 1 and 2, it is characterized in that: the cylinder body outer wall place ream around described bolt hole has the conical hole (31) of 160 °, the upper and lower end face of described seal ring (4) is the conical surface of 160 °, and the internal surface of described taper faced washer (5) is the conical surface of 160 °.
4. ball mill barrel bolt hole sealing configuration according to claim 1 and 2, is characterized in that: described taper faced washer (5) is steel workpiece.
5. ball mill barrel bolt hole sealing configuration according to claim 3, is characterized in that: described taper faced washer (5) is steel workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909456.XU CN205155138U (en) | 2015-11-16 | 2015-11-16 | Ball mill tube body bolt hole seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909456.XU CN205155138U (en) | 2015-11-16 | 2015-11-16 | Ball mill tube body bolt hole seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205155138U true CN205155138U (en) | 2016-04-13 |
Family
ID=55690832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520909456.XU Active CN205155138U (en) | 2015-11-16 | 2015-11-16 | Ball mill tube body bolt hole seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205155138U (en) |
-
2015
- 2015-11-16 CN CN201520909456.XU patent/CN205155138U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |