CN213078644U - Tube bolt packing sealing structure and rod mill applying same - Google Patents
Tube bolt packing sealing structure and rod mill applying same Download PDFInfo
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- CN213078644U CN213078644U CN202020902691.5U CN202020902691U CN213078644U CN 213078644 U CN213078644 U CN 213078644U CN 202020902691 U CN202020902691 U CN 202020902691U CN 213078644 U CN213078644 U CN 213078644U
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Abstract
The utility model relates to a body bolt packing structure and use this seal structure's rod mill relates to the technical field of rod mill, including body, body inside lining, connecting bolt and fastening nut, be equipped with the rubber seal layer between body and the body inside lining, connecting bolt wears to establish body and body inside lining in proper order, just the connecting bolt tip wears to locate in the body inside lining, connecting bolt's outside cover is equipped with the filler piece, the outside cover of filler piece is equipped with the sleeve pipe, one side that the body was kept away from to the sleeve pipe is provided with the apron with filler piece in close contact with, connecting bolt wears to locate in the apron, fastening nut and the mutual butt of one side that the body was kept away from to the apron. Still including the rod mill, including foretell body bolt packing structure. The utility model discloses the better effect of sealing performance has.
Description
Technical Field
The utility model belongs to the technical field of the technique of rod mill and specifically relates to a tube bolt packing seal structure and use rod mill of this seal structure is related to.
Background
The rod mill is a mill in which a grinding body loaded in a cylinder is a steel rod. The continuous rotation of the cylinder body enables the steel bar to continuously rub and collide with the materials, so that the originally complete materials are crushed. Because the inside wall collision and the friction of rod iron and material constantly with the barrel lead to the inside wall wearing and tearing of barrel very fast. Therefore, in order to solve this problem, a liner is usually fixed to the inner wall of the can, and when the liner is corroded, the can be reused by replacing the liner.
The existing barrel and barrel lining are usually fixed in a bolt connection mode, so that materials are prevented from leaking from the bolt connection position, specifically, the rubber sealing layer is arranged between the barrel and the barrel lining as in the utility model with the publication number of CN204729443U, the device comprises a barrel and the barrel lining, the rubber sealing layer is connected with a fastening nut through the connecting bolt, the bolt is a T-shaped bolt, a rubber gasket and a metal gasket are arranged between the fastening nut and the outer wall of the barrel, the two sides of the rubber gasket are provided with four convex rings including a convex ring I, a convex ring II, a convex ring III and a convex ring IV, the metal gasket is a bowl-shaped steel gasket, the rubber gasket is arranged in the concave surface of the bowl-shaped steel gasket, and double sealing is realized through the compression of the fastening nut.
The above prior art solutions have the following drawbacks: because the barrel inside lining and the barrel are connected through the bolts, when the rod mill is started, or the steel rod collides with the barrel inside lining in normal operation, the barrel inside lining and the barrel tend to rotate relatively, and the mode of adopting the bolt connection can lead to twisting between the rubber gasket and the pipe body under the condition, so that the material leaks, and therefore the bolt connection structure with better sealing performance is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a body bolt packing structure that sealing performance is better.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a body bolt packing structure, includes body, body inside lining, connecting bolt and fastening nut, be equipped with the rubber seal layer between body and the body inside lining, connecting bolt wears to establish body and body inside lining in proper order, just the connecting bolt tip wears to locate in the body inside lining, connecting bolt's outside cover is equipped with the packing, the outside cover of packing is equipped with the sleeve pipe, one side that the body was kept away from to the sleeve pipe is provided with the apron with packing in close contact with, connecting bolt wears to locate in the apron, fastening nut and the mutual butt of one side that the body was kept away from to the apron.
Through adopting above-mentioned technical scheme, seal through the sealed mode of packing between bolt and the body, wherein the sleeve pipe mainly plays the purpose of compression packing with the sealed effect that improves the packing with the apron, when connecting bolt takes place the drunkenness, the packing can fill the space that produces between body and the bolt, it leaks from the space to hinder the material in the body inside lining, the structural strength in the packing outside has been improved in the setting of body simultaneously, the intensity of packing has been strengthened through setting up of sleeve pipe and apron simultaneously, it takes place the drunkenness to make connecting bolt more difficult, compare in the sealed mode of rubber seal board and compare, sealed effect is better.
The present invention may be further configured in a preferred embodiment as: the sleeve is fixedly connected with the pipe body through welding.
Through adopting above-mentioned technical scheme, can fix between mode messenger's sleeve pipe and the body through welded fastening, avoid taking place the drunkenness between sleeve pipe and the body, and then improved the structural strength of packing to sealing performance has further been improved.
The present invention may be further configured in a preferred embodiment as: the cover plate is provided with a limiting part which is arranged in the sleeve in a penetrating way and is mutually abutted against the inner side wall of the sleeve.
Through adopting above-mentioned technical scheme, the setting up of spacing portion makes can't take place radial skew between sleeve pipe and the apron, makes the apron block well that connecting bolt takes place radial float and skew, and then further improves sealing performance.
The present invention may be further configured in a preferred embodiment as: the packing piece is spirally sleeved on the connecting bolt.
The present invention may be further configured in a preferred embodiment as: the material of the filler piece is asbestos fabric or carbon fiber or flexible graphite.
Through adopting above-mentioned technical scheme, the better dispersion of the power that spiral helicine structure made on the packing for the atress of packing is more even, and it is better to fill sealed effect, and life is longer.
The present invention may be further configured in a preferred embodiment as: and one side of the fastening nut, which is far away from the cover plate, is provided with a locknut which is abutted against the fastening nut and is in threaded connection with the connecting bolt.
Through adopting above-mentioned technical scheme, lock nut can hinder fastening nut and connecting bolt to take place the condition that the pine takes off, improves the pressure that the apron compressed tightly the packing, and then improves sealing performance.
The present invention may be further configured in a preferred embodiment as: one side of the end part of the connecting bolt, which is close to the screw rod, is provided with an inclined part which inclines.
Through adopting above-mentioned technical scheme, the setting up of rake makes when connecting bolt screws up with fastening bolt, makes connecting bolt and body tighter and tighter through mutually supporting with the body inside lining, and then improves the joint strength between connecting bolt and body and the body inside lining, reduces the possibility that takes place the drunkenness.
The present invention may be further configured in a preferred embodiment as: the pipe body is provided with a through ring groove for the sleeve to penetrate through.
Through adopting above-mentioned technical scheme, wear to establish setting up of annular and play the effect of preinstallation, avoid taking place to rock and lead to welded sleeve pipe to take place to squint between welded in-process sleeve pipe and body.
The present invention may be further configured in a preferred embodiment as: the sheathed tube periphery wall just is located the one end that is close to the body and is provided with the locating piece, just be located on the body and be provided with the groove of wearing to establish that supplies the locating piece to wear to establish on wearing to establish the lateral wall of annular.
Through adopting above-mentioned technical scheme, the setting of locating piece has hindered the sleeve pipe and has taken place circumferential direction at the in-process of pre-installation, and then has further improved the intensity of sleeve pipe pre-installation, avoids taking place the skew.
The second purpose of the utility model is to provide a rod mill that sealing performance is better.
The above utility model discloses an above-mentioned utility model purpose secondly can realize through following technical scheme:
a rod mill comprises the pipe body bolt packing sealing structure.
By adopting the technical scheme, the bolt and the pipe body are sealed in a packing sealing mode, when the connecting bolt moves, the packing piece can fill a gap generated between the pipe body and the bolt, the material in the lining of the pipe body is prevented from leaking from the gap, meanwhile, the structural strength of the outer side of the packing piece is improved by the arrangement of the pipe body, meanwhile, the strength of the packing piece is enhanced by the arrangement of the sleeve and the cover plate, the connecting bolt is not easy to move, and compared with a sealing mode of a rubber sealing plate, the sealing effect is better.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the sealing effect is better, and the connection strength is higher;
2. the arrangement of the limiting part prevents the sleeve and the cover plate from radially deviating, so that the cover plate can well prevent the connecting bolt from radially jumping and deviating, and the sealing performance is further improved;
3. the pre-installation mode avoids shaking between the sleeve and the pipe body in the welding process to cause the welded sleeve to deviate.
Drawings
Fig. 1 is a schematic structural view of a pipe body bolt packing seal structure in embodiment 1.
Fig. 2 is a schematic structural view of a pipe body bolt packing seal structure in embodiment 2.
Fig. 3 is a plan view of the pipe body bolt packing seal structure in embodiment 2.
FIG. 4 is a schematic view of the structure of the rod mill in example 3.
In the figure, 1, a tube body; 2. a pipe body lining; 3. a connecting bolt; 4. fastening a nut; 5. a locknut; 6. a rubber sealing layer; 7. a packing member; 8. a sleeve; 9. a cover plate; 31. an inclined portion; 21. a butt joint groove; 91. a limiting part; 11. the ring groove is penetrated; 81. positioning blocks; 12. a groove is arranged in a penetrating way; 101. a barrel; 102. a motor; 103. a speed reducer; 104. a support; 105. and a bearing seat.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, for the utility model discloses a body bolt packing structure, it includes body 1, body inside lining 2, connecting bolt 3, fastening nut 4 and locknut 5, is provided with rubber seal layer 6 between body 1 and the body inside lining 2, and connecting bolt 3 wears to establish body 1 and body inside lining 2 in proper order, and connecting bolt 3's tip wears to locate in body inside lining 2. The outside cover of connecting bolt 3 is equipped with packing 7, the outside cover of packing 7 is equipped with sleeve pipe 8, one side that body 1 was kept away from to sleeve pipe 8 is provided with the apron 9 with packing 7 in close contact with, connecting bolt 3 wears to locate in the apron 9, the mutual butt in one side that body 1 was kept away from to fastening nut 4 and apron 9, locknut 5 and connecting bolt 3 threaded connection set up in one side that fastening nut 4 kept away from apron 9, and with the mutual butt of fastening nut 4.
One side that connecting bolt 3's tip is close to the screw rod sets up to the slope 31 of leanin, and is corresponding, also be provided with on the body inside lining 2 with the butt groove 21 of slope 31 laminating each other and butt, slope 31's setting has increased the area of contact between connecting bolt 3 and the body inside lining 2 effectively, has improved the stability of being connected between connecting bolt 3 and the body inside lining 2 through the mode that improves area of contact, avoids connecting bolt 3 to take place to rock.
In this embodiment, the sleeve 8 may be a square tube, a circular tube or other polygonal tubes, and different shapes and structures may be selected according to the needs of actual situations, in this embodiment, the sleeve 8 is preferably configured as a circular tube, and one side of the sleeve 8 close to the tube body 1 is configured as an arc surface attached to the outer surface of the tube body 1 (since the radius of the actual tube body 1 is much larger than the radius of the sleeve 8, the surfaces of the tube body 1 and the tube body liner 2 may both be approximately seen as a plane, and therefore in the drawings of this embodiment, the surfaces of the tube body 1 and the tube body liner 2 are both replaced by a plane).
In order to further improve the connection strength between the sleeve 8 and the pipe body 1, the sleeve 8 and the pipe body 1 are fixed by welding.
The packing elements 7 are spirally sleeved on the screw rod of the connecting bolt 3, wherein the packing elements 7 can be made of asbestos fabrics, carbon fibers or flexible graphite, and the packing elements 7 can play a role in packing and sealing.
In order to further enhance the connection strength between the cover plate 9 and the sleeve 8, a limiting portion 91 is integrally disposed on the cover plate 9 and penetrates through the sleeve 8 to abut against the inner side wall of the sleeve 8. Wherein, spacing portion 91 and packing 7 closely laminate, in this embodiment, closely laminate and refer to packing 7 to the sleeve pipe 8 and keep away from the distance of the one end of body 1 and be greater than spacing portion 91's thickness, when apron 9 installs to sleeve pipe 8 on and until apron 9 and sleeve pipe 8 butt each other, spacing portion 91 can extrude packing 7, makes packing 7 deformation and be full of the cavity between sleeve pipe 8 and the apron 9, plays sealed effect.
The implementation principle of the embodiment is as follows:
during installation, firstly, the sleeve 8 is fixed on a preset position of the pipe body 1 in a welding mode, and the connecting bolt 3 sequentially penetrates through the pipe body lining 2 and the pipe body 1 through the inside;
secondly, sleeving the filler piece 7 on the connecting bolt 3 and placing the filler piece into the sleeve 8;
and finally, covering the cover plate 9, and sequentially screwing the fastening nut 4 and the locknut 5 to complete fixation.
Example 2:
the difference between this embodiment and embodiment 1 lies in, in order to make things convenient for 8 welding position of sleeve pipe to the predetermined position of body 1 on, be provided with on the body 1 and supply 8 structures of installing the location in advance of sleeve pipe, conveniently carry out follow-up welding, concrete structure is as follows:
referring to fig. 2 and 3, a through ring groove 11 for the sleeve 8 to penetrate is formed in the tube body 1, a positioning block 81 is integrally arranged at one end, close to the tube body 1, of the outer peripheral wall of the sleeve 8, and a through groove 12 for the positioning block 81 to penetrate is formed in the side wall, located on the through ring groove 11, of the tube body 1.
In this embodiment, it is preferable that the positioning blocks 81 are provided with four positioning blocks and the outer surface of the sleeve 8 is uniformly spaced.
Example 3:
referring to fig. 4, for the utility model discloses a rod mill, it includes barrel 101, motor 102, speed reducer 103 and support 104, the barrel 101 is provided with outer ring gear outward, the both ends of barrel 101 are rotated and are connected with bearing frame 105, bearing frame 105 passes through bolt fixed connection on support 104, motor 102 drive speed reducer 103 rotates, speed reducer 103 passes through gear engagement's mode with outer ring gear with motor 102's drive power transmission to barrel 101, make barrel 101 can take place to rotate.
The barrel 101 is further provided with a lining plate, the lining plate is connected with the barrel 101 in a bolt connection mode, the concrete connection structure is the bolt packing sealing structure of the pipe body 1 described in the embodiments 1 and 2, wherein the pipe body 1 is the barrel 101 in the embodiment, and the pipe body lining 2 is the lining plate in the embodiment.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a body bolt packing structure, includes body (1), body inside lining (2), connecting bolt (3) and fastening nut (4), be equipped with rubber seal layer (6) between body (1) and body inside lining (2), body (1) and body inside lining (2) are worn to establish in proper order in connecting bolt (3), just in body inside lining (2) are worn to locate by connecting bolt (3) tip, its characterized in that: the outer side of the connecting bolt (3) is sleeved with a packing element (7), the outer side of the packing element (7) is sleeved with a sleeve (8), one side, away from the pipe body (1), of the sleeve (8) is provided with a cover plate (9) in close contact with the packing element (7), the connecting bolt (3) is arranged in the cover plate (9) in a penetrating mode, and the fastening nut (4) and the cover plate (9) are abutted to each other on one side, away from the pipe body (1).
2. The tube bolt packing seal structure of claim 1, wherein: the sleeve (8) is fixedly connected with the pipe body (1) through welding.
3. The tube bolt packing seal structure of claim 1, wherein: the cover plate (9) is provided with a limiting part (91) which is arranged in the sleeve (8) in a penetrating way and is mutually abutted with the inner side wall of the sleeve (8).
4. The tube bolt packing seal structure of claim 1, wherein: the packing piece (7) is spirally sleeved on the connecting bolt (3).
5. The tube bolt packing seal structure of claim 4, wherein: the material of the packing element (7) is asbestos fabric or carbon fiber or flexible graphite.
6. The tube bolt packing seal structure of claim 1, wherein: and one side of the fastening nut (4) far away from the cover plate (9) is provided with a locknut (5) which is abutted against the fastening nut (4) and is in threaded connection with the connecting bolt (3).
7. The tube bolt packing seal structure of claim 1, wherein: one side of the end part of the connecting bolt (3) close to the screw rod is provided with an inclined part (31).
8. The tube bolt packing seal structure of claim 1, wherein: the pipe body (1) is provided with a through ring groove (11) for the sleeve (8) to penetrate through.
9. The tube bolt packing seal structure of claim 8, wherein: the periphery wall of sleeve pipe (8) and the one end that is located near body (1) are provided with locating piece (81), just be located on body (1) and be provided with on wearing to establish the lateral wall of annular (11) and supply wearing to establish groove (12) that wear to establish of locating piece (81).
10. A rod mill characterized by: a tubular body bolt packing arrangement including a tubular body bolt packing according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020902691.5U CN213078644U (en) | 2020-05-25 | 2020-05-25 | Tube bolt packing sealing structure and rod mill applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020902691.5U CN213078644U (en) | 2020-05-25 | 2020-05-25 | Tube bolt packing sealing structure and rod mill applying same |
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| Publication Number | Publication Date |
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| CN213078644U true CN213078644U (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020902691.5U Active CN213078644U (en) | 2020-05-25 | 2020-05-25 | Tube bolt packing sealing structure and rod mill applying same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060384A (en) * | 2021-09-30 | 2022-02-18 | 中国神华煤制油化工有限公司 | Bolt sealing structure of rod mill barrel and rod mill |
-
2020
- 2020-05-25 CN CN202020902691.5U patent/CN213078644U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060384A (en) * | 2021-09-30 | 2022-02-18 | 中国神华煤制油化工有限公司 | Bolt sealing structure of rod mill barrel and rod mill |
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