CN220238756U - Lining plate fixing structure - Google Patents
Lining plate fixing structure Download PDFInfo
- Publication number
- CN220238756U CN220238756U CN202321419928.4U CN202321419928U CN220238756U CN 220238756 U CN220238756 U CN 220238756U CN 202321419928 U CN202321419928 U CN 202321419928U CN 220238756 U CN220238756 U CN 220238756U
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- China
- Prior art keywords
- hole
- bolt
- lining plate
- rubber tube
- fixing structure
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- 239000011148 porous material Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a lining plate fixing structure, which comprises a first through hole formed in a lining plate, a second through hole formed in a cylinder body, a bolt for connecting the first through hole and the second through hole, a nut matched with the bolt and a rubber tube, wherein the bolt is inserted into the first through hole and the second through hole, an annular accommodating space is formed between the bolt and the first through hole as well as between the bolt and the second through hole, the rubber tube is sleeved on the bolt, and the nut is assembled on the free end of the bolt; in the lining plate fixing structure provided by the utility model, the bolt pore canal consists of the first through hole and the second through hole, the accommodating space is reserved between the bolt pore canal and the bolt, the rubber tube enters the accommodating space, when the bolt is loosened, the rubber tube recovers certain deformation, and at the moment, the rubber tube cannot completely fill the accommodating space, so that the bolt pore canal and the bolt can move mutually, and the aim of conveniently disassembling the bolt and replacing the lining plate is fulfilled.
Description
Technical Field
The utility model relates to the technical field of lining plate fixing structures, in particular to a lining plate fixing structure.
Background
The ball mill mainly comprises a cylinder body which is horizontally arranged, a lining plate which is arranged in the cylinder body, and a driving component; a certain number of wear-resistant balls are added in the material crushing machine, and the wear-resistant balls are used as media to crush the material;
the lining board is installed in the cylinder body through the bolt, after long-time use, the lining board can be caused to generate plastic deformation under the impact of materials and wear-resistant balls, so that bolt pore canals on the lining board are deformed and staggered with the bolt pore canals on the cylinder body, the bolt is difficult to detach, and improvement is needed.
Disclosure of Invention
In order to solve the technical problems in the background technology, the utility model provides a lining plate fixing structure.
The utility model provides a lining plate fixing structure which is used for installing a lining plate on the inner wall of a cylinder body of a ball mill and comprises a first through hole, a second through hole, a bolt, a nut and a rubber tube, wherein the first through hole is formed in the lining plate, the second through hole is formed in the cylinder body, the bolt is used for connecting the first through hole and the second through hole, the nut is matched with the bolt, the rubber tube is coaxially arranged, the bolt is inserted into the first through hole and the second through hole and extends out from the first through hole or the second through hole, an annular accommodating space is formed between the bolt and the first through hole and the second through hole, the rubber tube is sleeved on the bolt, the free end of the bolt enters the accommodating space, the nut is assembled on the free end of the bolt, and when the nut moves towards the direction of the rubber tube, the rubber tube is deformed and the accommodating space is filled.
Preferably, the bolt extends from the second through hole, and the first through hole extends to the periphery away from one end of the nut to form an annular groove for accommodating the end of the bolt.
Preferably, when the first through hole and the second through hole are coaxially arranged, the inner wall of the first through hole and the inner wall of the second through hole are in the same curved surface.
Preferably, the inner wall of the first through hole is uniformly provided with a plurality of first grooves along the axial direction thereof.
Preferably, the inner wall of the second through hole is uniformly provided with a plurality of second grooves along the axial direction thereof.
Preferably, the lining plate fixing structure further comprises two gaskets, the two gaskets are sleeved on the bolts, and the lining plate and the cylinder body are located between the two gaskets.
Preferably, one of the shims has a size smaller than the size of the annular groove.
According to the lining plate fixing structure, the bolt pore canal consists of the first through hole and the second through hole, the accommodating space is reserved between the bolt pore canal and the bolt, the rubber tube is sleeved on the bolt, so that the rubber tube enters the accommodating space, the rubber tube deforms and fills the accommodating space when being fastened until the lining plate is firmly installed in the cylinder body, when the bolt is loosened, the rubber tube recovers certain deformation, and at the moment, the rubber tube cannot completely fill the accommodating space, so that the bolt pore canal and the bolt can move mutually, and the aim of conveniently disassembling the bolt and replacing the lining plate is fulfilled.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a lining board fixing structure according to the present utility model;
FIG. 2 is a schematic view showing another state of an embodiment of a lining board fixing structure according to the present utility model;
FIG. 3 is a schematic structural view of another embodiment of a lining board fixing structure according to the present utility model;
FIG. 4 is a schematic view showing another state of another embodiment of a lining board fixing structure according to the present utility model;
FIG. 5 is a schematic diagram illustrating the arrangement of the first groove in the lining board fixing structure according to the present utility model;
fig. 6 is a schematic layout view of a second groove in a liner plate fixing structure according to the present utility model.
Detailed Description
Fig. 1 is a schematic structural view of an embodiment of a lining board fixing structure according to the present utility model.
Referring to fig. 1 and 2, the lining board fixing structure provided by the utility model is used for installing a lining board 1 on the inner wall of a barrel 2 of a ball mill, and comprises a first through hole 11 formed on the lining board 1, a second through hole 21 formed on the barrel 2, a bolt 3 used for connecting the first through hole 11 and the second through hole 21, a nut 4 matched with the bolt 3 and a rubber tube 5, wherein the first through hole 11 and the second through hole 21 are coaxially arranged, the bolt 3 is inserted into the first through hole 11 and the second through hole 21, and extends out of the first through hole 11 or the second through hole 21, an annular containing space 6 is formed between the bolt 3, the first through hole 11 and the second through hole 21, the rubber tube 5 is sleeved on the bolt 3, the free end of the bolt 3 enters the containing space 6, the nut 4 is assembled on the free end of the bolt 3, and when the nut 4 moves towards the direction of the rubber tube 5, the rubber tube 5 deforms and fills the containing space 6.
When the lining plate 1 is installed, the first through hole 11 on the lining plate 1 is aligned with the second through hole 21 on the cylinder 2, the rubber tube 5 is sleeved on the bolt 3, the bolt 3 is inserted into the first through hole 11 and the second through hole 21, at the moment, the rubber tube 5 enters the accommodating space 6 along with the bolt 3, the nut 4 is screwed when being fastened, the nut 4 is made to be close to the rubber tube 5, the rubber tube 5 deforms under the acting force of the bolt 3 and the nut 4 and fills the accommodating space 6 until the lining plate 1 is firmly installed in the cylinder 2, when the lining plate 1 is disassembled, the rubber tube 5 recovers certain sexual variable after loosening the nut 4, at the moment, the rubber tube 5 cannot completely fill the accommodating space 6, and the first through hole 11, the second through hole 21 and the bolt 3 can move mutually, so that the purpose of conveniently disassembling the bolt 3 and replacing the lining plate 1 is achieved.
Referring to fig. 2 and 3, in a further embodiment, the bolt 3 protrudes from the second through hole 21, and the first through hole 11 extends circumferentially away from the end of the nut 4 to form an annular groove 111 for receiving the end of the bolt 3.
Since the rubber tube 5 is deformed by the force between the bolt 3 and the nut 4, and the bolt 3 and the nut 4 can be moved only to the ends of the first through hole 11 and the second through hole 21, in this case, it is required that the size of the rubber tube 5 is larger than the total length of the first through hole 11 and the second through hole 21, and at the same time, the end of the bolt 3 is exposed in the cylinder 2 and is impacted by the wear-resistant ball to be deformed, even damaged; in this embodiment, the annular groove 111 for accommodating the end of the bolt 3 is formed at the end of the first through hole 11 far away from the nut 4, the end of the bolt 3 can enter the annular groove 111 to be hidden in the barrel 2, the barrel 2 can be protected, and meanwhile, the rubber tube 5 can be deformed under stress without being larger than the total length of the first through hole 11 and the second through hole 21, and the material can be saved.
Referring to fig. 3, in the specific structural design, when the first through hole 11 and the second through hole 21 are coaxially arranged, the inner wall of the first through hole 11 and the inner wall of the second through hole 21 are located in the same curved surface, so that the bolt 3 and the rubber tube 5 can be conveniently disassembled and assembled.
Referring to fig. 5 and 6, in a still further embodiment, the inner wall of the first through hole 11 is uniformly provided with a plurality of first grooves 112 in the axial direction thereof;
the inner wall of the second through hole 21 is uniformly provided with a plurality of second grooves 211 along the axial direction thereof.
In this embodiment, the first through hole 11 and the second through hole 12 are respectively provided with the first groove 112 and the second groove 211, and when the rubber tube 5 is deformed, the rubber tube can be filled into the first groove 112 and the second groove 211, so that the anti-torsion capability between the lining board 1 and the cylinder 2 can be further improved, and the fixing of the lining board 1 is more stable.
Referring to fig. 1 and 3, the liner plate fixing structure further includes two gaskets 7, the two gaskets 7 are sleeved on the bolt 3, and the liner plate 1 and the cylinder 2 are located between the two gaskets 7, wherein one of the gaskets 7 has a size smaller than that of the annular groove 111.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. A lining plate fixing structure is used for installing a lining plate (1) on the inner wall of a barrel (2) of a ball mill and is characterized by comprising a first through hole (11) formed in the lining plate (1), a second through hole (21) formed in the barrel (2), a bolt (3) used for connecting the first through hole and the second through hole, a nut (4) matched with the bolt (3) and a rubber tube (5), wherein the first through hole (11) and the second through hole (21) are coaxially arranged, the bolt (3) is inserted in the first through hole (11) and the second through hole (21), an annular containing space (6) is formed between the bolt (3) and the first through hole (11) and the second through hole (21), the rubber tube (5) is sleeved on the bolt (3), the free end of the bolt (3) enters the containing space (6), the nut (4) is assembled on the free end of the bolt (3), and the rubber tube (5) is deformed when the nut (4) moves towards the direction of the rubber tube (5).
2. A lining plate fixing structure according to claim 1, characterized in that the bolt (3) protrudes from the second through hole (21), and the end of the first through hole (11) remote from the nut (4) extends to the periphery to form an annular groove (111) for receiving the end of the bolt (3).
3. The lining plate fixing structure according to claim 1, wherein when the first through hole (11) and the second through hole (21) are coaxially arranged, the inner wall of the first through hole (11) and the inner wall of the second through hole (21) are in the same curved surface.
4. The lining plate fixing structure according to claim 1, wherein the inner wall of the first through hole (11) is uniformly provided with a plurality of first grooves (112) along the axial direction thereof.
5. The lining plate fixing structure according to claim 1, wherein the inner wall of the second through hole (21) is uniformly provided with a plurality of second grooves (211) along the axial direction thereof.
6. The lining plate fixing structure according to claim 1 or 2, further comprising two gaskets (7), wherein the two gaskets (7) are both sleeved on the bolt (3), and the lining plate (1) and the cylinder (2) are located between the two gaskets (7).
7. A liner plate securing structure according to claim 6, wherein one of said shims (7) has a size smaller than the size of the annular groove (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321419928.4U CN220238756U (en) | 2023-06-06 | 2023-06-06 | Lining plate fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321419928.4U CN220238756U (en) | 2023-06-06 | 2023-06-06 | Lining plate fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220238756U true CN220238756U (en) | 2023-12-26 |
Family
ID=89228821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321419928.4U Active CN220238756U (en) | 2023-06-06 | 2023-06-06 | Lining plate fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220238756U (en) |
-
2023
- 2023-06-06 CN CN202321419928.4U patent/CN220238756U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |