CN211487953U - Long-life lining plate of semi-autogenous mill - Google Patents
Long-life lining plate of semi-autogenous mill Download PDFInfo
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- CN211487953U CN211487953U CN201921902754.0U CN201921902754U CN211487953U CN 211487953 U CN211487953 U CN 211487953U CN 201921902754 U CN201921902754 U CN 201921902754U CN 211487953 U CN211487953 U CN 211487953U
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- lining plate
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- autogenous mill
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Abstract
The utility model discloses a long-life lining plate of a semi-autogenous mill, which comprises a lining plate substrate, wherein two casting bosses are symmetrically arranged at two ends of the upper part of the lining plate substrate in the width direction, opposite sides of the two casting bosses are in arc transition connection with the lining plate substrate, an installation groove is arranged in the upper part axis direction of the lining plate substrate, a trapezoidal lifting strip is installed in the installation groove, the lifting strip is fixed in the installation groove through a bolt, and the lifting strip and the lining plate substrate are fixed on the inner wall of a semi-autogenous mill cylinder body through a bolt; the utility model discloses the lifting strip adopts split type design with the welt basement, the lifting strip wearing and tearing become invalid after change can, reduce the material loss, practice thrift the cost, through to lifting strip optimal design, the increase promotes the wear resistance of strip upper surface and working face, optimizes the transition fillet that promotes strip upper surface and work inclined plane, alleviates the stress concentration phenomenon at the ore grinding in-process to the life of extension lifting strip improves whole life.
Description
Technical Field
The utility model relates to a semi-autogenous mill technical field specifically is a semi-autogenous mill long-life welt.
Background
The semi-autogenous mill belongs to large-scale ore grinding equipment, and the welt is the main consumption accessory among the semi-autogenous mill, and the promotion strip on the welt can be high-efficient with the material promote to throw it down behind the take the altitude to make the material bump, reach the breakage to the ore. In the ore grinding process, the internal working condition of the semi-autogenous mill is severe, the lining plate can be seriously worn, the lining plate is caused to lose efficacy, and the machine needs to be stopped for replacement, wherein the abrasive wear is the most typical wear form of the lining plate of the semi-autogenous mill, for the lining plate, the lifting strip is a main working part, the upper surface and the working surface of the lifting strip of the existing lining plate are worn most seriously in the use process, the non-working surface and the nearby area of the lifting strip have smaller wear loss, the service life is short, therefore, the upper surface and the working surface of the lifting strip need to be optimally designed, in addition, the lifting strip is worn and lost, the lining plate base is not worn, if the whole replacement is carried out, the material waste is caused, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a semi-autogenous mill long-life welt, adopt split type design, promote the strip wearing and tearing become invalid after change can, reduce the material loss, carry out optimal design to the promotion strip, alleviate the stress concentration phenomenon at the ore grinding in-process, the life of extension promotion strip to improve whole life, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the long-life lining plate for the semi-autogenous mill comprises a lining plate substrate, wherein two casting bosses are symmetrically arranged at two ends of the upper part of the lining plate substrate in the width direction, opposite side surfaces of the two casting bosses are in arc transition connection with the lining plate substrate, a mounting groove is arranged in the upper part of the lining plate substrate in the axis direction, a trapezoidal lifting strip is mounted in the mounting groove, the lifting strip is fixed in the mounting groove through a bolt, the lifting strip and the lining plate substrate are fixed on the inner wall of a barrel body of the semi-autogenous mill through the bolt, a plurality of through holes for placing the bolt are formed in the upper surface of the lifting strip, a plurality of threaded through holes which are coaxial with the through holes and correspond to one another one by one are;
the side inclined plane that the promotion strip is used for promoting the material is the work inclined plane, and the opposite side inclined plane of promotion strip is non-work inclined plane, and the work inclined plane equipartition has a plurality of protruding ribs, and each protruding rib all upwards extends to buckle and with the upper surface connection of promotion strip.
Preferably, two connecting rib plates are symmetrically arranged on two sides of the upper portion of the lining plate base in the width direction, one sides of the connecting rib plates are connected with the casting boss, one sides of the connecting rib plates are connected with the lining plate base, and hanging holes are formed in the plate surfaces of the connecting rib plates.
Preferably, the lower part of the lifting strip is provided with a positioning part matched with the mounting groove.
Preferably, the inclined planes at the two sides of the lifting strip are respectively provided with a shoulder which covers and presses the edge of the notch of the corresponding mounting groove, and the shoulders are in arc transition shapes.
Preferably, the transition fillet of the working inclined plane and the upper surface of the lifting strip is larger than the transition fillet of the non-working inclined plane and the upper surface of the lifting strip.
Preferably, the raised ribs are integrally formed with the lifting bar.
Compared with the prior art, the beneficial effects of the utility model are that: this semi-autogenous mill long-life welt, the upper surface and the work inclined plane of promotion strip set up a plurality of protruding ribs, increase the wear resistance of promotion strip upper surface and working face, and the upper surface and the work inclined plane of promotion strip adopt great fillet transition, alleviate the stress concentration phenomenon at the ore grinding in-process, thereby the life of extension promotion strip, improve whole life, promote in addition that the strip adopts split type connection with the welt basement, promote the strip wearing and tearing become invalid after change can, the welt basement can repetitious usage, need not whole change, reduce material loss, and the cost is saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic view of the structure at a-a of the present invention.
In the figure: the method comprises the following steps of 1, casting a lining plate base, 101, a casting boss, 102, a mounting groove, 103, a threaded through hole, 2, a lifting bar, 201, a positioning part, 202, a shoulder, 203, a non-working inclined surface, 204, a through hole, 205, a working inclined surface, 3 bolts, 4 connecting rib plates, 401 lifting holes and 5 protruding ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a long-life lining plate of a semi-autogenous mill comprises a lining plate base 1, two casting bosses 101 are symmetrically arranged at two ends of the upper portion of the lining plate base 1 in the width direction, opposite side faces of the two casting bosses 101 are in arc transitional connection with the lining plate base 1, two connecting rib plates 4 are symmetrically arranged at two sides of the upper portion of the lining plate base 1 in the width direction, one side of each connecting rib plate 4 is connected with the casting bosses 101, one side of each connecting rib plate 4 is connected with the lining plate base 1, the connection stability of the structure is improved, hanging holes 401 are formed in the surfaces of the connecting rib plates 4, the hanging is convenient to hang, a mounting groove 102 is formed in the upper portion of the lining plate base 1 in the axial direction, a trapezoidal lifting strip 2 is mounted in the mounting groove 102, the lifting strip 2 can be replaced after being failed, the lifting strip 2 is a main wear failure component, the wear loss of, the material loss is reduced, and the cost is saved;
the lower part of the lifting bar 2 is provided with a positioning part 201 matched with the mounting groove 102, the inclined planes at two sides of the lifting bar 2 are respectively provided with a shoulder 202 covering and pressing the edge of the notch of the corresponding mounting groove 102, the shoulder 202 is in a circular arc transition shape, the shoulder 202 is added at the right-angle section, the stress concentration in the ore grinding process is reduced, the lifting bar 2 is fixed in the mounting groove 102 through a bolt 3, the lifting bar 2 and the lining plate substrate 1 are fixed on the inner wall of the semi-autogenous mill cylinder body through the bolt 3, the upper surface of the lifting bar 2 is provided with a plurality of through holes 204 for placing the bolt 3, the bottom of the mounting groove 102 of the lining plate substrate 1 is provided with a plurality of thread through holes 103 which are coaxial with the through holes 204 and are in one-;
promote one side inclined plane that strip 2 is used for promoting the material and be work inclined plane 205, promote the opposite side inclined plane of strip 2 and be non-work inclined plane 203, work inclined plane 205 equipartition has a plurality of protruding ribs 5, each protruding rib 5 all upwards extend buckle and with the upper surface connection who promotes strip 2, protruding rib 205 and promotion strip 2 integrated into one piece, increase the wear resistance of promoting 2 upper surface and working face, the transition fillet of work inclined plane 205 and the upper surface of promoting strip 2 is greater than the transition fillet of non-work inclined plane 203 and the upper surface of promoting strip 2, optimize the transition fillet of promoting 2 upper surface and work inclined plane, alleviate the stress concentration phenomenon at the ore grinding in-process.
The working principle is as follows: when the lifting strip 2 is used, the lifting strip 2 is arranged in the mounting groove 102, the lifting strip 2 is fixedly connected through the bolts 3, then the lifting strip is integrally hoisted into the cylinder body of the semi-autogenous mill, the bolts 3 are screwed again, so that the lifting strip 2 is integrally fixed on the inner wall of the cylinder body of the semi-autogenous mill, and the lifting strip 2 can be replaced if the lifting strip is worn and failed in the using process.
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. The utility model provides a semi-autogenous mill long life welt, includes welt basement (1), its characterized in that: two ends of the upper part of the lining plate base (1) in the width direction are symmetrically provided with two casting bosses (101), and the opposite side surfaces of the two casting bosses (101) are in arc transition connection with the lining plate base (1), an installation groove (102) is arranged in the upper axial direction of the lining plate base (1), a trapezoidal lifting strip (2) is installed in the installation groove (102), the lifting strip (2) is fixed in the installation groove (102) through a bolt (3), the lifting bar (2) and the lining plate base (1) are fixed on the inner wall of the semi-autogenous mill cylinder body through bolts (3), the upper surface of the lifting bar (2) is provided with a plurality of through holes (204) for placing the bolts (3), a plurality of threaded through holes (103) which are coaxial with the through holes (204) and correspond to each other one by one are arranged at the bottom of the mounting groove (102) of the lining plate substrate (1), and the threaded through holes (103) are in threaded connection with the bolts (3);
promote one side inclined plane that strip (2) are used for promoting the material and be work inclined plane (205), the opposite side inclined plane that promotes strip (2) is non-work inclined plane (203), and work inclined plane (205) equipartition has a plurality of protruding ribs (5), and each protruding rib (5) all upwards extend buckle and with the upper surface connection who promotes strip (2).
2. The long life liner plate of semi-autogenous mill of claim 1, wherein: two connecting rib plates (4) are symmetrically arranged on two sides of the upper portion of the lining plate base (1) in the width direction, one side of each connecting rib plate (4) is connected with the casting boss (101), one side of each connecting rib plate (4) is connected with the lining plate base (1), and hanging holes (401) are formed in the plate surfaces of the connecting rib plates (4).
3. The long life liner plate of semi-autogenous mill of claim 1, wherein: the lower part of the lifting strip (2) is provided with a positioning part (201) matched with the mounting groove (102).
4. The long life liner plate of semi-autogenous mill of claim 1, wherein: the inclined planes on the two sides of the lifting strip (2) are respectively provided with a shoulder (202) which covers and presses the edge of the notch of the corresponding mounting groove (102), and the shoulders (202) are in arc transition shapes.
5. The long life liner plate of semi-autogenous mill of claim 1, wherein: the transition round angle between the working inclined plane (205) and the upper surface of the lifting strip (2) is larger than that between the non-working inclined plane (203) and the upper surface of the lifting strip (2).
6. The long life liner plate of semi-autogenous mill of claim 1, wherein: the protruding ribs (5) and the lifting strips (2) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921902754.0U CN211487953U (en) | 2019-11-06 | 2019-11-06 | Long-life lining plate of semi-autogenous mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921902754.0U CN211487953U (en) | 2019-11-06 | 2019-11-06 | Long-life lining plate of semi-autogenous mill |
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| Publication Number | Publication Date |
|---|---|
| CN211487953U true CN211487953U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921902754.0U Active CN211487953U (en) | 2019-11-06 | 2019-11-06 | Long-life lining plate of semi-autogenous mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2615821A (en) * | 2022-02-22 | 2023-08-23 | Weir Minerals Australia Ltd | Head lifter bar |
-
2019
- 2019-11-06 CN CN201921902754.0U patent/CN211487953U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2615821A (en) * | 2022-02-22 | 2023-08-23 | Weir Minerals Australia Ltd | Head lifter bar |
| GB2615821B (en) * | 2022-02-22 | 2024-06-26 | Weir Minerals Australia Ltd | Head lifter bar |
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