CN216573369U - MP type grinds grinding roller quick replacement frock - Google Patents
MP type grinds grinding roller quick replacement frock Download PDFInfo
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- CN216573369U CN216573369U CN202122914030.1U CN202122914030U CN216573369U CN 216573369 U CN216573369 U CN 216573369U CN 202122914030 U CN202122914030 U CN 202122914030U CN 216573369 U CN216573369 U CN 216573369U
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Abstract
The utility model especially relates to a quick replacement tool for a grinding roller of an MP-type grinder, which belongs to the technical field of grinding roller replacement, wherein the MP-type grinder comprises a grinding disc and at least one grinding roller, the at least one grinding roller is distributed around a central shaft of the grinding disc, the grinding roller comprises a roller frame, the roller frame is provided with a first connecting part and a second connecting part, and the tool comprises: the central cover plate is used for being arranged on the central axis of the grinding disc; the first connecting plate is used for connecting the first connecting part to keep the position of the first connecting part and is fixedly arranged on the central cover plate through a bracket; the second connecting plate is used for connecting the second connecting part to keep the position of the second connecting part, and the second connecting plate is fixedly arranged on the central cover plate through a bracket; through the rigid connection that has realized that grinding roller operating angle, position and orientation are unchangeable and support before the grinding roller is not demolishd, realized that the grinding roller prevents overturning fixed and need not the process of alignment once more to realize quick replacement's purpose, solved the change time long, problem with low efficiency has reduced intensity of labour.
Description
Technical Field
The utility model belongs to the technical field of grinding roller replacement, and particularly relates to a rapid replacement tool for an MP-type grinding roller.
Background
When the MP type medium-speed grinding roller used at present is replaced, the grinding roller needs to be fixed on a central cover plate by a hinge joint with a turnbuckle, and then a calibration rod piece is used for checking the relative position of the grinding roller and a coal mill. The tips of the alignment rods should form a circle of a predetermined desired diameter with respect to the center of the coal pulverizer. The central line of the coal mill is determined by a plumb line, then the positions of the grinding roller and the loading frame are adjusted by adding a gasket at the position of a guide plate of the loading frame, the gap between the guide plates is adjusted according to the size of a drawing, then the position of the grinding roller is checked by secondary alignment, a support seat and other parts are installed and adjusted after the alignment is qualified, the loading frame is connected with a roller support, and the gap between the support ring and the cross shaft is adjusted by the gasket, so that the replacement work of the grinding roller is completed, the replacement time is long, the efficiency is low, and the labor intensity is increased.
SUMMERY OF THE UTILITY MODEL
An object of this application provides an MP type grinding roller quick replacement frock to solve the grinding roller when changing the grinding roller must correct the operation such as position, adjustment intermittent type, the change work of the grinding roller that causes, change time is long, inefficiency, the big technical problem of intensity of labour.
The embodiment of the utility model provides a quick replacement tool for a grinding roller of an MP-type grinder, wherein the MP-type grinder comprises a grinding disc and at least one grinding roller, the at least one grinding roller is distributed around a central shaft of the grinding disc, the grinding roller comprises a roller frame, the roller frame is provided with a first connecting part and a second connecting part, and the tool comprises:
a central cover plate for mounting on a central axis of the abrasive disc in use;
the first connecting plate is used for connecting the first connecting part to keep the position of the first connecting part, and the first connecting plate is fixedly arranged on the central cover plate through a bracket;
and the second connecting plate is used for connecting the second connecting part to keep the position of the second connecting part, and is fixedly arranged on the central cover plate through a bracket.
Optionally, the diameter of the central cover plate is smaller than the diameter of an inscribed circle enclosed by the at least one grinding roller.
Optionally, the support comprises at least two support arms, one end of each support arm is connected with the central cover plate, and the other end of each support arm is connected with the first connecting plate or the second connecting plate.
Optionally, the support further comprises a reinforcing rod, and two ends of the reinforcing rod are respectively connected to the two support arms.
Optionally, the reinforcing rod and the support arm are fixedly connected in a welding manner.
Optionally, the number of grinding roller is three, the quantity of support arm is three, the gusset rod is connected in adjacent two between the support arm, and any grinding roller corresponds first connecting portion and adjacent grinding roller correspond the second connecting portion connect in same the support arm.
Optionally, the support arms are radially distributed.
Optionally, the central cover plate, the first connecting plate, the second connecting plate and the bracket are all made of metal materials.
Optionally, the bracket is made of angle iron and/or channel steel.
Optionally, the bracket and the central cover plate are fixedly connected by welding.
One or more technical solutions in the embodiments of the present invention have at least the following technical effects or advantages:
the MP-type mill grinding roller quick replacement tool provided by the embodiment of the utility model comprises a grinding disc and at least one grinding roller, wherein the at least one grinding roller is distributed around a central shaft of the grinding disc, the grinding roller comprises a roller frame, the roller frame is provided with a first connecting part and a second connecting part, and the tool comprises: a central cover plate for mounting on a central axis of the abrasive disc in use; the first connecting plate is used for connecting the first connecting part to keep the position of the first connecting part, and the first connecting plate is fixedly arranged on the central cover plate through a bracket; the second connecting plate is used for connecting the second connecting part to keep the position of the second connecting part, and the second connecting plate is fixedly arranged on the central cover plate through a bracket; through the rigid connection that has realized grinding roller operating angle, position and orientation unchangeable and support before the grinding roller is not demolishd, guaranteed the operating angle, the operating position of original grinding roller, three unchangeable of operating direction when the grinding roller is demolishd back repacking new grinding roller like this to realized that the grinding roller prevents overturning fixed and need not the process of alignment once more, thereby realized quick replacement's purpose, solved the change time long, problem with low efficiency has reduced intensity of labour.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a front view of a tool provided by an embodiment of the utility model;
FIG. 2 is a top view of a tool provided in an embodiment of the utility model;
reference numerals: 1-tool, 11-central cover plate, 12-first connecting plate, 13-second connecting plate, 14-bracket, 141-support arm, 142-reinforcing rod, 2-grinding roller, 21-first connecting part, 22-second connecting part, 3-middle frame body, 31-access door and 4-grinding disc.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the description of the present application, it is further noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
according to an exemplary embodiment of the present invention, a MP-type grinding roll quick change tool is provided, the MP-type grinding roll comprising a grinding disc and at least one grinding roll, the at least one grinding roll being distributed around a central axis of the grinding disc, the grinding roll comprising a roll stand provided with a first connection portion and a second connection portion, the tool comprising:
a central cover plate for mounting on a central axis of the abrasive disc in use;
the first connecting plate is used for connecting the first connecting part to keep the position of the first connecting part and is fixedly arranged on the central cover plate through a bracket;
and the second connecting plate is used for connecting the second connecting part to keep the position of the second connecting part, and is fixedly arranged on the central cover plate through a bracket.
First connecting plate and second connecting plate do not confine to specific shape and specific material, as long as can realize corresponding the roller frame and be equipped with the safe connection of first connecting portion and second connecting portion and do not hinder the construction and repack can.
The support is formed by welding a support arm and a reinforcing rod. The supporting arm and the reinforcing rod are made of materials which are not limited to angle iron and channel steel, and the supporting arm and the reinforcing rod are only used for explaining that the utility model can be implemented, are not limited to the utility model, and only can the fixed support be stably supported without deformation; the implementation of the fixing bracket for supporting the stability of the reinforcing beam is not limited to the fixed welding or connection of the specific layers of reinforcing beams.
As an optional implementation manner, in order to realize that one tool is adapted to MP-type grinders with multiple sizes, the support arm can adopt a telescopic rod structure, and meanwhile, the support arm can be rotatably installed on the central cover plate, and can be locked when needed by rotation, and the locking structure can adopt a bolt structure; reinforcing bar detachable installs in the support arm to when support arm angle of adjustment, the reinforcing bar of the suitable length of replacement, perhaps reinforcing bar are telescopic rod structure, and can adopt the bolt lock dead, so that fixed reinforcing bar length is equipped with the dead structure of lock between reinforcing bar and support arm simultaneously, so that reinforcing bar plays and prevents support arm pivoted effect.
The support is welded with the central cover plate, and the stability of the whole support for the grinding roller is guaranteed. The above is only to illustrate that the utility model can be implemented, and the utility model is not limited thereto, the fixing device for the bracket and the central cover plate is not limited to a welding mode, and all fixing methods which can realize the stable fixing of the bracket and the central cover plate and can safely support the grinding roller are included in the scope.
The principle that the utility model can be implemented is as follows: before the grinding roller is dismounted, the central cover plate is arranged on the central axis of the grinding disc, the central axis of the central cover plate is superposed with the central axis of the grinding disc, then the first connecting part and the second connecting part of each grinding roller frame are respectively fastened and connected with the first connecting plate and the second connecting plate by bolts, after the grinding roller is dismounted and the new grinding roller is remounted according to the normal steps, the first connecting part and the second connecting part of each grinding roller frame are removed and connected with the first connecting plate and the second connecting plate, the tool is taken out and the replacement is finished, because the working angle, the position and the direction of the grinding roller are unchanged and the rigid connection of the support is realized before the grinding roller is dismounted, the working angle, the working position and the working direction of the original grinding roller are unchanged when the new grinding roller is dismounted and then reloaded, the working procedure of preventing the grinding roller from overturning and fixing and not needing to be aligned again is realized, thereby the purpose of quick replacement is realized, the problems of long replacement time and low efficiency are solved, and the labor intensity is reduced.
One or more technical solutions in the embodiments of the present invention at least have the following technical effects or advantages:
(1) the tool provided by the embodiment of the utility model is suitable for quickly replacing the grinding roller of the MP type medium-speed grinding mill, ensures the anti-overturning problem in the replacing process, simultaneously avoids the alignment work of checking the relative positions of the grinding roller and the coal mill by using the calibration rod piece and the determination of the central line of the coal mill when the grinding roller is reloaded, improves the replacing efficiency, and further realizes the quick replacement work of the grinding roller.
(2) The tool provided by the embodiment of the utility model realizes the unchanged working angle, position and direction of the grinding roller and the rigid connection of the support before the grinding roller is not dismounted, so that the working angle, the working position and the working direction of the original grinding roller are unchanged when a new grinding roller is remounted after the grinding roller is dismounted, the working procedure that the grinding roller is prevented from overturning and fixed and does not need to be aligned again is realized, the aim of quick replacement is realized, the problems of long replacement time and low efficiency are solved, and the labor intensity is reduced.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a MP type mill grinding roller quick replacement frock, MP type mill includes mill dish and at least one grinding roller, at least one grinding roller winds the center pin of mill dish distributes, the grinding roller includes the roller frame, a serial communication port, the roller frame is equipped with first connecting portion and second connecting portion, the frock includes:
a central cover plate for mounting on a central axis of the abrasive disc in use;
the first connecting plate is used for connecting the first connecting part to keep the position of the first connecting part, and the first connecting plate is fixedly arranged on the central cover plate through a bracket;
and the second connecting plate is used for connecting the second connecting part to keep the position of the second connecting part, and is fixedly arranged on the central cover plate through a bracket.
2. The MP-type grinding roll quick change tool for a grinding roll according to claim 1, wherein the diameter of said center cover plate is smaller than the diameter of an inscribed circle enclosed by said at least one grinding roll.
3. The MP-type grinding roll quick change tool for grinding rolls as claimed in claim 2, wherein the stand comprises at least two support arms, one end of each support arm is connected to the center cover plate, and the other end of each support arm is connected to the first connecting plate or the second connecting plate.
4. The MP-type grinding roller quick-change tool for grinding rolls according to claim 3, wherein the bracket further comprises a reinforcing rod, and two ends of the reinforcing rod are respectively connected to the two support arms.
5. The MP-type grinding roller quick-change tool for the grinding roller of the grinding mill as claimed in claim 4, wherein the reinforcing rod is fixedly connected with the support arm in a welding manner.
6. The MP-type grinding roller quick replacement tool for the grinding roller of the grinding mill as claimed in claim 4, wherein the number of the grinding rollers is three, the number of the support arms is three, the reinforcing rod is connected between two adjacent support arms, and the first connecting portion corresponding to any grinding roller and the second connecting portion corresponding to the adjacent grinding roller are connected to the same support arm.
7. The MP-type grinding roll quick change tool for a grinding mill as claimed in claim 6, wherein the support arms are radially distributed.
8. The MP-type grinding roll quick change tool for grinding rolls as claimed in claim 1, wherein the center cover plate, the first connecting plate, the second connecting plate and the bracket are made of metal.
9. The MP-type grinding roll quick change tool for grinding rolls of claim 8, wherein the bracket is made of angle iron and/or channel steel.
10. The MP-type grinding roll quick change tool for a grinding roll according to claim 1, wherein the bracket and the center cover plate are fixedly connected by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122914030.1U CN216573369U (en) | 2021-11-25 | 2021-11-25 | MP type grinds grinding roller quick replacement frock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122914030.1U CN216573369U (en) | 2021-11-25 | 2021-11-25 | MP type grinds grinding roller quick replacement frock |
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| Publication Number | Publication Date |
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| CN216573369U true CN216573369U (en) | 2022-05-24 |
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| CN202122914030.1U Active CN216573369U (en) | 2021-11-25 | 2021-11-25 | MP type grinds grinding roller quick replacement frock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117225542A (en) * | 2023-11-16 | 2023-12-15 | 华能八〇三热电有限公司 | Coal mill of thermal power plant |
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2021
- 2021-11-25 CN CN202122914030.1U patent/CN216573369U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117225542A (en) * | 2023-11-16 | 2023-12-15 | 华能八〇三热电有限公司 | Coal mill of thermal power plant |
| CN117225542B (en) * | 2023-11-16 | 2024-04-02 | 华能八〇三热电有限公司 | Coal mill of thermal power plant |
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