CN220238743U - ZGM series medium speed coal mill grinding roller overhauls and turns out device - Google Patents
ZGM series medium speed coal mill grinding roller overhauls and turns out device Download PDFInfo
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- CN220238743U CN220238743U CN202321604477.1U CN202321604477U CN220238743U CN 220238743 U CN220238743 U CN 220238743U CN 202321604477 U CN202321604477 U CN 202321604477U CN 220238743 U CN220238743 U CN 220238743U
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- 239000003245 coal Substances 0.000 title claims abstract description 22
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000007306 turnover Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000863480 Vinca Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model provides a ZGM series medium-speed coal mill grinding roller overhauling and turning-out device, and relates to the technical field of coal mill grinding roller overhauling. The device comprises a roll turning frame, a fixed frame and a movable frame, wherein the movable frame is provided with a roll turning cylinder, a cylinder barrel of the roll turning cylinder is hinged with the movable frame, a piston rod of the roll turning cylinder is movably provided with a swinging connecting rod, and two ends of the swinging connecting rod are respectively and movably connected with the movable frame and the roll turning frame; the lifting cylinder is connected with the fixed frame, and a piston rod of the lifting cylinder is connected with the movable frame; the movable frame comprises a vertical plate, a transverse plate and an inclined plate which are sequentially connected from top to bottom, wherein the vertical plate is provided with a connecting plate for connecting a swinging connecting rod and an ear plate for connecting a lifting oil cylinder, and an included angle formed between the transverse plate and the inclined plate is larger than 90 degrees; the movable frame structure is matched with the shape of the casing of the ZGM series coal mill in the lower inclined state, so that the normal lifting of the movable frame is ensured, and the equipment maintenance work of turning out the grinding roller under the condition of inclination angle and limited vertical space is completed.
Description
Technical Field
The utility model relates to the technical field of maintenance of grinding rolls of coal mills, in particular to a ZGM series medium-speed grinding roll maintenance turning-out device of a coal mill.
Background
The prior coal mill grinding roller overhauling and turning-out device is applied to an MPS-HP-II series medium-speed coal mill of a vinca generating equipment main factory, the space use requirement of the grinding roller turning-out device needs to be met by a medium-speed coal mill structure, an elastic diaphragm coupler with the length of 1.5m needs to be installed between a main motor and a speed reducer of the coal mill in order to ensure the installation space, and the prior art cannot be applied to a ZGM series medium-speed coal mill in the aspects of structural mode and space installation size.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides a grinding roller overhauling and turning-out device of a ZGM series medium-speed coal mill.
The utility model is realized in the following way:
the application provides a ZGM series medium speed coal mill grinding roller overhauling and turning-out device which comprises a turning-out roller frame, a fixed frame arranged on a machine shell and a movable frame movably arranged on the fixed frame, wherein the movable frame is provided with a turning-out oil cylinder, a cylinder barrel of the turning-out oil cylinder is hinged with the movable frame, a piston rod of the turning-out oil cylinder is movably provided with a swinging connecting rod, and two ends of the swinging connecting rod are respectively and movably connected with the movable frame and the turning-out roller frame;
the lifting cylinder is connected with the fixed frame, and a piston rod of the lifting cylinder is connected with the movable frame;
the movable frame comprises a vertical plate, a transverse plate and an inclined plate which are sequentially connected from top to bottom, wherein the vertical plate is provided with a connecting plate for connecting a swinging connecting rod and an ear plate for connecting a lifting oil cylinder, and an included angle formed between the transverse plate and the inclined plate is larger than 90 degrees.
In the utility model, the lifting oil cylinders comprise two groups which are respectively positioned at two sides of the fixed frame, the cylinder barrels of the two groups of lifting oil cylinders are connected with the fixed frame, and the piston rods are connected with the lug plates;
the fixed frame is provided with a chute for installing the vertical plate.
In the utility model, the turnover oil cylinder comprises two groups, and the inclined plate is provided with two groove bodies for installing the turnover oil cylinder.
In the utility model, the swinging connecting rod comprises two groups, which are respectively connected with the piston rods of the two groups of overturning cylinders, the swinging connecting rod consists of a first rod body and a second rod body which are hinged with each other, the piston rods of the overturning cylinders are connected with the hinge points of the first rod body and the second rod body, and one ends of the first rod body and the second rod body, which are far away from each other, are respectively connected with the connecting plate and the overturning frame.
Compared with the prior art, the utility model has at least the following advantages or beneficial effects:
according to the utility model, the piston rod of the turnover oil cylinder is driven to move downwards, and the turnover roller frame is turned outwards by the swing connecting rod, so that the grinding roller is brought out from the access door. The utility model is suitable for the ZGM type coal mill, the movable frame is matched with the shape of the casing of the lower part of the ZGM type coal mill in an inclined state, the normal lifting of the movable frame is ensured, and the equipment maintenance work of turning out the grinding roller is completed under the conditions of inclined angle and limited vertical space.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a side view of an overall apparatus according to an embodiment of the present utility model;
FIG. 2 is a front view of the overall device of an embodiment of the present utility model;
FIG. 3 is a front view of a movable frame according to an embodiment of the present utility model;
fig. 4 is a side view of a movable frame according to an embodiment of the present utility model.
Icon: the lifting device comprises a 1-fixed frame, a 2-movable frame, 210-vertical plates, 220-transverse plates, 230-inclined plates, 240-lug plates, 250-connecting plates, 3-roll turning frames, 4-swinging connecting rods, 410-first rod bodies, 420-second rod bodies, 5-turning oil cylinders and 6-lifting oil cylinders.
Detailed Description
Examples
Referring to fig. 1-4, an embodiment of the present utility model is shown.
The embodiment provides a ZGM series medium speed coal mill grinding roller overhauling and turning-out device, which comprises a turning-out roller frame 3, a fixed frame 1 arranged on a machine shell and a movable frame 2 movably arranged on the fixed frame 1, wherein the movable frame 2 is provided with a turning-out oil cylinder 5, a cylinder barrel of the turning-out oil cylinder 5 is hinged with the movable frame 2, a piston rod of the turning-out oil cylinder 5 is movably provided with a swinging connecting rod 4, and two ends of the swinging connecting rod 4 are respectively and movably connected with the movable frame 2 and the turning-out roller frame 3;
the lifting device also comprises a lifting oil cylinder 6, a cylinder barrel of the lifting oil cylinder 6 is connected with the fixed frame 1, and a piston rod of the lifting oil cylinder 6 is connected with the movable frame 2;
the movable frame 2 comprises a vertical plate 210, a transverse plate 220 and an inclined plate 230 which are sequentially connected from top to bottom, wherein the vertical plate 210 is provided with a connecting plate 250 for connecting the swinging connecting rod 4 and an ear plate 240 for connecting the lifting oil cylinder 6, and an included angle formed between the transverse plate 220 and the inclined plate 230 is larger than 90 degrees.
The lower side of the ZGM type coal mill shell is inclined slope-shaped, and the movable frame 2 is matched with the slope-shaped shell at the lower part of the ZGM type coal mill, so that the normal lifting of the movable frame 2 is ensured. The cross plate 220 is a protruding part, so that the inclined plate 230 is parallel to the sloping casing, and the lifting cylinder 6 drives the vertical plate 210 to move up and down at the fixing frame 1.
The user turns out the roll-over frame 3 outwards by using the swinging connecting rod 4 by driving the piston rod of the turning cylinder 5 to move downwards, so that the grinding roll is taken out from the access door.
The lifting cylinders comprise two groups which are respectively positioned at two sides of the fixed frame 1, cylinder barrels of the two groups of lifting cylinders 6 are connected with the fixed frame 1, and piston rods are connected with the lug plates 240; the fixing frame 1 is provided with a chute for installing the vertical plate 210; the overturning oil cylinder 5 comprises two groups, and the inclined plate 230 is provided with two groove bodies for installing the overturning oil cylinder 5; the swinging connecting rod 4 comprises two groups, which are respectively connected with the piston rods of the two groups of turning cylinders 5, the swinging connecting rod 4 consists of a first rod body 410 and a second rod body 420 which are hinged with each other, the piston rods of the turning cylinders 5 are connected with the hinge points of the first rod body 410 and the second rod body 420, and one ends of the first rod body 410 and the second rod body 420, which are far away from each other, are respectively connected with the connecting plate 250 and the turning frame 3.
Working principle:
the turning cylinder 5 is installed on the movable frame 2, a piston rod of the turning cylinder is connected with the swing connecting rod 4, and one end of the swing connecting rod 4 is connected with the turning frame 3, so that the expansion and contraction of the piston rod end of the turning cylinder 5 can drive the swing connecting rod 4 to move, and further drive the turning frame 3 to move.
The lifting oil cylinder 6 is arranged on the fixed frame 1, and a piston rod of the lifting oil cylinder 6 is connected with the movable frame 2, so that the expansion and contraction of the piston rod end of the lifting oil cylinder 6 can drive the movable frame 2 to slide up and down at the fixed frame 1; when the roll is brought out by using the reversing cylinder 5, it is lowered to a proper position by the lifting cylinder 6 for maintenance.
The utility model is suitable for ZGM type coal mills, the movable frame 2 is matched with the shape of the casing of the lower part of the ZGM type coal mill in an inclined state, the normal lifting of the movable frame 2 is ensured, and the equipment maintenance work of turning out the grinding roller is completed under the conditions of inclined angle and limited vertical space.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The device is characterized by comprising a roll turning frame, a fixed frame arranged on a shell and a movable frame movably arranged on the fixed frame, wherein the movable frame is provided with a turning cylinder, a cylinder barrel of the turning cylinder is hinged with the movable frame, a piston rod of the turning cylinder is movably provided with a swinging connecting rod, and two ends of the swinging connecting rod are respectively and movably connected with the movable frame and the roll turning frame;
the lifting device further comprises a lifting oil cylinder, wherein a cylinder barrel of the lifting oil cylinder is connected with the fixed frame, and a piston rod of the lifting oil cylinder is connected with the movable frame;
the movable frame comprises a vertical plate, a transverse plate and an inclined plate which are sequentially connected from top to bottom, wherein the vertical plate is provided with a connecting plate used for connecting the swinging connecting rod and an ear plate used for connecting the lifting oil cylinder, and an included angle formed between the transverse plate and the inclined plate is larger than 90 degrees.
2. The overhauling and turning-out device for the grinding rolls of the ZGM series medium-speed coal mill according to claim 1, wherein the lifting cylinders comprise two groups, are respectively positioned at two sides of the fixed frame, and cylinder barrels of the two groups of lifting cylinders are connected with the fixed frame and piston rods are connected with the lug plates;
the fixed frame is provided with a chute for installing the vertical plate.
3. The ZGM series medium speed pulverizer mill roll overhauling and turning-out device of claim 2, wherein the turning cylinder comprises two groups, and the sloping plate is provided with two grooves for installing the turning cylinder.
4. The ZGM series medium speed pulverizer mill roll overhauling and turning-out device according to claim 3, wherein the swinging connecting rods comprise two groups, and are respectively connected with piston rods of two groups of turning cylinders, the swinging connecting rods comprise a first rod body and a second rod body which are hinged with each other, the piston rods of the turning cylinders are connected with hinge points of the first rod body and the second rod body, and one ends, far away from each other, of the first rod body and the second rod body are respectively connected with the connecting plate and the roll turning frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321604477.1U CN220238743U (en) | 2023-06-21 | 2023-06-21 | ZGM series medium speed coal mill grinding roller overhauls and turns out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321604477.1U CN220238743U (en) | 2023-06-21 | 2023-06-21 | ZGM series medium speed coal mill grinding roller overhauls and turns out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220238743U true CN220238743U (en) | 2023-12-26 |
Family
ID=89233816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321604477.1U Active CN220238743U (en) | 2023-06-21 | 2023-06-21 | ZGM series medium speed coal mill grinding roller overhauls and turns out device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220238743U (en) |
-
2023
- 2023-06-21 CN CN202321604477.1U patent/CN220238743U/en active Active
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