CN213152410U - Special heating device for overhauling grinding roller of coal mill - Google Patents
Special heating device for overhauling grinding roller of coal mill Download PDFInfo
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- CN213152410U CN213152410U CN202021969888.7U CN202021969888U CN213152410U CN 213152410 U CN213152410 U CN 213152410U CN 202021969888 U CN202021969888 U CN 202021969888U CN 213152410 U CN213152410 U CN 213152410U
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Abstract
The utility model provides a special heating device is overhauld to coal pulverizer grinding roller, it overhauls technical field to relate to the grinding roller, heating bucket one side is provided with the revolving stage, the fixed electronic flexible post that is provided with in revolving stage top, the supporting support column that is provided with of electronic flexible post opposite side, electronic flexible post and support column top fixedly connected with handling machine, the fixed pulley that is provided with in handling machine one side, there is the balance plate fixed connection below the fixed pulley through lifting rope swing joint, balance plate below fixedly connected with three-jaw chuck, the supporting movable jack catch that is provided with in three-jaw chuck below, movable jack catch one side fixedly connected with pothook. This kind of special heating device is overhauld to coal pulverizer grinding roller has heating bucket and heating chamber cooperation to use, can heat the grinding roller by the efficient more, and the heat that keeps warm in the lid can preventing the heating bucket in addition scatters and disappears, and electronic flexible post and pothook cooperation are used in addition, can realize the hoist and mount to the grinding roller, can also use manpower sparingly.
Description
Technical Field
The utility model relates to a grinding roller overhauls technical field, and is more specific relates to a special heating device is overhauld to coal pulverizer grinding roller.
Background
Coal mills are machines for breaking up and grinding coal briquettes into coal dust, which are important auxiliary equipment for coal dust furnaces. The grinding machine comprises a vertical type flour mill, a high-pressure suspension roller mill, a medium-speed micro-powder mill, an overpressure trapezoidal mill, a Raymond mill and the like.
The TRM type vertical grinding roller is a novel grinding device which is designed, developed and developed by TCDRI, the grinding roller has completely different grinding roller mechanism and ball milling, and can dry, grind and classify materials simultaneously.
The coal mill is one of main equipment of a power plant, the grinding roller device is a grinding device of a roller coal mill, and mainly comprises a roller frame, a roller shaft, a roller sleeve, a roller core, a bearing, an oil seal and the like, materials are ground into powder between the grinding roller and a grinding disc under the action of hydraulic loading force, so that the grinding roller device is one of key components of the roller coal mill, and the grinding roller can be deformed, worn and the like when being used for a long time and needs to be heated and repaired.
The existing grinding roller heating device has the characteristic of large volume, and an acetylene heater is used for heating, so that even if a plurality of workers heat simultaneously, the heating area is still very limited, and the heating speed is very slow; at least three workers are required for heating work at the same time, only one grinding roller or roller blank can be heated at one time, the manual utilization rate is low, the heating area is uneven, the temperature of flame sprayed by an acetylene heater is high, the danger coefficient of heating the same equipment by a plurality of workers at the same time is high, and the heat loss after heating is serious, so that the resource waste is caused; and the grinding roller is great heavier, difficult transport, and the size volume is all different between the different models of grinding roller moreover, and ordinary pothook can not be applicable to different grinding rollers, and the function is more single.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is inconvenient inadequately to aim at solving the transport in the background and lift by crane, and the efficiency of heating perfect problem inadequately to a special heating device is overhauld to the coal pulverizer grinding roller is provided.
In order to achieve the above object, the utility model provides a following technical scheme: a heating device special for overhauling a grinding roller of a coal mill comprises a heating barrel, wherein a heating sheet is fixedly arranged on the inner wall of the heating barrel, a heating cavity is integrally arranged in the heating barrel, an electromagnetic heating ring is fixedly arranged in the heating cavity, and a heat-insulating cover is arranged above the heating cavity in a matched manner;
heating bucket one side is provided with the revolving stage, the fixed electronic flexible post that is provided with in revolving stage top, the supporting support column that is provided with of electronic flexible post opposite side, electronic flexible post and support column top fixedly connected with handling machine, the fixed pulley that is provided with in handling machine one side, there is the balance plate fixed pulley below through lifting rope swing joint, balance plate below fixedly connected with three-jaw chuck, the supporting movable jack catch that is provided with in three-jaw chuck below, activity jack catch one side fixedly connected with pothook.
Preferably, the heating barrel inner wall is fixed and is provided with the heating plate, and heating plate quantity is a plurality of, and the heating plate is three-layer about evenly being divided into.
Preferably, the heating barrel is of a hollow round barrel structure, and the periphery of the heating barrel is wrapped with heat-preservation asbestos.
Preferably, the movable clamping jaws are evenly distributed at 120 degrees, the number of the movable clamping jaws is three, and the clamping hooks are connected to the outer sides of the movable clamping jaws.
Preferably, the balance plate is divided into an upper part and a lower part, and a balance block can be placed above the balance plate.
Preferably, the heat-insulating cover is circular, and the bottom of the heat-insulating cover is matched with the inner wall of the heating barrel.
Preferably, the heating plate, the electromagnetic heating ring, the electric telescopic column and the lifting machine are electrically connected with an external power supply.
The utility model provides a special heating device is overhauld to coal pulverizer grinding roller has following beneficial effect:
1. this kind of special heating device is overhauld to coal pulverizer grinding roller is provided with electronic flexible post and pothook cooperation and uses, can realize the hoist and mount to the grinding roller, and pothook and movable jack catch cooperation are flexible, can deal with different grinding roller types and hook up, and the function is more comprehensive than before, and electromagnetic heating circle rate of heating is faster simultaneously, can carry out abundant heating to the grinding roller, and is more energy-conserving.
2. This kind of special heating device is overhauld to coal pulverizer grinding roller is provided with revolving stage and handling machine, can remove the grinding roller, increases work efficiency, can also use manpower sparingly, and is more convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic top view of the three-jaw chuck according to the present invention.
Fig. 3 is a schematic view of the structure of the heating chamber of the present invention.
Fig. 4 is a schematic view of the hook plane position structure of the present invention.
In FIGS. 1-4: 1. a heating barrel; 101. a heating plate; 2. a rotating table; 201. an electric telescopic column; 202. a support pillar; 203. a lifting machine; 2031. a fixed pulley; 3. a balance plate; 301. a three-jaw chuck; 302. a movable jaw; 3021. a hook; 4. a heating cavity; 401. an electromagnetic heating coil; 5. and (7) a heat preservation cover.
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 to 3, in an embodiment of the present invention, a heating device special for overhauling a grinding roller of a coal mill comprises a heating barrel 1, a heating plate 101 is fixedly disposed on an inner wall of the heating barrel 1, a heating chamber 4 is integrally disposed inside the heating barrel 1, an electromagnetic heating ring 401 is fixedly disposed inside the heating chamber 4, and a heat insulation cover 5 is disposed above the heating chamber 4 in a matching manner;
heating barrel 1 one side is provided with revolving stage 2, 2 fixed electric telescopic columns 201 that are provided with in top of revolving stage, the supporting support column 202 that is provided with of electric telescopic columns 201 opposite side, electric telescopic columns 201 and support column 202 top fixedly connected with handling machine 203, the fixed pulley 2031 that is provided with in handling machine 203 one side, there is balance plate 3 fixed pulley 2031 below through lifting rope swing joint, 3 below fixedly connected with three-jaw chuck 301 of balance plate, the supporting movable jack catch 302 that is provided with in three-jaw chuck 301 below, movable jack catch 302 one side fixedly connected with pothook 3021.
Further, the fixed heating plate 101 that is provided with of 1 inner wall of heating bucket, and heating plate 101 quantity is a plurality of, and heating plate 101 is divided into three-layer about the top is middle-to-bottom on average, and heating plate 101 can carry out heat treatment to heating bucket 1, and then makes heating bucket 1 be heated up more easily when using.
Further, heating barrel 1 is hollow circular barrel structure, and the peripheral parcel of heating barrel 1 has the heat preservation asbestos, and the heat preservation asbestos can prevent the inside heat loss of heating barrel 1 for the device is more perfect when using.
Further, movable jack catch 302 is 120 degrees evenly distributed, and movable jack catch 302 quantity is three, and pothook 3021 connects in the movable jack catch 302 outside, when lifting up the grinding roller, moves three-jaw chuck 301 to the grinding roller top earlier, then puts three-jaw chuck 301 to the grinding roller bottom, and flexible division of movable jack catch 302 is again fixed the grinding roller.
Further, the balance plate 3 is divided into an upper part and a lower part, and the balance block can be placed above the balance plate 3, when the lifted grinding roller is not balanced, the balance block can be selected to be placed on the balance plate 3, so that the grinding roller is balanced.
Further, the heat preservation lid 5 is circular, and the heat preservation lid 5 bottom agrees with 1 inner wall of heating bucket, before heating the grinding roller, places the heat preservation lid 5 on heating bucket 1, keeps warm, prevents that the heat from running off.
Further, the heating plate 101, the electromagnetic heating coil 401, the electric telescopic column 201 and the crane 203 are electrically connected with an external power supply.
Use the utility model relates to a special heating device is overhauld to coal pulverizer grinding roller, at first the grinding roller after will dismantling is placed, rotate revolving stage 2 again, make three-jaw chuck 301 reach the grinding roller top, switch on electronic flexible post 201 again, make pothook 3021 reach the grinding roller inner wall, then operate movable three-jaw chuck 301, it stretches out and draws back to make movable jack catch 302, let pothook 3021 collude the grinding roller, then at rotation revolving stage 2, it makes three-jaw chuck 301 descend to cooperate handling machine 203 simultaneously, start electromagnetic heating circle 401, heat treatment is carried out to the grinding roller.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (7)
1. The utility model provides a special heating device is overhauld to coal pulverizer grinding roller, includes heating bucket (1), its characterized in that: the heating barrel is characterized in that a heating sheet (101) is fixedly arranged on the inner wall of the heating barrel (1), a heating cavity (4) is integrally arranged in the heating barrel (1), an electromagnetic heating ring (401) is fixedly arranged in the heating cavity (4), and a heat-insulating cover (5) is arranged above the heating cavity (4) in a matched manner;
heating bucket (1) one side is provided with revolving stage (2), revolving stage (2) top is fixed to be provided with electric telescopic column (201), revolving stage (2) opposite side is supporting to be provided with support column (202), electric telescopic column (201) and support column (202) top fixedly connected with handling machine (203), handling machine (203) one side is fixed to be provided with fixed pulley (2031), there is balance plate (3) fixed pulley (2031) below through lifting rope swing joint, fixedly connected with three-jaw chuck (301) below balance plate (3), three-jaw chuck (301) below is supporting to be provided with movable jack catch (302), movable jack catch (302) one side fixedly connected with pothook (3021).
2. The special heating device for overhauling the grinding roller of the coal mill as claimed in claim 1, wherein: heating barrel (1) inner wall is fixed and is provided with heating plate (101), and heating plate (101) quantity is a plurality of, and heating plate (101) divide into three-layer down in the top and middle on average.
3. The special heating device for overhauling the grinding roller of the coal mill as claimed in claim 1, wherein: the heating barrel (1) is of a hollow round barrel structure, and heat-preservation asbestos wraps the periphery of the heating barrel (1).
4. The special heating device for overhauling the grinding roller of the coal mill as claimed in claim 1, wherein: the movable clamping jaws (302) are evenly distributed at 120 degrees, the number of the movable clamping jaws (302) is three, and the clamping hooks (3021) are connected to the outer sides of the movable clamping jaws (302).
5. The special heating device for overhauling the grinding roller of the coal mill as claimed in claim 1, wherein: the balance plate (3) is divided into an upper part and a lower part, and a balance block can be placed above the balance plate (3).
6. The special heating device for overhauling the grinding roller of the coal mill as claimed in claim 1, wherein: the heat-insulating cover (5) is circular, and the bottom of the heat-insulating cover (5) is matched with the inner wall of the heating barrel (1).
7. The special heating device for overhauling the grinding roller of the coal mill as claimed in claim 1, wherein: the heating plate (101), the electromagnetic heating ring (401), the electric telescopic column (201) and the lifting machine (203) are electrically connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021969888.7U CN213152410U (en) | 2020-09-10 | 2020-09-10 | Special heating device for overhauling grinding roller of coal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021969888.7U CN213152410U (en) | 2020-09-10 | 2020-09-10 | Special heating device for overhauling grinding roller of coal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213152410U true CN213152410U (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021969888.7U Active CN213152410U (en) | 2020-09-10 | 2020-09-10 | Special heating device for overhauling grinding roller of coal mill |
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| CN (1) | CN213152410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669386A (en) * | 2022-03-07 | 2022-06-28 | 上海吴泾第二发电有限责任公司 | Automatic heating device for hot tightening of grinding roller of coal mill of power station boiler |
-
2020
- 2020-09-10 CN CN202021969888.7U patent/CN213152410U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669386A (en) * | 2022-03-07 | 2022-06-28 | 上海吴泾第二发电有限责任公司 | Automatic heating device for hot tightening of grinding roller of coal mill of power station boiler |
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Effective date of registration: 20210624 Address after: 157000 No.29, Huanghua south 2nd Road, Aimin District, Mudanjiang City, Heilongjiang Province Patentee after: MUDANJIANG BEIFANG ELECTRIC POWER EQUIPMENT Co.,Ltd. Address before: 441100 dongjiatai community neighborhood committee, Xiangzhou District, Xiangyang City, Hubei Province Patentee before: Guo Fengqin |