CN112756066A - Automatic grinding roller abrasion early warning device for roller disc type coal grinding machine - Google Patents
Automatic grinding roller abrasion early warning device for roller disc type coal grinding machine Download PDFInfo
- Publication number
- CN112756066A CN112756066A CN202011501267.0A CN202011501267A CN112756066A CN 112756066 A CN112756066 A CN 112756066A CN 202011501267 A CN202011501267 A CN 202011501267A CN 112756066 A CN112756066 A CN 112756066A
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- Prior art keywords
- roller
- early warning
- grinding
- blank
- abrasion
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/04—Safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses an automatic early warning device for abrasion of a grinding roller of a roller disc type coal mill, which belongs to the technical field of coal mills and comprises a roller blank, wherein an accurate early warning assembly is arranged on one side of the upper end of the roller blank and comprises a screw rod, a sliding block, a stepping motor, a trapezoidal fixture block and a sensing device, the screw rod is arranged on one side of the upper end of the roller blank, the sliding block is arranged on the surface of the screw rod, the trapezoidal fixture block is arranged at the bottom end of one side of the sliding block, and the sensing device is arranged on the surface of the trapezoidal fixture block; according to the invention, the accurate early warning assembly is arranged, the laminating effect of the sensing device is ensured, the abrasion loss is convenient to monitor, the use quality is improved, the working effect is ensured, the condition of misjudgment and misjudgment is prevented, the use accuracy is ensured, manpower and material resources are saved, the lubrication convenience is ensured, the working difficulty is reduced, the lubrication cost is saved, and the grinding quality is ensured.
Description
Technical Field
The invention belongs to the technical field of coal mills, and particularly relates to an automatic early warning device for abrasion of a grinding roller of a roller disc type coal mill.
Background
The coal grinding process is a process in which coal is crushed and its surface area is increased continuously. To increase the new surface area, the binding force between solid molecules must be overcome, and thus energy is consumed. The coal is ground into coal powder in a coal mill mainly by three modes of crushing, smashing and grinding. Wherein the energy consumed by the crushing process is the least. The grinding process is most energy intensive. The two or three modes of the various coal mills are combined in the pulverizing process, but the main mode is determined by the type of the coal mill.
The prior art has the following problems: in chinese patent application number CN201921606786.6 discloses a coal pulverizer grinding roller wearing and tearing volume early warning device and coal pulverizer, its degree of wear to the grinding roller that can't be accurate in the use monitors, reduces operating mass, easily causes staff misjudgement, extravagant manpower and materials resource, and when carrying out grinding work for a long time, can't be convenient carry out quantitative lubrication to the grinding roller frame, increase working cost.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides an automatic early warning device for abrasion of a grinding roller of a roller disc type coal mill, which has the characteristics of accurate early warning and quantitative lubrication.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic early warning device of grinding roller wearing and tearing for roller disc coal pulverizer, includes the roller base, upper end one side of roller base is provided with accurate early warning subassembly, accurate early warning subassembly includes lead screw, slider, step motor, trapezoidal fixture block and sensing device, wherein, upper end one side of roller base is provided with the lead screw, the surface of lead screw is provided with the slider, one side bottom of slider is provided with trapezoidal fixture block, the surface of trapezoidal fixture block is provided with sensing device, the upper end of lead screw is provided with step motor.
Preferably, the side wall of the roller blank is provided with an installation frame corresponding to the stepping motor.
Preferably, the bottom end of the mounting rack is provided with a data acquisition device, and the bottom end of the data acquisition device is provided with a data line.
Preferably, the surface of the side wall of the roller blank is provided with a limiting sliding groove corresponding to the sliding block.
Preferably, one side that accurate early warning subassembly was kept away from to the roller blank is provided with quantitative lubrication assembly, quantitative lubrication assembly is including depositing oil pocket, sealing plate, electric putter, fixed stop and leading oil pipe, wherein, one side of roller blank is provided with deposits the oil pocket, the upper end of depositing the oil pocket is provided with electric putter, electric putter's output is provided with sealing plate, the inside intermediate position of depositing the oil pocket is provided with fixed stop, one side that sealing plate was kept away from to fixed stop is provided with leads oil pipe.
Preferably, a sealing plug is arranged on the side wall of the oil storage cavity, and an air inlet is arranged at the upper end of the sealing plug.
Preferably, an oil outlet is formed in the upper end of the oil guide pipe.
Preferably, the upper end of the roller blank is provided with a grinding roller frame, and one side of the bottom ends of the accurate early warning assembly and the quantitative lubricating assembly is provided with a mounting grinding roller.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the accurate early warning assembly is arranged, and the screw rod is driven to rotate by the stepping motor, so that the trapezoidal fixture block is driven by the slide block to move, the laminating effect of the sensing device is ensured, the abrasion loss is conveniently monitored, the use quality is improved, the working effect is ensured, the condition of misjudgment and misjudgment is prevented, the use accuracy is ensured, and the manpower and material resources are saved.
2. The quantitative lubricating assembly is arranged, the electric push rod drives the sealing pressure plate to move so as to press out lubricating oil in the oil storage cavity, lubricating convenience is guaranteed, working difficulty is reduced, lubricating cost is saved, and grinding quality is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a precise early warning assembly according to the present invention;
fig. 3 is a schematic structural diagram of the quantitative lubricating assembly of the present invention.
In the figure: 1. an accurate early warning component; 11. a screw rod; 12. a slider; 13. a limiting chute; 14. a stepping motor; 15. a mounting frame; 16. a data acquisition device; 17. a data line; 18. a trapezoidal fixture block; 19. a sensing device; 2. rolling a blank; 3. installing a grinding roller; 4. a quantitative lubrication assembly; 41. an oil storage cavity; 42. a sealing plug; 43. sealing the pressure plate; 44. an air inlet; 45. an electric push rod; 46. an oil outlet; 47. fixing the partition board; 48. an oil guide pipe; 5. a grinding roller frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: an automatic early warning device for abrasion of a grinding roller of a roller disc type coal mill comprises a roller blank 2, an accurate early warning assembly 1 is arranged on one side of the upper end of the roller blank 2, the accurate early warning assembly 1 comprises a screw rod 11, a sliding block 12, a stepping motor 14, a trapezoidal clamping block 18 and a sensing device 19, wherein the screw rod 11 is arranged on one side of the upper end of the roller blank 2, the sliding block 12 is arranged on the surface of the screw rod 11, the trapezoidal clamping block 18 is arranged at the bottom end of one side of the sliding block 12, the sensing device 19 is arranged on the surface of the trapezoidal clamping block 18, the stepping motor 14 is arranged at the upper end of the screw rod 11, the sensing device 19 is arranged on the surface of the trapezoidal clamping block 18 and is arranged in a strip shape at the vertical side, contact points are uniformly spaced on the oblique side, the surface of the trapezoidal clamping block 18 can be tightly attached to the surfaces of the roller, then, the stepping motor 14 is started to drive the screw rod 11 to rotate, so that the rotating screw rod 11 drives the sliding block 12 and the trapezoid clamping block 18 at the bottom end of the sliding block to move, the trapezoid clamping block 18 moves to enable the sensing device 19 at the inclined edge of the trapezoid clamping block to be abutted to the surface of the installation grinding roller 3 again, and a worker can accurately judge the wear degree of the installation grinding roller 3 according to the moving distance of the sliding block 12, so that the use accuracy is ensured, and the working quality is improved.
Specifically, the side wall of the roll blank 2 is provided with a mounting frame 15 corresponding to the stepping motor 14.
Through adopting above-mentioned technical scheme, step motor 14 sets up in the upper end of mounting bracket 15, guarantees the stability of work.
Specifically, a data acquisition device 16 is arranged at the bottom end of the mounting frame 15, and a data line 17 is arranged at the bottom end of the data acquisition device 16.
By adopting the technical scheme, the data acquisition device 16 acquires the data of the sensing device 19 and continuously performs early warning work, so that the working quality is ensured, and the timeliness of early warning is ensured.
Specifically, the surface of the side wall of the roller blank 2 is provided with a limit sliding chute 13 corresponding to the sliding block 12.
Through adopting above-mentioned technical scheme, carry on spacingly by spacing spout 13 to slider 12, guarantee its stability of removing, improve operating mass with rated load, guarantee work efficiency.
Specifically, one side that accurate early warning subassembly 1 was kept away from to roller blank 2 is provided with quantitative lubrication subassembly 4, quantitative lubrication subassembly 4 is including depositing oil chamber 41, sealing pressure plate 43, electric putter 45, fixed partition 47 and lead oil pipe 48, wherein, one side of roller blank 2 is provided with deposits oil chamber 41, the upper end of depositing oil chamber 41 is provided with electric putter 45, electric putter 45's output is provided with sealing pressure plate 43, the inside intermediate position of depositing oil chamber 41 is provided with fixed partition 47, one side that sealing pressure plate 43 was kept away from to fixed partition 47 is provided with leads oil pipe 48.
By adopting the technical scheme, the electric push rod 45 drives the sealing pressure plate 43 to move, so that the lubricating oil in the oil storage cavity 41 flows out along the oil guide pipe 48 under the action of air pressure to lubricate the grinding roller frame 5, and the coal grinding efficiency is ensured.
Specifically, a sealing plug 42 is disposed on a sidewall of the oil storage chamber 41, and an air inlet 44 is disposed at an upper end of the sealing plug 42.
By adopting the above technical scheme, can pull out sealing plug 42 and carry out the oiling to in oil storage chamber 41, guarantee the quality of material loading, improve the sealed effect of oil storage chamber 41, sealing pressure plate 43 removes to the upper end of air inlet 44 after work is accomplished for during the outside air gets into oil storage chamber 41, guarantee that atmospheric pressure is balanced, be convenient for carry on next round of lubrication operation.
Specifically, the upper end of the oil conduit 48 is provided with an oil outlet 46.
By adopting the technical scheme, the oil outlet 46 guides the smearing part of the lubricating oil, so that the working quality is ensured, and the lubricating effect is improved.
Specifically, the upper end of the roller blank 2 is provided with a grinding roller frame 5, and one side of the bottom ends of the accurate early warning assembly 1 and the quantitative lubricating assembly 4 is provided with a mounting grinding roller 3.
Through adopting above-mentioned technical scheme, drive roller blank 2 by grinding roller frame 5 and rotate for roller blank 2 and installation grinding roller 3 work of cooperateing carry out the grinding to the colliery.
The electric push rod 45 of the invention is the prior art, and the selected model is HDL-30.
The structure and the use principle of the data acquisition device 16, the sensing device 19, the roller blank 2, the mounting grinding roller 3 and the grinding roller frame 5 in the invention are disclosed in a grinding roller abrasion loss early warning device of a coal mill and the coal mill disclosed in the Chinese patent application No. CN 201921606786.6.
The working principle and the using process of the invention are as follows: when the grinding roller device is used, the stepping motor 14 is started to drive the screw rod 11 to rotate, so that the slide block 12 drives the trapezoidal fixture block 18 to move, the sensing device 19 is ensured to be tightly attached to the surfaces of the roller blank 2 and the installation grinding roller 3, when the installation grinding roller 3 is worn, the sensing device 19 on the inclined side of the trapezoidal fixture block 18 gives an early warning through the data acquisition device 16, then a worker can restart the stepping motor 14, so that the trapezoidal fixture block 18 moves and is attached to the surface of the installation grinding roller 3 again, the abrasion degree is calculated according to the moving distance, whether the installation grinding roller 3 needs to be replaced or maintained is judged conveniently, and the working quality is improved;
in the process of long-time grinding, the grinding roller frame 5 is easy to block and rotate difficultly, and the electric push rod 45 is started to drive the sealing pressing plate 43 to move at the moment, so that lubricating oil in the oil storage cavity 41 flows to the oil outlet 46 along the oil guide pipe 48, then the grinding roller frame 5 is lubricated, the grinding effect is ensured, and the working efficiency is improved.
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 (8)
1. The utility model provides a grinding roller wearing and tearing automatic early warning device for roller disc coal pulverizer, includes roller blank (2), its characterized in that: the utility model discloses a roller blank, including roller blank (2), upper end one side of roller blank (2) is provided with accurate early warning subassembly (1), accurate early warning subassembly (1) includes lead screw (11), slider (12), step motor (14), trapezoidal fixture block (18) and sensing device (19), wherein, upper end one side of roller blank (2) is provided with lead screw (11), the surface of lead screw (11) is provided with slider (12), one side bottom of slider (12) is provided with trapezoidal fixture block (18), the surface of trapezoidal fixture block (18) is provided with sensing device (19), the upper end of lead screw (11) is provided with step motor (14).
2. The automatic early warning device for the abrasion of the grinding roller of the roller disc type coal grinding machine according to claim 1, characterized in that: and the side wall of the roller blank (2) is provided with an installation frame (15) corresponding to the stepping motor (14).
3. The automatic early warning device for the abrasion of the grinding roller of the roller disc type coal grinding machine according to claim 1, characterized in that: the bottom of mounting bracket (15) is provided with data acquisition device (16), the bottom of data acquisition device (16) is provided with data line (17).
4. The automatic early warning device for the abrasion of the grinding roller of the roller disc type coal grinding machine according to claim 1, characterized in that: and the side wall surface of the roller blank (2) is provided with a limiting sliding groove (13) corresponding to the sliding block (12).
5. The automatic early warning device for the abrasion of the grinding roller of the roller disc type coal grinding machine according to claim 1, characterized in that: one side that accurate early warning subassembly (1) was kept away from in roller blank (2) is provided with quantitative lubrication subassembly (4), quantitative lubrication subassembly (4) are including depositing oil pocket (41), sealing pressure plate (43), electric putter (45), fixed stop (47) and lead oil pipe (48), wherein, one side of roller blank (2) is provided with deposits oil pocket (41), the upper end of depositing oil pocket (41) is provided with electric putter (45), the output of electric putter (45) is provided with sealing pressure plate (43), the inside intermediate position of depositing oil pocket (41) is provided with fixed stop (47), one side that sealing pressure plate (43) were kept away from in fixed stop (47) is provided with leads oil pipe (48).
6. The automatic early warning device for the abrasion of the grinding roller of the roller disc type coal grinding machine according to claim 4, wherein: a sealing plug (42) is arranged on the side wall of the oil storage cavity (41), and an air inlet (44) is formed in the upper end of the sealing plug (42).
7. The automatic early warning device for the abrasion of the grinding roller of the roller disc type coal grinding machine according to claim 4, wherein: an oil outlet (46) is formed in the upper end of the oil guide pipe (48).
8. The automatic early warning device for the abrasion of the grinding roller of the roller disc type coal grinding machine according to claim 4, wherein: the upper end of the roller blank (2) is provided with a grinding roller rack (5), and one side of the bottom ends of the accurate early warning assembly (1) and the quantitative lubricating assembly (4) is provided with an installation grinding roller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011501267.0A CN112756066A (en) | 2020-12-18 | 2020-12-18 | Automatic grinding roller abrasion early warning device for roller disc type coal grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011501267.0A CN112756066A (en) | 2020-12-18 | 2020-12-18 | Automatic grinding roller abrasion early warning device for roller disc type coal grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN112756066A true CN112756066A (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011501267.0A Pending CN112756066A (en) | 2020-12-18 | 2020-12-18 | Automatic grinding roller abrasion early warning device for roller disc type coal grinding machine |
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| CN (1) | CN112756066A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348453A (en) * | 1990-12-24 | 1994-09-20 | James River Corporation Of Virginia | Positive displacement screw pump having pressure feedback control |
| CN203390734U (en) * | 2013-06-21 | 2014-01-15 | 卢淑慧 | Device for detecting surface wear degree of grinding disc |
| CN205467879U (en) * | 2015-12-31 | 2016-08-17 | 愉悦家纺有限公司 | Thick liquids liquid -level monitoring device |
| CN206891316U (en) * | 2017-06-26 | 2018-01-16 | 山东金辰机械股份有限公司 | A kind of press machine clutch brake pad wear measurement device |
| CN211051584U (en) * | 2019-09-25 | 2020-07-21 | 上海电气集团股份有限公司 | Coal pulverizer grinding roller wearing and tearing volume early warning device and coal pulverizer |
| CN211784904U (en) * | 2019-12-09 | 2020-10-27 | 丹阳市鑫洁源工具有限公司 | Detection device for detecting abrasion of drill bit |
| CN211952197U (en) * | 2020-04-17 | 2020-11-17 | 韶关市共创机械制造有限公司 | Upper lubricating device of machine tool grinding head |
-
2020
- 2020-12-18 CN CN202011501267.0A patent/CN112756066A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348453A (en) * | 1990-12-24 | 1994-09-20 | James River Corporation Of Virginia | Positive displacement screw pump having pressure feedback control |
| CN203390734U (en) * | 2013-06-21 | 2014-01-15 | 卢淑慧 | Device for detecting surface wear degree of grinding disc |
| CN205467879U (en) * | 2015-12-31 | 2016-08-17 | 愉悦家纺有限公司 | Thick liquids liquid -level monitoring device |
| CN206891316U (en) * | 2017-06-26 | 2018-01-16 | 山东金辰机械股份有限公司 | A kind of press machine clutch brake pad wear measurement device |
| CN211051584U (en) * | 2019-09-25 | 2020-07-21 | 上海电气集团股份有限公司 | Coal pulverizer grinding roller wearing and tearing volume early warning device and coal pulverizer |
| CN211784904U (en) * | 2019-12-09 | 2020-10-27 | 丹阳市鑫洁源工具有限公司 | Detection device for detecting abrasion of drill bit |
| CN211952197U (en) * | 2020-04-17 | 2020-11-17 | 韶关市共创机械制造有限公司 | Upper lubricating device of machine tool grinding head |
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Application publication date: 20210507 |
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