CN219129424U - Medium speed pulverizer grinds roller cover verification and wearing and tearing measuring device - Google Patents
Medium speed pulverizer grinds roller cover verification and wearing and tearing measuring device Download PDFInfo
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- CN219129424U CN219129424U CN202222821514.6U CN202222821514U CN219129424U CN 219129424 U CN219129424 U CN 219129424U CN 202222821514 U CN202222821514 U CN 202222821514U CN 219129424 U CN219129424 U CN 219129424U
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Abstract
The utility model discloses a checking and abrasion measuring device for a grinding roller sleeve of a medium-speed coal mill, which comprises a clamping device, a measuring device, a bottom plate and an upper pressing plate, wherein the bottom plate and the upper pressing plate are provided with two semicircular grooves with different widths, the upper pressing plate is connected with the bottom plate to form a row of circular channels with different widths, the measuring device is connected in the circular channels, and the clamping device is connected at two ends of the device, wherein the clamping device is used for clamping the measuring device on the grinding roller sleeve; the bottom plate is used for connecting the upper pressing plate to form the circular channel; the upper pressing plate is used for driving the measuring device to be close to the grinding roller sleeve; and the measuring device is used for verifying and measuring the grinding roller sleeve. Through the device, the technical problem that the grinding roller sleeve cannot be quantized in the check sum measurement can be effectively solved, and the safe and stable operation of the coal mill is ensured.
Description
Technical Field
The utility model relates to the technical field of medium-speed coal mills, in particular to a device for checking and measuring wear of a grinding roller sleeve of a medium-speed coal mill.
Background
The medium speed coal mill has the advantages of small occupied space, low electricity consumption, high reliability, convenient maintenance, wide adaptability to coal types and the like, and is widely applied to the pulverizing systems in the industries of electric power, metallurgy, building materials, chemical industry and the like. Three grinding rollers are respectively arranged on the grinding disc in the medium-speed coal mill, and the grinding disc tile is driven by the motor and the speed reducer to rotate so as to drive the grinding rollers to rotate around the fixed shaft to grind raw coal on the grinding disc, so that the raw coal is made into required coal dust, and the grinding disc tile and the grinding roller sleeve of the medium-speed coal mill are worn most seriously.
Because the grinding roller is arranged on the loading frame and then is contacted and matched with the grinding disc tile, the line type and the abrasion condition of the grinding roller sleeve directly affect the safe and stable operation of the coal mill, and the grinding roller sleeve exceeding the standard is replaced and welded
In the prior art, when the grinding roller sleeve is measured and checked, the measurement template matched with the original manufacturer cannot accurately position the measurement zero position, and the measurement zero position cannot be quantized by a graduated scale, so that only general measurement can be performed, and a large error exists.
Therefore, how to solve the problem that the grinding roller sleeve cannot be quantized in the verification and measurement process, so that the safe and stable operation of the coal mill is affected, and the technical problem to be solved by the person skilled in the art is solved.
Disclosure of Invention
The utility model provides a checking and abrasion measuring device for a grinding roller sleeve of a medium-speed coal mill, which is used for solving the technical problem that the safety and stability of the coal mill are affected because the grinding roller sleeve cannot be quantized in checking and measurement in the prior art.
In order to achieve the aim, the utility model provides a checking and wear measuring device for a grinding roller sleeve of a medium-speed coal mill, which comprises a clamping device, a measuring device, a bottom plate and an upper pressing plate, wherein the bottom plate and the upper pressing plate are respectively provided with two semicircular grooves with different widths, the upper pressing plate is connected with the bottom plate to form a row of circular channels with different widths, the measuring device is connected in the circular channels, the clamping device is connected with two ends of the device,
the clamping device is used for clamping the measuring device on the grinding roller sleeve;
the bottom plate is used for connecting the upper pressing plate to form the circular channel;
the upper pressing plate is used for driving the measuring device to be close to the grinding roller sleeve;
and the measuring device is used for verifying and measuring the grinding roller sleeve.
Preferably, the clamping device comprises a clamping block, a clamping block groove, a clamping block fixing bolt, a clamping device fixing bolt and a clamping plate, wherein the clamping block is arranged on the clamping plate, two end parts of the clamping block are fixed through the clamping block groove and the clamping block fixing bolt, and the clamping device fixing bolt is connected with the clamping block.
Preferably, the bottom plate comprises a bottom plate body, the rear side edge of the bottom plate body is provided with a bulge, and two end parts of the bottom plate body are provided with bolt holes corresponding to the upper pressing plate.
Preferably, the upper pressing plate comprises an upper pressing plate body, bolt holes corresponding to the bottom plate are formed in two end portions of the upper pressing plate body, and a template consistent with the grinding roller sleeve is arranged at the front portion of the upper pressing plate.
Preferably, the measuring device comprises a measuring rod, a measuring positioning block, a spring and a graduated scale, wherein the graduated scale is arranged on the upper pressing plate and is arranged beside the circular channel formed by the upper pressing plate and the bottom plate, the spring is arranged on a wider circular channel, the tail part of the measuring rod passes through the narrower circular channel to be fixed with the spring, and the measuring positioning block is connected with the measuring rod.
Preferably, the surfaces of the graduated scale and the measuring positioning block are coated with reflective materials.
Preferably, the head of the measuring rod is arranged in a shape with a taper and an arc.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses a checking and abrasion measuring device for a grinding roller sleeve of a medium-speed coal mill, which comprises a clamping device, a measuring device, a bottom plate and an upper pressing plate, wherein the bottom plate and the upper pressing plate are provided with two semicircular grooves with different widths, the upper pressing plate is connected with the bottom plate to form a row of circular channels with different widths, the measuring device is connected in the circular channels, and the clamping device is connected at two ends of the device, wherein the clamping device is used for clamping the measuring device on the grinding roller sleeve; the bottom plate is used for connecting the upper pressing plate to form the circular channel; the upper pressing plate is used for driving the measuring device to be close to the grinding roller sleeve; and the measuring device is used for verifying and measuring the grinding roller sleeve. Through the device, the technical problem that the grinding roller sleeve cannot be quantized in the check sum measurement can be effectively solved, and the safe and stable operation of the coal mill is ensured.
Drawings
FIG. 1 shows a schematic structural diagram of a checking and wear measuring device for a mill roller sleeve of a medium speed coal mill according to an embodiment of the present utility model;
fig. 2 shows a schematic diagram of a bottom plate structure of a checking and wear measuring device for a grinding roller sleeve of a medium speed coal mill according to an embodiment of the utility model;
FIG. 3 shows a schematic diagram of an upper platen structure of a device for checking and measuring wear of a mill roller sleeve of a medium speed coal mill according to an embodiment of the present utility model;
FIG. 4 shows two wide and narrow circular channel structure schematic diagrams of a medium speed coal mill grinding roller sleeve checking and wear measuring device according to an embodiment of the utility model;
FIG. 5 is a schematic view showing the structure of the protrusions on the rear side edge of the bottom plate of the checking and abrasion measuring device for the grinding roller sleeve of the medium speed coal mill according to the embodiment of the utility model;
fig. 6 shows a schematic structural diagram of a scale and a measuring positioning block of a device for checking and measuring wear of a grinding roller sleeve of a medium-speed coal mill according to an embodiment of the utility model;
fig. 7 shows a schematic diagram of a spring, a graduated scale and a measuring positioning block of a device for checking and measuring wear of a grinding roller sleeve of a medium speed coal mill according to an embodiment of the utility model;
FIG. 8 shows a schematic diagram of a clamping device of a checking and wear measuring device for a mill roller sleeve of a medium speed coal mill according to an embodiment of the present utility model;
fig. 9 shows a schematic diagram of a measuring rod structure of a checking and wear measuring device for a grinding roller sleeve of a medium speed coal mill according to an embodiment of the utility model.
In the figure: 1. a grinding roller sleeve body; 2. a measuring rod; 3. 4, bolt holes; 5. measuring a positioning block; 6. a spring; 7. a graduated scale; 8. the rear side edge of the bottom plate is convex; 9. zero position of taper outer ring of grinding roller sleeve; 10. the front parts of the clamping plates at the two sides are zero; 11. a clamping block groove; 12. a clamping block; 13. a clamping device fixing bolt; 14. a clamping block fixing bolt; 15. a template; 16. a base plate body; 17. a wide semicircular groove; 18. a narrow semicircular groove; 19. the rear side of the upper pressing plate; 20. measuring the tail part of the rod; 21. measuring the head of the rod; 22. a clamping plate; 23. an upper platen body; 24. a wider circular channel; 25. a narrower circular channel.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The utility model provides a checking and abrasion measuring device for a grinding roller sleeve of a medium-speed coal mill, which comprises a clamping device, a measuring device, a bottom plate and an upper pressing plate, wherein the bottom plate and the upper pressing plate are respectively provided with two semicircular grooves with different widths, the upper pressing plate is connected with the bottom plate to form a row of circular channels with different widths, the measuring device is connected in the circular channels, the clamping device is connected with two ends of the device,
the clamping device is used for clamping the measuring device on the grinding roller sleeve;
the bottom plate is used for connecting the upper pressing plate to form the circular channel;
the upper pressing plate is used for driving the measuring device to be close to the grinding roller sleeve;
and the measuring device is used for verifying and measuring the grinding roller sleeve.
In order to ensure that the device is fixed with the grinding roller sleeve, the staff of being convenient for measures, in some embodiments of this application, clamping device includes clamping block, clamping block recess, clamping block fixing bolt, clamping device fixing bolt and clamping plate, set up on the clamping plate clamping block just two tip of clamping block pass through clamping block recess with clamping block fixing bolt fixes, clamping device fixing bolt connects clamping block.
In this embodiment, the position of the clamping block is defined by the clamping block fixing bolt, and the clamping device is clamped on the grinding roller sleeve by the clamping device fixing bolt.
In order to ensure that the connection of bottom plate and top board is stable, in some embodiments of this application, the bottom plate includes the bottom plate body, bottom plate body trailing edge has the arch, two tip of bottom plate body all offer with the bolt hole that the top board corresponds.
In this embodiment, the bottom plate body trailing edge has the arch and is used for correcting the position when top board connection bottom plate, and the bolt hole is used for fixed bottom plate and top board.
In order to guarantee that the top board is stable with the connection of bottom plate and be convenient for develop of measurement, in some embodiments of this application, the top board includes the top board body, the bolt hole that corresponds with the bottom plate is all seted up to two tip of top board body, the front portion of top board set up with the template that the grinding roller cover is unanimous.
In this embodiment, the rear portion of the upper platen contacts the rear edge of the base plate to be raised, and then the upper platen is fixedly connected to the base plate, and a template corresponding to the grinding roller sleeve to be measured is provided at the front portion of the upper platen.
In order to guarantee the accuracy of measuring result, in some embodiments of this application, measuring device includes measuring stick, measurement locating piece, spring and scale, the scale set up in the top board just set up in the top board with the bottom plate forms round channel is by, the spring sets up in wider round channel, the afterbody of measuring stick pass narrower round channel with the spring is fixed, measurement locating piece connects the measuring stick.
In this embodiment, the tail of the measuring rod is fixed on the spring, and contacts the grinding roller sleeve through the device, and at this time, the head of the measuring rod is forced to move in the circular channel, and the measuring result is read according to the scale on the scale pointed by the measuring positioning block.
To ensure that the measurement is facilitated for the staff in a dim environment, in some embodiments of the present application, the surfaces of the scale and the measurement positioning block are both coated with a reflective material.
In order to ensure the accuracy of the measurement results of the device, in some embodiments of the application, the head of the measuring rod is provided in a tapered shape with an arc.
The structure and operation of the device for checking and measuring wear of the mill roller sleeve of the medium speed coal mill according to the embodiment of the present application will be described below with reference to fig. 1 to 9:
as shown in fig. 1-9, in this embodiment of the present application, the device includes a bottom plate body 16, an upper pressing plate body 23, a wide semicircular groove 17 and a narrow semicircular groove 18 with different widths are formed on the bottom plate body 16 and the upper pressing plate body 16, after the upper pressing plate body 17 is connected with the bottom plate body 16, a wider circular channel 24 and a narrower circular channel 25 with different widths are formed, the bottom plate body 16 is provided with a bottom plate rear edge protrusion 8, and when the upper pressing plate body 17 is connected with the bottom plate body 16, the upper pressing plate rear side 19 is first flush with the bottom plate rear edge protrusion 8 and then fixed through bolt holes 3 and 4, and a template 15 consistent with a grinding roller sleeve is arranged at the front part of the upper pressing plate body 17.
The spring 6 is arranged in the wider circular channel 24, the tail end of the measuring rod 2 is fixed in the spring 6, the narrower circular channel 25 is used for positioning the measuring rod 2, the graduated scale 7 is arranged on the upper pressing plate body 17 and beside the circular channel formed by the upper pressing plate body 17 and the bottom plate body 16, the head 21 of the measuring rod is arranged in a taper shape with an arc, the measuring positioning block 5 is arranged on the measuring rod 2 and used for indicating graduations, and the graduated scale 7 and the measuring positioning block 5 are coated with reflective materials.
The clamping device is arranged at two ends of the device and comprises a clamping block 12, a clamping block groove 11, a clamping block fixing bolt 14, a clamping device fixing bolt 13 and a clamping plate 22, wherein the clamping block 12 is arranged on the clamping plate 22, two ends of the clamping block 12 are fixed through the clamping block groove 11 and the clamping block fixing bolt 14, and the clamping device fixing bolt 13 is connected with the clamping block 12.
Specifically, when the utility model is used, the rear side 19 of the upper pressing plate body 23 is flush with the rear side edge bulge 8 of the bottom plate body 16, the bottom plate and the upper pressing plate are fixed through the bolt holes 3 and 4, the zero position 10 at the front part of the clamping plates at the two sides of the device is overlapped with the zero position 9 of the taper outer ring of the grinding roller sleeve, the fixing bolts 13 of the clamping device are used for positioning, at the moment, the spring 6 pushes the measuring rod 2 to be tightly attached to the grinding roller sleeve body 1 through the measuring positioning block 5, the reading of each measuring rod 2 can be read, and the check sum abrasion condition of the grinding roller sleeve body 1 is measured.
Through the application of the technical scheme, the device for checking and measuring the wear of the grinding roller sleeve of the medium-speed coal mill comprises a clamping device, a measuring device, a bottom plate and an upper pressing plate, wherein the bottom plate and the upper pressing plate are provided with two semicircular grooves with different front and rear widths, the upper pressing plate is connected with the bottom plate to form a row of circular channels with different front and rear widths, the measuring device is connected in the circular channels, and the clamping device is connected with two ends of the device, wherein the clamping device is used for clamping the measuring device on the grinding roller sleeve; the bottom plate is used for connecting the upper pressing plate to form the circular channel; the upper pressing plate is used for driving the measuring device to be close to the grinding roller sleeve; and the measuring device is used for verifying and measuring the grinding roller sleeve. Through the device, the technical problem that the grinding roller sleeve cannot be quantized in the check sum measurement can be effectively solved, and the safe and stable operation of the coal mill is ensured.
The device can accurately measure the check and abrasion loss of the grinding roller sleeve in the processes of grinding roller sleeve separation, online repair welding, coal mill maintenance and periodic inspection, and can photograph and store the position and thickness of the grinding roller sleeve for periodic observation.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, one of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (7)
1. The utility model provides a medium speed coal mill grinds roller cover check-up and wearing and tearing measuring device, its characterized in that includes clamping device, measuring device, bottom plate, top board, the bottom plate with two kinds of width difference's semicircle grooves all are seted up to the top board, the top board is connected the bottom plate forms a row of width difference's round passageway around, measuring device connects in the round passageway, clamping device connects in two tip of device, wherein,
the clamping device is used for clamping the measuring device on the grinding roller sleeve;
the bottom plate is used for connecting the upper pressing plate to form the circular channel;
the upper pressing plate is used for driving the measuring device to be close to the grinding roller sleeve;
and the measuring device is used for verifying and measuring the grinding roller sleeve.
2. The device according to claim 1, wherein the clamping device comprises a clamping block, a clamping block groove, a clamping block fixing bolt, a clamping device fixing bolt and a clamping plate, the clamping plate is provided with the clamping block, two ends of the clamping block are fixed through the clamping block groove and the clamping block fixing bolt, and the clamping device fixing bolt is connected with the clamping block.
3. The device of claim 1, wherein the bottom plate comprises a bottom plate body, the rear side edge of the bottom plate body is provided with a bulge, and both end parts of the bottom plate body are provided with bolt holes corresponding to the upper pressing plate.
4. The device of claim 1, wherein the upper platen comprises an upper platen body, bolt holes corresponding to the bottom plate are formed in both end portions of the upper platen body, and a template corresponding to the grinding roller sleeve is arranged in the front portion of the upper platen.
5. The device of claim 1, wherein the measuring device comprises a measuring rod, a measuring positioning block, a spring and a graduated scale, wherein the graduated scale is arranged on the upper pressing plate and beside the circular channel formed by the upper pressing plate and the bottom plate, the spring is arranged on a wider circular channel, the tail of the measuring rod is fixed with the spring through the narrower circular channel, and the measuring positioning block is connected with the measuring rod.
6. The device of claim 5, wherein the surfaces of the scale and the measurement locating block are coated with a reflective material.
7. The device according to claim 5, wherein the head of the measuring rod is provided in the shape of a taper with an arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821514.6U CN219129424U (en) | 2022-10-25 | 2022-10-25 | Medium speed pulverizer grinds roller cover verification and wearing and tearing measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821514.6U CN219129424U (en) | 2022-10-25 | 2022-10-25 | Medium speed pulverizer grinds roller cover verification and wearing and tearing measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219129424U true CN219129424U (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222821514.6U Active CN219129424U (en) | 2022-10-25 | 2022-10-25 | Medium speed pulverizer grinds roller cover verification and wearing and tearing measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219129424U (en) |
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2022
- 2022-10-25 CN CN202222821514.6U patent/CN219129424U/en active Active
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