CN220853543U - Rotary kiln tyre gap and slippage thermal state measuring device - Google Patents
Rotary kiln tyre gap and slippage thermal state measuring device Download PDFInfo
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- CN220853543U CN220853543U CN202322381904.0U CN202322381904U CN220853543U CN 220853543 U CN220853543 U CN 220853543U CN 202322381904 U CN202322381904 U CN 202322381904U CN 220853543 U CN220853543 U CN 220853543U
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- singlechip
- rotary kiln
- measuring device
- slippage
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a thermal state measuring device for a belt gap and a slip amount of a rotary kiln, which comprises a shell, a proximity switch, a singlechip, an electric telescopic rod, a torsion spring, a roller bracket, rollers, an encoder and a stay cord displacement sensor. The measuring device can synchronously and accurately sample the wheel belt slippage and the wheel belt gap variation through one-time adsorption, so that the defect that the two values cannot be accurately compared and analyzed when the two values are independently measured by using a conventional means is avoided; the change trend of the device can be accurately calculated by combining time information synchronously recorded during sampling, so that the device fault can be predicted in advance; the rotary kiln has the advantages of simple integral structure and convenient use, and can accurately measure the running state of the wheel belt in the hot running of the rotary kiln.
Description
Technical Field
The utility model relates to the technical field of measuring devices, in particular to a thermal state measuring device for a belt gap and a slip quantity of a rotary kiln.
Background
The rotary kiln is common in production lines requiring continuous firing such as cement, lime and metallurgy, is core production equipment of the production line, and most maintenance and inspection work is required to be performed in production because most rotary kiln equipment is easy to stop after being started due to high ignition cost and long period; the rotary kiln tyre is an important part sleeved on the rotary kiln cylinder body for supporting and rotating; because the rotary kiln cylinder has obvious diameter change in cold state and hot state, the inner diameter D of the wheel belt is generally larger than the outer diameter D of the cylinder after expansion, the difference between D and D in the cold state is about 10-15mm, and the difference between D and D in the hot state is about 5-8mm, in daily production, the rotary kiln cylinder and the wheel belt do not run synchronously, but have slip of 10-20mm every revolution, namely the slip amount, the gap between the rotary kiln and the wheel belt is also different along the circumference, the top is generally the largest, and the bottom is tightly attached; the most visual data for judging the running state of the tyre is the slip quantity and the clearance value. However, the surface temperature of the rotary kiln can reach 200-400 ℃ during normal production, the wheel belt in close contact with the cylinder body is 200-300 ℃, the detection means for the running state of the wheel belt are very limited at present, most of the detection means can only indirectly measure the slip quantity by detecting the rotation speed difference between the rotary kiln cylinder body and the wheel belt, the precision is low, and the gap change trend cannot be detected.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a thermal state measuring device for the belt gap and the slippage of a rotary kiln, which can bear larger overturning moment and axial load and ensure radial runout precision during high-speed rotation.
The technical scheme adopted by the utility model is as follows:
A thermal state measuring device for the belt gap and the slippage of a rotary kiln comprises a shell, a proximity switch, a singlechip, an electric telescopic rod, a torsion spring, a roller bracket, a roller, an encoder and a stay cord displacement sensor;
The lower part of the shell is provided with an opening, and magnets are arranged at four corners of the rear side of the shell; the proximity switch is arranged on the rear side of the shell, is electrically connected with the singlechip, and sends a detection signal of the proximity switch to the singlechip; the singlechip, the electric telescopic rod and the stay cord displacement sensor are all arranged in the shell; the torsion arm at the upper end of the torsion spring is positioned in the shell and connected with the electric telescopic rod, and the torsion arm at the lower end of the torsion spring is positioned near the opening at the lower part of the shell and connected with one end of the roller bracket; the roller is arranged on a central shaft at the other end of the roller bracket through a bearing; the encoder is arranged on the roller, and the encoder collects the rolling distance signal of the roller and sends the rolling distance signal to the singlechip; the stay cord of stay cord displacement sensor is connected with the gyro wheel support at gyro wheel center, sends the change state signal of gyro wheel projecting amount to the singlechip.
Specifically, the shell is also provided with a display screen of the singlechip.
Specifically, the rotary kiln tyre gap and slippage thermal state measuring device also comprises a power module, wherein the power module is arranged in the shell and is used for supplying power to the proximity switch, the singlechip, the electric telescopic rod, the encoder and the stay cord displacement sensor.
By adopting the technical scheme, the utility model has the following advantages:
The measuring device can synchronously and accurately sample the wheel belt slippage and the wheel belt gap variation through one-time adsorption, so that the defect that the two values cannot be accurately compared and analyzed when the two values are independently measured by using a conventional means is avoided; the change trend of the device can be accurately calculated by combining time information synchronously recorded during sampling, so that the device fault can be predicted in advance; the rotary kiln has the advantages of simple integral structure and convenient use, and can accurately measure the running state of the wheel belt in the hot running of the rotary kiln.
Drawings
Fig. 1 is a schematic diagram of the overall utility model.
Fig. 2 is a schematic view of the internal structure of the present utility model.
Fig. 3 is a schematic view of the utility model mounted on a wheel belt.
In the figure: the device comprises a shell, a 2-proximity switch, a 3-singlechip, a 4-electric telescopic rod, a 5-torsion spring, a 6-roller bracket, a 7-roller, an 8-encoder, a 9-stay cord displacement sensor, a 10-display screen, an 11-power module, a 12-magnet, a 13-roller belt and a 14-cylinder.
Detailed Description
The present utility model is further explained below with reference to the drawings and examples, which are not to be construed as limiting the scope of the utility model, and the purpose of the present utility model is to protect all technical improvements within the scope of the utility model.
The thermal state measuring device for the belt gap and the slippage of the rotary kiln, which is shown by combining with figures 1-3, comprises a shell 1, a proximity switch 2, a singlechip 3, an electric telescopic rod 4, a torsion spring 5, a roller bracket 6, a roller 7, an encoder 8 and a stay cord displacement sensor 9.
The lower part of the shell 1 is provided with an opening, and magnets 12 are arranged at four corners of the rear side of the shell 1; the proximity switch 2 is arranged on the rear side of the shell 1, the proximity switch 2 is electrically connected with the singlechip 3, and a detection signal of the proximity switch 2 is sent to the singlechip 3; the singlechip 3, the electric telescopic rod 4 and the stay cord displacement sensor 9 are all arranged in the shell 1; the torsion arm at the upper end of the torsion spring 5 is positioned in the shell 1 and connected with the electric telescopic rod 4, and the torsion arm at the lower end of the torsion spring 5 is positioned near the opening at the lower part of the shell 1 and connected with one end of the roller bracket 6; the roller 7 is arranged on the central shaft at the other end of the roller bracket 6 through a bearing; the encoder 8 is arranged on the roller 7, and the encoder 8 collects the rolling distance signal of the roller 7 and sends the rolling distance signal to the singlechip 3; the stay cord of stay cord displacement sensor 9 is connected with the gyro wheel support 6 of gyro wheel 7 center department, sends the change state signal of gyro wheel 7 projecting amount to singlechip 3.
Preferably, the front side of the shell 1 is also provided with a display screen 10 of the single-chip microcomputer 3, a power module 11 is also arranged in the shell, the power module 11 is arranged in the shell 1, and the power module 11 supplies power for the proximity switch 2, the single-chip microcomputer 3, the electric telescopic rod 4, the encoder 8 and the stay cord displacement sensor 9.
When the electric telescopic device is used, in an initial state, the electric telescopic rod 4 is in an extending state, the torsion arm at the lower end of the torsion spring 5 drives the roller bracket 6 and the roller 7 to be in a recovery state upwards, and the roller 7 is positioned in the shell 1; the operator adsorbs the device on the side surface of the wheel belt 13 near the cylinder 14 through the magnet 12 on the rear side of the shell 1; the power supply module 11 supplies power to the device, when the proximity switch 2 detects that the device is adsorbed on the surface of the wheel belt 13, a signal is sent to the single chip microcomputer 3, the single chip microcomputer 3 controls the electric telescopic rod 4 to be recovered and tensioned, the torsion arm at the upper end of the torsion spring 5 is pulled, the torsion arm at the lower end drives the roller 7 to extend out of the shell 1 to be attached to the surface of the cylinder 14, and meanwhile, the torsion spring 5 continues to exert tension to deform, pre-pressure is applied to the roller 7, and the roller 7 is guaranteed not to slip when rolling on the surface of the cylinder 14; after the roller 7 is tightly attached to the cylinder 14, the roller starts to roll along with the relative displacement between the belt 13 and the cylinder 14, the encoder 8 on the roller 7 starts to continuously measure the rolling distance of the roller 7 and transmits the rolling distance information to the singlechip 3, and the singlechip 3 records the slip x of the belt 13 relative to the cylinder 14 in a measurement time period; meanwhile, the stay cord displacement sensor 9 starts to measure the distance variation between the idler wheel 7 and the measuring device on the tyre 13, namely the tyre clearance variation y, and sends the tyre clearance variation y to the singlechip 3, and the singlechip 3 packs and stores the recorded slippage x, the tyre clearance variation y and the corresponding time points thereof; after about 4-5 turns, the operator removes the measuring device from the belt 13, at this time, the single chip 3 in the measuring device optimizes the sampled data, [ slip x, belt gap variation y ] are respectively used as variable x and variable y in xy coordinate system, and a graph similar to a sine curve is formed in the coordinate system and displayed on the display screen 10 for on-site preliminary analysis.
The utility model is not described in detail in the prior art.
The embodiments selected herein for the purposes of disclosing the utility model are presently considered to be suitable, but it is to be understood that the utility model is intended to include all such variations and modifications as fall within the spirit and scope of the utility model.
Claims (3)
1. The device for measuring the thermal state of the belt gap and the slippage of the rotary kiln is characterized by comprising a shell, a proximity switch, a singlechip, an electric telescopic rod, a torsion spring, a roller bracket, rollers, an encoder and a stay cord displacement sensor;
The lower part of the shell is provided with an opening, and magnets are arranged at four corners of the rear side of the shell; the proximity switch is arranged on the rear side of the shell, is electrically connected with the singlechip, and sends a detection signal of the proximity switch to the singlechip; the singlechip, the electric telescopic rod and the stay cord displacement sensor are all arranged in the shell; the torsion arm at the upper end of the torsion spring is positioned in the shell and connected with the electric telescopic rod, and the torsion arm at the lower end of the torsion spring is positioned near the opening at the lower part of the shell and connected with one end of the roller bracket; the roller is arranged on a central shaft at the other end of the roller bracket through a bearing; the encoder is arranged on the roller, and the encoder collects the rolling distance signal of the roller and sends the rolling distance signal to the singlechip; the stay cord of stay cord displacement sensor is connected with the gyro wheel support at gyro wheel center, sends the change state signal of gyro wheel projecting amount to the singlechip.
2. The rotary kiln tyre clearance and slippage thermal state measuring device according to claim 1, wherein: the front side of the shell is also provided with a display screen of the singlechip.
3. The rotary kiln tyre clearance and slippage thermal state measuring device according to claim 1, wherein: the rotary kiln tyre gap and slippage thermal state measuring device also comprises a power module, wherein the power module is arranged in the shell and is used for supplying power to the proximity switch, the singlechip, the electric telescopic rod, the encoder and the stay cord displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322381904.0U CN220853543U (en) | 2023-09-04 | 2023-09-04 | Rotary kiln tyre gap and slippage thermal state measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322381904.0U CN220853543U (en) | 2023-09-04 | 2023-09-04 | Rotary kiln tyre gap and slippage thermal state measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220853543U true CN220853543U (en) | 2024-04-26 |
Family
ID=90771019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322381904.0U Active CN220853543U (en) | 2023-09-04 | 2023-09-04 | Rotary kiln tyre gap and slippage thermal state measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220853543U (en) |
-
2023
- 2023-09-04 CN CN202322381904.0U patent/CN220853543U/en active Active
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