CN113008327A - High-temperature rotation-resistant material level switch - Google Patents
High-temperature rotation-resistant material level switch Download PDFInfo
- Publication number
- CN113008327A CN113008327A CN202110193922.9A CN202110193922A CN113008327A CN 113008327 A CN113008327 A CN 113008327A CN 202110193922 A CN202110193922 A CN 202110193922A CN 113008327 A CN113008327 A CN 113008327A
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- CN
- China
- Prior art keywords
- rotation
- radiator
- motor
- assembly
- connecting sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 17
- 239000010439 graphite Substances 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000012856 packing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/226—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water measuring the braking of a rotatable element
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/26—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings
- F16J15/30—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings with sealing rings made of carbon
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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
- F16N15/00—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
- F16N15/02—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions with graphite or graphite-containing compositions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a high-temperature rotation-resistant material level switch, and particularly relates to the technical field of material level switches, which comprises a shell assembly, a motor assembly and a blade assembly, wherein the motor assembly is arranged in the shell assembly, a circuit board assembly is fixedly arranged above a motor support, a motor is fixedly arranged below the motor support, the motor is connected with a clutch, a main shaft is connected and arranged below the clutch, a rotation-resistant connecting sleeve and a radiator are sleeved outside the main shaft, the radiator is fixedly connected below the rotation-resistant connecting sleeve, the main shaft penetrates through the radiator and the inside of the rotation-resistant connecting sleeve, a metal gasket and a graphite disk root ring are arranged at the lower end of the radiator, a first sealing cover is arranged below the graphite disk root ring, a retaining ring for a shaft is arranged below the clutch, a second bearing is arranged below the retaining ring for the shaft, an explosion-proof sleeve is arranged below the second bearing, a first bearing is arranged below, the blade assembly is connected with the main shaft, and the invention has simple structure and convenient assembly and can be used at high temperature.
Description
Technical Field
The invention relates to the technical field of material level switches, in particular to a high-temperature rotation-resistant material level switch.
Background
Hinder and revolve material level switch, it is rotatory to utilize synchronous machine to pass through reduction gear drive pivot and blade, when the solid material contact of being surveyed or cover the blade, the blade rotates and is hindered, and this resistance transmits the detection device of instrument inside through the pivot, and detection device then outwards outputs a switching signal to cut off the motor power and make blade stall. After the material retreats, the blade resistance disappears, and detection device relies on the pulling force of spring to get back to original state, and the blade resumes rotatory. The rotation-resisting material level switch can measure materials in a wider specific gravity range by adjusting the tension of the spring. When the specific gravity of the material is larger, the spring force is adjusted to be larger, otherwise, the spring force is adjusted to be smaller.
The existing high-temperature rotation-resistant material level switch is provided with an oil seal at the lower end of a radiator, the oil seal is sealed, the highest temperature resistance is 200 ℃, if the temperature is higher than 200 ℃, the oil seal can not bear higher temperature, and the product is easy to lose efficacy. In view of the lack of products above 200 ℃, there is a need to consider the design of a rotation-inhibiting product that can withstand higher temperatures.
Disclosure of Invention
In order to solve the above problems, embodiments of the present invention provide a high temperature rotation-resistant material level switch, which can satisfy the requirements of dynamic sealing and long-term wear resistance, and can resist a high temperature of 400 ℃ by adopting graphite packing ring sealing.
In order to achieve the purpose, the invention provides the following technical scheme: a high-temperature rotation-resistant material level switch comprises a shell component, a motor component and a blade component, wherein the motor component is arranged inside the shell component, the motor component comprises a motor support, a circuit board component is fixedly arranged above the motor support, a motor is fixedly arranged below the motor support, a clutch is arranged on an output shaft of the motor, a main shaft is connected and arranged below the clutch, a rotation-resistant connecting sleeve and a radiator are sleeved outside the main shaft, the radiator is fixedly connected below the rotation-resistant connecting sleeve, the main shaft penetrates through the radiator and the inside of the rotation-resistant connecting sleeve, two metal gaskets are arranged at the lower end of the radiator, a graphite disc root ring is additionally arranged in the middle of each metal gasket, a first sealing cover is arranged below the graphite disc root ring and fixedly connected with the radiator, the clutch is characterized in that a shaft check ring is arranged below the clutch, a second bearing is arranged below the shaft check ring, an explosion-proof sleeve is arranged below the second bearing, a first bearing is arranged below the explosion-proof sleeve, a hole check ring is arranged below the first bearing, and the blade assembly is connected with the main shaft.
Further, a first microswitch and a second microswitch are arranged on the circuit board assembly.
Further, motor support's top is provided with column spinner, reference column and spring hook, the reference column is used for fixing circuit board assembly, the connection of reference column top is provided with torque spring, torque spring's one end fixed mounting be in the top of reference column, torque spring's other one end is hung on the spring hook.
Further, the shell body assembly comprises a shell, a shell cover is fixedly connected to the upper portion of the shell, and the circuit board assembly is located inside the shell.
Furthermore, the rotation-resisting connecting sleeve is in threaded connection with the radiator, an external thread is arranged inside the lower end of the rotation-resisting connecting sleeve, and an internal thread is arranged at the upper end of the radiator.
Furthermore, the blade assembly is provided with a mounting hole and is fixedly mounted or welded on the main shaft through screws.
Furthermore, an oil seal is arranged in the rotation-resisting connecting sleeve at the joint of the radiator and the rotation-resisting connecting sleeve, and a second sealing cover is arranged below the oil seal.
Compared with the prior art, the invention has the technical effects and advantages that:
according to the invention, the graphite packing ring is tightly pressed by using the metal gasket for supporting and sealing the sealing cover, so that the graphite packing ring has sealing and lubricating effects, and the graphite packing ring and the framework seal on the rotation-resisting connecting sleeve have double sealing effects, so that the service life can be prolonged.
The explosion-proof sleeve is arranged between the first bearing and the second bearing in a clearance fit mode, the mode that the explosion-proof sleeve is pressed into the shell in the prior art is changed, the concentricity is better, the first bearing, the second bearing and the oil seal are arranged by adopting the rotation-resisting connecting sleeve, the concentricity of the device is improved, and the graphite packing ring seal is arranged on the radiator connected to the lower end of the device, so that the rotation of the motor main shaft is smoother.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a top view of the present invention.
The reference signs are: 1. the anti-rotation motor comprises a blade assembly, a main shaft, a first sealing cover, a metal gasket, a graphite disk root ring, a radiator, a second sealing cover, a motor support, a motor bracket, a circuit board assembly, a shell cover, a clutch, a shaft retainer, a hole retainer, a torque spring, a rotating column, a 1502 positioning column, a spring hook 1601 and a microswitch, wherein the blade assembly comprises a blade assembly, a main shaft, a first sealing cover, a metal gasket, a graphite disk root ring, a radiator, a second sealing cover, a first bearing, a flame-proof sleeve, a second bearing, a shell 13, a motor support 15, a circuit board assembly 16, a shell cover 17.
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.
The high-temperature rotation-resistant material level switch shown in the attached figures 1-2 comprises a shell assembly, a motor assembly and a blade assembly 1, wherein the motor assembly is arranged in the shell assembly, the motor assembly comprises a motor support 15, a circuit board assembly 16 is fixedly arranged above the motor support 15, a motor 14 is fixedly arranged below the motor support 15, an output shaft of the motor 14 is connected with a clutch 18, a main shaft 2 is connected and arranged below the clutch,
the outer cover of 2 main shafts is equipped with and hinders rotary joint cover 9 and radiator 6, 6 fixed connection of radiator hinder the below of rotary joint cover 9, 2 main shafts run through radiator 6 with hinder inside the rotary joint cover 9, the lower extreme of radiator 6 is provided with two metal gaskets 4, install graphite disk root ring 5 additional in the middle of the metal gasket 4, graphite disk root ring 5 below is provided with first sealed lid 3, first sealed lid 3 with 6 fixed connection of radiator, the below of clutch 18 is provided with for the shaft retaining ring 19, 19 below for the shaft retaining ring is provided with second bearing 12, 12 below of second bearing is provided with flame proof cover 11, the below of flame proof cover is provided with first bearing 10, 10 below of first bearing is provided with for the hole retaining ring 20, blade subassembly 1 with 2 is connected.
In this embodiment, the circuit board assembly 16 is provided with a first micro switch 1601 and a second micro switch 1602.
In this embodiment, a rotating column 1501, a positioning column 1502 and a spring hook 1503 are arranged above the motor support 15, the positioning column 1502 is used for fixing the circuit board assembly 16, a torque spring 21 is connected above the positioning column 1502, one end of the torque spring 21 is fixedly installed above the positioning column 1502, and the other end of the torque spring 21 is hung on the spring hook 1503.
In this embodiment, the housing assembly includes a housing 13, a housing cover 17 is fixedly connected to an upper portion of the housing 13, and the circuit board assembly 16 is located inside the housing 13.
In this embodiment, the rotation-resistant connecting sleeve 9 is in threaded connection with the radiator 6, an external thread is arranged inside the lower end of the rotation-resistant connecting sleeve 9, and an internal thread is arranged at the upper end of the radiator 6.
In this embodiment, the blade assembly 1 is provided with a mounting hole, and is fixedly mounted or welded on the main shaft 2 through a screw.
In this embodiment, an oil seal 8 is disposed inside the rotation-resisting connection sleeve at the connection between the heat sink 6 and the rotation-resisting connection sleeve 9, and a second sealing cover 7 is disposed below the oil seal 8.
During the in-service use, motor 14 drives clutch 18 and main shaft 2 rotatory to it is rotatory to drive blade subassembly 1, when the material blocks blade subassembly 1, blade subassembly 1 can receive the resistance effect, makes motor 14 self relative at shell 13 internal rotation through torque spring 21's torsion effect, drives the column of revolution 1501 on the motor support 15 and breaks away from first micro-gap switch 1601, and rotatory to second micro-gap switch 1602 is gone up, and motor 14 outage this moment is until the material breaks away from blade subassembly 1, resumes no material running state again.
According to the invention, the circuit board assembly 16 directly takes the motor support 15 as a support, the motor 14 is connected with the motor support 15 through screws, the positioning column 1502 on the motor support 15 is used for positioning the circuit assembly 16, and then the torque spring 21 is arranged on the motor support 15, so that a sheet metal part special for fixing the circuit assembly 16 is not needed, the mounting parts are simplified, the assembly is more convenient, and the cost is reduced.
According to the invention, the radiator 6 is connected with the rotation-resistant connecting sleeve 9, so that the radiating area and the radiating length are increased, the graphite packing ring 5 is additionally arranged below the radiator 6 through the middle of the two metal gaskets 4, the graphite packing ring 5 can resist the high temperature of 400 ℃, and the sealing effect is better under the condition that the motor 14 drives the main shaft 2 to rotate, and the sealing is easy.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. The utility model provides a material level switch is soon hindered to high temperature, includes housing assembly, motor element and blade subassembly (1), motor element sets up inside the housing assembly, its characterized in that: the motor assembly comprises a motor support (15), a circuit board assembly (16) is fixedly mounted above the motor support (15), a motor (14) is fixedly arranged below the motor support (15), a clutch (18) is arranged on an output shaft of the motor (14), a main shaft (2) is connected and arranged below the clutch, a rotation-resistant connecting sleeve (9) and a radiator (6) are sleeved outside the main shaft (2), the radiator (6) is fixedly connected below the rotation-resistant connecting sleeve (9), the main shaft (2) penetrates through the radiator (6) and the inside of the rotation-resistant connecting sleeve (9), two metal gaskets (4) are arranged at the lower end of the radiator (6), a graphite disc root ring (5) is additionally arranged in the middle of each metal gasket (4), and a first sealing cover (3) is arranged below the graphite disc root ring (5), first sealed lid (3) with radiator (6) fixed connection, the below of clutch (18) is provided with for the shaft retaining ring (19), for the shaft retaining ring (19) below is provided with second bearing (12), second bearing (12) below is provided with flame proof cover (11), the below of flame proof cover is provided with first bearing (10), first bearing (10) below is provided with hole retaining ring (20), blade subassembly (1) with main shaft (2) are connected.
2. The high-temperature rotation-resistant level switch as claimed in claim 1, wherein: the circuit board assembly (16) is provided with a first microswitch (1601) and a second microswitch (1602).
3. The high-temperature rotation-resistant level switch as claimed in claim 1, wherein: the motor support is characterized in that a rotating column (1501), a positioning column (1502) and a spring hook (1503) are arranged above the motor support (15), the positioning column (1502) is used for fixing the circuit board assembly (16), a torque spring (21) is connected and arranged above the positioning column (1502), one end of the torque spring (21) is fixedly installed above the positioning column (1502), and the other end of the torque spring (21) is hung on the spring hook (1503).
4. The high-temperature rotation-resistant level switch as claimed in claim 1, wherein: the shell body assembly comprises a shell (13), a shell cover (17) is fixedly connected to the upper portion of the shell (13), and the circuit board assembly (16) is located inside the shell (13).
5. The high-temperature rotation-resistant level switch as claimed in claim 1, wherein: the rotation-resisting connecting sleeve (9) is in threaded connection with the radiator (6), an external thread is arranged inside the lower end of the rotation-resisting connecting sleeve (9), and an internal thread is arranged at the upper end of the radiator (6).
6. The high-temperature rotation-resistant level switch as claimed in claim 1, wherein: the blade assembly (1) is provided with a mounting hole and is fixedly mounted or welded on the main shaft (2) through screws.
7. The high-temperature rotation-resistant level switch as claimed in claim 1, wherein: an oil seal (8) is arranged in the rotation-resisting connecting sleeve at the joint of the radiator (6) and the rotation-resisting connecting sleeve (9), and a second sealing cover (7) is arranged below the oil seal (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193922.9A CN113008327A (en) | 2021-02-20 | 2021-02-20 | High-temperature rotation-resistant material level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193922.9A CN113008327A (en) | 2021-02-20 | 2021-02-20 | High-temperature rotation-resistant material level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113008327A true CN113008327A (en) | 2021-06-22 |
Family
ID=76404608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110193922.9A Pending CN113008327A (en) | 2021-02-20 | 2021-02-20 | High-temperature rotation-resistant material level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113008327A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203324839U (en) * | 2013-05-15 | 2013-12-04 | 武汉菲舍控制技术有限公司 | High-temperature damped rotation material level controller |
| CN106300776A (en) * | 2016-10-08 | 2017-01-04 | 江苏美邦电机科技有限公司 | high efficiency motor |
| CN207647989U (en) * | 2017-12-25 | 2018-07-24 | 哈工大机器人（合肥）国际创新研究院 | A kind of sealed explosion-proof device of power output shaft |
| CN109139708A (en) * | 2017-06-15 | 2019-01-04 | 西门子公司 | Bearing lubrication structure and motor |
| CN110596353A (en) * | 2019-10-18 | 2019-12-20 | 杭州飞科电气有限公司 | Online measuring equipment for water content of crude oil |
| AU2020202669A1 (en) * | 2020-02-26 | 2020-08-06 | Guiyang Plateau Machinery Company Limited | Mine hoisting device with built-in type permanent magnet motor |
-
2021
- 2021-02-20 CN CN202110193922.9A patent/CN113008327A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203324839U (en) * | 2013-05-15 | 2013-12-04 | 武汉菲舍控制技术有限公司 | High-temperature damped rotation material level controller |
| CN106300776A (en) * | 2016-10-08 | 2017-01-04 | 江苏美邦电机科技有限公司 | high efficiency motor |
| CN109139708A (en) * | 2017-06-15 | 2019-01-04 | 西门子公司 | Bearing lubrication structure and motor |
| CN207647989U (en) * | 2017-12-25 | 2018-07-24 | 哈工大机器人（合肥）国际创新研究院 | A kind of sealed explosion-proof device of power output shaft |
| CN110596353A (en) * | 2019-10-18 | 2019-12-20 | 杭州飞科电气有限公司 | Online measuring equipment for water content of crude oil |
| AU2020202669A1 (en) * | 2020-02-26 | 2020-08-06 | Guiyang Plateau Machinery Company Limited | Mine hoisting device with built-in type permanent magnet motor |
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