CN211262398U - Radar level meter protection device - Google Patents
Radar level meter protection device Download PDFInfo
- Publication number
- CN211262398U CN211262398U CN202020110371.6U CN202020110371U CN211262398U CN 211262398 U CN211262398 U CN 211262398U CN 202020110371 U CN202020110371 U CN 202020110371U CN 211262398 U CN211262398 U CN 211262398U
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- radar level
- protection device
- connecting rod
- transmission shaft
- level gauge
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model provides a radar level gauge protection device, protection device is including fixing drive mechanism on the pre-installation board and the protector that is located the drive mechanism below, the horn mouth and the protector of radar level gauge extend to inside the container. Protector includes the transmission shaft, and the connecting rod of connecting perpendicularly with the transmission shaft, sets up the balancing weight and the baffle of connection at the connecting rod other end at connecting rod one end, and drive mechanism passes through the transmission shaft and drives the connecting rod rotation, does not need radar level meter during operation, revolves the baffle to horn mouth below, prevents that the material from spattering, when needs radar level meter during operation, moves away the baffle, carries out measurement work. This protection device has effectively avoided mud to spatter the antenna in the radar level meter horn mouth, has guaranteed radar level meter result of use, and this device simple structure accomplishes through automatic control program operation, has greatly reduced manpower capital.
Description
Technical Field
The utility model relates to a level measuring device technical field especially relates to a radar level meter protection device.
Background
The radar level meter adopts a microwave pulse measuring method, can be normally used in an industrial frequency band range, has low beam energy, can be installed in various metal and nonmetal containers or pipelines, and can be used for carrying out non-contact continuous measurement on the level of liquid, slurry and particulate matters. In the municipal sludge pyrohydrolysis treatment process, a storage bin is needed for storing sludge, the capacity of the sludge storage bin is generally 250-350 cubic meters, and the height of the storage bin is 9-12 meters. In order to master the handling capacity of each shift or the handling capacity in unit time, the material level in the bin needs to be measured, the manual heavy hammer measurement needs an operator to climb to the top of the bin, the safety coefficient is low, and the measurement is inaccurate. Installation radar level meter is because the feed bin feed inlet is on feed bin upper portion, and paste mud produces the splash when falling to the charge level from the storehouse top feed inlet during the feeding, and the mud piece size that splashes varies, can splash very high, and some mud pieces can splash to the radar antenna on, can cause radar level meter measurement numerical value distortion or report the mistake.
In view of the above, there is a need for an improved level gauge of the prior art to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to disclose a radar level meter protection device for prevent that radar level meter horn mouth from being spattered by materials such as mud, water stain in the container, the accuracy of protection radar level meter measurement value.
In order to achieve the above object, the present invention provides a radar level gauge protection device, which comprises a container, a pre-installation plate installed on the top of the container, a radar level gauge fixed on the pre-installation plate, and a protection device; the protection device comprises a transmission mechanism fixed on the preassembly plate and a protection device positioned below the transmission mechanism, and the horn mouth of the radar level gauge and the protection device extend into the container.
In some embodiments, the protection device includes a transmission shaft, a connecting rod vertically connected to the transmission shaft, a weight block disposed at one end of the connecting rod, and a baffle connected to the other end of the connecting rod.
In some embodiments, the baffle is circular, the diameter of the baffle is 1.5-2 times of the diameter of a horn mouth of the radar level gauge, and the baffle is located right below the horn mouth.
In some embodiments, the transmission mechanism comprises a transmission mechanism mounting frame, a motor located above the transmission mechanism mounting frame, and a speed reducing mechanism connected with an output shaft of the motor, the transmission shaft is connected to the speed reducing mechanism and synchronously rotates with the speed reducing mechanism, and the transmission mechanism mounting frame is fixed on the pre-mounting plate.
In some embodiments, the transmission shaft is provided with a first cam and a second cam which synchronously rotate along with the transmission shaft, the transmission mechanism mounting frame is further provided with two travel switch mounting frames, and the travel switch mounting frames are respectively provided with a first travel switch and a second travel switch.
In some embodiments, the connecting rod is provided with a key slot, the transmission shaft penetrates through the key slot to be connected with the connecting rod, and the transmission shaft drives the connecting rod to rotate synchronously.
Compared with the prior art, the beneficial effects of the utility model are that: a protection device is arranged below the radar level meter, so that sludge is effectively prevented from splashing to a horn antenna of the radar level meter, and the using effect of the radar level meter is ensured; the transmission mechanism of the protection device drives the protection device to rotate through the transmission shaft, the baffle rotates to the position below the horn mouth of the radar level meter, and the rotation position of the baffle is controlled through the travel switch, so that the protection effect is simply and effectively achieved; the device has a simple structure, is operated and finished through an automatic control program, and greatly reduces the human capital.
Drawings
FIG. 1 is a schematic view of an installation structure of a protection device of a radar level gauge according to the present invention;
FIG. 2 is a schematic view of the arrangement of the radar level gauge protection device shown in FIG. 1;
fig. 3 is a schematic structural view of a transmission mechanism of the protection device of the present invention;
fig. 4 is a schematic structural view of a protection device of the present invention;
description of reference numerals: 1. a container; 2. pre-assembling a plate; 3. a radar level gauge; 31. a bell mouth; 4. a transmission mechanism; 41. a motor; 411. an output shaft; 42. a speed reduction mechanism; 421. a reduction mechanism mounting frame; 422. a reduction mechanism gear group; 5. a first travel switch; 6. a first cam; 7. a second travel switch; 8. a second cam; 9. a travel switch mounting bracket; 10. a drive shaft; 11. a balancing weight; 12. connecting rod, 121, keyway; 13. and a baffle plate.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
1-4, a radar level gauge protection device, comprising a tank 1, a pre-mounted plate 2 mounted on top of the tank 1, a radar level gauge 3 fixed to the pre-mounted plate 2, and a protection device; the protection device comprises a transmission mechanism 4 fixed on the pre-assembly plate 2 and a protection device positioned below the transmission mechanism 4, and the bell mouth 31 of the radar level gauge 3 and the protection device extend into the container 1.
The protection device comprises a transmission shaft 10, a connecting rod 12 vertically connected with the transmission shaft 10, a balancing weight 11 arranged at one end of the connecting rod 12 and a baffle 13 connected to the other end of the connecting rod 12. The baffle 13 is circular, the diameter of the baffle 13 is 1.5-2 times of the diameter of a bell mouth 31 of the radar level gauge 3, and the baffle 13 is located under the bell mouth 31. The moment of the balancing weight 11 is adjusted by adjusting the position of the fixing nut on the connecting rod 12, so that the weight of two ends of the connecting part of the connecting rod 12 and the transmission shaft 10 is balanced.
Be equipped with on the transmission shaft 10 along with synchronous pivoted first cam 6, second cam 8 of transmission shaft 10, drive mechanism mounting bracket 421 still is equipped with two travel switch mounting brackets 9, be equipped with first travel switch 5 and second travel switch 7 on the travel switch mounting bracket 9 respectively. The connecting rod 12 is provided with a key groove 121, the transmission shaft 10 penetrates through the key groove 121 to be connected with the connecting rod 12, and the transmission shaft 10 drives the connecting rod 12 to synchronously rotate.
The working principle is as follows: the motor 41 drives the connecting rod 12 to rotate together with the baffle 13 through the speed reducing mechanism 42 and the transmission shaft 10, and the baffle can rotate to the position right below the bell mouth 31 as required to prevent materials from being splashed. The baffle 13 is initially positioned just below the flare 31 and is in the closed position. When the material level needs to be measured, the control box controls the motor 41 to rotate positively manually under the bin, meanwhile, the power is supplied to the radar level gauge 3 through the electric control system, the motor 41 drives the baffle 13 to rotate clockwise, the first cam 6 installed on the transmission shaft 10 touches the first travel switch 5, the baffle 13 stops rotating, after data is recorded and displayed, the motor 41 is controlled to rotate reversely, the motor 41 drives the baffle 13 to rotate anticlockwise, when the baffle 13 completely shields the horn mouth 31, the second cam 8 installed on the transmission shaft 10 touches the second travel switch 7, the baffle 13 stops rotating, meanwhile, the power of the radar level gauge 3 is disconnected, the baffle 13 shields the horn mouth 31, splashed sludge cannot splash onto an antenna in the horn mouth 31, and the accuracy of data during next measurement is guaranteed.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The radar level gauge protection device is characterized by comprising a container, a pre-installation plate arranged at the top of the container, a radar level gauge fixed on the pre-installation plate and a protection device; the protection device comprises a transmission mechanism fixed on the preassembly plate and a protection device positioned below the transmission mechanism, and the horn mouth of the radar level gauge and the protection device extend into the container.
2. The radar level gauge protection device according to claim 1, wherein said protection device comprises a transmission shaft, a connecting rod perpendicularly connected to the transmission shaft, a weight disposed at one end of the connecting rod, and a baffle plate connected to the other end of the connecting rod.
3. The radar level gauge protection device according to claim 2, wherein said baffle is circular, wherein said baffle has a diameter 1.5-2 times the diameter of the horn of the radar level gauge, and wherein said baffle is located directly below the horn.
4. The radar level gauge protection device according to claim 2, wherein said transmission mechanism comprises a transmission mechanism mounting bracket, a motor located above said transmission mechanism mounting bracket, and a reduction mechanism connected to an output shaft of said motor, said transmission shaft being connected to said reduction mechanism and rotating synchronously therewith, said transmission mechanism mounting bracket being fixed to said pre-mounting plate.
5. The radar level gauge protection device according to claim 4, wherein said transmission shaft is provided with a first cam and a second cam which rotate synchronously with the transmission shaft, said transmission mechanism mounting frame is further provided with two travel switch mounting frames, and said travel switch mounting frames are respectively provided with a first travel switch and a second travel switch.
6. The radar level gauge protection device according to claim 4, wherein said connecting rod is provided with a key slot, said transmission shaft penetrates through the key slot and is connected with the connecting rod, and said transmission shaft drives the connecting rod to rotate synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020110371.6U CN211262398U (en) | 2020-01-18 | 2020-01-18 | Radar level meter protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020110371.6U CN211262398U (en) | 2020-01-18 | 2020-01-18 | Radar level meter protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211262398U true CN211262398U (en) | 2020-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020110371.6U Active CN211262398U (en) | 2020-01-18 | 2020-01-18 | Radar level meter protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211262398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268598A (en) * | 2020-11-04 | 2021-01-26 | 安徽安广电气有限公司 | Radar level meter with sweep function |
-
2020
- 2020-01-18 CN CN202020110371.6U patent/CN211262398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268598A (en) * | 2020-11-04 | 2021-01-26 | 安徽安广电气有限公司 | Radar level meter with sweep function |
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