CN202994237U - Fixing device for bottom end of contact type liquid level sensor - Google Patents
Fixing device for bottom end of contact type liquid level sensor Download PDFInfo
- Publication number
- CN202994237U CN202994237U CN 201220600570 CN201220600570U CN202994237U CN 202994237 U CN202994237 U CN 202994237U CN 201220600570 CN201220600570 CN 201220600570 CN 201220600570 U CN201220600570 U CN 201220600570U CN 202994237 U CN202994237 U CN 202994237U
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- China
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- liquid level
- level sensor
- fixing device
- outer tube
- weight rod
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Abstract
The utility model relates to a fixing device for the bottom end of a contact type liquid level sensor. The fixing device comprises an outer sleeve, a weight rod and a strong permanent magnet, a nut for being fixed with the bottom end of the contact type liquid level sensor is arranged at the top end of the outer sleeve, the upper portion of the weight rod is positioned in the outer sleeve, and the bottom end of the weight rod is connected with the strong permanent magnet. The outer sleeve is fixed with the bottom end of the contact type liquid level sensor through the nut at the top end of the outer sleeve, so that the fixing device for the bottom end of the contact type liquid level sensor is fixedly connected with the contact type liquid level sensor. The contact type liquid level sensor and the fixing device for the bottom end of the contact type liquid level sensor which are connected together are vertically placed in a container and are attracted with the bottom of the container through the strong permanent magnet of the fixing device for the bottom end of the contact type liquid level sensor, so that the bottom end of the contact type liquid level sensor is fixed.
Description
Technical field
The utility model relates to a kind of contact liquid level sensor bottom fixing device.
Background technology
In prior art, the contact liquid level sensor has two kinds of hard rod type and flexible-cable formulas.For guaranteeing normal operation of sensor and measuring accuracy, in use procedure, must guarantee that sensor is vertical with tested liquid level, therefore the hard rod type liquid level sensor is arranged on vessel top by the vertical liquid level of the methods such as flange, and flexible-cable formula liquid level sensor, after installing on vessel top, for guaranteeing that sensor is vertical with liquid level, in flexible-cable formula sensor bottom, weight is housed, by gravity with the stretching vertical liquid level of cable.in practical application, the liquid level of storage type container only has lifting, the liquid level relatively placidity, sensor can work, but the PROCESS FOR TREATMENT container for fields such as petrochemical systems, container liquid in-out flow is very large, the interior liquid material of container is liquid surface lifting not only, and cross flow is also very large, especially than the high vertical container, because sensor is long, when being subjected to cross-current, sensor affects, the hard rod type sensor is long and intensity is limited due to sensor, affected by cross-current, tilt phenomenon will appear swinging in sensor, and flexible-cable formula sensor is affected by strong and weak uneven cross-current, can swing up and down in container, therefore affect normal operation of sensor and measuring accuracy.Float-type as sensor, because the ball float volume is large, large to liquid flowing resistance, affected by cross-current larger, sensor tilts in container and swings up and down and oblique bending occurs, and the magnetic ball float can not change along the sensor easy on and off with liquid level unsteady, makes the sensor cisco unity malfunction.The tradition ways of addressing this issue is in the sensor bottom, end anchor to be housed, the sensor bottom is fixed on container bottom, guarantee that sensor avoids being subjected to cross-current to affect, reach the normal operation of sensor purpose, the weak point that this fixing means exists is: during installation of sensors, installation personnel must enter container, end anchor is fixed on container bottom, when sensor maintenance calibrating or replacing, also need operating personnel to enter container, untie end anchor and container bottom stationary installation, sensor could be extracted maintenance.During as sensor maintenance calibrating or replacing, fill liquid material in container, also necessary tapping, clear tank, operating personnel just can enter container, as the container of on-line operation, and also necessary stoppage in transit, tapping, clear tank, the effort of so not only taking a lot of work is time-consuming, returns normal production and the scientific research order is brought adverse effect.
Summary of the invention
The utility model purpose is to provide a kind of contact liquid level sensor bottom fixing device, facilitates the fixing and dismounting of contact liquid level sensor bottom.
The technical solution of the utility model:
A kind of contact liquid level sensor bottom fixing device, comprise outer tube, movement weight rod and permanent strong magnetic iron, it is characterized in that: the outer tube top be provided with for the fixing nut in contact liquid level sensor bottom, movement weight rod top is positioned at outer tube, the bottom of movement weight rod connects permanent strong magnetic iron.
The outer tube outside is provided with releasable bindiny mechanism, and movement weight rod and outer tube are fixed by this bindiny mechanism, and when this bindiny mechanism discharged, movement weight rod is the outer tube down sliding relatively.
The overcoat tube wall has spacing hole vertically, and movement weight rod is connected to stop screw, and stop screw matches with spacing hole.
Releasable bindiny mechanism comprises link and elastic hook, and link and outer tube outer wall are fixed, and elastic hook is located at the top of hook bar, and bottom and the stop screw of hook bar are fixed.
Movement weight rod is comprised of mobile jib and foot piece, and the universal joint that consists of by two semicircular ring between mobile jib and foot piece connects, and the bottom of foot piece connects permanent strong magnetic iron.
The beneficial effect that the utlity model has:
Liquid material hold-up vessel and commercial production and scientific research are mostly steels with the liquid material container, it is special because technique needs so-called rustless steel container, the very thin corrosion resistant plate lining of one deck is also just arranged in steel vessel, and container outer wall is all steel, all with the adhesive of permanent strong magnetic iron.
The utility model is realized the fixing of contact liquid level sensor by the permanent strong magnetic iron (Nd-Fe-B permanent magnetic) and adhesive at the bottom of steel vessel of movement weight rod bottom, end anchor need be set, and is simple and easy to do, installs, dismantles all very convenient.In addition, the movement weight rod top of stationary installation is in outer tube, under action of gravitation, outer tube down sliding relatively, make movement weight rod stretch out the length of outer tube elongated, until adhesive at the bottom of the permanent strong magnetic iron of movement weight rod bottom and steel vessel realizes that the self-adaptation of stationary installation height is regulated.
Adopt contact liquid level sensor bottom fixing device of the present utility model, the liquid level sensor installation and removal all enter container without operating personnel, the safety that more is conducive to operating personnel, simultaneously, during the installation and removal of liquid level sensor device, without tapping and clear tank, the container that is moving also need not be stopped transport, can not affect in production and scientific research normal order situation, realizing installation, dismounting, the maintenance calibrating to liquid level sensor and change.
Description of drawings
Fig. 1 is the structural representation of contact liquid level sensor bottom fixing device of the present invention;
Fig. 2 is A section partial enlarged drawing in Fig. 1;
Fig. 3 utilizes contact liquid level sensor bottom fixing device to carry out the schematic diagram of liquid level sensor fixedly the time.
Embodiment
As shown in Figure 1, movement weight rod is comprised of mobile jib 4 and foot piece 6, and mobile jib 4 is connected with foot piece by the universal joint connection of two semicircular ring, 5 formations, and the bottom of foot piece 6 is by nut 7 and permanent strong magnetic iron 8(Nd-Fe-B permanent magnetic) fixing.Mobile jib 4 is positioned at outer tube 2, the outer tube top be provided with for the fixing nut 1 in contact liquid level sensor bottom, the overcoat tube wall has spacing hole 3 vertically.
As shown in Figure 2, movement weight rod is connected to stop screw 12, and stop screw 12 matches with spacing hole 3.The outer tube outside is provided with releasable bindiny mechanism, releasable bindiny mechanism comprises link 10 and elastic hook 13, link 10 is fixed with the outer tube outer wall, elastic hook 13 is located at the top of hook bar 11, bottom and the stop screw 12 of hook bar 11 fixed, and elastic hook 13 tops are welded with draw ring 9.When bindiny mechanism discharged, namely elastic hook 13 broke away from link 10, and movement weight rod outer tube 2 down slidings relatively under Action of Gravity Field are by stop screw 12 and coordinating of spacing hole 3 carrying out spacing.
As Fig. 1-shown in Figure 3, when the contact liquid level sensor is installed, the nut 1 of contact liquid level sensor 14 bottom bolts and stationary installation is connected and fixed, realize that contact liquid level sensor bottom fixing device and contact liquid level sensor 14 are connected and fixed.Stay cord 15 is crossed the draw ring 9 of stationary installation, two terminations of restricting are tied, and leave enough length (greater than container depth), and fag end ties up to flange 16.Liquid level sensor 14 is vertically inserted (putting in) container with stationary installation from container flange seat mouth, sensor flange 16 is aimed at container upper flange seat, and set up the location that two firm bolts reach liquid level sensor, then untie the stay cord that ties up on flange, tension upwards one is carried, elasticity hook 13 is thrown off from link 10, elasticity hook 13 is by the elasticity auto-closing, at this moment, movement weight rod mobile jib 4 stretches out downwards from outer tube 2 under Action of Gravity Field, slowly put stay cord, until permanent strong magnetic iron 8 contacts with container bottom, firmly be fixed.At this moment, stay cord two terminations that are tied are untied, stay cord is extracted out from container, whole fastening bolts of mounting flange then, and tighten, namely complete the installation of liquid level sensor and fix.
Keep in repair, examine and determine in the time of maybe need changing liquid level sensor, as long as untie liquid level sensor mounting flange fastening bolt, light liquor pullover level sensor also rocks a little, lever prying force by movement weight rod, be easy to make permanent strong magnetic iron and the container bottom disengagement of stationary installation bottom, thereby liquid level sensor is extracted from container.
Claims (5)
1. contact liquid level sensor bottom fixing device, comprise outer tube, movement weight rod and permanent strong magnetic iron, it is characterized in that: the outer tube top be provided with for the fixing nut in contact liquid level sensor bottom, movement weight rod top is positioned at outer tube, the bottom of movement weight rod connects permanent strong magnetic iron.
2. contact liquid level sensor bottom fixing device according to claim 1, it is characterized in that: be provided with releasable bindiny mechanism outside outer tube, movement weight rod and outer tube are fixed by this bindiny mechanism, and when this bindiny mechanism discharged, movement weight rod is the outer tube down sliding relatively.
3. contact liquid level sensor bottom fixing device according to claim 2, it is characterized in that: the overcoat tube wall has spacing hole vertically, and movement weight rod is connected to stop screw, and stop screw matches with spacing hole.
4. contact liquid level sensor bottom fixing device according to claim 3, it is characterized in that: releasable bindiny mechanism comprises link and elastic hook, link and outer tube outer wall are fixed, and elastic hook is located at the top of hook bar, and bottom and the stop screw of hook bar are fixed.
5. contact liquid level sensor bottom fixing device according to claim 4, it is characterized in that: movement weight rod is comprised of mobile jib and foot piece, and the universal joint that consists of by two semicircular ring between mobile jib and foot piece connects, and the bottom of foot piece connects permanent strong magnetic iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220600570 CN202994237U (en) | 2012-11-15 | 2012-11-15 | Fixing device for bottom end of contact type liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220600570 CN202994237U (en) | 2012-11-15 | 2012-11-15 | Fixing device for bottom end of contact type liquid level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994237U true CN202994237U (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220600570 Expired - Fee Related CN202994237U (en) | 2012-11-15 | 2012-11-15 | Fixing device for bottom end of contact type liquid level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808385A (en) * | 2012-11-15 | 2014-05-21 | 范序政 | Bottom end fixing device of contact liquid level sensor and fixing method using bottom end fixing device |
-
2012
- 2012-11-15 CN CN 201220600570 patent/CN202994237U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808385A (en) * | 2012-11-15 | 2014-05-21 | 范序政 | Bottom end fixing device of contact liquid level sensor and fixing method using bottom end fixing device |
| CN103808385B (en) * | 2012-11-15 | 2016-08-17 | 范序政 | Contact liquid level sensor bottom fixing device and utilize the fixing means of this device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20161115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |