CN103808385B - Contact liquid level sensor bottom fixing device and utilize the fixing means of this device - Google Patents
Contact liquid level sensor bottom fixing device and utilize the fixing means of this device Download PDFInfo
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- CN103808385B CN103808385B CN201210457368.1A CN201210457368A CN103808385B CN 103808385 B CN103808385 B CN 103808385B CN 201210457368 A CN201210457368 A CN 201210457368A CN 103808385 B CN103808385 B CN 103808385B
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Abstract
The present invention relates to a kind of contact liquid level sensor bottom fixing device and utilize the fixing means of this device, including trocar sheath, movement weight rod and permanent strong magnetic ferrum, trocar sheath top is provided with for the nut fixing with contact liquid level sensor bottom, movement weight rod top is positioned at trocar sheath, and the bottom of movement weight rod connects permanent strong magnetic ferrum.By the nut on trocar sheath top, the bottom of trocar sheath with contact liquid level sensor is fixed, it is achieved the connection of contact liquid level sensor bottom fixing device and contact liquid level sensor is fixed；The contact liquid level sensor linked together, contact liquid level sensor bottom fixing device are vertically positioned in container, by the permanent strong magnetic ferrum of contact liquid level sensor bottom fixing device and container bottom adhesive, it is achieved fixing of contact liquid level sensor bottom.
Description
Technical field
The present invention relates to a kind of contact liquid level sensor bottom fixing device and utilize the fixing means of this device.
Background technology
In prior art, contact liquid level sensor has hard rod type and flexible-cable formula two kinds.For ensureing normal operation of sensor and certainty of measurement, during use, must assure that sensor is vertical with tested liquid level, therefore hard rod type liquid level sensor is arranged in vessel top by method vertical fluid level such as flanges, and flexible-cable formula liquid level sensor, after vessel top is installed, for ensureing that sensor is vertical with liquid level, in flexible-cable formula sensor bottom equipped with weight, by gravity, cable is stretched vertical fluid level.In actual application, the only lifting of the liquid level of storage type container, liquid level relatively placidity, sensor can normally work, but the PROCESS FOR TREATMENT container for fields such as petrochemical systems, container liquid in-out flow is the biggest, liquid material not only liquid surface lifting in container, and horizontal mobility is the biggest, the most relatively high vertical container, owing to sensor is long, when sensor is affected by horizontal stream, hard rod type sensor is due to sensor length and limited strength, affected by horizontal stream, sensor arises that swing tilt phenomenon, and flexible-cable formula sensor is affected by strong and weak uneven laterally stream, can swing up and down in container, therefore normal operation of sensor and certainty of measurement are affected.If sensor is float-type, owing to ball float volume is big, big to liquid flowing resistance, affected bigger by horizontal stream, sensor is tilted at container and swings up and down and oblique bending occurs, and magnetic floating ball freely up and down can not be floated along sensor with liquid level change, makes sensor cisco unity malfunction.It is equipped with end anchor in sensor bottom that tradition solves the method for this problem, sensor bottom is fixed in container bottom, ensureing sensor to avoid by horizontal stream is affected, reach normal operation of sensor purpose, the weak point that this fixing means exists is: when sensor is installed, installation personnel has to enter into container, end anchor is fixed in container bottom, when sensor maintenance calibrating or replacing, also operator are needed to enter container, untie end anchor and container bottom fixing device, sensor could be extracted maintenance.During such as sensor maintenance calibrating or replacing, fill liquid material in container, it is necessary to tapping, clear tank, operator could enter container, such as the container of on-line operation, it is necessary to stoppage in transit, tapping, clear tank, the most not only take a lot of work the most time-consuming, return normal production and bring adverse effect with scientific research order.
Summary of the invention
Present invention aim at a kind of contact liquid level sensor bottom fixing device being provided and utilizing the fixing means of this device, facilitate the fixing of contact liquid level sensor bottom and dismounting.
Based on same inventive concept, the present invention has two independent technical schemes:
1, a kind of contact liquid level sensor bottom fixing device, including trocar sheath, movement weight rod and permanent strong magnetic ferrum, it is characterized in that: trocar sheath top is provided with for the nut fixing with contact liquid level sensor bottom, and movement weight rod top is positioned at trocar sheath, and the bottom of movement weight rod connects permanent strong magnetic ferrum.
Being provided with releasable bindiny mechanism outside trocar sheath, movement weight rod is fixed by this bindiny mechanism with trocar sheath, and during the release of this bindiny mechanism, movement weight rod can trocar sheath slide downward relatively.
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 includes that link and elastic hook, link are fixed with trocar sheath outer wall, and elastic hook is located at the top of hook bar, and the bottom of hook bar is fixed with stop screw.
Movement weight rod is made up of mobile jib and foot piece, and the universal joint consisted of two semicircular ring between mobile jib and foot piece connects, and the bottom of foot piece connects permanent strong magnetic ferrum.
2, a kind of fixing means utilizing above-mentioned contact liquid level sensor bottom fixing device, it is characterized in that: by the nut on trocar sheath top, the bottom of trocar sheath with contact liquid level sensor is fixed, it is achieved the connection of contact liquid level sensor bottom fixing device and contact liquid level sensor is fixed；The contact liquid level sensor linked together, contact liquid level sensor bottom fixing device are vertically positioned in container, by the permanent strong magnetic ferrum of contact liquid level sensor bottom fixing device and container bottom adhesive, it is achieved fixing of contact liquid level sensor.
Being provided with releasable bindiny mechanism outside the trocar sheath of contact liquid level sensor bottom fixing device, movement weight rod is fixed by this bindiny mechanism with trocar sheath, and during the release of this bindiny mechanism, movement weight rod can trocar sheath slide downward relatively；Stay cord is connected with releasable bindiny mechanism, the end of stay cord is positioned at above vessel port, and by making bindiny mechanism discharge at container outer control stay cord, movement weight rod is relative to trocar sheath slide downward, until permanent strong magnetic ferrum and container bottom adhesive, it is achieved fixing of contact liquid level sensor.
The overcoat tube wall of contact liquid level sensor bottom fixing device has spacing hole vertically, and movement weight rod is connected to stop screw, and stop screw matches with spacing hole；Releasable bindiny mechanism includes that link and elastic hook, link are fixed with trocar sheath outer wall, and elastic hook is located at the top of hook bar, and the bottom of hook bar is fixed with stop screw；Linking up with fixing by stay cord and aforementioned flexible, pull stay cord outside container, make elastic hook depart from link, slowly put stay cord, movement weight rod is relative to trocar sheath slide downward, until permanent strong magnetic ferrum and container bottom adhesive, it is achieved fixing of contact liquid level sensor.
The invention have the benefit that
Liquid material hold-up vessel and commercial production and scientific research liquid material container are mostly steels, it is special because technique needs so-called rustless steel container, also simply having one layer of corrosion resistant plate lining the thinnest in steel vessel, container outer wall is all steel, all with permanent strong magnetic ferrum adhesive.
The present invention is by adhesive at the bottom of the permanent strong magnetic ferrum (Nd-Fe-B permanent magnetic) of movement weight rod bottom and steel vessel, it is achieved contact liquid level sensor fixing, is not required to arrange end anchor, simple and easy to do, installs, dismantles and be quite convenient to.It addition, the movement weight rod top of fixing device is in trocar sheath, under gravity, can trocar sheath slide downward relatively, movement weight rod is made to stretch out the length of trocar sheath, until adhesive at the bottom of the permanent strong magnetic ferrum of movement weight rod bottom and steel vessel, it is achieved the Automatic adjusument of fixing device height.
Use the contact liquid level sensor bottom fixing device of the present invention, liquid level sensor installation and removal enter container all without operator, advantageously in the safety of operator, simultaneously, during the installation and removal of liquid level sensor device, without tapping and clear tank, the container being currently running is without stoppage in transit, can be in the case of not affecting production and scientific research normal order, it is achieved to the installation of liquid level sensor, dismantle, keep in repair calibrating and change.
Accompanying drawing explanation
Fig. 1 is the structural representation of contact liquid level sensor bottom fixing device of the present invention；
Fig. 2 is A portion partial enlarged drawing in Fig. 1；
Fig. 3 is the schematic diagram utilizing contact liquid level sensor bottom fixing device to carry out when liquid level sensor is fixed.
Detailed description of the invention
As it is shown in figure 1, movement weight rod is made up of mobile jib 4 and foot piece 6, the universal joint that mobile jib 4 and foot piece 6 are consisted of two semicircular ring 5 connects, and the bottom of foot piece 6 is by nut 7 and permanent strong magnetic ferrum 8(Nd-Fe-B permanent magnetic) fixing.Mobile jib 4 is positioned at trocar sheath 2, and trocar sheath top is provided with for the nut 1 fixing with contact liquid level sensor bottom, and overcoat tube wall has spacing hole 3 vertically.
As in figure 2 it is shown, movement weight rod is connected to stop screw 12, stop screw 12 matches with spacing hole 3.Releasable bindiny mechanism it is provided with outside trocar sheath, releasable bindiny mechanism includes link 10 and elastic hook 13, and link 10 is fixed with trocar sheath outer wall, and elastic hook 13 is located at the top of hook bar 11, the bottom of hook bar 11 is fixed with stop screw 12, is welded with draw ring 9 above elastic hook 13.During bindiny mechanism's release, i.e. elastic hook 13 departs from link 10, movement weight rod under gravity can trocar sheath 2 slide downward relatively, by stop screw 12 and spacing hole 3 coordinate carry out spacing.
As shown in Fig. 1 Fig. 3, when contact liquid level sensor is installed, contact liquid level sensor 14 bottom bolt is connected fixing with the nut 1 of fixing device, it is achieved contact liquid level sensor bottom fixing device and contact liquid level sensor 14 connect fixing.Stay cord 15 is crossed the draw ring 9 of fixing device, and by restricting, two terminations are tied, and leave enough length (more than container depth), and fag end ties up to flange 16.Liquid level sensor 14 is vertically inserted (putting in) container with fixing device from container flange seat mouth, sensor flange 16 is directed at container upper flange seat, and set up two firm bolts and reach the location of liquid level sensor, then the stay cord tying up on flange is untied, tension upwards one carries, elastic hook 13 disengages from link 10, elastic hook 13 is by elastic Guan Bi automatically, now, movement weight rod mobile jib 4 extends downwardly under gravity from trocar sheath 2, slowly put stay cord, until permanent strong magnetic ferrum 8 contacts with container bottom, be firmly fixed.At this moment, being untied two terminations of stay cord being tied, stay cord is extracted out from container, then the whole fastening bolt of mounting flange, and tighten, the installation i.e. completing liquid level sensor is fixed.
When maintenance, calibrating maybe need to change liquid level sensor, as long as untiing liquid level sensor mounting flange fastening bolt, light liquor pullover level sensor also rocks a little, lever prying force by movement weight rod, it is easy to the permanent strong magnetic ferrum making fixing device bottom disengage with container bottom, thus liquid level sensor is extracted from container.
Claims (6)
1. a contact liquid level sensor bottom fixing device, including trocar sheath, movement weight rod and permanent strong magnetic ferrum, it is characterized in that: trocar sheath top is provided with for the nut fixing with contact liquid level sensor bottom, movement weight rod top is positioned at trocar sheath, the bottom of movement weight rod connects permanent strong magnetic ferrum, releasable bindiny mechanism it is provided with outside trocar sheath, movement weight rod is fixed by this bindiny mechanism with trocar sheath, during the release of this bindiny mechanism, movement weight rod can trocar sheath slide downward relatively, stay cord is connected with releasable bindiny mechanism, the end of stay cord is positioned at above vessel port, by making bindiny mechanism discharge at container outer control stay cord, movement weight rod is relative to trocar sheath slide downward, until permanent strong magnetic ferrum and container bottom adhesive, realize the fixing of contact liquid level sensor.
Contact liquid level sensor bottom fixing device the most according to claim 1, it is characterised in that: overcoat tube wall has spacing hole vertically, and movement weight rod is connected to stop screw, and stop screw matches with spacing hole.
Contact liquid level sensor bottom fixing device the most according to claim 2, it is characterized in that: releasable bindiny mechanism includes link and elastic hook, link is fixed with trocar sheath outer wall, and elastic hook is located at the top of hook bar, and the bottom of hook bar is fixed with stop screw.
Contact liquid level sensor bottom fixing device the most according to claim 3, it is characterised in that: movement weight rod is made up of mobile jib and foot piece, and the universal joint consisted of two semicircular ring between mobile jib and foot piece connects, and the bottom of foot piece connects permanent strong magnetic ferrum.
5. one kind utilizes the fixing means of contact liquid level sensor bottom fixing device described in claim 1, it is characterized in that: by the nut on trocar sheath top, the bottom of trocar sheath with contact liquid level sensor is fixed, it is achieved the connection of contact liquid level sensor bottom fixing device and contact liquid level sensor is fixed；The contact liquid level sensor linked together, contact liquid level sensor bottom fixing device are vertically positioned in container, bindiny mechanism is discharged by stay cord, the permanent strong magnetic ferrum of contact liquid level sensor bottom fixing device and container bottom adhesive, it is achieved fixing of contact liquid level sensor bottom.
Fixing means the most according to claim 5, it is characterised in that: contact liquid level sensor bottom is fixed
The overcoat tube wall of device has spacing hole vertically, and movement weight rod is connected to stop screw, and stop screw matches with spacing hole；Releasable bindiny mechanism includes that link and elastic hook, link are fixed with trocar sheath outer wall, and elastic hook is located at the top of hook bar, and the bottom of hook bar is fixed with stop screw；
Linking up with fixing by stay cord and aforementioned flexible, pull stay cord outside container, make elastic hook depart from link, slowly put stay cord, movement weight rod is relative to trocar sheath slide downward, until permanent strong magnetic ferrum and container bottom adhesive, it is achieved fixing of contact liquid level sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210457368.1A CN103808385B (en) | 2012-11-15 | 2012-11-15 | Contact liquid level sensor bottom fixing device and utilize the fixing means of this device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210457368.1A CN103808385B (en) | 2012-11-15 | 2012-11-15 | Contact liquid level sensor bottom fixing device and utilize the fixing means of this device |
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| CN103808385A CN103808385A (en) | 2014-05-21 |
| CN103808385B true CN103808385B (en) | 2016-08-17 |
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| CN201210457368.1A Active CN103808385B (en) | 2012-11-15 | 2012-11-15 | Contact liquid level sensor bottom fixing device and utilize the fixing means of this device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CA3220349A1 (en) * | 2015-09-01 | 2017-03-09 | Franklin Fueling Systems, Inc. | Tank maintenance access chamber |
| CN106248166B (en) * | 2016-08-31 | 2023-04-07 | 合肥邦立电子股份有限公司 | Practical electric heating liquid level sensor for vehicle |
| CN109379651B (en) * | 2018-12-05 | 2020-12-25 | 安徽风雷机械设备制造有限公司 | Make things convenient for microphone support for stage that tractive breaks away from |
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| EP1519161A2 (en) * | 2003-09-12 | 2005-03-30 | FIAT AUTO S.p.A. | Liquid level sensor for motor vehicles |
| CN200968874Y (en) * | 2006-11-10 | 2007-10-31 | 丹东市通博电器有限公司 | Float connecting mechanism for float level transducer |
| CN202002694U (en) * | 2010-01-20 | 2011-10-05 | 西安长庆科技工程有限责任公司 | Telescopic flange liquid level transmission device |
| CN202177423U (en) * | 2011-08-15 | 2012-03-28 | 中国航空工业集团公司西安飞机设计研究所 | Liquid level height measuring device |
| CN202255565U (en) * | 2011-10-08 | 2012-05-30 | 黄文� | Liquid level sensor |
| CN202994237U (en) * | 2012-11-15 | 2013-06-12 | 范序政 | Fixing device for bottom end of contact type liquid level sensor |
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- 2012-11-15 CN CN201210457368.1A patent/CN103808385B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1519161A2 (en) * | 2003-09-12 | 2005-03-30 | FIAT AUTO S.p.A. | Liquid level sensor for motor vehicles |
| CN200968874Y (en) * | 2006-11-10 | 2007-10-31 | 丹东市通博电器有限公司 | Float connecting mechanism for float level transducer |
| CN202002694U (en) * | 2010-01-20 | 2011-10-05 | 西安长庆科技工程有限责任公司 | Telescopic flange liquid level transmission device |
| CN202177423U (en) * | 2011-08-15 | 2012-03-28 | 中国航空工业集团公司西安飞机设计研究所 | Liquid level height measuring device |
| CN202255565U (en) * | 2011-10-08 | 2012-05-30 | 黄文� | Liquid level sensor |
| CN202994237U (en) * | 2012-11-15 | 2013-06-12 | 范序政 | Fixing device for bottom end of contact type liquid level sensor |
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| CN103808385A (en) | 2014-05-21 |
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Inventor after: Lu Dongfeng Inventor after: Bai Shilong Inventor after: Wang Lijuan Inventor after: Liu Bo Inventor after: Teng Shaochen Inventor after: Zhang Chengjun Inventor after: Guo Daizong Inventor after: Fan Xuzheng Inventor before: Fan Xuzheng |
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