CN110371712A - A kind of Anti-rotation type material level switch - Google Patents
A kind of Anti-rotation type material level switch Download PDFInfo
- Publication number
- CN110371712A CN110371712A CN201910640760.1A CN201910640760A CN110371712A CN 110371712 A CN110371712 A CN 110371712A CN 201910640760 A CN201910640760 A CN 201910640760A CN 110371712 A CN110371712 A CN 110371712A
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- China
- Prior art keywords
- pushing block
- micromotor
- guide rod
- wall
- drive shaft
- Prior art date
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- 239000000463 material Substances 0.000 title claims abstract description 60
- 238000003756 stirring Methods 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000011521 glass Substances 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/04—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials
- B65G69/0458—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials with rotating means, e.g. tables, arms
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The present invention provides a kind of Anti-rotation type material level switchs, belong to glass manufacturing apparatus technical field.This level switch includes micromotor, drive shaft, fixing sleeve, installation set, baffle-wall, stir band and guide rod, the output shaft of drive shaft and micromotor is fixedly linked, the shell of fixing sleeve and micromotor is fixedly linked, guide rod is plugged and is slidably connected in installation set, a position switch is provided at the upper end opening of installation set, guide rod when moving up can trigger position switch and start micromotor, with the mounting hole of lower ending opening in drive shaft, there is internal spline in mounting hole, guide rod outer wall has external splines, pushing block one and pushing block two are slidably connected in mounting hole, a spring stack is connected between pushing block one and pushing block two, pushing block two is located at the top of pushing block one, a pressure sensor is fixedly installed in the mounting hole of the top of pushing block two, pushing block two can trigger pressure sensor and close micromotor.The present invention has many advantages, such as to can be improved precision.
Description
Technical field
The invention belongs to glass manufacturing apparatus technical fields, are related to a kind of Anti-rotation type material level switch.
Background technique
The inside that the primary structure of traditional Anti-rotation type material level switch lies in a shell is installed with micro machine, transmission shaft, transmission
The components such as the terminal board and microswitch of signal, wherein one end of transmission shaft connects the driving device, other end connecting steel wire ropes
It pops one's head in rotating vane.Furthermore the use of blocking rotary type level switch is fixed on a material bin, micro motor for driving transmission shaft and
Blade probe rotation, in practice, granule materials can play level switch wirerope to the other side, make wirerope and pivoting leaf for production
Piece probe is in heeling condition, influences material bin detection or even feed bin when buying securities with all one's capital, level switch is failure to actuate, and equipment is damaged.
Furthermore for the sandstone class raw material in graininess, especially Improving Glass Manufacturing Processes, existing level switch exists
Very big trueness error, the reason is that material enters after feed bin in " heap " shape, the corresponding position material of feed opening is obviously higher by it
No matter in which position all there is large error in his position, the position of level switch setting, sometimes error reaches height of materials
10 or more, this does not obviously meet detection requirement.
In existing way, it is sometimes necessary to which multiple level switch are set, but this there is also management and judges benchmark
Problem is merely able to through micro-judgment, and the environment that the high temperature and needs of raw material maintain does not allow open a position inspection and observation, this gives
Production brings great inconvenience.
Existing level switch the problem of there is also an energy wastes, micromotor is constantly in working condition, until
Until probe does not rotate, the case where for slow blanking or intermittent blanking, the operating time of micromotor is very big, causes equipment
Loss it is larger, energy waste is serious.
Summary of the invention
In view of the above problems existing in the prior art, the purpose of the present invention is to provide a kind of Anti-rotation type material level switchs, originally
The technical problems to be solved by the invention are how to open micromotor in due course, with energy saving.
Object of the invention can be realized by the following technical scheme: a kind of Anti-rotation type material level switch, which is characterized in that this
Level switch includes micromotor, drive shaft, fixing sleeve, installation set, baffle-wall, stirring band and guide rod, the drive shaft with it is micro-
The output shaft of type motor is fixedly linked, and the shell of the fixing sleeve and micromotor is fixedly linked, the installation set and fixing sleeve
Between be rotatablely connected by bearing, the guide rod plugs and is slidably connected in installation set, and the baffle-wall is fixed on guide rod
Lower end, the stirring has at least two, and the both ends of every stirring band are separately connected upper surface and the installation set of baffle-wall
Lower end is provided with a position switch at the upper end opening of the installation set, the position can be triggered when the guide rod moves up
Micromotor is switched and starts, the mounting hole with lower ending opening in the drive shaft, the mounting hole is interior to have internal spline, institute
Stating guide rod outer wall has external splines, slidably connects pushing block one and pushing block two, the pushing block one and pushing block in the mounting hole
A spring stack is connected between two, the pushing block two is located at the top of pushing block one, consolidates in the mounting hole of the top of the pushing block two
Surely it is provided with a pressure sensor, the pushing block two can trigger pressure sensor and close the micromotor.
When being persistently fed into material position arrival baffle-wall position in feed bin, baffle-wall compression is moved up, and makes to move to trigger bit on guide rod
Switch is set, micromotor starting, drive shaft rotation, and then in guide rod insertion drive shaft, the two is because of internal spline and external splines
In conjunction with rear synchronous rotary, stirs band and relax because the displacement between baffle-wall and fixing sleeve reduces, the middle lower end for stirring band is being centrifuged
It is raised outward under power effect, the material above feed bin is stirred, so that surface of material is tended to be smooth, guide rod moves up process
Middle promotion pushing block one moves up, and holddown spring column, the pressure for acting on pushing block two on pressure sensor is gradually increased, until pressure
Sensor closes micromotor to limiting pressure, issues the signal of bin blanking to specified altitude assignment at the same time, that is, under completing
Expect operation.
The unlatching of micromotor is opened when material position is close to monitoring material position in this level switch, rather than normally opened,
The energy is greatly saved in this, for the feed bin of slow blanking, intermittent blanking, moreover it is possible to equipment is protected well,
It avoids normally opened overlong time and is damaged.
It stirs and carries out smoothing operation when band is close to material to monitor material position, and in material position not yet close to before baffle-wall, due to
The gravity of spring stack effect and baffle-wall and guide rod, stirring band will not occupy empty inside feed bin at longitudinal state that hangs
Between, to prevent it from influencing the entrance of material and the interference of other component.
Stirring band can make have rubber strip flexible, with certain mass, be also possible to the metal bracelet of multi-section type.
The stopping of micromotor is pressure sensor triggering, and material position reaches the limit of rear baffle-wall pressure and increases, in addition spring
Column compression degree is larger and triggers pressure sensor, and the mode of traditional draught control micromotor is not only easily damaged micro electric
Machine, and to the problem that different types of material has judgement inaccurate.
After flattening to material upper surface, the pressure that pressure sensor is subject to is capable of the position of direct reaction mass
It sets, improves precision, why does is pressure capable of the position of reaction mass? this is determined by several aspects once: being hindered first
Plate is in rotation status, and its outside has stirring band, and material is difficult to be deposited on baffle-wall；Furthermore resistance band is to the whole of material
It is flat not to be rigid, reduce material to the reaction force of drive shaft, it is ensured that resistance will not influence drive shaft rotation；Moreover, material position
The position below feed opening will not be arranged in switch, higher to the necessity of the leveling of material, and stacking material can above baffle-wall
Energy property is lower.
In a kind of above-mentioned Anti-rotation type material level switch, there is escape groove one on the fixing sleeve, have in the drive shaft
There is the escape groove two of penetrating mounting holes, is inserted with the fixation being fixedly linked with the shell of pressure sensor in the escape groove two
Bar, being threaded in the fixed link can be by the fixed locking nut on the driving shaft of fixed link.
By the adjustment to pressure sensor position, adjustable triggering pressure.
In a kind of above-mentioned Anti-rotation type material level switch, the position switch is hinged at installation set upper end opening including one
Door piece.
Door piece hinged place is the hinge with reduction torsion spring, and rotary switch is arranged in hinge, about each switch and micromotor
Between circuit be custom circuit, it will not be described here, door piece swing angular range be 90 degree within, the lower end energy of drive shaft
Enough limitation door pieces continue to swing.
In a kind of above-mentioned Anti-rotation type material level switch, the baffle-wall is in the form of annular discs, and the outer rim thickness of the baffle-wall is less than
Interior thickness.
The structure of baffle-wall effectively can avoid material from accumulating above baffle-wall.
In a kind of above-mentioned Anti-rotation type material level switch, the stirring band includes several end to end chain links, the chain
The both ends of section are rotatably connected to a pin shaft respectively, hinged by pin shaft between adjacent link, and one end of the chain link has can
Limit the limit plate that chain link adjacent thereto is swung；Each chain link is rocked to limit position to far from guide rod outside in the stirring band
When setting, adjacent link is in same level.
Stirring band is the chain with limit function, and the lower semisection for stirring band can be made to be in a horizontal state, and improves stirring effect
While fruit, stirring range can be gradually increased with moving up for guide rod.
Detailed description of the invention
Fig. 1 is the overall structure diagram of this level switch.
Fig. 2 is the partial structural diagram that band is stirred in this level switch.
In figure, 1, micromotor；21, drive shaft；22, fixing sleeve；23, installation set；24, baffle-wall；3, band is stirred；31, chain
Section；32, pin shaft；33, limit plate；41, guide rod；42, position switch；43, pushing block one；44, pushing block two；45, spring stack；46,
Pressure sensor；47, escape groove one；48, escape groove two；49, locking nut.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, this level switch include micromotor 1, drive shaft 21, fixing sleeve 22, installation set 23, baffle-wall 24,
Stirring band 3 and guide rod 41, drive shaft 21 and the output shaft of micromotor 1 are fixedly linked, the shell of fixing sleeve 22 and micromotor 1
Body is fixedly linked, and is rotatablely connected between installation set 23 and fixing sleeve 22 by bearing, and guide rod 41 plugs and is slidably connected at peace
In encapsulation 23, baffle-wall 24 is fixed on the lower end of guide rod 41, and stirring band 3 has at least two, and the both ends difference of every stirring band 3
The upper surface of baffle-wall 24 and the lower end of installation set 23 are connected, a position switch 42 is provided at the upper end opening of installation set 23, leads
Trigger position switch 42 and micromotor 1 can be started when moving up to bar 41, with the mounting hole of lower ending opening in drive shaft 21,
There is internal spline, 41 outer wall of guide rod has external splines, slidably connects pushing block 1 and pushing block two in mounting hole in mounting hole
44, a spring stack 45 is connected between pushing block 1 and pushing block 2 44, pushing block 2 44 is located at the top of pushing block 1, pushing block 2 44
Top mounting hole in be fixedly installed a pressure sensor 46, pushing block 2 44 can trigger pressure sensor 46 and close micro-
Type motor 1.
When being persistently fed into material position arrival 24 position of baffle-wall in feed bin, the compression of baffle-wall 24 is moved up, and makes to move on guide rod 41
Trigger position switch 42, micromotor 1 start, drive shaft 21 rotate, and then guide rod 41 be inserted into drive shaft 21 in, the two because
Internal spline and external splines combine rear synchronous rotary, and stirring band 3 relaxes because the displacement between baffle-wall 24 and fixing sleeve 22 reduces, stirs
The middle lower end for mixing band 3 is raised outward under the action of the centrifugal force, is stirred to the material above feed bin, tends to surface of material
Smooth, guide rod 41 pushes pushing block 1 to move up during moving up, and holddown spring column 45 makes pushing block 2 44 act on pressure sensing
Pressure on device 46 is gradually increased, until pressure sensor 46 closes micromotor 1 to limiting pressure, issues material at the same time
Storehouse blanking completes blanking operation to the signal of specified altitude assignment.
The unlatching of micromotor 1 is opened when material position is close to monitoring material position in this level switch, rather than normally opened,
The energy is greatly saved in this, for the feed bin of slow blanking, intermittent blanking, moreover it is possible to equipment is protected well,
It avoids normally opened overlong time and is damaged.
It stirs and carries out smoothing operation when band 3 is close to material to monitor material position, and in material position not yet close to before baffle-wall 24, by
In the effect of spring stack 45 and the gravity of baffle-wall 24 and guide rod 41, stirring band 3 will not be occupied at longitudinal state that hangs
Feed bin inner space, to prevent it from influencing the entrance of material and the interference of other component.
Stirring band 3 can make have rubber strip flexible, with certain mass, be also possible to the metallic bond of multi-section type
Item.
The stopping of micromotor 1 is that pressure sensor 46 triggers, and material position reaches the limit of rear 24 pressure of baffle-wall and increases, in addition
45 compression degree of spring stack is larger and triggers pressure sensor 46, and the mode of traditional draught control micromotor 1 is not only easy damage
Bad micromotor 1, and to the problem that different types of material has judgement inaccurate.
After flattening to material upper surface, the pressure that pressure sensor 46 is subject to is capable of the position of direct reaction mass
It sets, improves precision, why does is pressure capable of the position of reaction mass? this is determined by several aspects once: being hindered first
Plate 24 is in rotation status, and its outside has stirring band 3, and material is difficult to be deposited on baffle-wall 24；Furthermore resistance band is to material
Leveling be not rigid, reduce material to the reaction force of drive shaft 21, it is ensured that resistance will not influence the rotation of drive shaft 21；And
And the position below feed opening will not be arranged in level switch, and it is higher to the necessity of the leveling of material, it is accumulated above baffle-wall 24
A possibility that material, is lower.
There is escape groove 1, the escape groove 2 48 with penetrating mounting holes in drive shaft 21, escape groove on fixing sleeve 22
The fixed link being fixedly linked with the shell of pressure sensor 46 is inserted in 2 48, being threaded in fixed link can be by fixation
Bar is fixed on the locking nut 49 in drive shaft 21.By the adjustment to 46 position of pressure sensor, adjustable triggering pressure.
Position switch 42 includes a door piece being hinged at 23 upper end opening of installation set.Door piece hinged place is to turn round with reset
Rotary switch is arranged in the hinge of spring, hinge, is custom circuit about the circuit between each switch and micromotor 1, refuses herein
It repeats, the angular range that door piece is swung is within 90 degree, and the lower end of drive shaft 21 can limit a piece and continue to swing.
Baffle-wall 24 is in the form of annular discs, and the outer rim thickness of baffle-wall 24 is less than interior thickness.The structure of baffle-wall 24 can effectively be kept away
Exempt from material to accumulate above baffle-wall 24.
As shown in Fig. 2, stirring band 3 includes several end to end chain links 31, the both ends of chain link 31 are rotatably connected to respectively
One pin shaft 32, hinged by pin shaft 32 between adjacent link 31, one end of chain link 31 has and can limit chain link adjacent thereto
31 limit plates 33 swung；When each chain link 31 is to far from extreme position is rocked on the outside of guide rod 41 in stirring band 3, adjacent link
31 in same level.Stirring band 3 is the chain with limit function, and the lower semisection for stirring band 3 can be made horizontal
State can be gradually increased stirring range with moving up for guide rod 41 while improving mixing effect.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (5)
1. a kind of Anti-rotation type material level switch, which is characterized in that this level switch includes micromotor (1), drive shaft (21), fixes
It covers (22), installation set (23), baffle-wall (24), stir with (3) and guide rod (41), the drive shaft (21) and micromotor (1)
Output shaft be fixedly linked, the fixing sleeve (22) and the shell of micromotor (1) are fixedly linked, the installation set (23) and solid
It is rotatablely connected between fixed set (22) by bearing, the guide rod (41) plugs and is slidably connected in installation set (23), described
Baffle-wall (24) is fixed on the lower end of guide rod (41), and the stirring band (3) has at least two, and the both ends of every stirring band (3)
It is separately connected the upper surface of baffle-wall (24) and the lower end of installation set (23), is provided with one at the upper end opening of the installation set (23)
Position switch (42), the guide rod (41) can trigger the position switch (42) when moving up and start micromotor (1), institute
The mounting hole in drive shaft (21) with lower ending opening is stated, there is internal spline, guide rod (41) outer wall in the mounting hole
With external splines, pushing block one (43) and pushing block two (44), the pushing block one (43) and pushing block are slidably connected in the mounting hole
It is connected between two (44) spring stack (45), the pushing block two (44) is located at the top of pushing block one (43), the pushing block two
(44) it is fixedly installed in the mounting hole of top a pressure sensor (46), the pushing block two (44) can trigger pressure sensing
Device (46) simultaneously closes the micromotor (1).
2. a kind of Anti-rotation type material level switch according to claim 1, which is characterized in that have evacuation on the fixing sleeve (22)
Slot one (47) plugs in the escape groove two (48) with the escape groove two (48) of penetrating mounting holes on the drive shaft (21)
There is the fixed link being fixedly linked with the shell of pressure sensor (46), is threaded with and fixed link can be consolidated in the fixed link
The locking nut (49) being scheduled on drive shaft (21).
3. a kind of Anti-rotation type material level switch according to claim 1 or claim 2, which is characterized in that the position switch (42) includes
One is hinged on the door piece at installation set (23) upper end opening.
4. a kind of Anti-rotation type material level switch according to claim 1 or claim 2, which is characterized in that the baffle-wall (24) is in the form of annular discs,
The outer rim thickness of the baffle-wall (24) is less than interior thickness.
5. a kind of Anti-rotation type material level switch according to claim 1 or claim 2, which is characterized in that the stirring band (3) includes several
The both ends of end to end chain link (31), the chain link (31) are rotatably connected to a pin shaft (32) respectively, adjacent link (31) it
Between by pin shaft (32) hingedly, one end of the chain link (31) has the limit that can limit chain link adjacent thereto (31) swing
Plate (33)；When each chain link (31) is to far from extreme position is rocked on the outside of guide rod (41) in the stirring band (3), adjacent link
(31) in same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640760.1A CN110371712B (en) | 2019-07-16 | 2019-07-16 | Rotation-resistant material level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640760.1A CN110371712B (en) | 2019-07-16 | 2019-07-16 | Rotation-resistant material level switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110371712A true CN110371712A (en) | 2019-10-25 |
| CN110371712B CN110371712B (en) | 2024-03-08 |
Family
ID=68253443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910640760.1A Active CN110371712B (en) | 2019-07-16 | 2019-07-16 | Rotation-resistant material level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110371712B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251644A (en) * | 2021-12-09 | 2022-03-29 | 四川川锅锅炉有限责任公司 | Solid-solid heat exchange waste heat recovery device for high-temperature mineral aggregate and use method of solid-solid heat exchange waste heat recovery device |
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|---|---|---|---|---|
| GB516328A (en) * | 1938-07-19 | 1939-12-29 | Elliott Brothers London Ltd | Improvements in apparatus for indicating the level of granular or like material within a container |
| CA582915A (en) * | 1959-09-08 | L. Grostick Norman | Bin level indicator | |
| CN87203453U (en) * | 1987-08-13 | 1988-08-10 | 辽宁省农牧业机械研究所 | Weight-balanced lever type level meter |
| EP1357366A2 (en) * | 2002-04-22 | 2003-10-29 | Maihak Ag | Filling level determination using a rotating element |
| CN204027641U (en) * | 2014-06-27 | 2014-12-17 | 江苏华纳环保科技有限公司 | Blocking rotary type level-sensing device |
| CN204902940U (en) * | 2015-08-13 | 2015-12-23 | 无锡市协同科技有限公司 | Granary developments material level instrument |
| CN106276130A (en) * | 2015-06-24 | 2017-01-04 | 宝山钢铁股份有限公司 | Anti-rotation type material level switch |
| CN107084773A (en) * | 2017-06-26 | 2017-08-22 | 马鞍山市龙腾机电科技有限公司 | A kind of mechanical stuff level switch |
| CN107941304A (en) * | 2017-12-18 | 2018-04-20 | 神雾科技集团股份有限公司 | Multiple spot Anti-rotation type material level switch |
| CN207395842U (en) * | 2017-09-26 | 2018-05-22 | 上海红马饲料有限公司 | A kind of feed blocking rotary type level detector being easily installed |
| CN210393007U (en) * | 2019-07-16 | 2020-04-24 | 咸宁南玻玻璃有限公司 | Rotation-resisting material level switch |
-
2019
- 2019-07-16 CN CN201910640760.1A patent/CN110371712B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA582915A (en) * | 1959-09-08 | L. Grostick Norman | Bin level indicator | |
| GB516328A (en) * | 1938-07-19 | 1939-12-29 | Elliott Brothers London Ltd | Improvements in apparatus for indicating the level of granular or like material within a container |
| CN87203453U (en) * | 1987-08-13 | 1988-08-10 | 辽宁省农牧业机械研究所 | Weight-balanced lever type level meter |
| EP1357366A2 (en) * | 2002-04-22 | 2003-10-29 | Maihak Ag | Filling level determination using a rotating element |
| CN204027641U (en) * | 2014-06-27 | 2014-12-17 | 江苏华纳环保科技有限公司 | Blocking rotary type level-sensing device |
| CN106276130A (en) * | 2015-06-24 | 2017-01-04 | 宝山钢铁股份有限公司 | Anti-rotation type material level switch |
| CN204902940U (en) * | 2015-08-13 | 2015-12-23 | 无锡市协同科技有限公司 | Granary developments material level instrument |
| CN107084773A (en) * | 2017-06-26 | 2017-08-22 | 马鞍山市龙腾机电科技有限公司 | A kind of mechanical stuff level switch |
| CN207395842U (en) * | 2017-09-26 | 2018-05-22 | 上海红马饲料有限公司 | A kind of feed blocking rotary type level detector being easily installed |
| CN107941304A (en) * | 2017-12-18 | 2018-04-20 | 神雾科技集团股份有限公司 | Multiple spot Anti-rotation type material level switch |
| CN210393007U (en) * | 2019-07-16 | 2020-04-24 | 咸宁南玻玻璃有限公司 | Rotation-resisting material level switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251644A (en) * | 2021-12-09 | 2022-03-29 | 四川川锅锅炉有限责任公司 | Solid-solid heat exchange waste heat recovery device for high-temperature mineral aggregate and use method of solid-solid heat exchange waste heat recovery device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110371712B (en) | 2024-03-08 |
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