CN106227249B - Rotary resistance type material level indicator - Google Patents
Rotary resistance type material level indicator Download PDFInfo
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- CN106227249B CN106227249B CN201610792040.3A CN201610792040A CN106227249B CN 106227249 B CN106227249 B CN 106227249B CN 201610792040 A CN201610792040 A CN 201610792040A CN 106227249 B CN106227249 B CN 106227249B
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- material level
- elastic sheet
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- rotating shaft
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- 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
Abstract
The invention belongs to mechanical equipment of a storage bin, and particularly relates to a rotary resistance type material level indicator. The invention provides a rotary resistance type material level device, which aims at the defects of complex installation structure of a motor of the conventional rotary resistance material level device, high manufacturing cost improvement and the like caused by complex assembly. The motor of the material level indicator is arranged in the shell through the connecting component, and the motor mounting mechanism of the material level indicator is simplified, is convenient and fast to assemble and is low in manufacturing cost; furthermore, the structure of the coupling is simplified, and false alarm of the coupling is avoided.
Description
Technical Field
The invention belongs to mechanical equipment of a storage bin, and particularly relates to a rotary resistance type material level indicator.
Background
The rotary resistance type level indicator is a level controller for solid materials, and is widely applied to the industries of chemical industry, plastics, cement, pharmacy, feed, food and the like. When the material level indicator works, the motor drives the blades to rotate at a low speed, the motor is provided with a driving part which is in constant contact with the micro switch, so that the motor is kept in a normally open state, when the material level of the material rises, the blades are blocked from rotating, the motor generates partial rotating displacement around a shaft, the driving part is separated from the micro switch by the displacement in a contact way, the micro switch acts to send a material signal, the motor is powered off, the motor stops rotating, and the state is kept as long as the material level in the bin is unchanged; when the material level descends, the blade is not blocked any more, the motor is restored to the original state by the aid of spring tension, the transmission part is contacted with the micro switch again, the micro switch sends a material-free signal, the power supply of the motor is switched on, the motor is restored to rotate, and the state is kept all the time as long as no material blocks the rotation of the blade. The motor mounting structure in the rotary resistance material level ware that uses at present is complicated, and the equipment is loaded down with trivial details, has improved the manufacturing cost of whole material level ware, and further shaft coupling structure is complicated, and the shaft coupling is easy wrong report alert in the use, and it is inconvenient to bring for user daily use and follow-up maintenance.
Disclosure of Invention
The technical problem to be solved and the technical task provided by the invention are to overcome the defects of complex installation structure of the motor of the existing rotary resistance material level device, increased manufacturing cost caused by complex assembly and the like, and provide the rotary resistance material level device, wherein the motor installation mechanism of the material level device is simplified, is convenient and fast to assemble, and is low in manufacturing cost; furthermore, the structure of the coupling is simplified, and false alarm of the coupling caused by influence of external impact on the coupling by the rotating shaft is prevented.
The technical purpose of the invention is mainly solved by the following technical scheme: the utility model provides a rotary resistance formula material level ware, includes the casing, is equipped with motor, coupling assembling, shaft joint and micro-gap switch in it, and the casing is equipped with the pivot outward, and pivot one end stretches into the casing and is connected with motor drive through the shaft joint, and pivot other end rigid coupling blade, micro-gap switch insert the motor and make the motor keep normally open state, characterized by coupling assembling includes motor mounting panel and fixed plate and spacing in motor mount between the two, and the motor mounting panel is parallel and the rigid coupling with the fixed plate, and the motor mounting panel is fixed with the casing, micro-gap switch locates on the fixed plate, and on the motor was fixed in the motor mount, the motor shaft passed the fixed plate and connects the shaft joint, is equipped with the round pin spare on the motor mount, and the round pin spare passes fixed plate and micro-gap switch contact, overlaps on the round pin spare and puts the torsional spring and keeps normally contacting through torsional spring elasticity and micro-gap switch, and the locating hole that sets up on the fixed plate is connected to torsional spring one end. The motor of the material level indicator is arranged in the shell through the connecting assembly, the connecting assembly has few components, the structure is simple, the installation is rapid and convenient, and the motor mounting plate and the fixing plate are fixed in parallel so as to leave a proper space between the motor mounting plate and the fixing plate for limiting and installing the motor and the motor fixing frame; the motor is fixed with the motor fixing frame, the pin piece is arranged on the motor fixing frame and keeps normal contact with the microswitch through a torsional spring, when materials are increased to obstruct rotation of the blade, the motor fixing frame and the pin piece rotate around the motor shaft to generate displacement, the pin piece overcomes the tension of the torsional spring to be separated from contact with the microswitch, the microswitch sends a material signal and cuts off power supply of the motor, the motor stops rotating, when the materials are reduced, the blade is not obstructed from rotating, the torsional spring resets to pull the pin piece, the motor fixing frame and the motor to rotate back to the original position, the pin piece props against the microswitch again, the microswitch sends a material-free signal and supplies power to the motor, and the motor recovers rotation; the locating hole is used for installing a limiting torsion spring.
As a further improvement and supplement to the above technical solution, the present invention adopts the following technical measures: the fixed plate is the injection molding, be equipped with integrated into one piece's spliced pole on the injection molding, the spliced pole extends to motor mounting panel direction and supports the motor mounting panel, sets up the mounting hole on spliced pole one end and the injection molding that support the motor mounting panel, and motor mounting panel and micro-gap switch match through screw and mounting hole and fixed plate fixed connection. Because the fixed plate is an injection molding part and can be made by injection molding of PC or other plastic materials, the strength is high, the cost is low, the connecting column and the injection molding part are integrally formed, the motor mounting plate, the microswitch and the fixed plate are very convenient to mount, the motor mounting plate and the microswitch can be directly connected and fixed by using self-tapping screws as long as mounting holes are formed at one end of the connecting column and the injection molding part, and the injection molding part and the connecting column do not need to tap threaded holes for processing, so that the processing procedures can be reduced, and the manufacturing cost can be reduced; the connecting column extends towards the motor mounting plate, and enough space is reserved between the motor mounting plate and the fixing plate by utilizing the extending length to mount the motor and the motor fixing frame.
The fixing plate is provided with more than three positioning holes, and the positioning holes are distributed on the fixing plate side by side. The corresponding pulling force size is different when the locating hole of torsional spring and different positions is connected, and the locating hole more than three can provide a plurality of fender position and select, can select the locating hole that suitable fender kept off the position according to different material density during the use.
The coupling comprises a cylinder formed by die casting, one end of the cylinder is provided with a motor shaft hole and a first elastic sheet groove penetrating through the motor shaft hole, a first elastic sheet is embedded in the first elastic sheet groove, and one end of a motor shaft is inserted into the motor shaft hole and is fixedly clamped by the first elastic sheet; the other end of the column body is provided with a rotating shaft hole and a second elastic sheet groove penetrating through the rotating shaft hole, a second elastic sheet is embedded in the second elastic sheet groove, and one end of the rotating shaft is inserted in the rotating shaft hole and tightly presses the second elastic sheet. The main body of the coupling is a cylinder formed by die casting, so that the processing is convenient and the strength is high; the two ends of the column are provided with holes for inserting the rotating shaft and the motor shaft; one end of the motor shaft is inserted into the motor shaft hole and is fixedly clamped through the first elastic sheet clamp, so that the motor shaft and the coupling are ensured to be synchronous; the cylinder one end at pivot hole place is still seted up the second shell fragment groove and is inlayed and establish the second shell fragment, when the pivot is pushed into the pivot hole, the second shell fragment of contradicting can be extruded in the pivot, produce pressure between pivot and the second shell fragment, then produce frictional force, pass to the pivot from the shaft coupling through frictional force, the separation and reunion power size between shaft coupling and the pivot just can be controlled to the compressive capacity through the second shell fragment, when the pivot receives external force impact influence and surpasss certain load, frictional force is overcome in the pivot, and produce between the second shell fragment and slide, the relative shaft coupling of pivot slides, in order to offset the impact of pivot transmission, the impact force transmission that avoids the pivot to receive is for the motor shaft, realize the protection motor and prevent the wrong alarm of shaft coupling.
The second elastic sheet grooves are two and parallel, and a second elastic sheet is embedded in each of the two elastic sheet grooves. Through the combined action of the two elastic sheets, the impact transmitted to the coupling when the rotating shaft is impacted by external force is shared, and the protection of the motor is improved.
The cylinder is formed by die-casting zinc alloy, and the elastic sheet is made of stainless steel spring steel. The cylinder made of the zinc alloy through die casting has high hardness and strong tensile strength; the spring plate is made of stainless spring steel and has good elasticity.
The second elastic sheet groove comprises a main groove hole matched with the second elastic sheet in size, and the main groove hole extends towards two sides to form expansion holes which are arranged along the length direction in a staggered mode. The main slot hole is used for embedding a second elastic sheet; the extension hole is extended by main slotted hole and is formed and along main slotted hole length direction dislocation distribution, and when the shell fragment was extrudeed by the pivot, the extension hole can provide the space that lets the shell fragment extend the deformation.
The casing is formed by last casing and lower casing butt joint seal, goes up the casing and passes through threaded connection fixed with lower casing, and both junctions set up the sealing washer, and casing bottom is opened down has mounting hole and assorted shield that corresponds with the pivot, casing installation oil blanket is put at the mounting hole to the lower casing, and casing side sets up the wire hole and installs cable connector down. The shell is formed by butt-joint sealing of an upper shell and a lower shell, the two shells are connected through threads, assembly and disassembly are convenient, and besides a certain sealing effect of the threads, a sealing ring is added to ensure sealing; the oil seal is used for sealing the position where the rotating shaft enters or exits the shell, and the dustproof cover is used for blocking dust to protect the oil seal and ensure the using effect of the oil seal; the wire hole of inferior valve casing side is used for connecting the cable that provides power and transmission signal, and cable joint is used for locking and fixed business turn over cable, and cable joint has waterproof dustproof anti-vibration's effect simultaneously in addition.
The bottom of the lower shell extends downwards to form a tube seat, a bearing matched with the rotating shaft and a clamp spring for positioning the bearing are arranged in the tube seat, and the mounting hole is formed in the extending end of the tube seat. The tube seat is formed by extending the bottom of the lower shell downwards, is integrated with the lower shell into a whole and is used for providing enough space for installing the bearing and the clamp spring; the clamp spring is used for positioning the bearing, and the bearing is used for supporting the rotating shaft, so that the rotating friction force of the rotating shaft is reduced, and the rotating precision of the rotating shaft is ensured.
The middle part of the blade is clamped and fixed on a connecting seat, and the connecting seat is riveted and fixed with one end of the rotating shaft. The pivot passes through connecting seat and blade fixed connection, and blade and connecting seat can independently assemble batch production, improve production efficiency, and blade and connecting seat can regard as an organic whole subassembly riveting fixation on the material level ware of various different models.
The motor of the material level indicator is arranged in the shell through the connecting component, and the motor mounting mechanism of the material level indicator is simplified, is convenient and fast to assemble and is low in manufacturing cost; furthermore, the structure of the coupling is simplified, and false alarm of the coupling is avoided.
Drawings
FIG. 1: the structure of the invention is exploded.
FIG. 2: the invention relates to a motor and connecting component mounting diagram.
FIG. 3: fig. 2 is a top view.
FIG. 4: the first schematic diagram of the coupling structure.
FIG. 5: the second schematic diagram of the coupling structure.
FIG. 6: the lower housing structure is shown in cross-section.
In the figure: 1. the motor comprises a shell, a motor 2, a coupling 3, a microswitch 4, a rotating shaft 5, a blade 6, a motor mounting plate 7, a fixing plate 8, a motor fixing frame 9, a motor shaft 10, a pin 11, a torsion spring 12, a positioning hole 13, a connecting column 14, a column 15, a second elastic sheet 16, a rotating shaft hole 17, a rotating shaft hole 18, a second elastic sheet groove 16, a first elastic sheet groove 6, a second elastic sheet groove 9, a first elastic sheet groove 13, a second elastic sheet groove 13, a first elastic sheet groove 8, a second elastic sheet groove 11, a second elastic sheet groove 13, a second elastic sheet groove 9, a second elastic sheet groove 13, a second elastic sheet groove 6, a second elastic sheet groove 13, a second elastic sheet groove and a second elastic sheet groove 19, a main groove hole, 20, an expanding hole, 21, an upper shell, 22, a lower shell, 23, a sealing ring, 24, a mounting hole, 25, a dust cover, 26, an oil seal, 27, a cable connector, 28, a tube seat, 29, a bearing, 30, a snap spring, 31, a connecting seat, 32, a first spring plate, 33, a first spring plate groove and 34, a motor shaft hole.
Detailed Description
The invention is further described in the following description and embodiments with reference to the drawings.
As shown in fig. 1-6, a rotary resistance type material level indicator, including casing 1, be equipped with motor 2, coupling assembling, shaft joint 3 and micro-gap switch 4 in it, casing 1 is equipped with pivot 5 outward, and 5 one ends of pivot stretch into casing 1 and be connected with the transmission of motor 2 through shaft joint 3, and 5 other ends rigid coupling blades of pivot 6, and micro-gap switch 4 insert motor 2 and make the motor keep normally open state, coupling assembling includes motor mounting panel 7 and fixed plate 8 and spacing in motor mount 9 between the two, and motor mounting panel 7 is parallel and the rigid coupling with fixed plate 8, and motor mounting panel 7 is fixed with casing 1, micro-gap switch 4 locates on fixed plate 8, and motor 2 is fixed in on the motor mount 9, and motor shaft 10 passes fixed plate 8 and connects shaft joint 3, is equipped with round pin spare 11 on the motor mount 9, and round pin spare 11 passes fixed plate 8 and micro-gap switch 4 contact, and round pin spare 11 upper cover sets up torsional spring 12 and keeps normally contacting through torsional spring 12 elasticity of torsional spring and micro-gap switch 4, and torsional spring 12 one end connection locating hole 13 that sets up on the fixed plate 8. The motor of the material level indicator is arranged in the shell through the connecting assembly, the connecting assembly has few components, a simple structure and quick and convenient installation, and the motor mounting plate and the fixing plate are fixed in parallel so as to leave a proper space between the motor mounting plate and the fixing plate for limiting and installing the motor and the motor fixing frame; the motor is fixed with the motor fixing frame, the pin piece is arranged on the motor fixing frame and keeps normal contact with the microswitch through a torsional spring, when materials are increased to obstruct rotation of the blade, the motor fixing frame and the pin piece rotate around the motor shaft to generate displacement, the pin piece overcomes the tension of the torsional spring to be separated from contact with the microswitch, the microswitch sends a material signal and cuts off power supply of the motor, the motor stops rotating, when the materials are reduced, the blade is not obstructed from rotating, the torsional spring resets to pull the pin piece, the motor fixing frame and the motor to rotate back to the original position, the pin piece props against the microswitch again, the microswitch sends a material-free signal and supplies power to the motor, and the motor recovers rotation; the locating hole is used for installing a limiting torsion spring.
The fixed plate 8 is an injection molding piece, be equipped with integrated into one piece's spliced pole 14 on the injection molding piece, spliced pole 14 extends to 7 directions of motor mounting panel and supports motor mounting panel 7, supports and sets up the mounting hole on 14 one end of spliced pole and the injection molding piece of motor mounting panel 7, and motor mounting panel 7 and micro-gap switch 4 match through screw and mounting hole and fixed plate 8 fixed connection. The fixing plate is an injection molding part and can be manufactured by injection molding of PC or other plastic materials, the strength is high in cost and low in cost, the connecting column and the injection molding part are integrally formed, the motor mounting plate and the microswitch are very convenient to mount with the fixing plate, the motor mounting plate and the microswitch can be conveniently and directly connected and fixed by using self-tapping screws as long as mounting holes are formed in one end of the connecting column and the injection molding part, and the injection molding part and the connecting column do not need to be tapped to process threaded holes, so that the processing procedures can be reduced, and the manufacturing cost is reduced; the connecting column extends towards the motor mounting plate, and sufficient space is reserved between the motor mounting plate and the fixing plate by utilizing the extending length to mount the motor and the motor fixing frame.
Eight positioning holes 13 are formed in the fixing plate 8, and four positioning holes are formed in the fixing plate 8 in a row. The positioning holes in different positions correspond to different tension when the torsion spring is connected with the positioning holes, more than three positioning holes can provide a plurality of gear selections, and the positioning holes in proper gears can be selected according to different material densities during use.
The main body part of the coupling 3 is a cylinder 15 formed by die casting, one end of the cylinder 15 is provided with a motor shaft hole 34 and a first elastic sheet groove 33 penetrating through the motor shaft hole, a first elastic sheet 32 is embedded in the first elastic sheet groove 33, and one end of a motor shaft 10 is inserted into the motor shaft hole 34 and is clamped and fixed through the first elastic sheet 32; the other end of the column body 15 is provided with a rotating shaft hole 17 and a second elastic sheet groove 18 penetrating through the rotating shaft hole 17, a second elastic sheet 16 is embedded in the second elastic sheet groove 18, and one end of the rotating shaft 5 is inserted in the rotating shaft hole 17 and tightly presses the second elastic sheet 16. The main body of the coupling is a cylinder formed by die casting, so that the processing is convenient and the strength is high; the two ends of the column are provided with holes for inserting the rotating shaft and the motor shaft; one end of the motor shaft is inserted into the motor shaft hole and is fixedly clamped through the first elastic sheet clamp, so that the motor shaft and the coupling are ensured to be synchronous; the cylinder one end at pivot hole place is still seted up the second shell fragment groove and is inlayed and establish the second shell fragment, when the pivot is pushed into the pivot hole, the second shell fragment that the conflict was can be extruded to the pivot, generate pressure between pivot and the second shell fragment, then produce frictional force, pass to the pivot from the shaft joint through frictional force with power, when the pivot receives external force impact influence and surpasses certain load, frictional force is overcome in the pivot, and produce between the second shell fragment and slide, the relative shaft joint of pivot slides, in order to offset the impact of pivot transmission, avoid the impact force transmission that the pivot will receive to transmit for the motor shaft, realize the protection motor and prevent shaft joint misinformation police.
The two second elastic pieces 16 are parallel, and a second elastic piece 16 is embedded in each of the two elastic piece grooves. Through the combined action of the two elastic sheets, the impact of the external force on the rotating shaft is shared and transmitted to the coupling, so that the protection of the motor is improved.
The cylinder 15 is formed by die-casting zinc alloy, and the first elastic sheet 32 and the second elastic sheet 16 are both made of stainless steel spring steel. The cylinder made of the zinc alloy through die casting has high hardness and strong tensile strength; the spring plate is made of stainless spring steel and has good elasticity.
The second spring plate groove 18 comprises a main groove hole 19 matched with the second spring plate 16 in size, and the main groove hole 19 extends towards two sides to form expansion holes 20 arranged along the length direction in a staggered mode. The main slot hole is used for embedding the elastic sheet; the extension hole is extended by the main slot and forms and along main slot length direction dislocation distribution, and when the shell fragment was extrudeed by the pivot, the extension hole can provide the space that lets the shell fragment extend the deformation.
Casing 1 is formed by last casing 21 and lower casing 22 butt joint sealing, and it is fixed that last casing 21 and lower casing 22 pass through threaded connection, and both junctions set up sealing washer 23, and lower casing 22 bottom is opened has pivot hole 24 and assorted shield 25 that corresponds with pivot 5, casing 22 is at pivot hole 24 position installation oil blanket 26 down, and the casing 22 side sets up the wire hole and installs cable connector 27 down. The shell is formed by butt-jointing and sealing an upper shell and a lower shell, the two shells are connected through threads, the assembly and disassembly are very convenient, and besides a certain sealing effect of the threads, a sealing ring is added to ensure sealing; the oil seal is used for sealing the position where the rotating shaft enters or exits the shell, and the dustproof cover is used for blocking dust to protect the oil seal and ensure the using effect of the oil seal; the wire outlet hole of inferior valve body side is used for connecting the cable that provides power and transmission signal, and cable connector is used for locking and fixed business turn over cable, and cable connector also has waterproof dustproof shockproof effect simultaneously.
The bottom of the lower shell 22 extends downwards to form a tube seat 28, a bearing 29 matched with the rotating shaft 5 and a clamp spring 30 for positioning the bearing are arranged in the tube seat 28, and the rotating shaft hole 24 is arranged at the extending end of the tube seat. The tube seat is formed by extending the bottom of the lower shell downwards, is integrated with the lower shell and is used for providing enough space for installing the bearing and the clamp spring; the clamp spring is used for positioning the bearing, and the bearing is used for supporting the rotating shaft, so that the rotating friction force of the rotating shaft is reduced, and the rotating precision of the rotating shaft is ensured.
The middle part of the blade 6 is clamped and fixed on a connecting seat 31, and the connecting seat 31 is riveted and fixed with one end of the rotating shaft 5 through a rivet. The connecting seat is passed through in the pivot and blade fixed connection, and blade and connecting seat can independently assemble batch production, improve production efficiency, and blade and connecting seat can be as on the material level ware of various different models of integrative subassembly riveting fixation.
Claims (10)
1. A rotary resistance type material level device comprises a casing (1), wherein a motor (2), a connecting assembly, a coupling (3) and a microswitch (4) are arranged in the casing, a rotating shaft (5) is arranged outside the casing (1), one end of the rotating shaft (5) extends into the casing (1) and is in transmission connection with the motor (2) through the coupling (3), the other end of the rotating shaft (5) is fixedly connected with a blade (6), the microswitch (4) is connected into the motor (2) to enable the motor to be in a normally open state, it is characterized in that the connecting component comprises a motor mounting plate (7), a fixed plate (8) and a motor fixing frame (9) limited between the motor mounting plate and the fixed plate, the motor mounting plate (7) and the fixed plate (8) are parallel and fixedly connected, the motor mounting plate (7) is fixed with the casing (1), micro-gap switch (4) are located on fixed plate (8), on motor (2) are fixed in motor mount (9), motor shaft (10) are passed fixed plate (8) and are connected shaft joint (3), be equipped with round pin spare (11) on motor mount (9), round pin spare (11) are passed fixed plate (8) and are contacted with micro-gap switch (4), round pin spare (11) are gone up the cover and are put torsional spring (12) and keep often contacting through torsional spring (12) elasticity and micro-gap switch (4), locating hole (13) that set up on torsional spring (12) one end connection fixed plate (8).
2. The rotary resistance type material level indicator as claimed in claim 1, wherein the fixing plate (8) is an injection molded part, the injection molded part is provided with an integrally formed connecting post (14), the connecting post (14) extends towards the motor mounting plate (7) to abut against the motor mounting plate (7), one end of the connecting post (14) abutting against the motor mounting plate (7) and the injection molded part are provided with mounting holes, and the motor mounting plate (7) and the microswitch (4) are matched with the mounting holes through screws and are fixedly connected with the fixing plate (8).
3. A rotary resistance type material level indicator according to claim 1, wherein more than three positioning holes (13) are provided in the fixing plate (8), and the positioning holes are distributed side by side on the fixing plate (8).
4. The rotary resistance type material level indicator according to any one of claims 1 to 3, wherein the coupling (3) comprises a cylinder body (15) formed by die casting, one end of the cylinder body (15) is provided with a motor shaft hole (34) and a first elastic sheet groove (33) penetrating through the motor shaft hole, a first elastic sheet (32) is embedded in the first elastic sheet groove (33), and one end of the motor shaft (10) is inserted into the motor shaft hole (34) and is clamped and fixed through the first elastic sheet (32); the other end of the column body (15) is provided with a rotating shaft hole (17) and a second elastic sheet groove (18) penetrating through the rotating shaft hole (17), a second elastic sheet (16) is embedded in the second elastic sheet groove (18), and one end of the rotating shaft (5) is inserted into the rotating shaft hole (17) and tightly presses the second elastic sheet (16).
5. The rotary resistance type material level indicator according to claim 4, wherein the second spring sheet grooves (18) are two and parallel, and a second spring sheet (16) is embedded in each of the two spring sheet grooves.
6. The rotary resistance type material level indicator according to claim 4, wherein the cylinder (15) is made of zinc alloy by die casting, and the first elastic sheet (32) and the second elastic sheet (16) are made of stainless steel spring steel.
7. A rotary resistance type material level indicator according to claim 4, wherein the second spring sheet groove (18) comprises a main groove hole (19) matched with the size of the second spring sheet (16), and the main groove hole (19) extends and expands towards two sides to form an expanding hole (20) which is arranged along the length direction in a staggered mode.
8. The rotary resistance type material level indicator according to any one of claims 1 to 3, wherein the housing (1) is formed by butt-sealing an upper housing (21) and a lower housing (22), the upper housing (21) and the lower housing (22) are fixed by screw thread connection, a sealing ring (23) is arranged at the joint of the upper housing and the lower housing, a mounting hole (24) corresponding to the rotating shaft (5) and a matched dust cap (25) are arranged at the bottom of the lower housing (22), an oil seal (26) is arranged at the position of the mounting hole (24) of the lower housing (22), and a cable outlet and a cable connector (27) are arranged on the side surface of the lower housing (22).
9. The rotary resistance type material level indicator as claimed in claim 8, wherein the bottom of the lower shell (22) extends downwards to form a tube seat (28), a bearing (29) matched with the rotating shaft (5) and a clamp spring (30) for positioning the bearing are arranged in the tube seat (28), and the mounting hole (24) is formed in the extending end of the tube seat (28).
10. A rotary resistance type material level indicator as claimed in claim 1, wherein the middle part of the blade (6) is clamped and fixed on a connecting seat (31), and the connecting seat (31) is riveted and fixed with one end of the rotating shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792040.3A CN106227249B (en) | 2016-08-31 | 2016-08-31 | Rotary resistance type material level indicator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792040.3A CN106227249B (en) | 2016-08-31 | 2016-08-31 | Rotary resistance type material level indicator |
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| CN106227249A CN106227249A (en) | 2016-12-14 |
| CN106227249B true CN106227249B (en) | 2022-12-09 |
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| CN109521499A (en) * | 2018-12-28 | 2019-03-26 | 厦门帮众科技有限公司 | A kind of rotation level switch |
Citations (5)
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| JPH09235099A (en) * | 1996-02-29 | 1997-09-09 | Nippon Yusoki Co Ltd | Steering polarity detection method of manned auto guidance car |
| US6789014B1 (en) * | 2003-05-09 | 2004-09-07 | Deere & Company | Direct modification of DGPS information with inertial measurement data |
| CN104142683A (en) * | 2013-11-15 | 2014-11-12 | 上海快仓智能科技有限公司 | Automated guided vehicle navigation method based on two-dimension code positioning |
| CN105388899A (en) * | 2015-12-17 | 2016-03-09 | 中国科学院合肥物质科学研究院 | An AGV navigation control method based on two-dimension code image tags |
| CN105446334A (en) * | 2015-11-13 | 2016-03-30 | 上海诺力智能科技有限公司 | Guided vehicle navigation system and guided vehicle navigation method |
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2016
- 2016-08-31 CN CN201610792040.3A patent/CN106227249B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09235099A (en) * | 1996-02-29 | 1997-09-09 | Nippon Yusoki Co Ltd | Steering polarity detection method of manned auto guidance car |
| US6789014B1 (en) * | 2003-05-09 | 2004-09-07 | Deere & Company | Direct modification of DGPS information with inertial measurement data |
| CN104142683A (en) * | 2013-11-15 | 2014-11-12 | 上海快仓智能科技有限公司 | Automated guided vehicle navigation method based on two-dimension code positioning |
| CN105446334A (en) * | 2015-11-13 | 2016-03-30 | 上海诺力智能科技有限公司 | Guided vehicle navigation system and guided vehicle navigation method |
| CN105388899A (en) * | 2015-12-17 | 2016-03-09 | 中国科学院合肥物质科学研究院 | An AGV navigation control method based on two-dimension code image tags |
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| CN106227249A (en) | 2016-12-14 |
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Address after: 312300 No. 1801 Renmin West Road, Shaoxing, Zhejiang, Shangyu Applicant after: WOLONG ELECTRIC GROUP Co.,Ltd. Applicant after: SHAOXING OLI-WOLONG VIBRATION MACHINERY Co.,Ltd. Address before: 312300 No. 1801 Renmin West Road, Shaoxing, Zhejiang, Shangyu Applicant before: WOLONG ELECTRIC GROUP Co.,Ltd. Applicant before: SHAOXING OLI-WOLONG VIBRATION MACHINERY Co.,Ltd. |
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