CN202162081U - Overload protecting device - Google Patents
Overload protecting device Download PDFInfo
- Publication number
- CN202162081U CN202162081U CN2011202128707U CN201120212870U CN202162081U CN 202162081 U CN202162081 U CN 202162081U CN 2011202128707 U CN2011202128707 U CN 2011202128707U CN 201120212870 U CN201120212870 U CN 201120212870U CN 202162081 U CN202162081 U CN 202162081U
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- overload protection
- automaton
- electrically connected
- leverage
- protection arrangement
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Abstract
The utility model discloses an overload protecting device which is mounted on a spiral discharging centrifuge and comprises a rotating arm, a lever mechanism, a spring mechanism, a weighing sensor arranged on the lever mechanism, and an automatic control device, wherein the lever mechanism is connected with one end of the spring mechanism and is connected with a pin shaft on a rack of the spiral discharging centrifuge; the other end of the spring mechanism is fixed on the rack; the weighing sensor is electrically connected with automatic control device; and the automatic control device is electrically connected with the spiral discharging centrifuge. By adopting the overload protecting device provided by the utility model, the weighing sensor is electrically connected with the automatic control device by the weighing sensor arranged on the lever mechanism, so that the torque of the centrifuge can be dynamically tested, and the automatic control device is electrically connected with the spiral discharging centrifuge, so that the centrifuge per se or a charging system can be automatically controlled.
Description
Technical field
The utility model relates to a kind of overload protection arrangement, is specifically related to a kind of overload protection arrangement that is applied to helical-conveyer centrifugal.
Background technology
The overload protection arrangement of helical-conveyer centrifugal can be divided into two kinds of mechanical type and electrics, mechanically is: limit torque clutch, shear pin or shear chip, spring tension formula etc., electric be: torque sensor, frequency converter obtain dtc signal etc.
At present, the mechanical type overload protection arrangement can be realized effective overload protection, but can't realize the torque detection of dynamic to centrifuge; Can not control in real time; And the dtc signal that the electric overload protection arrangement provides direct also inaccuracy not often is prone to produce misoperation, can not well protect.
Therefore, a kind ofly can carry out detection of dynamic and the signal of telecommunication is provided, realize that the overload protection arrangement of automation control and electrified overload protection is demanded proposition urgently the torque of helical-conveyer centrifugal.
The utility model content
For solving the problems of the technologies described above, the purpose of the utility model is to provide a kind of can carry out detection of dynamic and the signal of telecommunication is provided the torque of helical-conveyer centrifugal, realizes the overload protection arrangement of automation control and electrified overload protection.
For achieving the above object; The technical scheme of the utility model is following: a kind of overload protection arrangement; Be installed on the helical-conveyer centrifugal, comprise pivoted arm, leverage, spring mechanism, be arranged at LOAD CELLS and automaton on the said leverage, said leverage is connected with an end of said spring mechanism; And be connected with bearing pin on the said helical-conveyer centrifugal frame, the other end of said spring mechanism is fixed on the said frame;
Said LOAD CELLS is electrically connected with said automaton, and said automaton is electrically connected with said helical-conveyer centrifugal.
Preferably, said frame is provided with limit switch, and said limit switch is corresponding with said spring mechanism position.
Preferably, said automaton is electrically connected with first alarm device.
Preferably, said limit switch is provided with position sensor, and said position sensor is arranged at and the contacted one side of said spring mechanism, and said automaton is electrically connected with second alarm device.
Preferably, said overload protection arrangement also comprises first limited post and second limited post, and said first limited post and said second limited post are arranged at the below of said leverage.
Preferably; Said leverage comprises first lever arm, second lever arm and limited block; Said bearing pin arrives the distance of said limited block end greater than the distance of said bearing pin to said second limited post, and said bearing pin arrives the distance of said first limited post greater than said bearing pin to the distance of said first lever arm.
Preferably, said LOAD CELLS is arranged on said second lever arm.
Pass through technique scheme; The beneficial effect of the utility model technical scheme is: a kind of overload protection arrangement; Be installed on the helical-conveyer centrifugal, comprise pivoted arm, leverage, spring mechanism, be arranged at LOAD CELLS and automaton on the said leverage, said leverage is connected with an end of said spring mechanism; And be connected with bearing pin on the said helical-conveyer centrifugal frame, the other end of said spring mechanism is fixed on the said frame; Said LOAD CELLS is electrically connected with said automaton, and said automaton is electrically connected with said helical-conveyer centrifugal; Adopt the overload protection arrangement that the utility model provided; Through being arranged at the LOAD CELLS on the said leverage; Again LOAD CELLS is electrically connected with said automaton; Can carry out dynamic test and send the signal of telecommunication the torque of centrifuge, again automaton is electrically connected with said helical-conveyer centrifugal, can carry out automation control centrifuge self or feed system.
In addition, connect first alarm device and second alarm device respectively,, control in real time, play the effect of dual-overload protection through dual alarm and reminding through automaton.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology; To do to introduce simply to the accompanying drawing of required use in the embodiment technical description below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the partial structurtes sketch map of the helical-conveyer centrifugal of a kind of overload protection arrangement embodiment of the utility model;
Fig. 2 is the structural representation of a kind of overload protection arrangement embodiment of the utility model;
Fig. 3 is the overload protection view of a kind of overload protection arrangement embodiment of the utility model.
The represented corresponding component title of numeral among the figure:
1. screw input feeder 2. rotary drums 3. parts of bearings 4. differential mechanisms 5. pivoted arms 6. limit switches 61. position sensors 7. spring mechanisms 8. leverages 81. LOAD CELLSs 82. first lever arms 83. second lever arms 84. limited blocks 85. first limited posts 86. second limited posts 9. bearing pins.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of can carry out detection of dynamic and the signal of telecommunication is provided the torque of helical-conveyer centrifugal, realizes the overload protection arrangement of automation control and electrified overload protection.
Embodiment,
Like Fig. 1, like Fig. 2 and as shown in Figure 3; A kind of overload protection arrangement; Be installed on the helical-conveyer centrifugal; Wherein helical-conveyer centrifugal comprises frame, screw input feeder 1, rotary drum 2, parts of bearings 3 and differential mechanism 4, and said overload protection arrangement comprises pivoted arm 5, leverage 8, spring mechanism 7, is arranged at LOAD CELLS 81 and automaton (not shown) on the said leverage, and said leverage 8 is connected with an end of said spring mechanism 7; And be connected with bearing pin 9 on the said helical-conveyer centrifugal frame, the other end of said spring mechanism 7 is fixed on the said frame.
Said LOAD CELLS 81 is electrically connected with said automaton, and said automaton is electrically connected with said helical-conveyer centrifugal; Through on said leverage 8, LOAD CELLS 81 being set; Said LOAD CELLS 81 is arranged at and said pivoted arm 5 contacted positions; Pivoted arm 5 rotating radius Rs can directly be measured; Act on the thrust F on the leverage 8, can measure its size through weighing sensor 81 and automaton.The defeated material of the spiral of centrifuge torque calculation method is according to M=F*R, because dynamically uninterruptedly measurement of thrust F, thereby realized detection of dynamic and control to the centrifuge operation torque.
Said overload protection arrangement also comprises first limited post 85 and second limited post 86; Said first limited post 85 and said second limited post 86 are arranged at the below of said leverage 8; Said leverage 8 comprises first lever arm 82, second lever arm 83 and limited block 84; Said bearing pin 9 arrives the distance of said limited block 84 ends greater than the distance of said bearing pin 9 to said second limited post 86, and said bearing pin 9 arrives the distance of said first limited post 85 greater than said bearing pin to the distance of said first lever arm 82.
Said LOAD CELLS 81 is arranged on said second lever arm 83, because said LOAD CELLS 81 is electrically connected with said automaton, said automaton is electrically connected with the first alarm device (not shown); When overload appears in centrifuge; LOAD CELLS 81 load are " zero ", and LOAD CELLS 81 through said automaton, passes to first alarm device with the signal that obtains again; Give the alarm, can remind operating personnel to control in real time.
The automaton that is electrically connected with said LOAD CELLS 81 is set on said helical-conveyer centrifugal; When LOAD CELLS 81 dynamic monitorings get thrust; Calculating through automaton; Get final product corresponding electric signal, again this signal is passed to helical-conveyer centrifugal self or feed system through automaton, can carry out programme-control.
Said frame is provided with limit switch 6; Said limit switch 6 is corresponding with said spring mechanism 7 positions; Said limit switch 6 is provided with position sensor 61; Said sensor is arranged at and said spring mechanism 7 contacted one sides, and said position sensor 61 is electrically connected with said automaton, and said automaton is electrically connected with the second alarm device (not shown); When centrifuge transshipped, pivoted arm 5 promoted leverage 8 and rotates around bearing pin 9, and spring by compression; Up to being open fully to leverage 8, pivoted arm 5 breaks away from leverage 8, and consequently: pivoted arm 5 rotates with rotary drum 2 synchronously; Thereby screw input feeder 1 rotates with rotary drum 2 synchronously; Realized that to the centrifuge overload protection simultaneously spring mechanism touches the position sensor 61 on the limit switch 6, said position sensor 61 passes to automaton with signal; Control said second alarm device and give the alarm, thereby carry out dual-overload protection.
Its operation principle is: when overload appearred in helical-conveyer centrifugal, pivoted arm 5 promoted leverage 8 and rotates around bearing pin 9, and spring by compression; Pushed open fully until leverage 8, pivoted arm 5 breaks away from leverage 8, and LOAD CELLS 81 load are " zero "; LOAD CELLS 81 passes through said automaton with the signal that obtains; Automaton passes to first alarm device again, gives the alarm, thereby reminds operating personnel to control in real time; The position sensor 61 that while spring mechanism 7 touches on the limit switches 6; Said position sensor 61 passes to automaton with signal; Automaton is controlled said second alarm device and is given the alarm; Thereby remind operating personnel to carry out corresponding control once more, reach the purpose of dual-overload protection with this.
Pass through technique scheme; The beneficial effect of the utility model technical scheme is: a kind of overload protection arrangement; Be installed on the helical-conveyer centrifugal; Comprise pivoted arm 5, leverage 8, spring mechanism 7, be arranged at LOAD CELLS 81 and automaton (not shown) on the said leverage; Said leverage 8 is connected with an end of said spring mechanism 7, and is connected with bearing pin 9 on the said helical-conveyer centrifugal frame, and the other end of said spring mechanism 7 is fixed on the said frame; Said LOAD CELLS 81 is electrically connected with said automaton, and said automaton is electrically connected with said helical-conveyer centrifugal; Adopt the overload protection arrangement that the utility model provided; Through being arranged at the LOAD CELLS 81 on the leverage; Again LOAD CELLS 81 is electrically connected with said automaton; Can carry out dynamic test and send the signal of telecommunication the torque of centrifuge, again automaton is electrically connected with said helical-conveyer centrifugal, can carry out automation control centrifuge self or feed system.
In addition, connect first alarm device and second alarm device respectively,, control in real time, play the effect of dual-overload protection through dual alarm and reminding through automaton.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. overload protection arrangement; Be installed on the helical-conveyer centrifugal; It is characterized in that comprise pivoted arm, leverage, spring mechanism, be arranged at LOAD CELLS and automaton on the said leverage, said leverage is connected with an end of said spring mechanism; And be connected with bearing pin on the said helical-conveyer centrifugal frame, the other end of said spring mechanism is fixed on the said frame;
Said LOAD CELLS is electrically connected with said automaton, and said automaton is electrically connected with said helical-conveyer centrifugal.
2. overload protection arrangement according to claim 1 is characterized in that said frame is provided with limit switch, and said limit switch is corresponding with said spring mechanism position.
3. overload protection arrangement according to claim 1 is characterized in that said automaton is electrically connected with first alarm device.
4. overload protection arrangement according to claim 2; It is characterized in that; Said limit switch is provided with position sensor, and said position sensor is arranged at and the contacted one side of said spring mechanism, and said automaton is electrically connected with second alarm device.
5. overload protection arrangement according to claim 4 is characterized in that, said overload protection arrangement also comprises first limited post and second limited post, and said first limited post and said second limited post are arranged at the below of said leverage.
6. overload protection arrangement according to claim 5; It is characterized in that; Said leverage comprises first lever arm, second lever arm and limited block; Said bearing pin arrives the distance of said limited block end greater than the distance of said bearing pin to said second limited post, and said bearing pin arrives the distance of said first limited post greater than said bearing pin to the distance of said first lever arm.
7. overload protection arrangement according to claim 6 is characterized in that, said LOAD CELLS is arranged on said second lever arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202128707U CN202162081U (en) | 2011-06-22 | 2011-06-22 | Overload protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202128707U CN202162081U (en) | 2011-06-22 | 2011-06-22 | Overload protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202162081U true CN202162081U (en) | 2012-03-14 |
Family
ID=45797933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202128707U Expired - Fee Related CN202162081U (en) | 2011-06-22 | 2011-06-22 | Overload protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202162081U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521875A (en) * | 2015-10-26 | 2016-04-27 | 江苏赛德力制药机械制造有限公司 | Overload protection device for screw discharge centrifuge |
| CN107591730A (en) * | 2017-09-14 | 2018-01-16 | 广东电网有限责任公司东莞供电局 | A kind of overhead transmission line unmanned plane carries wire passing device surely |
-
2011
- 2011-06-22 CN CN2011202128707U patent/CN202162081U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521875A (en) * | 2015-10-26 | 2016-04-27 | 江苏赛德力制药机械制造有限公司 | Overload protection device for screw discharge centrifuge |
| CN105521875B (en) * | 2015-10-26 | 2017-12-29 | 江苏赛德力制药机械制造有限公司 | Helical-conveyer centrifugal overload protection arrangement |
| CN107591730A (en) * | 2017-09-14 | 2018-01-16 | 广东电网有限责任公司东莞供电局 | A kind of overhead transmission line unmanned plane carries wire passing device surely |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20190622 |