CN100350230C - Automatic control system for torque of concentration machine - Google Patents
Automatic control system for torque of concentration machine Download PDFInfo
- Publication number
- CN100350230C CN100350230C CNB2005101198913A CN200510119891A CN100350230C CN 100350230 C CN100350230 C CN 100350230C CN B2005101198913 A CNB2005101198913 A CN B2005101198913A CN 200510119891 A CN200510119891 A CN 200510119891A CN 100350230 C CN100350230 C CN 100350230C
- Authority
- CN
- China
- Prior art keywords
- torque
- relay
- sensing shaft
- torsion
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002562 thickening agent Substances 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
Images
Landscapes
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The present invention discloses a torque automatic control system of a thickener, which is mainly composed of a torque measuring device and a torque control part, wherein the torque control part comprises cams (12), micro switches (13) and a relay, a rotary shaft on a gear (11) which is engaged with a sensing shaft (5) of the torque measuring device is provided with the cams (12), one side of each of the cams (12) is provided with a micro switch (13), and the micro switches (13) are connected with the relay in series; the contact point of the relay is connected with the circuits of a drive motor (14) of the thickener and a lifting motor (15); electric signals are transmitted to the relay in the circuit of the drive motor (14) or the lifting motor (15) through the action of the micro switches (13), the corresponding contact point is powered on to act by the relay, and the circuits of the drive motor (14) and the lifting motor (15) can be powered on or powered off. According to the change of loads, the present invention can carry out torque display in time, and the running of a rotary harrow can be controlled effectively. The present invention has the advantages of convenient operation and low equipment failure rate.
Description
The application is that application number is: 2004100138770, and denomination of invention is: the dividing an application of the patented claim of Thickener Torque Measuring Device and automatic control system for torque, the applying date of original application is on January 12nd, 2004.
Technical field
The present invention relates to a kind of Thickener Torque Automatic Control System.
Background technology
Concentrator does not possess torque measurement and automatic control system at present, thereby can't know the variation of changeing rake torque magnitude after startup, let alone effectively control the lifting of concentrator at the running of different sections, parking and rake body, operation easier is big, sometimes be the little load of high-power drive, power factor (PF) is low; Sometimes be that overload operation causes equipment, apparatus failure easily, even damage.
Summary of the invention
The present invention overcomes the running that can't control concentrator in the prior art according to the size of load, a kind of Thickener Torque Automatic Control System is provided, and it can in time carry out the moment of torsion demonstration according to the variation of load, and effectively the running of harrowing is changeed in control, easy to operate, reduced equipment failure rate.
The present invention is achieved in that a kind of Thickener Torque Automatic Control System, it mainly is made up of torque-measuring apparatus, moment of torsion control section, the moment of torsion control section comprises cam, microswitch and relay, be provided with the cam of different sizes with the rotating shaft of torque-measuring apparatus sensing shaft meshed gears, each cam one side is provided with microswitch, microswitch is connected in series mutually with relay, and the contact of relay is serially connected in the concentrator drive motor, promotes in the circuit of motor; Described cam is different with the contact position of microswitch separately, be that each microswitch moves under different moments of torsion, the action of described microswitch is delivered to drive motor with electric signal or is promoted relay in the motor circuit, described relay power corresponding contacts action is switched on or switched off drive motor and the circuit that promotes motor.
A kind of Thickener Torque Automatic Control System of the present invention, its drive motor and promote in the circuit of motor and be connected to warning light and hummer; It also comprises the remote monitoring unit, remote control unit comprises direct supply, adjustable potentiometer, indicative control unit, be provided with in-line gears with sensing shaft meshed gears rotating shaft upper end, gearing mesh on the resistance adjustment handle of in-line gears and adjustable potentiometer, adjustable potentiometer are serially connected with and convert change in torque to current signal in the DC circuit and send into indicative control unit.
In the present invention, torque-measuring apparatus is mainly by shell, hub splines, slip cap, butterfly spring, sensing shaft and moment of torsion pointer are formed, slip cap, butterfly spring is positioned at shell, hub splines and sensing shaft are on same axis, pass the front and back center pit of shell respectively, hub splines one end and concentrator deceleration arbor are with splined, both are displacement to axial, the other end is supported by the bearing in the slip cap, the madial wall at shell rear portion is provided with limiting plate, butterfly spring is with compression spring on the sensing shaft between slip cap and limiting plate, compression spring is between the boss and limiting plate of sensing shaft, sensing shaft contacts with hub splines under the compression spring effect all the time, the end that sensing shaft is stretched out shell is a spline-simulating, and rack and pinion is meshed, and described gear connects with the moment of torsion pointer by gear driving pair.
In torque-measuring apparatus, the axle of described gear connects with the moment of torsion pointer by two gear driving pairs; Described sensing shaft and hub splines next-door neighbour's a end is an abutting end, and abutting end stretches in the center pit of hub splines.
After adopting as above technical scheme, adjust the limiting plate position at shell rear portion, compress butterfly spring, make preload pressure reach certain numerical value.When starting was unloaded, moment of torsion was less; Moment of torsion increases gradually when blanking moves, and when the deceleration arbor drives the hub splines rotation, also pushes the hub splines generation and moves axially, and slip cap just compresses butterfly spring.Because sensing shaft contacts with hub splines under the compression spring effect all the time, hub splines just promotes sensing shaft generation axial displacement like this, the gear that rack drives on the sensing shaft is engaged with rotates, and gear just drives the moment of torsion pointer and rotates, and realizes the indication of moment of torsion.When moment of torsion reaches certain value, the corresponding microswitch action of cam driven, microswitch action is delivered to drive motor with electric signal or is promoted relay in the motor circuit, described relay power corresponding contacts action, be switched on or switched off the circuit of drive motor and lifting motor, thereby realize changeing the control of rake.Also be provided with remote control unit in the present invention, convert the variation of moment of torsion to current signal by adjustable potentiometer and show control.Can monitor the running of concentrator, easy-to-operate effectively by the present invention.
Description of drawings
Fig. 1 is the structural representation of Thickener Torque Measuring Device among the present invention
Fig. 2 is the synoptic diagram of Thickener Torque Measuring Device gear drive part among the present invention
Fig. 3 is a concentrator moment of torsion automatically controlled circuit diagram of the present invention
Embodiment
With reference to accompanying drawing, Thickener Torque Automatic Control System, it mainly is made up of torque-measuring apparatus, moment of torsion control section.Torque-measuring apparatus mainly is made up of shell 1, hub splines 2, slip cap 3, butterfly spring 4, sensing shaft 5 and moment of torsion pointer 6, and hub splines 2 and sensing shaft 5 are positioned at shell 1 on same axial line, passes the front and back center pit of shell 1 respectively.Described sensing shaft 5 is an abutting end 7 with hub splines 2 next-door neighbours' a end, and abutting end 7 stretches in the center pit of hub splines 2.Hub splines 2 is connected with spline with the deceleration arbor, and axial displacement can take place relatively for both.Slip cap 3 is positioned at shell 1 with butterfly spring 4, is provided with bearing in the slip cap 3, is used to support hub splines 2.Limiting plate 8 is fixed on threaded engagement on the madial wall of shell 1, and limiting plate 8 is provided with through hole, and sensing shaft 5 is passed this through hole, passes the rear center hole of shell 1 then, reaches the outside of shell 1.Butterfly spring 4 is between slip cap 3 and limiting plate 8.Be with compression spring 9 on the sensing shaft 5, compression spring 9 is between the boss 10 and limiting plate 8 of sensing shaft 5, and sensing shaft 5 keeps in touch with hub splines 2 under the effect of compression spring 9 all the time like this.The end that sensing shaft 5 is stretched out shell 1 is a spline-simulating, and rack and pinion 11 is meshed, and gear 11 drives moment of torsion pointer 6 by two gear pairs and rotates.Four cams 12 that are provided with different sizes in gear 11 rotating shafts, each cam 12 1 side is provided with microswitch 13.
The moment of torsion control section comprises cam 12, microswitch 13 and relay, and microswitch 13 is connected in series mutually with relay, and the contact of relay is serially connected in concentrator drive motor 14, promotes in the circuit of motor 15; Described cam 12 is different with the contact position of microswitch 13 separately, be that each microswitch 13 moves under different moments of torsion, described microswitch 13 actions are delivered to relay with electric signal, described relay power corresponding contacts action is switched on or switched off drive motor 14 and the circuit that promotes motor 15.
ISB is a start button among Fig. 3.When concentrator commentaries on classics rake is in automatic running status, press the ISB button, A.C. contactor KM1 energising, drive motor rotates, and concentrator is started working.When moment of torsion less than 30% the time, the corresponding microswitch action of corresponding cam driven, torsion leading point SW5 connects, time relay KT1 energising, the closing of contact, then auxiliary reclay KA5 energising, the normally opened contact closure of KA5, the KA6 normally closed contact also is in closure state, and A.C. contactor KM2 work promotes motor and rises.When the KA5 closing of contact, time relay KT2 work, normally opened contact closure.When the KT2 normally opened contact is closed, auxiliary reclay KA6 energising, KA6 normally opened contact closure, normally closed contact disconnects, A.C. contactor KM2 outage, it is out of service to promote motor 15.KM2 normally closed contact closure, A.C. contactor KM3 energising promotes motor 15 and descends.Promoting the rising of motor and the stroke of decline is controlled by travel switch SQ1 and SQ2.Promptly when moment of torsion was lower than 30%, when drive motor 14 rotated, promoting motor 15 can drop to extreme lower position voluntarily by a high position.
When moment of torsion during at 30%-50%, corresponding cam 12 drives corresponding microswitch 13 actions, and torsion leading point SW4 connects, auxiliary reclay KA4 energising, and the normally closed contact of KA4 disconnects, and promotes motor 15 and is failure to actuate.When moment of torsion greater than 40% the time, corresponding cam 12 drives corresponding microswitch 13 actions, torsion leading point SW2 connects, auxiliary reclay KA2 energising, KA2 normally opened contact closure, hummer FM and signal lamp BD start working and report to the police, and the notifying operation personnel arrange silt, run well with maintenance equipment.Can stop to report to the police by the 3SB switch.
When moment of torsion greater than 50% the time, corresponding cam 12 drives corresponding microswitch 13 actions, torsion leading point SW3 connects, auxiliary reclay KA3 energising, KA3 normally opened contact closure, A.C. contactor KM2 work promotes motor 15 and rises to the up stroke position.
When moment of torsion greater than 80% the time, corresponding cam 12 drives corresponding microswitch 13 actions, torsion leading point SW1 connects, auxiliary reclay KA1 energising, the KA1 normally closed contact disconnects, A.C. contactor KM1 no power, drive motor 14 and promote motor 15 and all be failure to actuate.
Can also be provided with remote control unit in the present invention, remote control comprises direct supply, adjustable potentiometer and indicative control unit, be provided with in-line gears with sensing shaft 5 meshed gears 11 rotating shafts upper end, gearing mesh on the resistance adjustment handle of in-line gears and adjustable potentiometer, adjustable potentiometer is serially connected with in the DC circuit, and the current signal that converts change in torque to 4-20mA is sent into indicative control unit and carried out long-range monitoring.
The raised position of changeing rake also can be carried out long-range monitoring through the current signal that adjustable resistance is transformed into 4-20mA.
Claims (6)
1, a kind of Thickener Torque Automatic Control System, it is characterized in that it mainly is made up of torque-measuring apparatus, moment of torsion control section, the moment of torsion control section comprises cam (12), microswitch (13) and relay, be provided with different big or small cams (12) with torque-measuring apparatus sensing shaft (5) meshed gears (11) rotating shaft, each cam (12) one side is provided with microswitch (13), microswitch (13) is connected in series mutually with relay, and the contact of relay is serially connected in concentrator drive motor (14), promotes in the circuit of motor (15); Described cam (12) is different with the contact position of microswitch (13) separately, be that each microswitch (13) moves under different moments of torsion, described microswitch (13) action is delivered to drive motor (14) with electric signal or is promoted relay in motor (15) circuit, described relay power corresponding contacts is moved, and is switched on or switched off the circuit of drive motor (14) and lifting motor (15).
2, Thickener Torque Automatic Control System according to claim 1 is characterized in that drive motor (14) and promotes in the circuit of motor (15) being connected with warning light BD and hummer FM.
3, Thickener Torque Automatic Control System according to claim 1, it is characterized in that it also comprises remote control unit, remote control unit comprises direct supply, adjustable potentiometer and indicative control unit, be provided with in-line gears with sensing shaft (5) meshed gears (11) rotating shaft upper end, gearing mesh on the resistance adjustment handle of in-line gears and adjustable potentiometer, adjustable potentiometer are serially connected with and convert change in torque to current signal in the DC circuit and send into indicative control unit.
4, Thickener Torque Automatic Control System according to claim 1, it is characterized in that described torque-measuring apparatus is mainly by shell (1), hub splines (2), slip cap (3), butterfly spring (4), sensing shaft (5) and moment of torsion pointer (6) are formed, slip cap (3), butterfly spring (4) is positioned at shell (1), hub splines (2) and sensing shaft (5) are on same axis, pass the front and back center pit of shell (1) respectively, hub splines (2) one ends and concentrator deceleration arbor are with splined, both are displacement to axial, the other end is by the supporting of the bearing in the slip cap (3), limiting plate (8) is fixed on the madial wall at shell (1) rear portion, sensing shaft (5) is passed the through hole on the limiting plate (8) successively, shell (1) is also stretched out in the rear center hole of shell (1), butterfly spring (4) is positioned between slip cap (3) and the limiting plate (8), be with compression spring (9) on the sensing shaft (5), compression spring (9) is positioned between the boss (10) and limiting plate (8) of sensing shaft (5), sensing shaft (5) contacts with hub splines (2) under compression spring (9) effect all the time, the end that sensing shaft (5) is stretched out shell (1) is a spline-simulating, rack and pinion (11) is meshed, and described gear (11) connects with moment of torsion pointer (6) by gear driving pair.
5, Thickener Torque Automatic Control System according to claim 4 is characterized in that the axle of described gear (11) connects with moment of torsion pointer (6) by two gear driving pairs.
6, Thickener Torque Automatic Control System according to claim 4 is characterized in that a described sensing shaft (5) and hub splines (2) next-door neighbour's a end are abutting end (7), and abutting end (7) stretches in the center pit of hub splines (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101198913A CN100350230C (en) | 2004-01-12 | 2004-01-12 | Automatic control system for torque of concentration machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101198913A CN100350230C (en) | 2004-01-12 | 2004-01-12 | Automatic control system for torque of concentration machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410013877 Division CN1272610C (en) | 2004-01-12 | 2004-01-12 | Dense machine torque measuring device and torque automatic control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1782682A CN1782682A (en) | 2006-06-07 |
| CN100350230C true CN100350230C (en) | 2007-11-21 |
Family
ID=36773121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101198913A Expired - Lifetime CN100350230C (en) | 2004-01-12 | 2004-01-12 | Automatic control system for torque of concentration machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100350230C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659193B (en) * | 2012-05-04 | 2013-05-15 | 山东省环境保护科学研究设计院 | Over-moment early warning protective method for mechanical slag removal grid machine |
| CN105513840A (en) * | 2015-12-15 | 2016-04-20 | 中国西电电气股份有限公司 | Energy storage control system used for hydraulic spring operating mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1146376A (en) * | 1995-09-26 | 1997-04-02 | 张学义 | Machine for gold separation |
| US5646355A (en) * | 1995-06-14 | 1997-07-08 | Ntn Corporation | Torque responsive rotation control device |
| CN2543598Y (en) * | 2002-05-17 | 2003-04-09 | 郑州市黄河机电设备厂 | Central support frame for periphery driven concentrator |
| CN2682401Y (en) * | 2004-01-12 | 2005-03-02 | 陈长林 | Torque measuring device and torque automatic control system for thickener |
-
2004
- 2004-01-12 CN CNB2005101198913A patent/CN100350230C/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5646355A (en) * | 1995-06-14 | 1997-07-08 | Ntn Corporation | Torque responsive rotation control device |
| CN1146376A (en) * | 1995-09-26 | 1997-04-02 | 张学义 | Machine for gold separation |
| CN2543598Y (en) * | 2002-05-17 | 2003-04-09 | 郑州市黄河机电设备厂 | Central support frame for periphery driven concentrator |
| CN2682401Y (en) * | 2004-01-12 | 2005-03-02 | 陈长林 | Torque measuring device and torque automatic control system for thickener |
Non-Patent Citations (1)
| Title |
|---|
| ZGX-重型高效耙式浓缩机设计通过专家评议 编辑部.水力采煤与管道运输，第2期 1998 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1782682A (en) | 2006-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101139040B (en) | Tooth sector synchronous hydraulic pressure pinch roll device | |
| CN200995081Y (en) | Driver of concentrator | |
| CN100350230C (en) | Automatic control system for torque of concentration machine | |
| CN1272610C (en) | Dense machine torque measuring device and torque automatic control system | |
| CN201934611U (en) | Gear transmission structure with overload protection function | |
| CN202036833U (en) | Hydraulic-transmission driving device for thickener | |
| CN2682401Y (en) | Torque measuring device and torque automatic control system for thickener | |
| CN201392262Y (en) | Fatigue strength tester for brake | |
| CN102401089A (en) | High-speed gear box with low-speed starting function | |
| CN2400635Y (en) | Gearings for soft starting and stepless speed-changing | |
| CN202349106U (en) | High-speed gear box with low-speed start function | |
| CN109236886B (en) | Automatic compaction and separation device for manual gear friction clutch | |
| CN113738839A (en) | Torque safety protection device for screw rod transmission mechanism | |
| CN201006595Y (en) | Mechanical bolt spanner | |
| CN201830678U (en) | Self-propelled garden tool | |
| CN202200561U (en) | Clutch-type screw-press transmission mechanism | |
| CN202323193U (en) | Double-clutch automatic breaking device of drawing frame | |
| CN202878379U (en) | Food slicer capable of automatic feeding and discharging | |
| CN102671436A (en) | Automatic torque protection device for thickener | |
| CN206801862U (en) | A kind of hydraulic gear pump driving device | |
| CN208413733U (en) | A kind of electric stand | |
| CN200984587Y (en) | Vertical roller mill | |
| CN2460356Y (en) | Driving device for electrically controlled clutch | |
| CN101161585A (en) | Hydraulic cylinder driving and rotating device | |
| CN215720612U (en) | Torque safety protection device for screw rod transmission mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU NEW HONDA Group Assignor: Chen Changlin Contract fulfillment period: 2008.9.18 to 2024.1.11 Contract record no.: 2008320000287 Denomination of invention: Automatic control system for torque of concentration machine Granted publication date: 20071121 License type: Exclusive license Record date: 20080923 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.18 TO 2024.1.11 Name of requester: JIANGSU XINHONGDA GROUP CO., LTD. Effective date: 20080923 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20180228 Address after: 225721 Xinghua science and Technology Park, Jiangsu, South Road, No. 1 Patentee after: JIANGSU NEW HONDA Group Address before: 225721 Jiangsu city in Xinghua province people's Road West Grand Village Dainan town Jiangsu xinhongda Petrochemical Machinery Company Patentee before: Chen Changlin |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071121 |
|
| CX01 | Expiry of patent term |