CN107940226A - A kind of both hands operation monitoring interlocking control device - Google Patents
A kind of both hands operation monitoring interlocking control device Download PDFInfo
- Publication number
- CN107940226A CN107940226A CN201711358538.XA CN201711358538A CN107940226A CN 107940226 A CN107940226 A CN 107940226A CN 201711358538 A CN201711358538 A CN 201711358538A CN 107940226 A CN107940226 A CN 107940226A
- Authority
- CN
- China
- Prior art keywords
- control device
- hand button
- hands
- cylinder control
- safety relay
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
- F16P3/18—Control arrangements requiring the use of both hands
- F16P3/22—Control arrangements requiring the use of both hands for hydraulic or pneumatic control systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid Mechanics (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The present invention relates to interlocking control device field, more particularly to a kind of both hands operation monitoring interlocking control device, its key points of the technical solution are that：Including left hand button, right hand button, both hands safety relay and cylinder control device, the cylinder control device includes left cylinder control device and right cylinder control device；The input terminal of the both hands safety relay and the left hand button and the right hand button connects, the cylinder control device are connected with the output terminal of the both hands safety relay, for receiving the control signal from both hands safety relay and responding.Its main feature is that being adapted to hydraulic device, facilitate worker to form the custom of both hands operation, prevented the industrial accident of operative employee's life injury, controlled the asynchrony phenomenon of left and right oil cylinder.
Description
Technical field
The present invention relates to interlocking control device field, more particularly to a kind of both hands operation monitoring interlocking control device.
Background technology
In use, often there is the industrial accident that operative employee's hand is injured, go out in hydraulic plate shears, hydraulic bending press
The existing left and right sides nonsynchronous problem of oil cylinder is, it is necessary to introduce both hands operator scheme in design and be equipped with both hands safe operation relay
Device.
In view of the above-mentioned problems, the existing following patent in China：
License notification number：CN202273164U, discloses a kind of milling machine double-handle interlock fit operation device, belongs to engineering
Field of mechanical technique, including operation panel, handle I, handle II and controller, handle I and handle II are separately positioned on operating surface
On the left and right sides surface of plate, controller is arranged on inside operation panel, and handle I and handle II are electrically connected with the controller respectively.
Beneficial effect is that two handles are connected with controller independently of each other, and controller controls the interlocking of two handles, prevents operation from conflicting.
However, the patent is not suitable for hydraulic device.
The content of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of both hands operation to monitor mutual lock control dress
Put, its main feature is that being adapted to hydraulic device, facilitate worker to form the custom of both hands operation, prevented the work of operative employee's life injury
Hinder accident, control the asynchrony phenomenon of left and right oil cylinder.
The present invention above-mentioned technical purpose technical scheme is that：A kind of both hands operation monitoring interlocking
Control device, including left hand button, right hand button, both hands safety relay and cylinder control device, the cylinder control device
Including left cylinder control device and right cylinder control device；The input terminal of the both hands safety relay and the left hand button and
The right hand button connects, the cylinder control device are connected with the output terminal of the both hands safety relay, are come for receiving
From the control signal of both hands safety relay and respond.
Through the above technical solutions, setting both hands safety relay, with the hands safety relay judges left hand button and the right side
Whether hand button is pressed at the same time, and according to judging result control cylinder control device, when left hand button and right hand button fail together
When pressing, make cylinder control device be in not starting state；When left hand button and right hand button are pressed at the same time, oil cylinder control is made
Device processed starts oil cylinder, so as to facilitate worker to form the custom of both hands operation, has prevented the industrial accident of operative employee's life injury,
The asynchrony phenomenon of left and right oil cylinder is controlled.
Preferably, the both hands safety relay is connected with fuse.
Through the above technical solutions, set fuse, when occurring leaking electricity or during overload situations, power-off, prevents in time
Security incident.
Preferably, the left cylinder control device and the right cylinder control device are relay.
Through the above technical solutions, selective relay can in time cut off the power as control device, play automatic tune
Section, the effect of safeguard protection.
Preferably, on the left cylinder control device, the right cylinder control device and the both hands safety relay
It is parallel with fly-wheel diode.
Through the above technical solutions, setting fly-wheel diode, fly-wheel diode is connected in parallel on the both ends of coil, and coil is passing through
During electric current, induced electromotive force can be produced at its both ends.When the current vanishes, its induced electromotive force can produce the element in circuit
Backward voltage.When backward voltage is higher than the breakdown reverse voltage of element, element such as triode, thyristor etc. can be made to cause to damage
It is bad.Fly-wheel diode is connected in parallel on coil both ends, and when flowing through the current vanishes in coil, the induced electromotive force that coil produces passes through
The circuit that diode and coil are formed is done work and is consumed, so as to protect the safety of other elements in circuit.
Preferably, controller is provided with the both hands safety relay, the left hand button and the right hand button are equal
It is connected with the input terminal of the controller, the output terminal of the controller is connected with the cylinder control device.
Through the above technical solutions, setting controller, left hand button or right hand button can be to controls when pressing or disconnecting
Device sends different logical signals, and whether at the same time controller judges left hand button or right hand button according to the logical signal received
Press, if pressing at the same time, make cylinder control device start oil cylinder, if not pressing at the same time, make cylinder control device be in not
Starting state.
Preferably, the both hands safety relay is connected with the left hand button and the right hand button.
Through the above technical solutions, using the circuit structure of series connection, when thering is one not have in left hand button or right hand button
When pressing, then both hands safety relay is from electricity, and the output of both hands safety relay is the signal disconnected, this seasonal oil cylinder control
Device is in not starting state；When left hand button and right hand button are pressed at the same time, then the output of both hands safety relay is to close
The signal of conjunction, this seasonal cylinder control device start oil cylinder.
Preferably, comparator and controller are provided with the both hands safety relay, is provided with the left hand button
Pull-up resistor, pull-up resistor, the input terminal of the comparator and the left hand button and institute are also equipped with the right hand button
Right hand button connects are stated, for receiving the output voltage from left hand button and the output voltage from right hand button and being compared
Compared with；The output terminal of the comparator is connected with the controller, for sending comparative result to controller；The controller and institute
State cylinder control device connection.
Through the above technical solutions, since left hand button and right hand button are both provided with pull-up resistor, button is pressed and not
When pressing, different voltage can be exported, compares the voltage that left hand button and right hand button export with comparator, and fiducial value is sent out
Controller is given, controller is according to fiducial value control cylinder control device.
The beneficial effects of the present invention are：1）By setting both hands safety relay, with the hands safety relay judges left
Whether hand button and right hand button are pressed at the same time, and according to judging result control cylinder control device, so as to facilitate worker to be formed
The custom of both hands operation, has prevented the industrial accident of operative employee's life injury, has controlled the asynchrony phenomenon of left and right oil cylinder；2）If
Holding fuse, when occurring leaking electricity or during overload situations, power-off, prevents security incident in time；3）Fly-wheel diode is set, from
And protect the safety of other elements in circuit.
Brief description of the drawings
Fig. 1 is the electrical connection diagram of embodiment 1；
Fig. 2 is the electrical connection diagram of embodiment 2；
Fig. 3 is the electrical connection diagram of embodiment 3.
Reference numeral：1st, left hand button；2nd, right hand button；3rd, both hands safety relay；5th, left cylinder control device；6th, it is right
Cylinder control device；7th, fuse；8th, controller；9th, comparator；R：Pull-up resistor.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", " interior " and
" outer " is referred respectively to towards or away from the direction of particular elements geometric center.
Embodiment 1：A kind of both hands operation monitoring interlocking control device, as shown in Figure 1, including left hand button 1, right hand button
2nd, both hands safety relay 3 and cylinder control device, cylinder control device include left cylinder control device 5 and right oil cylinder control dress
Put 6.The input terminal of both hands safety relay 3 is connected with left hand button 1 and right hand button 2, cylinder control device and both hands safety
The output terminal connection of relay 3, for receiving the control signal from both hands safety relay 3 and responding.Both hands are set
Safety relay 3, with the hands safety relay 3 judge left hand button 1 and right hand button 2 whether and meanwhile press, and according to judgement
Output control cylinder control device, when left hand button 1 and right hand button 2 fail to press at the same time, makes cylinder control device be in
Not starting state.When left hand button 1 and right hand button 2 are pressed at the same time, cylinder control device is made to start oil cylinder, so as to facilitate work
The humanoid custom into both hands operation, has prevented the industrial accident of operative employee's life injury, has controlled the asynchronous existing of left and right oil cylinder
As.
Both hands safety relay 3 is connected with fuse 7.Fuse 7 is set, when occurring leaking electricity or during overload situations, in time
Power-off, prevents security incident.
Left cylinder control device 5 and right cylinder control device 6 are relay.Selective relay is as control device, energy
It is enough to cut off the power in time, play automatic adjustment, the effect of safeguard protection.
Fly-wheel diode is parallel with left cylinder control device 5, right cylinder control device 6 and both hands safety relay 3.
Fly-wheel diode is set, and fly-wheel diode is connected in parallel on the both ends of coil, and coil can produce sensing when passing through electric current at its both ends
Electromotive force.When the current vanishes, its induced electromotive force can produce backward voltage to the element in circuit.When backward voltage is higher than member
During the breakdown reverse voltage of part, element such as triode, thyristor etc. can be made to cause to damage.Fly-wheel diode is connected in parallel on coil two
End, when flowing through the current vanishes in coil, the induced electromotive force that coil produces is done by the circuit that diode and coil are formed
Work(and consume, so as to protect the safety of other elements in circuit.
Controller 8, the input of left hand button 1 and right hand button 2 with controller 8 are provided with both hands safety relay 3
End connection, the output terminal of controller 8 are connected with cylinder control device.Controller 8 is set, and left hand button 1 or right hand button 2 are being pressed
Lower or while disconnecting, can send different logical signals to controller 8, controller 8 according to the logical signal received judge left hand by
Whether button 1 or right hand button 2 are pressed at the same time, if pressing at the same time, make cylinder control device start oil cylinder, if not pressing at the same time,
Cylinder control device is then made to be in not starting state.
The occupation mode of the present embodiment is as follows：Judge that left hand button 1 and right hand button 2 are using both hands safety relay 3
It is no to press at the same time, and according to judging result control cylinder control device, start oil cylinder when pressing at the same time, do not pressing at the same time
When, do not start oil cylinder.
Embodiment 2：A kind of both hands operation monitoring interlocking control device, is with the difference of embodiment 1, such as Fig. 2 institutes
Show, both hands safety relay 3 is connected with left hand button 1 and right hand button 2.Using the circuit structure of series connection, when left hand button 1 or
There is one in right hand button 2 when not pressing, then for both hands safety relay 3 from electricity, what both hands safety relay 3 exported is disconnected
The signal opened, this seasonal cylinder control device are in not starting state.When left hand button 1 and right hand button 2 are pressed at the same time, then
What both hands safety relay 3 exported is the signal of closure, this seasonal cylinder control device starts oil cylinder.
Embodiment 3：A kind of both hands operation monitoring interlocking control device, is with the difference of embodiment 1, such as Fig. 3 institutes
Show, comparator 9 and controller 8 are provided with both hands safety relay 3, pull-up resistor R is provided with left hand button 1, the right hand is pressed
Pull-up resistor R is also equipped with button 2, the input terminal of comparator 9 is connected with left hand button 1 and right hand button 2, is come from for receiving
The output voltage of left hand button 1 and output voltage from right hand button 2 are simultaneously compared.The output terminal of comparator 9 and control
Device 8 connects, for sending comparative result to controller 8.Controller 8 is connected with cylinder control device.Due to left hand button 1 and the right side
Hand button 2 is both provided with pull-up resistor R, when button is pressed and do not pressed, can export different voltage, be compared with comparator 9 left
The voltage that hand button 1 and right hand button 2 export, and fiducial value is sent to controller 8, controller 8 controls oil according to fiducial value
Cylinder control device.
The above is only the exemplary embodiment of the present invention, not for limiting the scope of the invention, this hair
Bright protection domain is determined by appended claim.
Claims (7)
- A kind of 1. both hands operation monitoring interlocking control device, it is characterised in that：Including left hand button（1）, right hand button（2）, it is double Hand safety relay（3）And cylinder control device, the cylinder control device include left cylinder control device（5）With right oil cylinder control Device processed（6）；The both hands safety relay（3）Input terminal and the left hand button（1）With the right hand button（2）Even Connect, the cylinder control device and the both hands safety relay（3）Output terminal connection, for receive from both hands safety after Electric appliance（3）Control signal and respond.
- A kind of 2. both hands operation monitoring interlocking control device according to claim 1, it is characterised in that：The both hands safety Relay（3）It is connected with fuse（7）.
- A kind of 3. both hands operation monitoring interlocking control device according to claim 1, it is characterised in that：The left oil cylinder control Device processed（5）With the right cylinder control device（6）It is relay.
- A kind of 4. both hands operation monitoring interlocking control device according to claim 3, it is characterised in that：The left oil cylinder control Device processed（5）, the right cylinder control device（6）With the both hands safety relay（3）On be parallel with fly-wheel diode.
- A kind of 5. both hands operation monitoring interlocking control device according to claim 1, it is characterised in that：The both hands safety Relay（3）On be provided with controller（8）, the left hand button（1）With the right hand button（2）With the controller（8） Input terminal connection, the controller（8）Output terminal be connected with the cylinder control device.
- A kind of 6. both hands operation monitoring interlocking control device according to claim 1, it is characterised in that：The both hands safety Relay（3）With the left hand button（1）With the right hand button（2）Series connection.
- A kind of 7. both hands operation monitoring interlocking control device according to claim 1, it is characterised in that：The both hands safety Relay（3）On be provided with comparator（9）And controller（8）, the left hand button（1）On be provided with pull-up resistor（R）, it is described Right hand button（2）On be also equipped with pull-up resistor（R）, the comparator（9）Input terminal and the left hand button（1）With it is described Right hand button（2）Connection, left hand button is come from for receiving（1）Output voltage and from right hand button（2）Output voltage And it is compared；The comparator（9）Output terminal and the controller（8）Connection, for controller（8）Knot is compared in transmission Fruit；The controller（8）It is connected with the cylinder control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711358538.XA CN107940226A (en) | 2017-12-17 | 2017-12-17 | A kind of both hands operation monitoring interlocking control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711358538.XA CN107940226A (en) | 2017-12-17 | 2017-12-17 | A kind of both hands operation monitoring interlocking control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107940226A true CN107940226A (en) | 2018-04-20 |
Family
ID=61944494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711358538.XA Withdrawn CN107940226A (en) | 2017-12-17 | 2017-12-17 | A kind of both hands operation monitoring interlocking control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107940226A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4205239A (en) * | 1978-02-21 | 1980-05-27 | Western Electric Company, Inc. | Radio signal safety facilities for controlling the operation of a work fabricating device |
| US4246523A (en) * | 1978-02-09 | 1981-01-20 | Kabushiki Kaisha Komatsu Seisakusho | Brake timing control method and apparatus therefor |
| JPS56142000A (en) * | 1980-04-05 | 1981-11-05 | Aida Eng Ltd | Controlling device of hydraulic press |
| DE3319613A1 (en) * | 1982-11-30 | 1984-05-30 | VEB Kombinat Umformtechnik "Herbert Warnke" Erfurt, DDR 5010 Erfurt | Electronic two-handed safety circuit for presses |
| JPH05291994A (en) * | 1992-04-14 | 1993-11-05 | Nec Corp | Diversity receiver |
| EP0782057A1 (en) * | 1995-12-19 | 1997-07-02 | Ross Operating Valve Company doing business as Ross Controls | A double valve control device |
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| WO2005097370A1 (en) * | 2004-04-06 | 2005-10-20 | Amada Co., Ltd. | Bending device |
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| CN201784201U (en) * | 2010-07-17 | 2011-04-06 | 佛山市顺德区陈村压力机械商会 | Safety control device for pressing machine |
| CN102298355A (en) * | 2011-07-14 | 2011-12-28 | 苏州工业园区高登威科技有限公司 | Starting mechanism of computer numerical control (CNC) lathe |
| DE102014119269A1 (en) * | 2014-01-31 | 2015-08-06 | Janome Sewing Machine Co., Ltd. | Electric pressing device and method for its control |
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| US4246523A (en) * | 1978-02-09 | 1981-01-20 | Kabushiki Kaisha Komatsu Seisakusho | Brake timing control method and apparatus therefor |
| US4205239A (en) * | 1978-02-21 | 1980-05-27 | Western Electric Company, Inc. | Radio signal safety facilities for controlling the operation of a work fabricating device |
| JPS56142000A (en) * | 1980-04-05 | 1981-11-05 | Aida Eng Ltd | Controlling device of hydraulic press |
| DE3319613A1 (en) * | 1982-11-30 | 1984-05-30 | VEB Kombinat Umformtechnik "Herbert Warnke" Erfurt, DDR 5010 Erfurt | Electronic two-handed safety circuit for presses |
| JPH05291994A (en) * | 1992-04-14 | 1993-11-05 | Nec Corp | Diversity receiver |
| EP0782057A1 (en) * | 1995-12-19 | 1997-07-02 | Ross Operating Valve Company doing business as Ross Controls | A double valve control device |
| WO2005097370A1 (en) * | 2004-04-06 | 2005-10-20 | Amada Co., Ltd. | Bending device |
| CN2707396Y (en) * | 2004-06-21 | 2005-07-06 | 陈宣余 | Safety controller for punch |
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| DE102014119269A1 (en) * | 2014-01-31 | 2015-08-06 | Janome Sewing Machine Co., Ltd. | Electric pressing device and method for its control |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180420 |
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