CN203904957U - Bolt interlocking control device - Google Patents
Bolt interlocking control device Download PDFInfo
- Publication number
- CN203904957U CN203904957U CN201420111013.1U CN201420111013U CN203904957U CN 203904957 U CN203904957 U CN 203904957U CN 201420111013 U CN201420111013 U CN 201420111013U CN 203904957 U CN203904957 U CN 203904957U
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- Prior art keywords
- electromagnetic valve
- control end
- power supply
- relay
- latch
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- 238000001514 detection method Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a bolt interlocking control device, and belongs to the field of ocean platforms. The device comprises a power supply, a controller, a first relay, a second relay, a first electromagnetic valve and a second electromagnetic valve, wherein the first relay comprises a first control end, a first normally-open contact and a first normally-closed contact; the first electromagnetic valve and the second electromagnetic valve are provided with third control ends for controlling an oil inlet to be communicated with a first working oil port and controlling an oil outlet to be communicated with a second working oil port under a high level signal; the input end of the controller is connected with the anode of the power supply; the first control end is connected between the first output end of the controller and the cathode of the power supply; the second control end is connected between the second output end of the controller and the cathode of the power supply; one end of the third control end of the first electromagnetic valve is connected with the anode of the power supply; a second normally-closed contact and the first normally-open contact are connected in series between the other end of the third control end of the first electromagnetic valve and the cathode of the power supply. By adopting the bolt interlocking control device, engagement of at least one group of bolts on a lifting platform is ensured, and two groups of bolts are prevented from being in disengaged states at the same time.
Description
Technical field
The utility model relates to ocean platform field, particularly a kind of latch interlocking control device.
Background technology
Self-elevating drilling platform is mainly comprised of platform, spud leg and hydraulic bolt elevating mechanism.Hydraulic bolt elevating mechanism comprises wedge bracket, upper ring beam and lower ring, and wedge bracket is arranged on platform and is set on spud leg.The top of upper ring beam is connected with wedge bracket, the side of upper ring beam is provided with one group and supports latch, the bottom of upper ring beam is connected with lower ring by hoist cylinder, and the side of lower ring is provided with one group of work latch, supports latch and work latch to match with the pin hole on spud leg respectively.By the lifting of hoist cylinder and the plug of support latch and work two groups of latches of latch and pin hole (engagement or disengagement), can realize the relative displacement of spud leg and platform, thereby make self-elevating drilling platform normal operation.
Only have while having one group of latch in engagement at least in two groups of latches of work latch and support latch, platform could be supported by spud leg; If two groups of latches are all in disengaged condition, platform will fall due to Action of Gravity Field.Therefore, must guarantee that two groups of latches can not be simultaneously in disengaged condition.
Utility model content
In order to guarantee that two groups of latches can not be simultaneously in disengaged condition, the utility model embodiment provides a kind of latch interlocking control device.Described technical scheme is as follows:
The utility model embodiment provides a kind of latch interlocking control device, be applicable to control in self lift type lift platform, support latch and work latch respectively with described self lift type lift platform in pin hole on spud leg throw off or engagement, described device comprises:
Power supply, controller, the first relay, the second relay, the first electromagnetic valve and the second electromagnetic valve; Described the first relay comprises the first control end, the first constant open contact and the first constant close contact, described the second relay comprises the second control end, the second constant open contact and the second constant close contact, and described the first electromagnetic valve and described the second electromagnetic valve are provided with oil-in, oil-out, the first actuator port, the second actuator port and control with described the first actuator port connected sum the 3rd control end that described oil-out is communicated with described the second actuator port for control described oil-in under high level signal;
The input of described controller is connected with the positive pole of described power supply, described the first control end is connected between first output and the negative pole of described power supply of described controller, described the second control end is connected between second output and the negative pole of described power supply of described controller, the 3rd one end of control end and the positive pole of described power supply of described the first electromagnetic valve are connected, described the second constant close contact and described the first constant open contact are serially connected between the 3rd other end of control end and the negative pole of described power supply of described the first electromagnetic valve, the 3rd one end of control end and the positive pole of described power supply of described the second electromagnetic valve are connected, described the first constant close contact and described the second constant open contact are serially connected between the 3rd other end of control end and the negative pole of described power supply of described the second electromagnetic valve,
The first actuator port of described the first electromagnetic valve is communicated with supporting the rod chamber of plugging pin oil cylinder, the second actuator port of described the first electromagnetic valve is communicated with the rodless cavity of described support plugging pin oil cylinder, the first actuator port of described the second electromagnetic valve is communicated with the rod chamber of work plugging pin oil cylinder, and the second actuator port of described the second electromagnetic valve is communicated with the rodless cavity of described work plugging pin oil cylinder.
Alternatively, described device also comprises that described primary importance sensor is connected with described controller respectively with described second place sensor for detection of the primary importance sensor of the horizontal level of described support latch with for detection of the second place sensor of the horizontal level of described work latch.
Alternatively, described primary importance sensor setting is installed in the installing hole of described support latch on ring beam in described self lift type lift platform.
Alternatively, described second place sensor setting is installed in the installing hole of described work latch on lower ring in described self lift type lift platform.
Alternatively, described the first electromagnetic valve and described the second electromagnetic valve also comprise for control described oil-in under high level signal controls with described the second actuator port connected sum the 4th control end that described oil-out is communicated with described the first actuator port, described device also comprises the 3rd relay, described the 3rd relay comprises the 5th control end and the 3rd constant open contact, described the 5th control end is connected between the 3rd output and the negative pole of described power supply of described controller, the 4th control end of described the first electromagnetic valve and described the 3rd constant open contact are serially connected between the both positive and negative polarity of described power supply.
Alternatively, described device also comprises the 4th relay; Described the 4th relay comprises the 6th control end and the 4th constant open contact, described the 6th control end is connected between the 4th output and the negative pole of described power supply of described controller, and the 4th control end of described the second electromagnetic valve and described the 4th constant open contact are serially connected between the both positive and negative polarity of described power supply.
Alternatively, described device also comprises changeover switch, and described changeover switch comprises two contact sets, and described in each, contact sets comprises two contacts, and described changeover switch also comprises controls described in each the handle of two described contact break-makes in contact sets; Described in one of them, contact sets is arranged between described the first constant open contact and the negative pole of described power supply; Described in another, contact sets is arranged between described the second constant open contact and the negative pole of described power supply.
Alternatively, described the first electromagnetic valve is three position four-way electromagnetic valve.
Alternatively, described the second electromagnetic valve is three position four-way electromagnetic valve.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: by controller, export the control end of high level to the first relay and the control end of output low level to the second relay, make to support latch in disengaged condition; Otherwise, by controller, export the control end of high level to the second relay and the control end of output low level to the first relay, make work latch in disengaged condition; When inputing to the level signal of the first relay and the control end of the second relay when different, support latch or work latch just in disengaged condition; And when supporting latch or work latch just in disengaged condition, if change the level signal of the control end that inputs to the first relay and second one of them relay of relay, input to the first relay identical with the level signal of the control end of the second relay, can not make not the support latch in disengaged condition (in engagement) or work latch in disengaged condition; Like this, can guarantee that two groups of latches of lift platform are when wherein one group of latch is in disengaged condition, another group latch can not be in disengaged condition and can only be in engagement, thereby guarantees that platform can safety work.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of latch interlocking control device of providing of the utility model embodiment.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment
The utility model embodiment provides a kind of latch interlocking control device, be applicable to control in self lift type lift platform, support latch and work latch respectively with self lift type lift platform in pin hole on spud leg throw off or engagement, referring to Fig. 1, this device comprises:
Power supply 8, controller 1, the first relay, the second relay, the first electromagnetic valve 4 and the second electromagnetic valve 5.The first relay comprises the first control end 2a(K1), the first constant open contact 2b and the first constant close contact 2c.The second relay comprises the second control end 3a(K2), the second constant open contact 3b and the second constant close contact 3c.The first electromagnetic valve 4 and the second electromagnetic valve 5 are provided with oil inlet P, oil-out T, the first actuator port A, the second actuator port B and control with the first actuator port A connected sum the 3rd control end that oil-out T is communicated with the second actuator port B for control oil inlet P under high level signal.
The input of controller 1 is connected with the positive pole of power supply 8.The first control end 2a is connected between the first output of controller 1 and the negative pole of power supply 8, and the second control end 3a is connected between the second output of controller 1 and the negative pole of power supply 8.One end of the 3rd control end of the first electromagnetic valve 4 is connected with the positive pole of power supply 8, and the second constant close contact 3c and the first constant open contact 2b are serially connected between the other end of the 3rd control end and the negative pole of power supply 8 of the first electromagnetic valve 4.One end of the 3rd control end of the second electromagnetic valve 5 is connected with the positive pole of power supply 8, and the first constant close contact 2c and the second constant open contact 3b are serially connected between the other end of the 3rd control end and the negative pole of power supply 8 of the second electromagnetic valve 5.
The first actuator port A of the first electromagnetic valve 4 is communicated with supporting the rod chamber 100 of plugging pin oil cylinder 10, the second actuator port B of the first electromagnetic valve 4 is communicated with supporting the rodless cavity 101 of plugging pin oil cylinder 10, the first actuator port A of the second electromagnetic valve 5 is communicated with the rod chamber 110 of work plugging pin oil cylinder 11, and the second actuator port B of the second electromagnetic valve 5 is communicated with the rodless cavity 111 of work plugging pin oil cylinder 11.
For relay, the control end of relay is controlled constant open contact connection under high level signal and constant close contact disconnects, and controls constant open contact disconnection and constant close contact and be communicated with under low level signal.
Particularly, oil inlet P is communicated with the oil-out of hydraulic pump (Fig. 1 is not shown), and oil-out T is communicated with fuel tank (Fig. 1 is not shown), and the oil-in of hydraulic pump is communicated with fuel tank.
The course of work of the latch interlocking control device of the present embodiment is described below in conjunction with Fig. 1.
Controlling the course of work of supporting latch to throw off is: controller 1 output high level to the first control end 2a(the first relay obtains electric), controller 1 output low level to the second control end 3a(the second relay must not be electric), at this moment, the first constant open contact 2b connects (the first constant close contact 2c disconnects), and the second constant close contact 3c connects (the second constant open contact 3b disconnects).The 3rd control end of the first electromagnetic valve 4 and power supply 8 connected, and the oil inlet P of controlling the first electromagnetic valve under high level signal is communicated with the first actuator port A, and the oil-out T of the first electromagnetic valve is communicated with the second actuator port B.Support rod chamber 100 oil-feeds of plugging pin oil cylinder 10, promote to support latch retract rodless cavity 101.
The course of work that control work latch is thrown off is: controller 1 output low level to the first control end 2a(the first relay must not be electric), controller 1 output high level to the second control end 3a(the second relay obtains electric), at this moment, the first constant close contact 2c connects (the first constant open contact 2b disconnects), and the second constant open contact 3b connects (the second constant close contact 3c disconnects).The 3rd control end of the second electromagnetic valve 5 and power supply 8 connected, and the oil inlet P of controlling the second electromagnetic valve under high level signal is communicated with the first actuator port A, and the oil-out T of the second electromagnetic valve is communicated with the second actuator port B.Rod chamber 110 oil-feeds of work plugging pin oil cylinder 11, the latch retract that pushes the work forward rodless cavity 111.
Above, when supporting latch to be disengaged condition (the first relay obtain electric and the second relay must not electricity), at this moment, if controller 1 output high level signal to the second control end 3a(be equivalent to the first relay and the second relay simultaneously electric), on the one hand, due to the first relay when electric the first constant close contact 2c be off-state, so the circuit between power supply 8 and the 3rd control end of the second electromagnetic valve 5 is off-state, the latch of working the so rodless cavity 111 of cannot retracting, can only be in engagement.On the other hand, the second constant close contact 3c is off-state, so the circuit between power supply 8 and the 3rd control end of the first electromagnetic valve 4 is off-state, at this moment, the oil-out T of the first electromagnetic valve is no longer communicated with the second actuator port B of the first electromagnetic valve, support that the rodless cavity 10 of plugging pin oil cylinder 10 is not fuel-displaced, thereby maintain, support latch in stable state.Otherwise, when work latch is disengaged condition, at this moment, if controller 1 output high level signal to the first control end 2a, the first relay and the second relay simultaneously electric, can guarantee that two groups of latches of lift platform are when wherein one group of latch is in disengaged condition, another group latch can not be in disengaged condition and can only be in engagement.
Alternatively, this device also comprises primary importance sensor and second place sensor (Fig. 1 is not shown), this primary importance sensor setting is installed on ring beam in the installing hole of supporting latch in self lift type lift platform, and second place sensor setting is in self lift type lift platform on lower ring in the installing hole of installation work latch.Primary importance sensor and second place sensor can detect respectively the horizontal level of supporting latch or work latch, and using horizontal level as index signal, input to controller 1.Controller 1 can be understood and support latch or work latch in throwing off or engagement according to this horizontal level, and then the control end of generation high level signal or low level signal to the first relay and the second relay, to control, support latch and work latch retract rodless cavity 101.
Alternatively, the first electromagnetic valve 4 and the second electromagnetic valve 5 also comprise the 4th control end being communicated with the first actuator port A with the second actuator port B connected sum control oil-out T for control oil inlet P under high level signal.This device also comprises the 3rd relay.The 3rd relay comprises the 5th control end 6a(K3) and the 3rd constant open contact 6b.The 5th control end 6a is connected between the 3rd output and the negative pole of power supply 8 of controller 1.The 4th control end and the 3rd constant open contact 6b of the first electromagnetic valve 4 are serially connected between the both positive and negative polarity of power supply 8.
Controller 1 is by the break-make between the 3rd power source for relay control 8 and the 4th control end of the first electromagnetic valve 4, and then can control and support the rodless cavity 101 of latch to be communicated with oil inlet P, rod chamber 100 is communicated with oil-out T, supports latch to insert the pin hole (engagement) on spud leg.
Alternatively, this device also comprises the 4th relay.The 4th relay comprises the 6th control end 7a(K4) and the 4th constant open contact 7b.The 6th control end 7a is connected between the 4th output and the negative pole of power supply 8 of controller 1, and the 4th control end and the 4th constant open contact 7b of the second electromagnetic valve 5 are serially connected between the both positive and negative polarity of power supply 8.
For electromagnetic valve, when the 3rd control end of electromagnetic valve and the 4th control end are all under low level signal, the oil inlet P of electromagnetic valve will be communicated with the first actuator port A and the second actuator port B respectively.Therefore, all must not electricity when (low level signal) when the first relay, the second relay, the 3rd relay and the 4th relay, two actuator ports (A and B) of the first electromagnetic valve 4 or the second electromagnetic valve 5 are all communicated with oil inlet P.At this moment, will guarantee that plugging pin oil cylinder is oil-filled state, thereby keep supporting latch and work latch to be engagement.
Alternatively, this device also comprises changeover switch (Fig. 1 is not shown), and this changeover switch comprises two contact sets, and each contact sets comprises two contacts, and changeover switch also comprises the handle of controlling two contact break-makes in each contact sets.One of them contact sets is arranged between the first constant open contact 2b and the negative pole of power supply 8; Another contact sets is arranged between the second constant open contact 3b and the negative pole of power supply 8.Operating personnel are by handling the handle of this changeover switch, can control power supply 8 respectively and the first constant open contact 2b and the second constant open contact 3b between break-make, thereby can realize controller 1, control the disengagement of supporting latch and work latch.
Alternatively, the first electromagnetic valve 4 can be three position four-way electromagnetic valve, and the second electromagnetic valve 5 can be three position four-way electromagnetic valve.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: by controller, export the control end of high level to the first relay and the control end of output low level to the second relay, make to support latch in disengaged condition; Otherwise, by controller, export the control end of high level to the second relay and the control end of output low level to the first relay, make work latch in disengaged condition; When inputing to the level signal of the first relay and the control end of the second relay when different, support latch or work latch just in disengaged condition; And when supporting latch or work latch just in disengaged condition, if change the level signal of the control end that inputs to the first relay and second one of them relay of relay, input to the first relay identical with the level signal of the control end of the second relay, can not make not the support latch in disengaged condition (in engagement) or work latch in disengaged condition; Like this, can guarantee that two groups of latches of lift platform are when wherein one group of latch is in disengaged condition, another group latch can not be in disengaged condition and can only be in engagement, thereby guarantees that platform can safety work.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a latch interlocking control device, be applicable to control in self lift type lift platform, support latch and work latch respectively with described self lift type lift platform in pin hole on spud leg throw off or engagement, it is characterized in that, described device comprises:
Power supply, controller, the first relay, the second relay, the first electromagnetic valve and the second electromagnetic valve; Described the first relay comprises the first control end, the first constant open contact and the first constant close contact, described the second relay comprises the second control end, the second constant open contact and the second constant close contact, and described the first electromagnetic valve and described the second electromagnetic valve are respectively equipped with oil-in, oil-out, the first actuator port, the second actuator port and control with described the first actuator port connected sum the 3rd control end that described oil-out is communicated with described the second actuator port for control described oil-in under high level signal;
The input of described controller is connected with the positive pole of described power supply, described the first control end is connected between first output and the negative pole of described power supply of described controller, described the second control end is connected between second output and the negative pole of described power supply of described controller, the 3rd one end of control end and the positive pole of described power supply of described the first electromagnetic valve are connected, described the second constant close contact and described the first constant open contact are serially connected between the 3rd other end of control end and the negative pole of described power supply of described the first electromagnetic valve, the 3rd one end of control end and the positive pole of described power supply of described the second electromagnetic valve are connected, described the first constant close contact and described the second constant open contact are serially connected between the 3rd other end of control end and the negative pole of described power supply of described the second electromagnetic valve,
The first actuator port of described the first electromagnetic valve is communicated with supporting the rod chamber of plugging pin oil cylinder, the second actuator port of described the first electromagnetic valve is communicated with the rodless cavity of described support plugging pin oil cylinder, the first actuator port of described the second electromagnetic valve is communicated with the rod chamber of work plugging pin oil cylinder, and the second actuator port of described the second electromagnetic valve is communicated with the rodless cavity of described work plugging pin oil cylinder.
2. device according to claim 1, it is characterized in that, described device also comprises that described primary importance sensor is connected with described controller respectively with described second place sensor for detection of the primary importance sensor of the horizontal level of described support latch with for detection of the second place sensor of the horizontal level of described work latch.
3. device according to claim 2, is characterized in that, described primary importance sensor setting is installed in the installing hole of described support latch on ring beam in described self lift type lift platform.
4. device according to claim 2, is characterized in that, described second place sensor setting is installed in the installing hole of described work latch on lower ring in described self lift type lift platform.
5. device according to claim 1, it is characterized in that, described the first electromagnetic valve and described the second electromagnetic valve also comprise for control described oil-in under high level signal controls with described the second actuator port connected sum the 4th control end that described oil-out is communicated with described the first actuator port, described device also comprises the 3rd relay, described the 3rd relay comprises the 5th control end and the 3rd constant open contact, described the 5th control end is connected between the 3rd output and the negative pole of described power supply of described controller, the 4th control end of described the first electromagnetic valve and described the 3rd constant open contact are serially connected between the both positive and negative polarity of described power supply.
6. device according to claim 5, is characterized in that, described device also comprises the 4th relay; Described the 4th relay comprises the 6th control end and the 4th constant open contact, described the 6th control end is connected between the 4th output and the negative pole of described power supply of described controller, and the 4th control end of described the second electromagnetic valve and described the 4th constant open contact are serially connected between the both positive and negative polarity of described power supply.
7. device according to claim 1, it is characterized in that, described device also comprises changeover switch, and described changeover switch comprises two contact sets, described in each, contact sets comprises two contacts, and described changeover switch also comprises controls described in each the handle of two described contact break-makes in contact sets; Described in one of them, contact sets is arranged between described the first constant open contact and the negative pole of described power supply; Described in another, contact sets is arranged between described the second constant open contact and the negative pole of described power supply.
8. according to the device described in claim 1-7 any one, it is characterized in that, described the first electromagnetic valve is three position four-way electromagnetic valve.
9. according to the device described in claim 1-7 any one, it is characterized in that, described the second electromagnetic valve is three position four-way electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111013.1U CN203904957U (en) | 2014-03-12 | 2014-03-12 | Bolt interlocking control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111013.1U CN203904957U (en) | 2014-03-12 | 2014-03-12 | Bolt interlocking control device |
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| Publication Number | Publication Date |
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| CN203904957U true CN203904957U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420111013.1U Expired - Fee Related CN203904957U (en) | 2014-03-12 | 2014-03-12 | Bolt interlocking control device |
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| CN (1) | CN203904957U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650323A (en) * | 2014-11-30 | 2016-06-08 | 中国科学院沈阳自动化研究所 | Control device and method of underwater hydraulic valve box |
| CN106013029A (en) * | 2016-05-19 | 2016-10-12 | 武汉船用机械有限责任公司 | Lifting method of bolt lifting platform and bolt lifting platform |
| CN106049394A (en) * | 2016-05-27 | 2016-10-26 | 武汉船用机械有限责任公司 | Control method and control system of hydraulic bolt type lifting equipment |
-
2014
- 2014-03-12 CN CN201420111013.1U patent/CN203904957U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650323A (en) * | 2014-11-30 | 2016-06-08 | 中国科学院沈阳自动化研究所 | Control device and method of underwater hydraulic valve box |
| CN105650323B (en) * | 2014-11-30 | 2018-11-20 | 中国科学院沈阳自动化研究所 | A kind of underwater hydraulic clack box control device and its control method |
| CN106013029A (en) * | 2016-05-19 | 2016-10-12 | 武汉船用机械有限责任公司 | Lifting method of bolt lifting platform and bolt lifting platform |
| CN106013029B (en) * | 2016-05-19 | 2018-01-05 | 武汉船用机械有限责任公司 | The elevating method and latch hoistable platform of a kind of latch hoistable platform |
| CN106049394A (en) * | 2016-05-27 | 2016-10-26 | 武汉船用机械有限责任公司 | Control method and control system of hydraulic bolt type lifting equipment |
| CN106049394B (en) * | 2016-05-27 | 2018-03-20 | 武汉船用机械有限责任公司 | A kind of control method and control system of hydraulic bolt formula jacking equipment |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |