CN203383570U - Direct-measured digital display displacement and automatic balance device for jacking multiple oil cylinders - Google Patents
Direct-measured digital display displacement and automatic balance device for jacking multiple oil cylinders Download PDFInfo
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- CN203383570U CN203383570U CN201320231436.2U CN201320231436U CN203383570U CN 203383570 U CN203383570 U CN 203383570U CN 201320231436 U CN201320231436 U CN 201320231436U CN 203383570 U CN203383570 U CN 203383570U
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Abstract
The utility model relates to a direct-measured digital display displacement and automatic balance device for jacking multiple oil cylinders. The device is arranged at a lower jack-up ground derrick and is characterized by comprising two sets of stay wire type displacement sensing components, a set of monitoring instrument and a set of oil cylinder control system, wherein a set of stay wire type displacement sensing component is arranged on each oil cylinder of the lower jack-up ground derrick; a stay wire type displacement sensor of each set of stay wire type displacement sensing component is mounted on a cylinder body of each oil cylinder of the lower jack-up ground derrick; stay wires are fixed on stay wire fixing plates; the stay wire fixing plates are fixed on the upper surfaces of expansion links of the oil cylinders of the lower jack-up ground derrick; oil cylinder hydraulic pressure stations are mounted on jacking walking boards of the lower jack-up ground derrick; the monitoring instrument and the oil cylinder control system are mounted in the oil cylinder hydraulic pressure stations; the stay wire type displacement sensing components are connected with the monitoring instrument; the monitoring instrument is connected with the oil cylinder control system; the oil cylinder control system is connected with the oil cylinders of the lower jack-up ground derrick. The direct-measured digital display displacement and automatic balance device for jacking the multiple oil cylinders is simple in structure, convenient and rapid to modify and convenient to operate.
Description
Technical field
The utility model relates to straight digital display displacement and the automatic balancing arrangement surveyed for a kind of Multi-cylinder jacking, is applicable to the two flat arm seats of lower jacking top slewing ground pole, single action arm seat ground pole.
Background technology
Development along with power system, setting up of high pressure, the remote conveying circuit of super-pressure is more and more, and the setting height(from bottom) of setting up the electric power tower of needs in order to meet transmission line of electricity is also more and more higher, consideration based on safety and functional performance, reduce as far as possible amount of high-altitude operation, original electric power tower lifting device suspended holding pole has started to step down from the stage of history gradually in the operation of electric power high tower construction, the substitute is jacking type seat ground pole under Multi-cylinder.This type of lower jacking seat ground pole, by terrestrial operation Double Tops oil-lifting jar, just can be realized the lifting guide support adding of pole, thus make pole reach need to use highly.In the jacking process, the all weight in pole top is all born by two jacking cylinders, if occur that at this moment the jacking cylinder action is asynchronous, it is the stroke different (difference between the stroke of two oil cylinders exceeds zone of reasonableness) of oil cylinder, will make the verticality on pole top surpass the scope allowed, thus the danger that causes pole to collapse.In existing control mode, basically be to guarantee the synchronous of two oil cylinders by adjusting synchronous valve, then the auxiliary stroke with oil cylinder shows, the stroke of manual observation oil cylinder, after occurring when asynchronous that artificial carrying out manually controlled, find synchronous point, both sides carry out again lifting operation.And, in practical operation, by adjusting synchronous valve, guarantee that two oil cylinder Complete Synchronizations are difficult to accomplish, need often manually being adjusted repeatedly in a jacking process.The stroke display is for respectively single oil cylinder being shown separately, between not contact, the difference of both sides needs the people to calculate for going, it is very fast again that stroke shows that numeral changes, observing neither be very convenient.
The patent No. is 201120424348.5, disclose a kind of technical scheme in the Chinese patent that patent name is " a kind of novel synchronous jacking control system based on the CAN bus ": this control system adopts CAN bus and Closed loop Control in the hydraulic climbing formwork frame climbs process, be that each sub-controller detects at any time each Jacking point displacement and uploads to master controller by the CAN bus, master controller is adjusted by calculating relatively, send control instruction to each sub-controller, the whole process of climbing is synchronously carried out.Displacement signal records by being arranged on in-oil cylinder position sensor, and signal arranges and to be undertaken by signal processor, and signal relatively judges, process by master controller and complete, and the execution of control signal is completed by sub-controller and executing agency; Signal transmission between master controller and sub-controller is completed by the CAN bus.
Technique scheme can preferably resolve the problem of synchronization of jacking up, and the whole process of climbing is synchronously carried out, and such scheme relatively is applicable to building site comparatively speaking in the marvellous situation of dismounting.But the seat ground pole of mentioning in the technology of the present invention field is field construction, the dismounting frequency is very high, general about one month will dismounting once, and can not be operated separately single oil cylinder in technique scheme, so technique scheme be not very applicable in the art.
The utility model content
Technical problem to be solved in the utility model be overcome deficiency of the prior art and provide a kind of simple in structure, reequip straight digital display displacement and the automatic balancing arrangement surveyed for convenient, easy to operate Multi-cylinder jacking.
The technical scheme in the invention for solving the above technical problem is: straight digital display displacement and the automatic balancing arrangement surveyed for this Multi-cylinder jacking, be arranged on lower jacking type seat ground pole, it is characterized in that: comprise two cover stay-supported displacement sensing parts, a set of monitoring device and a set of cylinder control system, be respectively arranged with a set of stay-supported displacement sensing parts on the oil cylinder of each lower jacking type seat ground pole, stay-supported type displacement sensor in every cover stay-supported displacement sensing parts is arranged on the cylinder block of lower jacking type seat ground pole, its bracing wire is fixed on the bracing wire fixed head, the bracing wire fixed head is fixed on above the oil cylinder expansion link of lower jacking type seat ground pole, the jacking of lower jacking type seat ground pole is equipped with the oil cylinder hydraulic station on walking on stage, monitoring device and cylinder control system are installed in the oil cylinder hydraulic station, stay-supported displacement sensing parts are connected with monitoring device, monitoring device is connected with cylinder control system, cylinder control system is connected with the oil cylinder of lower jacking type seat ground pole.The utility model, by straight displacement of surveying two oil cylinders, by calculating the displacement difference of two oil cylinders, thereby is controlled two oil cylinders, reaches the self balancing purpose in both sides.Simultaneously the utility model also is provided with one-sided oil cylinder range protection, and oil cylinder is moved in the range of prescribed limit, prevents the operation of oil cylinder overtravel, damages oil cylinder and pole is caused danger.The utility model can be realized the single movement of bilateral oil cylinder and action simultaneously, simple to operation.Adopting the benefit of stay-supported type displacement sensor is can directly measure the distance of cylinder jacking by the length of bracing wire, measures fast directly perceived.The benefit of stay-supported type displacement sensor installation site and structure is to adopt external mounting means, can directly judge by bracing wire the quality of sensor, and adopts the stay wire sensor of external conveniently to install sensor additional, is convenient to the transformation to old product.
Monitoring device described in the utility model comprises three display windows, be respectively independent stroke display window and two oil cylinder stroke difference display windows of two oil cylinders, monitoring device converts the analog quantity wire size obtained to digital quantity signal, on three display windows, show in real time respectively, monitoring device, according to the oil cylinder stroke signal gathered, outputs to cylinder control system by corresponding control signal.The advantage of technique scheme is that the displacement of one-sided oil cylinder and the displacement difference of bilateral oil cylinder show in real time on same interface, facilitates the user to observe.
The control signal of monitoring device output described in the utility model comprises the range control signal of each oil cylinder and the path difference control signal of being out of the line of each oil cylinder.The advantage of technique scheme is that the range control signal of each oil cylinder can guarantee that oil cylinder moves in the range of prescribed limit, prevent the operation of oil cylinder overtravel, damage oil cylinder and pole is caused danger, when oil cylinder stroke reaches maximum oil cylinder stroke, oil cylinder quits work automatically.The path difference control signal of being out of the line of oil cylinder can be controlled two oil cylinders, automatically realizes the balanced adjustment of two oil cylinders.
Cylinder control system described in the utility model comprises line breaker, oil cylinder top relay, relay falls in oil cylinder, oil cylinder is stretched electromagnetic valve, oil cylinder contracting electromagnetic valve, an oil cylinder single movement relay, No. two oil cylinder single movement relays, the oil cylinder path difference relay that is out of the line, No. two oil cylinders path difference relay that is out of the line, oil cylinder is stretched button, button falls in oil cylinder, an oil cylinder range relay, No. two oil cylinder range relays, the cylinder action selector switch, the control power supply is connected respectively to oil cylinder and stretches button after line breaker, button and cylinder action selector switch fall in oil cylinder, and oil cylinder is stretched button and connected oil cylinder top relay, and oil cylinder falls button and just connects oil cylinder and fall relay, and the cylinder action selector switch is connected respectively to oil cylinder single movement relay No. one, No. two oil cylinder single movement relays, oil cylinder top relay and oil cylinder fall relay and are connected to respectively oil cylinder stretch electromagnetic valve and oil cylinder contracting electromagnetic valve after the protection circuit in control loop, the oil cylinder path difference relay that is out of the line, No. two oil cylinders path difference relay that is out of the line, an oil cylinder range relay, No. two oil cylinder range relay is exported by monitoring device, with cylinder control system, is connected.
The utility model compared with prior art has the following advantages: by stay-supported type displacement sensor, the displacement of oil cylinder is carried out to real-time measurement.Subtraction calculations is carried out in the bilateral oil cylinder displacement of gained, obtains the progressive error of bilateral oil cylinder.The displacement difference of the displacement of one-sided oil cylinder and bilateral oil cylinder shows in real time on same interface, facilitates the user to observe.According to the stroke difference of bilateral oil cylinder, the bilateral oil cylinder is carried out to self balancing control.By button and changeover switch, realize the action individually or simultaneously of bilateral oil cylinder, avoided operating by both hands the action of bilateral oil cylinder, simple to operation.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is control principle schematic diagram of the present utility model.
Fig. 3 is the utility model monitoring device theory diagram.
Fig. 4 is B section enlarged drawing in Fig. 1.
The specific embodiment
The utility model comprises two cover stay-supported displacement sensing parts I, a set of monitoring device II, a set of cylinder control system III, all is arranged on lower jacking type seat ground pole A.
Referring to Fig. 1 and Fig. 4, every cover stay-supported displacement sensing parts I comprises stay-supported type displacement sensor 1, bracing wire 2, bracing wire fixed head 3.Stay-supported type displacement sensor 1 is arranged on the cylinder block 4 of lower jacking type seat ground pole A, bracing wire 2 is fixed on bracing wire fixed head 3, bracing wire fixed head 3 is fixed on above the oil cylinder expansion link 5 of lower jacking type seat ground pole A, bracing wire 2 can or be involved in automatically according to the flexible elongation of oil cylinder, thereby guarantee identical with the actual stroke of oil cylinder, the real-time stroke that detects oil cylinder of displacement that stay-supported type displacement sensor 1 is measured.
The oil cylinder hydraulic station 7 of lower jacking type seat ground pole A is arranged on jacking and walks on stage on 6, and monitoring device II and cylinder control system III are arranged on that oil cylinder hydraulic station 7 is convenient to be observed and the position of operation.Stay-supported displacement sensing parts I is connected with the monitoring device II, and the monitoring device II is connected with the cylinder control system III, and the cylinder control system III is connected with the oil cylinder of lower jacking type seat ground pole A.
The monitoring device II is as Fig. 3, by gathering stay-supported type displacement sensor 1 signal, stroke to oil cylinder carries out real-time detection and demonstration, the monitoring device II is divided three display windows, be respectively from top to bottom 9, No. two oil cylinder stroke display windows 10 of an oil cylinder stroke display window and bilateral oil cylinder stroke difference display window 11.The monitoring device II is according to the oil cylinder stroke signal gathered, corresponding control signal is outputed to the cylinder control system III, above-mentioned control signal is respectively oil cylinder range control signal No. one, No. two oil cylinder range control signals, the oil cylinder path difference control signal of being out of the line, the path difference output of being out of the line of No. two oil cylinders is controlled.Oil cylinder range control signal is worked in effective travel for the bonding side cylinder, and oil cylinder is out of the line the path difference control signal for guaranteeing the balance Control Scheme of bilateral oil cylinder.
The operating principle of cylinder control system III as shown in Figure 2.Wherein QF is line breaker, KA1 is oil cylinder top relay, KA2 is that relay falls in oil cylinder, YV11, YV21 is that oil cylinder is stretched electromagnetic valve, YV12, YV22 is oil cylinder contracting electromagnetic valve, KA3 is an oil cylinder single movement relay, KA4 is No. two oil cylinder single movement relays, KA5 is the oil cylinder path difference relay that is out of the line, KA6 is No. two oil cylinders path difference relays that are out of the line, SB1 is that oil cylinder is stretched button, SB2 is that button falls in oil cylinder, SA11 is an oil cylinder range relay (monitoring device output), SA21 is No. two oil cylinder range relays (monitoring device output), SA12 is the oil cylinder path difference relay (monitoring device output) that is out of the line, SA22 is No. two oil cylinders path difference relays (monitoring device output) that are out of the line, SA is the cylinder action selector switch.Stretching, stop by controlling oil cylinder telescoping electromagnetic valve YV11, YV21, YV12, YV22 of jacking cylinder, realize that the action of 3-position 4-way Self-returning Directional Control Valve realizes.The bilateral oil cylinder can single oil cylinder single movement, also can realize that the bilateral oil cylinder moves simultaneously and carries out balance Control Scheme.The control power supply is connected respectively to oil cylinder and stretches button after circuit breaker Q F, button and cylinder action selector switch fall in oil cylinder, oil cylinder is stretched button and is connected oil cylinder top relay K A1, oil cylinder falls button and just connects oil cylinder and fall relay K A2, cylinder action selector switch SA is connected respectively to oil cylinder single movement relay K A3 No. one, No. two oil cylinder single movement relay K A4, oil cylinder top relay K A1 and oil cylinder fall relay K A2 and are connected to respectively oil cylinder stretch electromagnetic valve YV11 after the protection circuit in control loop, YV21 and oil cylinder contracting electromagnetic valve YV12, YV22, the oil cylinder path difference relay SA12 that is out of the line, No. two oil cylinders path difference relay SA22 that is out of the line, an oil cylinder range relay SA11, No. two oil cylinder range relay SA21 is exported by the monitoring device II, with the cylinder control system III, be connected.
The single movement of single oil cylinder: by oil cylinder selector switch SA, select needed cylinder action situation, the oil cylinder selector switch is divided into third gear, and first grade is an oil cylinder single movement, second gear is that No. one, No. two oil cylinders move simultaneously, and third gear is No. two oil cylinder single movements.The oil cylinder single movement of take is the example explanation, Hydraulic Station 7 energisings, the oil pump normal operation, the circuit breaker Q of closing F, control loop obtains electric, cylinder action selector switch SA gets to the first gear, the oil cylinder single movement relay K A3 actuating of relay, now press oil cylinder and stretch button SB1, oil cylinder top relay K A1 energized action, oil cylinder is stretched electromagnetic valve YV11 and is obtained electric, No. one oil cylinder is made extend action, when unclamping oil cylinder and stretch button SB1, an oil cylinder quits work automatically, if now the stroke of an oil cylinder reaches max die travel distance an oil cylinder range relay SA11 action, automatically cut off the extend action of an oil cylinder, within guaranteeing that an oil cylinder operates in effective travel, but No. one oil cylinder can carry out retract action.Fall button SB2 if press oil cylinder, relay K A2 energized action falls in oil cylinder, and oil cylinder contracting electromagnetic valve YV12 obtains electric, and No. one oil cylinder is made retract action, and when unclamping oil cylinder and fall button SB2, an oil cylinder quits work automatically.No matter press, oil cylinder is stretched button SB1 or button SB2 falls in oil cylinder in this course, No. two all akinesias of oil cylinder.As No. two oil cylinder single movements of need, need oil cylinder selector switch SA is switched to third gear, fall button SB2 No. two oil cylinders are operated stretching button SB1 or oil cylinder by oil cylinder, the single movement of No. two oil cylinders is similar to the single movement of an oil cylinder, oil cylinder akinesia during No. two oil cylinder single movements.
Bilateral oil cylinder self-balancing action simultaneously: in Hydraulic Station 7 energisings, under the oil pump normal operation, the circuit breaker Q of closing F, control loop obtains electric, oil cylinder selector switch SA gets to the second gear, and now oil cylinder, No. two oil cylinders will be stretched button SB1 and the operation of button SB2 and action simultaneously fall in oil cylinder along with oil cylinder.Stretch button SB1 when pressing oil cylinder, oil cylinder top relay K A1 energized action, oil cylinder is stretched electromagnetic valve YV11, oil cylinder stretch electromagnetic valve KV21 simultaneously electric, an oil cylinder, No. two oil cylinder is made extend action simultaneously, an oil cylinder when unclamping oil cylinder and stretch button SB1, No. two oil cylinder quits work simultaneously automatically, an if oil cylinder now, No. two oil cylinder reaches max die travel distance separately, an oil cylinder range relay SA11, No. two oil cylinder range relay SA21 all moves, automatically cut off corresponding extend action, within guaranteeing that two oil cylinders operate in effective travel, but two oil cylinders can carry out retract action.In oil cylinder extend action process, if the stroke difference of an oil cylinder and No. two oil cylinders has surpassed the allowed band of regulation, i.e. oil cylinder path difference relay SA12 or No. two oil cylinders path difference relay SA22 action of being out of the line of being out of the line, carry out balance play automatically.SA12 action in this way, an oil cylinder stops extend action, and No. two oil cylinder continues extend action, when the stroke difference of bilateral gets back to zero, an oil cylinder autonomous recovery action, bilateral continues to carry out lifting operation simultaneously.Now also can pass through cylinder action selector switch SA, manually carry out the balance of bilateral and control.If press oil cylinder, button SB2 falls, two oil cylinders move just contrary simultaneously while carrying out retract action, if or SA12 action, now an oil cylinder is proceeded retract action, No. two oil cylinder stops retract action, after bilateral stroke difference is eliminated, No. two oil cylinder recovers retract action automatically.
Above embodiment has made comparatively detailed description to the utility model, but these descriptions are not to restriction of the present utility model, and the utility model is not limited to concrete structure and the description of above-described embodiment.Protection domain of the present utility model comprises those apparent conversion or alternative and remodeling to those skilled in the art.
Claims (4)
1. a Multi-cylinder jacking is with directly surveying digital display displacement and automatic balancing arrangement, be arranged on lower jacking type seat ground pole, it is characterized in that: comprise two cover stay-supported displacement sensing parts, a set of monitoring device and a set of cylinder control system, be respectively arranged with a set of stay-supported displacement sensing parts on the oil cylinder of each lower jacking type seat ground pole, stay-supported type displacement sensor in every cover stay-supported displacement sensing parts is arranged on the cylinder block of lower jacking type seat ground pole, its bracing wire is fixed on the bracing wire fixed head, the bracing wire fixed head is fixed on above the oil cylinder expansion link of lower jacking type seat ground pole, the jacking of lower jacking type seat ground pole is equipped with the oil cylinder hydraulic station on walking on stage, monitoring device and cylinder control system are installed in the oil cylinder hydraulic station, stay-supported displacement sensing parts are connected with monitoring device, monitoring device is connected with cylinder control system, cylinder control system is connected with the oil cylinder of lower jacking type seat ground pole.
2. Multi-cylinder jacking according to claim 1 is with directly surveying digital display displacement and automatic balancing arrangement, it is characterized in that: described monitoring device comprises three display windows, be respectively independent stroke display window and two oil cylinder stroke difference display windows of two oil cylinders, monitoring device converts the analog quantity wire size obtained to digital quantity signal, on three display windows, show in real time respectively, monitoring device, according to the oil cylinder stroke signal gathered, outputs to cylinder control system by corresponding control signal.
3. Multi-cylinder jacking according to claim 2, with directly surveying digital display displacement and automatic balancing arrangement, is characterized in that: the control signal of described monitoring device output comprises the range control signal of each oil cylinder and the path difference control signal of being out of the line of each oil cylinder.
4. Multi-cylinder jacking according to claim 1 is with directly surveying digital display displacement and automatic balancing arrangement, and it is characterized in that: described cylinder control system comprises line breaker, oil cylinder top relay, relay falls in oil cylinder, oil cylinder is stretched electromagnetic valve, oil cylinder contracting electromagnetic valve, an oil cylinder single movement relay, No. two oil cylinder single movement relays, the oil cylinder path difference relay that is out of the line, No. two oil cylinders path difference relay that is out of the line, oil cylinder is stretched button, button falls in oil cylinder, an oil cylinder range relay, No. two oil cylinder range relays, the cylinder action selector switch, the control power supply is connected respectively to oil cylinder and stretches button after line breaker, button and cylinder action selector switch fall in oil cylinder, and oil cylinder is stretched button and connected oil cylinder top relay, and oil cylinder falls button and just connects oil cylinder and fall relay, and the cylinder action selector switch is connected respectively to oil cylinder single movement relay No. one, No. two oil cylinder single movement relays, oil cylinder top relay and oil cylinder fall relay and are connected to respectively oil cylinder stretch electromagnetic valve and oil cylinder contracting electromagnetic valve after the protection circuit in control loop, the oil cylinder path difference relay that is out of the line, No. two oil cylinders path difference relay that is out of the line, an oil cylinder range relay, No. two oil cylinder range relay is exported by monitoring device, with cylinder control system, is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320231436.2U CN203383570U (en) | 2013-05-02 | 2013-05-02 | Direct-measured digital display displacement and automatic balance device for jacking multiple oil cylinders |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320231436.2U CN203383570U (en) | 2013-05-02 | 2013-05-02 | Direct-measured digital display displacement and automatic balance device for jacking multiple oil cylinders |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241675A (en) * | 2013-05-02 | 2013-08-14 | 浙江省建设机械集团有限公司 | Displacement direct-measuring and digital-display and automatic balancing device for multi-cylinder jacking system |
| CN105888357A (en) * | 2016-06-21 | 2016-08-24 | 衡水通广塔业有限公司 | Bottom jacking type lifting steel structure radar tower |
| CN108437156A (en) * | 2018-05-18 | 2018-08-24 | 天津依蓝时代电气设备有限公司 | Monitor adjustment system and the houses 3D printer |
| CN108755934A (en) * | 2018-05-21 | 2018-11-06 | 天津依蓝时代电气设备有限公司 | The 3D printing method in house |
-
2013
- 2013-05-02 CN CN201320231436.2U patent/CN203383570U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241675A (en) * | 2013-05-02 | 2013-08-14 | 浙江省建设机械集团有限公司 | Displacement direct-measuring and digital-display and automatic balancing device for multi-cylinder jacking system |
| CN105888357A (en) * | 2016-06-21 | 2016-08-24 | 衡水通广塔业有限公司 | Bottom jacking type lifting steel structure radar tower |
| CN108437156A (en) * | 2018-05-18 | 2018-08-24 | 天津依蓝时代电气设备有限公司 | Monitor adjustment system and the houses 3D printer |
| CN108755934A (en) * | 2018-05-21 | 2018-11-06 | 天津依蓝时代电气设备有限公司 | The 3D printing method in house |
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| GR01 | Patent grant | ||
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Granted publication date: 20140108 |
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| CX01 | Expiry of patent term |