CN106049394A - Control method and control system of hydraulic bolt type lifting equipment - Google Patents
Control method and control system of hydraulic bolt type lifting equipment Download PDFInfo
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- CN106049394A CN106049394A CN201610364662.6A CN201610364662A CN106049394A CN 106049394 A CN106049394 A CN 106049394A CN 201610364662 A CN201610364662 A CN 201610364662A CN 106049394 A CN106049394 A CN 106049394A
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- pin hole
- lower latch
- control
- lift cylinder
- latch
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
- E02B17/0809—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering the equipment being hydraulically actuated
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Actuator (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a control method and control system of hydraulic bolt type lifting equipment and belongs to the field of lifting platforms. The control method comprises the steps that when all upper bolts are inserted into corresponding bolt holes, lower bolts are controlled to be pulled out of bolt holes; after all the lower bolts are pulled out of the corresponding bolt holes, piston rods of lifting oil cylinders are controlled to stretch; and the lower bolts are controlled to be inserted into the corresponding bolt holes. By monitoring the stretching-out lengths of the piston rods of the lifting oil cylinders and whether the lower bolts are inserted into the corresponding bolt holes in the hydraulic bolt type lifting equipment, when the hydraulic bolt type lifting equipment is controlled to fall, if it is detected that the lower bolts located between every two adjacent lifting oil cylinders are not completely inserted into the corresponding bolt holes and the stretching-out lengths of the piston rods of every two adjacent oil cylinders do not meet the inequation (please see the specification for the inequation), movement of the lifting oil cylinders and the lower bolts is stopped, so that the situation that the lower bolts and the bolt holes are damaged when part of the lower bolts cannot be inserted into or are not completely inserted into the corresponding bolt holes is avoided.
Description
Technical field
The present invention relates to hoistable platform field, particularly to control method and the control of a kind of hydraulic bolt formula jacking equipment
System.
Background technology
Hydraulic bolt formula jacking equipment is applied in jack up ocean lifting platform, and it can coordinate jack up ocean liter
Spud leg in fall platform drives hull to move up and down along spud leg.
Existing hydraulic bolt formula jacking equipment specifically include that rotating ring beam, determine ring beam, be arranged on determine on ring beam upper insert
Pin and be arranged on rotating ring beam lower latch, connect determine ring beam and the lift cylinder of rotating ring beam, upper latch and lower latch can
Stretch in the pin hole on spud leg, be interleaved alternately with in pin hole by upper latch and lower latch, and coordinate the flexible of lift cylinder
Realize the lifting of hoistable platform.
When hoistable platform lifts in the ideal situation, the length that the piston rod of lift cylinder stretches out and lower latch move away from
From being consistent, and the distance that all of lower latch moves is the most identical, therefore can control the flexible of lift cylinder with through hole and make institute
There is lower latch to align with pin hole, it is ensured that all of lower latch can be inserted in pin hole simultaneously, but in a practical situation,
Due to lower ring or the inclination of platform, and the actual movement of length that the piston rod of lift cylinder stretches out and lower latch can be caused
Apart from not consistent, be also possible to occur the lower latch fault of part simultaneously and cannot action, thus all of lower insert cannot be ensured
Pin can be completely inserted in pin hole, and this total contact area allowing for latch and pin hole reduces, each latch and inserting
The pressure that pin-and-hole is born increases, and pin hole and latch may be caused to damage.
Summary of the invention
In order to solve the problems of the prior art, embodiments provide the control of a kind of hydraulic bolt formula jacking equipment
Method processed and control system.Described technical scheme is as follows:
On the one hand, embodiments providing the control method of a kind of hydraulic bolt formula jacking equipment, described method is used
In the decline of a set of jacking equipment controlled in hydraulic bolt formula hoistable platform, described method includes:
When all upper latches are inserted in the pin hole of correspondence, control lower latch and take out from corresponding described pin hole
From;
After all described lower latches all detach from corresponding described pin hole, control the piston rod of lift cylinder along stake
Lower limb stretch downward;
Control described lower latch to insert in corresponding described pin hole;
Monitor the length that the piston rod of described lift cylinder stretches out;
Monitor in the described pin hole whether described lower latch is completely inserted into correspondence;
When the described lower latch not monitored between two adjacent described lift cylinders is completely inserted into correspondence
Described pin hole in, and the length stretched out of the piston rod of described two adjacent described lift cylinders meets with lower inequality
Time:
Control all described lift cylinders and all described lower latch stop motions,
Wherein, L1Stretch out for the piston rod of a described lift cylinder in described two adjacent described lift cylinders
Length, L2The length stretched out for the piston rod of another the described lift cylinder in described two adjacent described lift cylinders, L
For the distance between the centrage of adjacent two the described pin holes of the axis direction along described spud leg, H is described pin hole
Diameter.
Preferably, the described lower latch of described control inserts in corresponding described pin hole, including:
Before described lift cylinder is elongated to make described lower latch be directed at described pin hole, controls described lower latch and stretch
Go out, until described lower latch is completely inserted in the described pin hole of correspondence.
Further, described method also includes:
After all of described lower latch is all completely inserted in the described pin hole of correspondence, control described lift cylinder
Piston rod continues, along described spud leg stretch downward, to make described lower latch be pressed on the inwall of corresponding described pin hole.
Preferably, described method also includes:
After on the inwall that described lower latch is pressed on corresponding described pin hole, control described upper latch from corresponding institute
State in pin hole and detach;
The piston rod controlling described lift cylinder shortens;
Control in the described pin hole that described upper latch is inserted into correspondence.
Preferably, described method also includes:
After controlling described lift cylinder and described lower latch stop motion, send alarm.
On the other hand, the embodiment of the present invention additionally provides the control system of a kind of jacking equipment, and described control system is used for
The decline of a set of jacking equipment in control hydraulic bolt formula hoistable platform, described control system includes:
Displacement detection module, for monitoring the length that the piston rod of lift cylinder stretches out;
Whether position detecting module, be completely inserted into for monitoring lower latch in the pin hole of correspondence;
Control module, during for being inserted in the described pin hole of correspondence when all upper latches, controls described lower latch
Detach from corresponding described pin hole;
After all described lower latches all detach from corresponding described pin hole, control the piston rod of described lift cylinder
Along spud leg stretch downward;
Control described lower latch to insert in corresponding described pin hole;
When the described lower latch not monitored between two adjacent described lift cylinders is completely inserted into correspondence
Described pin hole in, and the length stretched out of the piston rod of described two adjacent described lift cylinders meets with lower inequality
Time:
Control all described lift cylinders and all described lower latch stop motions,
Wherein, L1Stretch out for the piston rod of a described lift cylinder in described two adjacent described lift cylinders
Length, L2The length stretched out for the piston rod of another the described lift cylinder in described two adjacent described lift cylinders, L
For the distance between the centrage of adjacent two the described pin holes of the axis direction along described spud leg, H is described pin hole
Diameter.
Further, described control system also includes alarm modules, for controlling described lifting oil in described control module
After cylinder and described lower latch stop motion, under the control of described control module, send alarm.
Alternatively, described control module is additionally operable to be elongated to make described lower latch be directed at described latch at described lift cylinder
Before hole, control described lower latch and stretch out, until described lower latch is completely inserted in the described pin hole of correspondence.
Alternatively, institute's displacement detection module is displacement transducer, and institute's displacement sensors is with described lift cylinder one by one
Being correspondingly arranged, institute's displacement sensors is arranged on the described lift cylinder of correspondence, and described position detecting module is limit switch,
Described limit switch is arranged on the side of the described lower latch of correspondence.
Alternatively, described control module is additionally operable to when all of described lower latch is all completely inserted into the described latch of correspondence
Kong Zhonghou, the piston rod controlling described lift cylinder continues along described spud leg stretch downward, makes described lower latch be pressed on correspondence
Described pin hole inwall on.
The technical scheme that the embodiment of the present invention provides has the benefit that by hydraulic bolt formula jacking equipment
Whether length and lower latch that the piston rod of monitoring lift cylinder stretches out are inserted in the pin hole of correspondence, are controlling hydraulic bolt
When the jacking equipment of formula hoistable platform declines, when the lower latch not monitored between two adjacent lift cylinders is complete
It is inserted in the pin hole of correspondence, and the length that the piston rod of two adjacent lift cylinders stretches out meets inequalityTime, stop lift cylinder and the motion of lower latch, thus avoid when there be the lower latch of part cannot
When inserting or cannot be completely inserted in the pin hole of correspondence, the total contact area causing lower latch and pin hole is too small and damages
Lower latch and the situation of pin hole.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the front view of a kind of jacking equipment that the embodiment of the present invention provides;
Fig. 2 is the control method flow chart of a kind of hydraulic bolt formula jacking equipment that the embodiment of the present invention provides;
Fig. 3 is that the lower latch that the embodiment of the present invention provides moves schematic diagram;
Fig. 4 is four lower latch motion schematic diagrams in the same jacking equipment that the embodiment of the present invention provides;
Fig. 5 is the front view of a kind of jacking equipment that the embodiment of the present invention provides;
Fig. 6 is the upward view of a kind of jacking equipment that the embodiment of the present invention provides;
Fig. 7 be the embodiment of the present invention provide a kind of lower latch be completely withdrawn from view;
Fig. 8 is the fully-inserted view of a kind of lower latch that the embodiment of the present invention provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
In order to be better understood by the embodiment of the present invention, hydraulic bolt formula hoistable platform is carried out cutline, hydraulic pressure herein
Bolt-type hoistable platform mainly includes spud leg, the jacking equipment being set on spud leg and the platform being connected with multiple jacking equipments,
Lifting thus the lifting of band moving platform along spud leg by controlling jacking equipment, Fig. 1 is a kind of liter that the embodiment of the present invention provides
The front view of fall equipment, as it is shown in figure 1, jacking equipment includes wedge bracket 20, upper ring beam 30 and lower ring 40, wedge bracket 20 is with flat
Platform connects, and upper ring beam 30 is fixedly mounted on wedge bracket 20, is connected by lift cylinder 50 between upper ring beam 30 and lower ring 40,
It is provided with latch on upper ring beam 30, lower ring is provided with lower latch, control upper latch by plugging pin oil cylinder and lower latch is handed over
For in the pin hole 11 inserted on spud leg 10, control lift cylinder 50 simultaneously and stretch, so that jacking equipment lifts along spud leg.
On the one hand, embodiments providing the control method of a kind of hydraulic bolt formula jacking equipment, Fig. 2 is the present invention
The control method flow chart of a kind of hydraulic bolt formula jacking equipment that embodiment provides, as in figure 2 it is shown, the method is used for controlling liquid
The decline of a set of jacking equipment in pressure bolt-type hoistable platform, method includes:
S11: when all upper latches are inserted in the pin hole of correspondence, controls lower latch and takes out from corresponding pin hole
From;
S12: after all lower latches all detach from corresponding pin hole, control the piston rod of lift cylinder along spud leg to
Lower elongation;
S13: control lower latch and insert in corresponding pin hole;
S14: the length that the piston rod of monitoring lift cylinder stretches out;
Whether the lower latch of S15: monitoring is completely inserted in the pin hole of correspondence;
S16: when the lower latch not monitored between two adjacent lift cylinders is completely inserted into inserting of correspondence
When the length that the piston rod of two lift cylinders in pin-and-hole and adjacent stretches out meets with lower inequality:
Control all lift cylinders and all lower latch stop motions,
Wherein, L1The length stretched out for the piston rod of a lift cylinder in two adjacent lift cylinders, L2For adjacent
Two lift cylinders in the length stretched out of the piston rod of another lift cylinder, L is adjacent along the axis direction of spud leg
Distance between the centrage of two pin holes, H is the diameter of pin hole.
The technical scheme that the embodiment of the present invention provides is by monitoring the work of lift cylinder in hydraulic bolt formula jacking equipment
Whether length and lower latch that stopper rod stretches out are inserted in the pin hole of correspondence, in the lifting controlling hydraulic bolt formula hoistable platform
When equipment declines, when the lower latch not monitored between two adjacent lift cylinders is completely inserted into the latch of correspondence
Kong Zhong, and the length that the piston rod of two adjacent lift cylinders stretches out meets inequalityTime, stop
Only lift cylinder and the motion of lower latch, thus avoid when there being the lower latch of part cannot insert or cannot be completely inserted into correspondence
Pin hole in time, the total contact area causing lower latch and pin hole is too small and damages lower latch and the situation of pin hole.
It should be noted that S14 and S15 is being carried out during controlling jacking equipment decline all the time.
Fig. 3 is that the lower latch that the embodiment of the present invention provides moves schematic diagram, as it is shown on figure 3, in the work measuring lift cylinder
During the length that stopper rod stretches out, above latch 32 is adjacent on the downside of the inwall of corresponding pin hole 11, and the axis of lower latch 42 is with right
During the dead in line of the pin hole 11 answered, the reference point of the linear measure longimetry that the length of lift cylinder is stretched out as piston rod, now lives
Stopper rod stretch out a length of 0, instantly latch 42 move down into lower section pin hole 11 in time, length D that now piston rod stretches out is L
+1/2H。
Specifically, the lower plugging pin oil cylinder being arranged on lower ring by control makes lower latch take out from corresponding pin hole
From, lower plugging pin oil cylinder is arranged with lower latch one_to_one corresponding.
When realizing, S13 may include that
Before lift cylinder is elongated to make lower latch alignment pins hole, controls lower latch and stretch out, until lower latch is complete
It is inserted in the pin hole of correspondence.
Specifically, when the piston rod elongation controlling lift cylinder, lower latch can be controlled and stretch out, in the work of lift cylinder
During stopper rod elongation, lower latch reaches the outer wall being adjacent to spud leg, and corresponding lower plugging pin oil cylinder continues to press on lower latch and stretches
Going out, lower latch againsts spud leg outer wall slide downward, and latch slides into pin hole on time instantly, and lower latch is in lower plugging pin oil cylinder
Promotion under be automatically inserted into correspondence pin hole in, make lower latch can be properly inserted in pin hole.
Fig. 4 is four lower latch motion schematic diagrams in the same jacking equipment that the embodiment of the present invention provides, such as Fig. 4 institute
Showing, four upper latches 32 are all inserted in the pin hole 11 of correspondence, and are pressed on the downside of pin hole 11 inwall, four lower latches 42
Against the lateral wall slide downward of spud leg 10 respectively, owing to jacking equipment occurs, cause four lower latches 42 to be not on
On same level height, the pin hole 11 of first lower the most fully-inserted correspondence of latch 42 from left to right in Fig. 4, and along with carrying
The elongation of the piston rod of oil-lifting jar and reach the centerline of pin hole 11, under the other three, latch 42 is the most also against spud leg
The lateral wall slide downward of 10.
It should be noted that owing to lower latch 42 can rub when sliding in the lateral wall that against spud leg 10, cause down
Latch 42 and the abrasion of spud leg 10 lateral wall, in order to reduce the abrasion between lower latch 42 and the lateral wall of spud leg 10, Ke Yi
After lower latch 42 is moved downwardly a segment distance, such as during 0.7L~0.8L, the more lower latch 42 of control stretches out, and wherein L is along stake
Distance between the centrage of two pin holes 11 that the axis direction of lower limb 10 is adjacent, it is achieved time, all lift cylinders can be worked as
In, when the extension elongation of the piston rod of the lift cylinder that length that piston rod stretches out is the longest reaches 0.7L~0.8L, control all
Lower latch 42 starts to stretch out.
Additionally, under control latch 42 insert correspondence pin hole 11 in time, if all of lower latch 42 inserts the most smoothly
Arrive in pin hole 11, then can also include after S13:
After all of lower latch is all completely inserted in the pin hole of correspondence, the piston rod controlling lift cylinder continues edge
Spud leg stretch downward, makes lower latch be pressed on the inwall of corresponding pin hole.
By lower latch 42 being pressed on the inwall of the pin hole 11 of correspondence, so that the load born by upper latch 32
Lotus is gradually transferred on lower latch 42, and conveniently in the subsequent process of fall platform, in control, latch 32 detaches from pin hole, keeps away
Exempt from hoistable platform and vibrations occur.
Further, after latch 42 is pressed on the inwall of corresponding pin hole 11 instantly, in control, latch 32 is from correspondence
Pin hole 11 in detach, the piston rod controlling lift cylinder shortens, during in controls, latch 32 is inserted into corresponding pin hole 11,
So that jacking equipment declines smoothly, upper latch 32 be reinserted into correspondence pin hole 11 in after, repeat S11~
S16, it is achieved the continuous decline of jacking equipment.
Additionally, after S16, this method can also include:
After controlling lift cylinder and lower latch stop motion, send alarm.
It is not fully inserted pin hole 11 by latch 42 under alarm and reminding operator, to fix a breakdown as early as possible, specifically,
This alarm can be, but not limited to be warning lamp, buzzer.
On the other hand, the embodiment of the present invention additionally provides the control system of a kind of jacking equipment, and this control system is used for controlling
The decline of a set of jacking equipment in hydraulic bolt formula hoistable platform processed, this control system includes: displacement detection module, position inspection
Surveying module and control module, displacement detection module is for monitoring the length that the piston rod of lift cylinder stretches out, position detecting module
For monitor lower latch whether be completely inserted into correspondence pin hole in, control module for when all upper latches be inserted into right
Time in the pin hole answered, control lower latch and detach from corresponding pin hole;
After all lower latches all detach from corresponding pin hole, the piston rod controlling lift cylinder is stretched downwards along spud leg
Long;
Control lower latch to insert in corresponding pin hole;
When the lower latch not monitored between two adjacent lift cylinders is completely inserted into the pin hole of correspondence
In, and when the length stretched out of the piston rod of two adjacent lift cylinders meets with lower inequality:
Control all lift cylinders and all lower latch stop motions,
Wherein, L1The length stretched out for the piston rod of a lift cylinder in two adjacent lift cylinders, L2For adjacent
Two lift cylinders in the length stretched out of the piston rod of another lift cylinder, L is adjacent along the axis direction of spud leg
Distance between the centrage of two pin holes, H is the diameter of pin hole.
The technical scheme that the embodiment of the present invention provides is by monitoring the work of lift cylinder in hydraulic bolt formula jacking equipment
Whether length and lower latch that stopper rod stretches out are inserted in the pin hole of correspondence, in the lifting controlling hydraulic bolt formula hoistable platform
When equipment declines, when the lower latch not monitored between two adjacent lift cylinders is completely inserted into the latch of correspondence
Kong Zhong, and the length that the piston rod of two adjacent lift cylinders stretches out meets inequalityTime, stop
Only lift cylinder and the motion of lower latch, thus avoid when there being the lower latch of part cannot insert or cannot be completely inserted into correspondence
Pin hole in time, the total contact area causing lower latch and pin hole is too small and damages lower latch and the situation of pin hole.
Preferably, control system also includes alarm modules, and alarm modules is stopped at control module control lift cylinder and latch
Only after motion, sending alarm under the control of control module, control module is controlling the same of lift cylinder and latch stop motion
Time send signal to alarm modules, alarm modules sends alarm according to the signal received, and this alarm modules can be, but not limited to
It is warning lamp, buzzer.
Additionally, control module is additionally operable to before lift cylinder is elongated to make lower latch alignment pins hole, control lower latch
Stretch out, until lower latch is completely inserted in the pin hole of correspondence, when the piston rod elongation controlling lift cylinder, can control
Lower latch stretches out, and during the piston rod of lift cylinder extends, lower latch reaches the outer wall being adjacent to spud leg, under correspondence
Plugging pin oil cylinder continues to press on lower latch and stretches out, and lower latch againsts spud leg outer wall slide downward, and latch slides into and pin hole instantly
To on time, lower latch is automatically inserted in the pin hole of correspondence under the promotion of lower plugging pin oil cylinder, makes lower latch accurately to insert
Enter in pin hole.
Preferably, described control module is additionally operable to when all of described lower latch is all completely inserted into the described latch of correspondence
Kong Zhonghou, the piston rod controlling described lift cylinder continues along described spud leg stretch downward, makes described lower latch be pressed on correspondence
Described pin hole inwall on, by lower latch 42 being pressed on the inwall of the pin hole 11 of correspondence, so that by upper
The load that latch 32 bears gradually is transferred on lower latch 42, convenient control in the subsequent process of fall platform on latch 32 from inserting
Pin-and-hole detaches, it is to avoid vibrations occurs in hoistable platform.
Fig. 5 is the front view of a kind of jacking equipment that the embodiment of the present invention provides, and Fig. 6 is that the embodiment of the present invention provides
Planting the upward view of jacking equipment, in conjunction with Fig. 5 and Fig. 6, this jacking equipment is arranged on spud leg 10, and spud leg 10 is provided with multiple inserting
Pin-and-hole 11, jacking equipment includes wedge bracket 20, upper ring beam 30 and the lower ring 40 being set on spud leg 10, upper ring beam 30 and lower ring
Connect between beam 40 and have multiple lift cylinder 50, upper ring beam 30 is provided with multiple upper latch and the upper latch of control is inserted into correspondence
Pin hole 11 in upper plugging pin oil cylinder 31, upper latch and lift cylinder 50 are arranged around spud leg 10 alternate intervals, on lower ring 40
Under being provided with multiple lower latch 42 and controlling, latch 42 is inserted into the lower plugging pin oil cylinder 41 in the pin hole 11 of correspondence, lower latch 42
Arrange around spud leg 10 alternate intervals with lift cylinder 50.
Alternatively, displacement detection module can be displacement transducer 51, displacement transducer 51 and lift cylinder 50 1 a pair
Should arrange, displacement transducer 51 is arranged on the lift cylinder 50 of correspondence, and position detecting module can be limit switch 52, spacing
Switch 52 is arranged on the side of the lower latch 42 of correspondence, measures different lift cylinders 50 respectively by multiple displacement transducers 51
The length stretched out of piston rod.
Fig. 7 be the embodiment of the present invention provide a kind of lower latch be completely withdrawn from view, Fig. 8 is that the present invention implements
The fully-inserted view of a kind of lower latch that example provides, is provided with mechanical contact 52c on lower latch 42, and inserts lower
The side of pin 42 be respectively arranged with detach limit switch 52a and insert limit switch 52b, when mechanical contact 52c with detach spacing
During switch 52a alignment, lower latch 42 is in the state of being completely withdrawn from, when mechanical contact 52c aligns with insertion limit switch 52b,
Lower latch is in the fully inserted state.
Additionally, as shown in Figure 6, lift cylinder 50 is around the equiangularly spaced setting of axis of spud leg 10, so that promote oil
The active force of upper ring beam 30 and lower ring 40 is more balanced by cylinder 50, reduces the degree that jacking equipment tilts during lifting,
Make hoistable platform more steady.
Preferably, lower latch 42 is arranged on lower ring 40 around the axis of spud leg 10 is equiangularly spaced, so that lower ring
When beam 40 is supported on spud leg 10 by lower latch 42, stress more balances, and reduces the inclination of lower ring 40, can also keep away simultaneously
Exempt from spud leg 10 owing to lateral bending being occurred by force unbalance.
It is envisioned that upper latch is arranged on upper ring beam 30 around the axis of spud leg 10 is equiangularly spaced, so that
The stress of upper ring beam 30 more balances.
It should be noted that although the jacking equipment shown in Fig. 5 includes 4 lift cylinders 50 and 4 lower latches 42,
In other embodiments, lift cylinder 50 and lower latch 42 it can also be provided that other quantity, such as, are respectively arranged with 8, and the present invention is real
Execute example to be not limited thereto.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a control method for hydraulic bolt formula jacking equipment, described method is for controlling in hydraulic bolt formula hoistable platform
The decline of a set of jacking equipment, it is characterised in that described method includes:
When all upper latches are inserted in the pin hole of correspondence, control lower latch and detach from corresponding described pin hole;
After all described lower latches all detach from corresponding described pin hole, control the piston rod of lift cylinder along spud leg to
Lower elongation;
Control described lower latch to insert in corresponding described pin hole;
Monitor the length that the piston rod of described lift cylinder stretches out;
Monitor in the described pin hole whether described lower latch is completely inserted into correspondence;
When the described lower latch not monitored between two adjacent described lift cylinders is completely inserted into the institute of correspondence
State in pin hole, and when the length stretched out of the piston rod of described two adjacent described lift cylinders meets with lower inequality:
Control all described lift cylinders and all described lower latch stop motions,
Wherein, L1The length stretched out for the piston rod of a described lift cylinder in described two adjacent described lift cylinders,
L2The length stretched out for the piston rod of another the described lift cylinder in described two adjacent described lift cylinders, L is edge
Distance between the centrage of two described pin holes that the axis direction of described spud leg is adjacent, H is the diameter of described pin hole.
Method the most according to claim 1, it is characterised in that the described lower latch of described control inserts corresponding described latch
Kong Zhong, including:
Before described lift cylinder is elongated to make described lower latch be directed at described pin hole, controls described lower latch and stretch out, directly
It is completely inserted in the described pin hole of correspondence to described lower latch.
Method the most according to claim 2, it is characterised in that described method also includes:
After all of described lower latch is all completely inserted in the described pin hole of correspondence, control the piston of described lift cylinder
Bar continues, along described spud leg stretch downward, to make described lower latch be pressed on the inwall of corresponding described pin hole.
Method the most according to claim 3, it is characterised in that described method also includes:
After on the inwall that described lower latch is pressed on corresponding described pin hole, control described upper latch and insert from the described of correspondence
Pin-and-hole detaches;
The piston rod controlling described lift cylinder shortens;
Control in the described pin hole that described upper latch is inserted into correspondence.
Method the most according to claim 1, it is characterised in that described method also includes:
After controlling described lift cylinder and described lower latch stop motion, send alarm.
6. a control system for jacking equipment, described control system is for controlling a set of liter in hydraulic bolt formula hoistable platform
The decline of fall equipment, it is characterised in that described control system includes:
Displacement detection module, for monitoring the length that the piston rod of lift cylinder stretches out;
Whether position detecting module, be completely inserted into for monitoring lower latch in the pin hole of correspondence;
Control module, during for being inserted in the described pin hole of correspondence when all upper latches, controls described lower latch from right
The described pin hole answered detaches;
After all described lower latches all detach from corresponding described pin hole, control the piston rod of described lift cylinder along stake
Lower limb stretch downward;
Control described lower latch to insert in corresponding described pin hole;
When the described lower latch not monitored between two adjacent described lift cylinders is completely inserted into the institute of correspondence
State in pin hole, and when the length stretched out of the piston rod of described two adjacent described lift cylinders meets with lower inequality:
Control all described lift cylinders and all described lower latch stop motions,
Wherein, L1The length stretched out for the piston rod of a described lift cylinder in described two adjacent described lift cylinders,
L2The length stretched out for the piston rod of another the described lift cylinder in described two adjacent described lift cylinders, L is edge
Distance between the centrage of two described pin holes that the axis direction of described spud leg is adjacent, H is the diameter of described pin hole.
Control system the most according to claim 6, it is characterised in that described control system also includes alarm modules, is used for
After described control module controls described lift cylinder and described lower latch stop motion, the control in described control module issues
Go out alarm.
Control system the most according to claim 6, it is characterised in that described control module is additionally operable at described lift cylinder
Before being elongated to make described lower latch be directed at described pin hole, control described lower latch and stretch out, until described lower latch is the most slotting
Enter in corresponding described pin hole.
Control system the most according to claim 6, it is characterised in that institute's displacement detection module is displacement transducer, institute
Displacement sensors is arranged with described lift cylinder one_to_one corresponding, and institute's displacement sensors is arranged on the described lift cylinder of correspondence
On, described position detecting module is limit switch, and described limit switch is arranged on the side of the described lower latch of correspondence.
Control system the most according to claim 6, it is characterised in that described control module is additionally operable to when all of described
After lower latch is all completely inserted in the described pin hole of correspondence, the piston rod controlling described lift cylinder continues along described spud leg
Stretch downward, makes described lower latch be pressed on the inwall of corresponding described pin hole.
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CN201610364662.6A CN106049394B (en) | 2016-05-27 | 2016-05-27 | A kind of control method and control system of hydraulic bolt formula jacking equipment |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107476272A (en) * | 2017-07-14 | 2017-12-15 | 武汉船用机械有限责任公司 | A kind of hydraulic bolt formula jacking system and its control method |
CN107842008A (en) * | 2017-11-24 | 2018-03-27 | 江苏韩通船舶重工有限公司 | A kind of jack-up unit hydraulic bolt lowering or hoisting gear |
CN108086280A (en) * | 2017-10-23 | 2018-05-29 | 武汉船用机械有限责任公司 | A kind of control method of Continuous socket and plug jacking system and bolt hoistable platform |
CN109969838A (en) * | 2019-04-30 | 2019-07-05 | 无锡先导智能装备股份有限公司 | A kind of trolley, loading and unloading system and loading and unloading control method up and down |
CN110319872A (en) * | 2019-05-14 | 2019-10-11 | 武汉船用机械有限责任公司 | Bolt condition checkout gear |
CN110485393A (en) * | 2019-06-27 | 2019-11-22 | 武汉船用机械有限责任公司 | Hydraulic bolt lifting device |
CN113062370A (en) * | 2021-03-12 | 2021-07-02 | 中国长江三峡集团有限公司 | Device and method for detecting positions of bolt and pile leg hole |
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CN107476272A (en) * | 2017-07-14 | 2017-12-15 | 武汉船用机械有限责任公司 | A kind of hydraulic bolt formula jacking system and its control method |
CN107476272B (en) * | 2017-07-14 | 2019-07-09 | 武汉船用机械有限责任公司 | A kind of hydraulic bolt formula jacking system and its control method |
CN108086280A (en) * | 2017-10-23 | 2018-05-29 | 武汉船用机械有限责任公司 | A kind of control method of Continuous socket and plug jacking system and bolt hoistable platform |
CN107842008A (en) * | 2017-11-24 | 2018-03-27 | 江苏韩通船舶重工有限公司 | A kind of jack-up unit hydraulic bolt lowering or hoisting gear |
CN107842008B (en) * | 2017-11-24 | 2019-08-13 | 江苏韩通船舶重工有限公司 | A kind of jack-up unit hydraulic bolt lifting device |
CN109969838A (en) * | 2019-04-30 | 2019-07-05 | 无锡先导智能装备股份有限公司 | A kind of trolley, loading and unloading system and loading and unloading control method up and down |
CN110319872A (en) * | 2019-05-14 | 2019-10-11 | 武汉船用机械有限责任公司 | Bolt condition checkout gear |
CN110319872B (en) * | 2019-05-14 | 2021-11-16 | 武汉船用机械有限责任公司 | Bolt state detection device |
CN110485393A (en) * | 2019-06-27 | 2019-11-22 | 武汉船用机械有限责任公司 | Hydraulic bolt lifting device |
CN110485393B (en) * | 2019-06-27 | 2021-05-07 | 武汉船用机械有限责任公司 | Hydraulic bolt lifting device |
CN113062370A (en) * | 2021-03-12 | 2021-07-02 | 中国长江三峡集团有限公司 | Device and method for detecting positions of bolt and pile leg hole |
CN113062370B (en) * | 2021-03-12 | 2022-05-13 | 中国长江三峡集团有限公司 | Device and method for detecting positions of bolt and pile leg hole |
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