CN108584736A - A kind of ocean loop wheel machine slewing equipment locking mechanism and locking means - Google Patents
A kind of ocean loop wheel machine slewing equipment locking mechanism and locking means Download PDFInfo
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- CN108584736A CN108584736A CN201810448829.6A CN201810448829A CN108584736A CN 108584736 A CN108584736 A CN 108584736A CN 201810448829 A CN201810448829 A CN 201810448829A CN 108584736 A CN108584736 A CN 108584736A
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- locking pin
- locking
- revolving platform
- pin
- knob
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
- B66C23/94—Safety gear for limiting slewing movements
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Abstract
The present invention relates to ocean engineering crane field, especially a kind of ocean loop wheel machine slewing equipment locking mechanism and locking means.Locking mechanism includes locking device and control device, is connected between the two by brake cable；Locking device includes firm banking, locking pin and guide pin, firm banking side wall is relatively provided with slot hole, locking pin side wall is relatively provided with circular hole, and guide pin passes through the circular hole of the slot hole and locking pin of firm banking, locking pin is movably installed on inside firm banking；Control device includes the servo motor being arranged on revolving platform, and brake cable both ends are separately connected servo motor and lug plate holes, and servo motor can drive locking pin to move up and down, revolving platform is locked by brake cable.Control device further includes the knob being arranged in driver's cabin; locking can be provided in abnormal electrical power; ocean loop wheel machine in a non-operative state reliable and stable is effectively ensured, it is ensured that the safety of mechanical equipment and staff enable the simple and convenient operation locking of staff.
Description
Technical field
The present invention relates to ocean engineering crane field, especially a kind of ocean loop wheel machine slewing equipment locking mechanism and locking
Method.
Background technology
Ocean loop wheel machine is mainly the crane that is used on ocean platform, is a kind of ocean platform handling goods and handling people
Member is one of most important production and safety equipment in offshore oil production to the equipment above platform, to security reliability,
Maintenanceability, can wind resistance and corrosion resistance etc. require it is very high.
Ocean loop wheel machine is normally mounted at the pedestal crane on ocean platform or working ship, and setting includes pedestal, can
The mechanisms such as turntable structure, truss-type cantilever crane, driver's cabin, power house and the rope luffing of revolution and promotion.Ocean loop wheel machine is fixed
In in ship platform, the movement of platform itself can generate load movement strong influence.Ocean loop wheel machine can be with wave pitching, cross
It shakes and heaves, terminate in crane operation, when arm support is in position of rest, in order to avoid strong wind, wave or maloperation, cause to hang
Machine revolution shakes and topples, it is desirable that crane is provided with revolution detent mechanism in a non-operative state, this is largely
Ensure the safety after crane is shut down.
At this stage, the lock mode of crane rotation locking mechanism is to be inserted into the locking pin being arranged on turntable and hang
Realize that Tooth-locking and Driven by Hydraulic Cylinder keyhole type are moved in locking, generally use manpower in the locking hole of machine bull gear.Manpower is moved
Tooth-locking is generally located on the position closer from driver's cabin, but this position is between driver's cabin and truss, big by space restriction,
Driver will operate locking in the relatively space of limitation, more inconvenient；And the weight of lock pin is in 25kg or so, a people behaviour
It is painstaking to make comparisons；Although Driven by Hydraulic Cylinder keyhole type compares automation, but hydraulic device is automatically controlled, is only capable of in normal power supply feelings
It plays a role under condition, effectiveness is lost if having a power failure；And bull gear lockhole position is fixed, driver is it is difficult to ensure that turntable stops
When lock pin be just directed at lockhole, flexibility is poor, more demanding to the technology of operating personnel, if misalignment, lock pin will be right
Fixed lockhole causes to impact, and be easy to cause surface fatigue failure and bull gear face is impaired.
Such as application No. is 201420599853.7 utility model patents, disclose a kind of ocean loop wheel machine revolution locking dress
It sets, is set between turntable and pedestal, including the locking pin seat being welded in the mounting hole of turntable, sliding sleeve is equipped in locking pin seat
Locking pin is axially welded with rack on locking pin circumference, and rack and pinion is connected by meshing transmission, and gear is fixedly connected with rotation
Handle, gear are mounted on by axis in ear mount, and ear mount is fixed on turntable lower surface.Although the locking device of the patent utilizes gear
Rack-driving, the up and down motion that convert rotational motion is locking pin, locking is more laborsaving, but still needs to staff and come locking
Locking is operated beside device, and the locking device can not judge that the lockhole whether locking pin is aligned on pedestal, locking pin are frequent
Lockhole is hit, lockout failure and locking device may be caused impaired.
Invention content
For the above deficiency, the present invention provides a kind of ocean loop wheel machine slewing equipment locking mechanism and locking means, the locks
Determining mechanism has two sets of lock controllers, can provide locking, and energy in normal power supply and abnormal electrical power respectively
Turntable stop position is incuded and is monitored, ocean loop wheel machine in a non-operative state reliable and stable is effectively ensured, it is ensured that mechanical equipment
And the safety of staff, so that staff is simply and easily operated locking.
The technical scheme is that：
A kind of ocean loop wheel machine slewing equipment locking mechanism, the ocean loop wheel machine slewing equipment include being arranged at ocean loop wheel machine bottom
The kingpost of seat, revolving platform and bull gear are arranged on the kingpost, and the locking mechanism includes that locking device and control fill
It sets, is connected between the two by brake cable；The locking device is arranged on revolving platform lower face, including firm banking, locking
Pin and guide pin, the firm banking are cylindrical shape, are fixed on the lower face edge of revolving platform and perpendicular to bull gear face, Gu
Determine base side wall and be relatively provided with slot hole, the locking pin is located in the cylinder of firm banking, locking pin lower shape and canine tooth
The clearance between gear teeth shape of circle is adapted, and locking pin side wall is relatively provided with circular hole, and guide pin passes through the slot hole and lock of firm banking
Locking pin is movably installed on inside firm banking by the circular hole of rationed marketing；There is lug plate holes, the control at the top of the locking pin
Device processed includes the servo motor being arranged on revolving platform square on the locking apparatus, and the brake cable both ends are separately connected servo electricity
Machine and lug plate holes, servo motor can drive locking pin to move up and down by brake cable, and when locking pin moves downward, lower end is stretched
The clearance between gear teeth for going out firm banking, being inserted into bull gear, revolving platform is locked.
The control device further includes being arranged driving indoor knob, and the knob can surround fixed pin and rotate, knob
One end is handle, and the other end has knob hole and locking hole；Knob lock pin, the knob locking are additionally provided in the driver's cabin
Pin is internal to have spring, and external is arc shell, and when the telescopic spring, arc shell also stretches therewith；The locking hole
It fastens with the arc shell of knob locking pin, knob is locked；Another brake cable both ends are separately connected lug plate holes and knob
Hole；When pulling handle knob being made to unlock, locking pin since its own gravity moves downward, stretch out firm banking, be inserted by lower end
The clearance between gear teeth of bull gear, revolving platform is locked.
Further include brake cable tensioning wheel, in the brake cable that the brake cable tensioning wheel is set to lug plate holes between hole of shaking hands,
For adjusting the elastic of brake cable.
When energized, the Serve Motor Control locking pin locks revolving platform, the brake between the lug plate holes and knob hole
Fare is in relaxed state；When power is off, the brake cable between lug plate holes and knob hole is in tensioning state, the knob control locking
Lock determines revolving platform.
Further include revolving platform position sensor, the revolving platform position sensor is arranged on locking pin lower face and hangs down
It is directly installed in bull gear face, for judging whether the locking pin is directed at the clearance between gear teeth of bull gear when revolving platform stops.
Further include locking pin position sensor, L-shaped fixed frame, the locking pin position sense are provided on the firm banking
It answers device setting in L-shaped fixed frame bottom end, towards locking pin and the installation of bull gear face is parallel to, for judging when locking pin is downward
When stretching, whether lower end is stretched out in place.
Further include lockout controller, the lockout controller and revolving platform position sensor, revolving platform device of rotation driving
It is connected, according to the induction of revolving platform position sensor as a result, the rotation of control revolving platform, makes locking pin precisely align bull gear
Clearance between gear teeth.
Further include lockout controller, the lockout controller and revolving platform position sensor, return at locking pin position sensor
Turntable device of rotation driving, servo motor are connected, according to the induction of revolving platform position sensor as a result, control revolving platform turns
It is dynamic, so that locking pin is precisely aligned the clearance between gear teeth of bull gear；The lockout controller is according to the induction of locking pin position sensor
As a result, by the up and down motion of Serve Motor Control locking pin, the lower end of locking pin is made to stretch out in place.
Brake cable between the servo motor and lug plate holes is made of metal, the brake between the knob hole and lug plate holes
Line is steel wire rope.
A kind of locking means of ocean loop wheel machine slewing equipment locking mechanism, include the following steps：
Step 1：Ocean loop wheel machine work terminates, and revolving platform stops operating；
Step 2：Whether driver is normal according to power supply situation, if so, sending out revolving platform lock instruction to lockout controller；
If it is not, entering step 9；
Step 3：Whether revolving platform position sensor detection locking pin is directed at the clearance between gear teeth of bull gear, and testing result is sent out
It is sent to lockout controller, if so, 4 are entered step, if it is not, entering step 8；
Step 4：Lockout controller sends to servo motor and instructs, and servo motor drives locking pin to transport downwards by brake cable
It is dynamic；
Step 5：Whether locking pin position sensor detection locking pin lower end is stretched out in place, and testing result is sent to lock
Controller is determined, if so, 6 are entered step, if it is not, entering step 7；
Step 6：Locking terminates；
Step 7：Lockout controller sends to servo motor and instructs, and servo motor continues that locking pin is driven to move downward, and returns
To step 5；
Step 8：Lockout controller sends to revolving platform device of rotation driving and instructs, and driving device continues to drive revolving platform rotation
Turn, returns to step 3；
Step 9：Whether driver's artificial judgment locking pin is directed at the clearance between gear teeth of bull gear, if so, 10 are entered step, if
It is no, enter step 14；
Step 10：Driver manually controls brake cable tensioning wheel, and the brake cable for making lug plate holes between hole of shaking hands is in tensioning
State；
Step 11：Driver pulls the handle of knob, knob unlock, locking pin to move downward, be inserted under own wt
The clearance between gear teeth of bull gear；
Step 12：Whether driver's artificial judgment locking pin lower end is stretched out in place, if so, 6 are entered step, if it is not, into
Enter step 13；
Step 13：Driver manually adjusts locking pin drop-off positions, until locking pin lower end is stretched out in place, enters step
6；
Step 14：Driver manually rotates revolving platform by associated mechanical steering mechanism, until locking pin is directed at bull gear
Clearance between gear teeth, enter step 10.
Driver's operating cost during the present invention can not be locked, lock and be unlocked under power failure for ocean loop wheel machine
A series of problems, such as power, location difficulty, working environment are severe and bull gear surface is easily damaged, devises a kind of automation ocean
Loop wheel machine turns round locking mechanism.Technical scheme of the present invention has the following advantages：
1, using two sets of control devices, the revolving platform locking in the case of normal power supply and abnormal electrical power is provided respectively, two
Kind of lock mode can free switching, ocean loop wheel machine is effectively ensured can lock revolving platform under any circumstance, do not generate shaking and
It topples danger；
2, in the case of normal power supply, the locking pin for replacing men hoisting quality larger using servo motor, and equipped with automatically controlled
Operating system, makes driver can be operated locking in driver's cabin, and locking process is easily convenient；
Even if 3, in abnormal electrical power, driver still can be by the knob operation lock that is arranged in driver's cabin
It is fixed, without between round-trip driver's cabin and locking device；
4, it is equipped with revolving platform position sensor, can replace whether artificial accurate induction locking pin is directed at the wheel between cog of bull gear
Gap, it is ensured that locking pin drop-off positions are accurate, avoid causing bull gear surface abrasion and lockout failure, reduce the skill to operating personnel
Art requirement；
5, it is equipped with locking pin position sensor, can accurately incude whether locking pin falls completely, it is ensured that locking pin is locked completely
Unstability that is fixed, preventing part locking strip from coming；
6, it is equipped with lockout controller, locking process is realized automatically in energization, does not need artificial interference, embodies modernization
Automatic locking, makes the operation of driver become simple and efficient.
Description of the drawings
Fig. 1 is the overall structure figure of loop wheel machine slewing equipment locking mechanism in ocean of the present invention；
Fig. 2 is the structure chart of loop wheel machine slewing equipment locking mechanism in ocean of the present invention；
Fig. 3 is the enlarged drawing of A frames in Fig. 2 of the present invention, and locking pin runs to firm banking bottom；
Fig. 4 is the side view of locking pin of the present invention and firm banking discrete state；
Fig. 5 is the stereogram of locking pin of the present invention and firm banking bonding state, and locking pin runs to firm banking most
Top；
Fig. 6 is the location drawing of the present invention knob in lock-out state (vertical) and non-locking state (level)；
Fig. 7 is the installation diagram of revolving platform position sensor and locking pin position sensor of the present invention；
Fig. 8 is the clearance between gear teeth state diagram that locking pin locks bull gear；
Fig. 9 is the lock step flow chart of ocean loop wheel machine slewing equipment locking mechanism.
Specific implementation mode
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
With reference to figure 1, ocean loop wheel machine slewing equipment includes the kingpost 10 being arranged in ocean loop wheel machine pedestal, is covered on kingpost 10
Equipped with revolving platform 11 and bull gear 12, revolving platform 11 is located at the upper end of bull gear 12, and arm is fixed on revolving platform 11.The present invention
Ocean loop wheel machine slewing equipment locking mechanism include：Locking device 20 and control device 30 pass through 40 phase of brake cable between the two
Even；Locking device 20 is welded on 11 lower face edge of revolving platform and perpendicular to 12 face of bull gear, and control device 30 includes that setting exists
Servo motor 31 on the revolving platform 11 of 20 top of locking device, 40 both ends of brake cable are separately connected servo motor 31 and locking fills
Set 20.
With reference to figure 3- Fig. 5, locking device 20 includes firm banking 21, locking pin 22 and guide pin 23, and firm banking 21 is
Cylindrical shape, 21 side wall of firm banking are relatively provided with slot hole 211, and locking pin 22 is located in the cylinder of firm banking 21, locking pin
22 lower shapes are adapted with the clearance between gear teeth shape of bull gear 12, and 22 side wall of locking pin is relatively provided with circular hole 221, guide pin
23 pass through the circular hole 221 of the slot hole 211 and locking pin 22 of firm banking 21, and locking pin 22 is movably installed on firm banking
Inside 21；There are lug plate holes 222,40 both ends of brake cable to be separately connected the lug plate holes 222 of locking pin 22 and watch at locking pin 22 top
The output shaft of motor 31 is taken, brake cable 40 is hard metal system.
Such as Fig. 3 and Fig. 8, when needing locking, servo motor 31 drives locking pin 22 to move downward by brake cable 40, locks
The clearance between gear teeth that 22 lower end of rationed marketing stretches out firm banking 21, is inserted into bull gear 12, revolving platform 11 is locked；Such as Fig. 5, when needing to solve
When lock, servo motor 31 drives locking pin 22 to move upwards by brake cable 40, the gear teeth of 22 lower end of locking pin from bull gear 12
Gap is extracted, and inside retraction firm banking 21, revolving platform 11 restores normal rotation.
In order to ensure that revolving platform 11 remains to lock in abnormal electrical power, control device 30 further includes that setting is driving
Knob 32 in room 13.With reference to figure 6, knob 32 can surround fixed pin 321 and rotate, and 32 one end of knob are handle 322, the other end
With knob hole 323 and locking hole 324；Knob lock pin 324 is additionally provided in driver's cabin 13,324 inside of knob lock pin has
Spring 3241, outside are arc shell 3242, and when spring 3241 stretches, arc shell 3242 also stretches therewith；Locking hole 324
It fastens with the arc shell 3242 of knob locking pin 324, knob 32 is locked in basically perpendicular to horizontal plane state；Another
40 both ends of brake cable are separately connected lug plate holes 222 and knob hole 323, and brake cable 40 is steel wire rope.
When need locking when, pull upwards knob 32 handle 322, shake hands 32 the other end squeeze lock pin 324, locking
The arc shell 3242 of pin 324 is retracted with spring 3241, and locking hole 324 is detached from arc shell 3242, and knob 32 releases lock
It is fixed, it turns to and is horizontal along fixed pin 324, the dead weight 25KG of locking pin 22 is moved downward, lower end is stretched out under its own gravity
Firm banking 21 is inserted into the gear teeth of bull gear 12, and revolving platform 11 is locked.When needing to release the locking of revolving platform 11, upwards
Pull knob 32 handle 322, shake hands 32 the other end by brake cable 40 drive locking pin 22 move upwards, under locking pin 22
It holds inside retraction firm banking 21, while 32 the other end of shaking hands squeeze lock pin 324, the arc shell 3242 of lock pin 324
As the retraction of spring 3241 is popped up again, locking hole 324 engages with arc shell 3242, knob 32 is locked in plumbness, together
When revolving platform 11 unlock, restore normal rotation.
With reference to figure 1 and Fig. 2, in order to realize the free switching of two kinds of solution lock control devices 30, locking mechanism of the invention is also
Including brake cable tensioning wheel 41, in the brake cable 40 for being set to lug plate holes 222 between hole 323 of shaking hands, fixed Yu Haiyang loop wheel machine
Arm-rest frame on.For adjusting the elastic of brake cable 40.Tensioning wheel 41 generates one by brake cable 40 using spring or oil pressure etc.
The power tightened so that brake cable 40 can be with suitable press-in connection between locking pin 22 and knob 32.When energized, servo electricity
Machine 31 controls locking pin 22 and locks revolving platform 11, and the brake cable 40 between lug plate holes 222 and knob hole 323 is in relaxed state；When
When power-off, the brake cable 40 between lug plate holes 222 and knob hole 323 is in tensioning state, and 32 control locking pin 22 of knob locks back
Turntable 11.
With reference to figure 7, in order to realize the monitoring in place of revolving platform 11 monitored in place with locking pin 22, locking machine of the invention
Structure further includes revolving platform position sensor 51 and locking pin position sensor 52, the two inductors can be close to switch.It returns
Revolving table position inductor 51 and locking pin position sensor 52 are rotated together with revolving platform 11, are stopped for monitoring revolving platform 11 in real time
Stop bit is set and 22 drop-off positions of locking pin.
Revolving platform position sensor 51 is arranged on 22 lower face of locking pin and is installed perpendicular to 12 face of bull gear, is used for
Judge when the stopping of revolving platform 11, before locking pin 22 is fallen, whether locking pin 22 is directed at the clearance between gear teeth of bull gear 12.When return
When turntable 11 stops operating, 12 face of bull gear is sitting in the induction range of locking pin 22, if 22 misalignment canine tooth of locking pin
12 clearance between gear teeth is enclosed, then revolving platform position sensor 51 can obtain inductive signal；If revolving platform position sensor 51 is not
Inductive signal is obtained, then illustrates the clearance between gear teeth of the aligned bull gear 12 of locking pin 22, can run down safely.
Locking pin position sensor 52 is connected with firm banking 21, and L-shaped fixed frame 521 is provided on firm banking 21, lock
The setting of rationed marketing position sensor 52 towards locking pin 22 and is parallel to the installation of 12 face of bull gear, uses in 521 bottom end of L-shaped fixed frame
In judging whether lower end is stretched out in place when locking pin 22 extends downwardly.When 22 lower end of locking pin is stretched out in place, position
In in the induction range of locking pin position sensor 52, pin rationed marketing position sensor 52 obtains inductive signal；If selling rationed marketing position
It sets inductor 52 and does not obtain inductive signal, then 22 lower end of locking pin does not extend out in place, needs to continue to run down.
In order to realize that automatic locking, locking mechanism of the invention further include lockout controller, lockout controller controls for MCU
Device, lockout controller and revolving platform position sensor 51,11 device of rotation driving of revolving platform, are watched locking pin position sensor 52
Motor 31 is taken to be connected, revolving platform position sensor 51, locking pin position sensor 52 are sent to lockout controller by result is incuded,
Lockout controller is according to the induction of revolving platform position sensor 51 as a result, rotation command is sent to the rotation driving dress of revolving platform 11
It sets, makes 11 Small-angle Rotation of revolving platform, locking pin 22 is made to precisely align the clearance between gear teeth of bull gear 12；Lockout controller is according to lock
The induction of rationed marketing position sensor 52 moves downward as a result, controlling locking pin 22 by servo motor 22, makes under locking pin 22
End is stretched out in place.
With reference to figure 1, warning device 53 is equipped in driver's cabin 13 simultaneously, warning device 53 is connected to lockout controller, if returned
Induction that revolving table position inductor 51 and locking pin position sensor 52 transmit is the result is that misalignment or not in place, warning device 53
That is triggering alarm, reminds driver to reposition.It should be noted that revolving platform position sensor 51 and locking pin location sensitive
Device 52 only just enters induction detecting state when driver sends out lock instruction to lockout controller, when driver does not send out locking
When instruction, revolving platform position sensor 51 and locking pin position sensor 52 do not play induction detection function.
With reference to figure 9, the locking means of ocean loop wheel machine slewing equipment locking mechanism of the invention include the following steps：
Step 1：Ocean loop wheel machine work terminates, and revolving platform 11 stops operating；
Step 2：Whether driver is normal according to power supply situation, refers to if so, sending out the locking of revolving platform 11 to lockout controller
It enables；If it is not, entering step 9；
Step 3：Revolving platform position sensor 51 detects the clearance between gear teeth whether locking pin 22 is directed at bull gear 12, will detect
As a result it is sent to lockout controller, if so, 4 are entered step, if it is not, entering step 8；
Step 4：Lockout controller sends to servo motor 31 and instructs, and servo motor 31 drives locking pin by brake cable 40
22 move downward；
Step 5：Locking pin position sensor 52 detects whether 22 lower end of locking pin is stretched out in place, and testing result is sent
To lockout controller, if so, 6 are entered step, if it is not, entering step 7；
Step 6：Locking terminates；
Step 7：Lockout controller sends to servo motor 31 and instructs, and servo motor 31 continues that locking pin 22 is driven to transport downwards
It is dynamic, return to step 5；
Step 8：Lockout controller sends to 11 device of rotation driving of revolving platform and instructs, and driving device continues to drive revolving platform
11 rotations, return to step 3；
Step 9：Whether driver's artificial judgment locking pin 22 is directed at the clearance between gear teeth of bull gear 12, if so, entering step
10, if it is not, entering step 14；
Step 10：Driver adjusts brake cable tensioning wheel 41, the brake cable 40 for making lug plate holes 222 between hole 323 of shaking hands
In tensioning state；
Step 11：Driver pulls the handle 322 of knob 32, knob 32 to unlock, and locking pin 22 is downward under own wt
Movement；
Step 12：Whether 22 lower end of driver's artificial judgment locking pin is stretched out in place, if so, 6 are entered step, if it is not,
Enter step 13；
Step 13：Driver manually adjusts 22 drop-off positions of locking pin, until 22 lower end of locking pin is stretched out in place, enters
Step 6；
Step 14：Driver manually rotates revolving platform 11 by associated mechanical steering mechanism, until locking pin 22 is aligned greatly
The clearance between gear teeth of gear ring 12 crosses step 10.
Disclosed above is only the embodiment of the present invention, and still, the present invention is not limited to this, the technology of any this field
What personnel can think variation should all fall into protection scope of the present invention.
Claims (10)
1. a kind of ocean loop wheel machine slewing equipment locking mechanism, the ocean loop wheel machine slewing equipment includes being arranged in ocean loop wheel machine pedestal
Kingpost (10), be arranged with revolving platform (11) and bull gear (12) on the kingpost (10), which is characterized in that the locking
Mechanism includes locking device (20) and control device (30), is connected between the two by brake cable (40)；The locking device
(20) it is arranged on revolving platform (11) lower face, including firm banking (21), locking pin (22) and guide pin (23), the fixation
Pedestal (21) is cylindrical shape, is fixed on the lower face edge of revolving platform (11) and perpendicular to bull gear (12) face, firm banking
(21) side wall is relatively provided with slot hole (211), and the locking pin (22) is located in the cylinder of firm banking (21), locking pin (22)
Lower shape is adapted with the clearance between gear teeth shape of bull gear (12), and locking pin (22) side wall is relatively provided with circular hole (221), leads
The circular hole (221) of the slot hole (211) and locking pin (22) of firm banking (21) is passed through to pin (23), locking pin (22) is movable
It is internal that ground is installed on firm banking (21)；There is lug plate holes (222), control device (30) packet at the top of the locking pin (22)
The servo motor (31) on the revolving platform (11) being arranged above locking device (20) is included, brake cable (40) both ends connect respectively
Servo motor (31) and lug plate holes (222) are connect, servo motor (31) can drive locking pin (22) to transport up and down by brake cable (40)
Dynamic, when locking pin (22) moves downward, the clearance between gear teeth that lower end stretches out firm banking (21), is inserted into bull gear (12) will
Revolving platform (11) locks.
2. loop wheel machine slewing equipment locking mechanism in ocean according to claim 1, which is characterized in that the control device (30)
Further include the knob (32) being arranged in driver's cabin (13), the knob (32) can surround fixed pin (321) and rotate, shake hands (32)
One end is handle (322), and the other end has knob hole (323) and locking hole (324)；It is additionally provided with knob in the driver's cabin (13)
Lock pin (324), the knob lock pin (324) is internal to have spring (3241), and outside is arc shell (3242), when described
When spring (3241) stretches, arc shell (3242) also stretches therewith；The locking hole (324) and knob locking pin (324)
Arc shell (3242) fastens, and knob (32) are locked；Another brake cable (40) both ends be separately connected lug plate holes (222) and
It shakes hands hole (323)；When pull handle (322) make knob (32) unlock when, locking pin (22) since its own gravity moves downward,
The clearance between gear teeth that lower end stretches out firm banking (21), is inserted into bull gear (12) locks revolving platform (11).
3. loop wheel machine slewing equipment locking mechanism in ocean according to claim 2, which is characterized in that further include brake cable tensioning
It takes turns (41), the brake cable tensioning wheel (41) is set in the brake cable (40) between lug plate holes (222) and knob hole (323), uses
In the elastic of adjusting brake cable (40).
4. loop wheel machine slewing equipment locking mechanism in ocean according to claim 3, which is characterized in that when energized, described to watch
It takes motor (31) control locking pin (22) and locks revolving platform (11), the brake between the lug plate holes (222) and knob hole (323)
Line (40) is in relaxed state；When power is off, the brake cable (40) between lug plate holes (222) and knob hole (323) is in tensioning state,
Knob (32) the control locking pin (22) locks revolving platform (11).
5. the ocean loop wheel machine slewing equipment locking mechanism according to any one of claim 1 or 4, which is characterized in that also wrap
Revolving platform position sensor (51) is included, the revolving platform position sensor (51) is arranged on locking pin (22) lower face and hangs down
It is directly installed in bull gear (12) face, for judging when revolving platform (11) stop, whether the locking pin (22) is directed at bull gear
(12) clearance between gear teeth.
6. loop wheel machine slewing equipment locking mechanism in ocean according to claim 5, which is characterized in that further include locking pin position
Inductor (52) is provided with L-shaped fixed frame (521) on the firm banking (21), and the locking pin position sensor (52) sets
It sets in L-shaped fixed frame (521) bottom end, towards locking pin (22) and the installation of bull gear (12) face is parallel to, for judging when locking
When pin (22) extends downwardly, whether lower end is stretched out in place.
7. loop wheel machine slewing equipment locking mechanism in ocean according to claim 5, which is characterized in that further include locking control
Device, the lockout controller is connected with revolving platform position sensor (51), revolving platform (11) device of rotation driving, according to revolving platform
The induction of position sensor (51) as a result, control revolving platform (11) rotation, so that locking pin (22) is precisely aligned bull gear (12)
Clearance between gear teeth.
8. loop wheel machine slewing equipment locking mechanism in ocean according to claim 6, which is characterized in that further include locking control
Device, the lockout controller drive with revolving platform position sensor (51), locking pin position sensor (52), revolving platform (11) rotation
Dynamic device, servo motor (31) are connected, according to the induction of revolving platform position sensor (51) as a result, control revolving platform (11) turns
It is dynamic, so that locking pin (22) is precisely aligned the clearance between gear teeth of bull gear (12)；The lockout controller is according to locking pin location sensitive
The induction of device (52) makes the lower end of locking pin (22) as a result, control the up and down motion of locking pin (22) by servo motor (22)
Portion is stretched out in place.
9. loop wheel machine slewing equipment locking mechanism in ocean according to claim 7 or 8, which is characterized in that the servo motor
(31) brake cable (40) between lug plate holes (222) is made of metal, between the knob hole (323) and lug plate holes (222)
Brake cable (40) is steel wire rope.
10. a kind of locking means of ocean loop wheel machine slewing equipment locking mechanism, which is characterized in that include the following steps：
Step 1：Ocean loop wheel machine work terminates, and revolving platform (11) stops operating；
Step 2：Whether driver is normal according to power supply situation, if so, sending out revolving platform (11) lock instruction to lockout controller；
If it is not, entering step 9；
Step 3：Whether revolving platform position sensor (51) detection locking pin (22) is directed at the clearance between gear teeth of bull gear (12), will examine
It surveys result and is sent to lockout controller, if so, 4 are entered step, if it is not, entering step 8；
Step 4：Lockout controller sends to servo motor (31) and instructs, and servo motor (31) is driven by brake cable (40) and locked
Pin (22) moves downward；
Step 5：Whether locking pin position sensor (52) detection locking pin (22) lower end is stretched out in place, and testing result is sent
To lockout controller, if so, 6 are entered step, if it is not, entering step 7；
Step 6：Locking terminates；
Step 7：Lockout controller sends to servo motor (31) and instructs, and servo motor (31) continues to drive locking pin (22) downward
Movement, returns to step 5；
Step 8：Lockout controller sends to revolving platform (11) device of rotation driving and instructs, and driving device continues to drive revolving platform
(11) it rotates, returns to step 3；
Step 9：Whether driver's artificial judgment locking pin (22) is directed at the clearance between gear teeth of bull gear (12), if so, into
Step 10, if it is not, entering step 14；
Step 10：Driver manually controls brake cable tensioning wheel (41), makes the brake between lug plate holes (222) and knob hole (323)
Fare (40) is in tensioning state；
Step 11：Driver pulls the handle (322) of knob (32), and knob (32) unlock, locking pin (22) is under own wt
It moves downward, is inserted into the clearance between gear teeth of bull gear (12)；
Step 12：Whether driver's artificial judgment locking pin (22) lower end is stretched out in place, if so, 6 are entered step, if it is not, into
Enter step 13；
Step 13：Driver manually adjusts locking pin (22) drop-off positions, until locking pin (22) lower end is stretched out in place, enters
Step 6；
Step 14：Driver manually rotates revolving platform (11) by associated mechanical steering mechanism, until locking pin (22) alignment is big
The clearance between gear teeth of gear ring (12), enters step 10.
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| CN201810448829.6A CN108584736B (en) | 2018-05-11 | 2018-05-11 | A kind of ocean loop wheel machine slewing equipment locking mechanism and locking means |
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| CN108584736B CN108584736B (en) | 2019-08-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559712A (en) * | 2020-06-03 | 2020-08-21 | 中铁工程机械研究设计院有限公司 | Locking mechanical system and hoist |
| CN112047270A (en) * | 2020-08-17 | 2020-12-08 | 徐州徐工随车起重机有限公司 | Automatic locking device and method for platform rotation and vehicle |
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| CN202245859U (en) * | 2011-08-29 | 2012-05-30 | 宝鸡石油机械有限责任公司 | Interlocking rotary protection device for platform crane |
| CN204702445U (en) * | 2015-04-28 | 2015-10-14 | 青岛天时海洋石油装备有限公司 | Ocean loop wheel machine rotary locking device |
| CN204897261U (en) * | 2015-08-05 | 2015-12-23 | 宝鸡石油机械有限责任公司 | Full angle slewing lock of ocean loop wheel machine |
| CN105858509A (en) * | 2016-04-27 | 2016-08-17 | 徐州重型机械有限公司 | Turntable locking device and crane |
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| JP3265257B2 (en) * | 1998-01-30 | 2002-03-11 | 住友重機械建機クレーン株式会社 | Crane upper revolving unit swivel lock mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111559712A (en) * | 2020-06-03 | 2020-08-21 | 中铁工程机械研究设计院有限公司 | Locking mechanical system and hoist |
| CN112047270A (en) * | 2020-08-17 | 2020-12-08 | 徐州徐工随车起重机有限公司 | Automatic locking device and method for platform rotation and vehicle |
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| Publication number | Publication date |
|---|---|
| CN108584736B (en) | 2019-08-20 |
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