CN110498344A - Same steel wire break-point self-locking control method and its safety - Google Patents
Same steel wire break-point self-locking control method and its safety Download PDFInfo
- Publication number
- CN110498344A CN110498344A CN201810534769.XA CN201810534769A CN110498344A CN 110498344 A CN110498344 A CN 110498344A CN 201810534769 A CN201810534769 A CN 201810534769A CN 110498344 A CN110498344 A CN 110498344A
- Authority
- CN
- China
- Prior art keywords
- steel wire
- locking
- lifting
- control structure
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 236
- 239000010959 steel Substances 0.000 title claims abstract description 236
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000003028 elevating effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 2
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 230000001965 increasing effect Effects 0.000 description 4
- 230000000977 initiatory effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/02—Safety gear for retaining load-engaging elements in the event of rope or cable breakage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The present invention relates to same steel wire break-point self-locking control method and its safeties, its method is to be equipped with steel wire lock tightening device on lifting steel wire, the steel wire lock tightening device is mounted on the fixation position of lifting object, the steel wire lock tightening device makes lifting steel wire be divided into ascent stage steel wire and descending branch steel wire, when ascent stage steel wire is under non-tension or deviates original position, the steel wire lock tightening device automatically lock descending branch steel wire, it is on the contrary, when descending branch steel wire is under non-tension or deviates original position, the steel wire lock tightening device automatically lock ascent stage steel wire, achieve the lift control method with safe anti-falling drop.The present invention by same go up and down steel wire can be realized after steel wire be broken at an arbitrary position all can another section of steel wire of automatically lock, be effectively prevented and go up and down object and fall, avoid security risk.
Description
Technical field
The present invention relates to method of controlling security and its safety governor structure that a kind of lifter hangs hanging object fall arrest, belong to
Mechanical engineering safeguard construction field.
Background technique
It is realized in the lifter of elevating function currently, stretching volume by steel wire, the measure of elevating safety control generallys use
A plurality of steel wire being separated to realize, wherein there is breakpoint in a steel wire for prevention, alternative scheme of another steel wire as safety guarantee,
But this method is invisible just to increase lifter overall failure point, has deepened the difficulty of design, using upper increasingly complex, raises
This height is manufactured, and needs bigger volume space to be just able to satisfy the flexible requirement of lifting steel wire in manufacture craft, is also thus increased
Add weight of lifter itself, so that increasing the energy consumption used, increases transportation cost, while increasing its use cost and operation
Difficulty does not utilize the popularization and use of product.
Summary of the invention
Target effect of the invention is to solve the safety related technical problems of lifting device hanging object fall arrest, be especially embodied in
In the operation of same root steel wire, the method for controlling security and its self-locking type lifting safety of a kind of lifter hanging object fall arrest are provided
Device makes in lifting process, and single steel wire can tangle hanging object in the case where any breakpoint, locks on lifting steel wire,
Ensure to fall.
The method for realizing the object of the invention is: being equipped with steel wire lock tightening device on lifting steel wire, which is mounted on
On the fixation position for going up and down object, the steel wire lock tightening device makes lifting steel wire be divided into ascent stage steel wire and descending branch steel wire, when upper
When liter section steel wire is under non-tension or deviates original position, the steel wire lock tightening device automatically lock descending branch steel wire, instead
It, is when descending branch steel wire is under non-tension or deviates original position, the steel wire lock tightening device automatically lock ascent stage
Steel wire achieves the lift control method with safe anti-falling drop.
A kind of same steel wire break-point self locking safety device for realizing above-mentioned control method includes fixing piece and is mounted on
Lifting steel wire, double locking apparatus on fixing piece, pulley etc., the lifting steel wire run through double locking apparatus, and wirerope is in cunning
Driving wheel structure is in application, lifting steel wire is divided into ascent stage steel wire and descending branch steel wire；The double locking apparatus includes locking
Mechanism and restriction controller, the retaining mechanism are the locker of locking lifting steel wire；The controller that limits is locked as control
The controller of tight mechanism locking or releasing orientation；In application, when descending branch steel wire is in non-tension or deviation original position, limit
Determine controller control retaining mechanism automatically lock ascent stage steel wire；When ascent stage steel wire in non-tension or deviates original position
When, it limits controller and controls retaining mechanism automatically lock descending branch steel wire, thus make lifter that there is safe anti-falling defencive function.
Further, the retaining mechanism is made of two one-way locking devices, and two one-way locking devices are in one
Straight line is mounted on fixed body in opposite directions, and the lifting steel wire is used to wear two one-way locking devices.
Further, the one-way locking device is made of cylindrical shell, spring and pushing locking head, the pushing locking
Head and spring are located in cylindrical shell, and cylindrical shell both ends are equipped with through-hole, and the spring, which is located at, to be pushed on the inside of locking head, are pushed
Locking head stretches out cylindrical shell by through-hole, and the bullet which is made of two pieces or more of latch segment is each to lock
Arc-shaped face is arranged in corresponding position at cooperation between block, which form each latch segment at the lead to the hole site of cylindrical shell
Locking hole, locking hole Automatic-clamping lifting steel wire under the action of spring pushes latch segment carry out locking or control limiting
Device processed unclamps lifting steel wire realization elevating function under the action of pushing latch segment automatically.
Further, the one-way locking device is steel wire one-way locking device.
Further, the arcwall face of the latch segment is in shape of threads.
Further, the restriction controller includes control structure one and control structure two, the control structure
One and control structure two be respectively two-way locking device position in intersect swing installation two rotating blocks, the control structure
One and two one end of control structure be located at the lifting steel wire entrance of retaining mechanism two sides, the other end is located at locking machine
At another side position of structure opposite location, make control structure one and control structure two in staggered form weave control.
Further, the two-way locking device is mounted on fixing piece (lift sinking stage being such as commonly called as) by a fixed block
On, which is equipped with the groove of installation control structure one and control structure two, the control structure one and control structure
Two lower end positions are equipped with protrusion arc block, and control structure one and control structure two by protrusion arc block respectively by being rotatablely installed
On groove, two rotating blocks for intersecting, swinging in opposite directions are formed.
Further, the rotating block is S-shaped, Z-shaped or T shape
Further, one end of the control structure one and control structure two is equipped with lifting steel wire guide wheel, and the other end is set
There is the locating slot for positioned-lifting steel wire.
Further, it is equipped with movable pulley below the controller guide wheel, which is located at the anteroposterior position of retaining mechanism
Place is set, is mounted on fixing piece, and movable pulley is located at the inner side of controller guide wheel, makes to go up and down steel wire in one He of control structure
At trapezoidal profile between guide wheel and movable pulley in control structure two.
Further, the fixing piece is the fixed body for driving hanging object lifting, it may also be said to, which is to drive
The accessory for connecting hanging object lifting, is commonly called as hanging scaffold.
Further, the fixed body is lift sinking stage, is equipped with one or more movable pulley.
Beneficial effects of the present invention:
1, the method for the present invention is equipped with steel wire lock tightening device on lifting steel wire, which is mounted on consolidating for lifting object
Positioning is set, and the steel wire lock tightening device makes lifting steel wire be divided into ascent stage steel wire and descending branch steel wire, when ascent stage steel wire is in
Under non-tension or when deviateing original position, the steel wire lock tightening device automatically lock descending branch steel wire, conversely, working as descending branch steel
Under non-tension or when deviateing original position, the steel wire lock tightening device automatically lock ascent stage steel wire achieves silk
The lift control method of safety protection function with hanging object fall arrest.Therefore, the present invention is by same lifting steel wire
Achievable steel wire be broken at an arbitrary position after all can another section of steel wire of automatically lock, be effectively prevented lifting object fall, avoid
Security risk.
2, the same steel wire break-point self locking safety device of the present invention includes the liter for having fixing piece and being mounted on fixing piece
Steel wire, two-way locking device drop, and the lifting steel wire runs through two-way locking device, applies in sliding wheel construction, makes to go up and down steel wire
It is divided into ascent stage steel wire and descending branch steel wire；The two-way locking device includes retaining mechanism and limits controller, described
Retaining mechanism is the locker of locking lifting steel wire；Described limits control of the controller to control retaining mechanism locking state
Device；In application, limiting controller control retaining mechanism when descending branch steel wire is in non-tension or deviation original position and locking automatically
Tight ascent stage steel wire；When ascent stage steel wire is in non-tension or deviation original position, restriction controller control retaining mechanism is certainly
Dynamic locking descending branch steel wire, thus makes lifter have the safety protection function of hanging object fall arrest.Therefore, structure of the invention letter
Single, low manufacture cost can realize elevating safety safeguard measure in same lifting steel wire, and disconnected in lifting steel wire any position
Very fast automatically lock goes up and down steel wire, the security risk for preferably avoiding hanging object from falling when splitting.
3, retaining mechanism of the invention is made of two one-way locking devices, and two one-way locking devices are in a straight line phase
To being fixed on fixed body, the lifting steel wire runs through two one-way locking devices, and thus its structure is simple, it can be achieved that lifting steel
Very fast automatically lock goes up and down steel wire when the fracture of silk any position, preferably ensures the usage safety performance of lifting device.
4, one end of control structure one of the invention and control structure two is equipped with the guide wheel of lifting steel wire, and the other end, which is equipped with, to be used
In the locating slot of positioned-lifting steel wire and the pushing locking head of locking hole, and with the movable pulley on fixing piece at same level position
It sets, goes up and down two in control structure one and control structure two of steel wire between guide wheel and movable pulley into trapezoidal profile.Therefore, may be used
Effectively sliding capability of the guidance lifting steel wire on lifter is better achieved quick when lifting steel wire is broken at an arbitrary position
Automatically another section of lifting steel wire is locked, the safeguard protection performance of lifting device is improved.
5, two-way locking device of the invention is mounted on fixing piece by a fixed block, which is equipped with installation control
The groove of structure one and control structure two processed, the control structure one and two lower end position of control structure are equipped with protrusion arc
Block, control structure one and control structure two respectively by being rotatably installed on groove by protrusion arc block, formation intersects,
Two rotating blocks swung in opposite directions.Therefore its is simple and reasonable, makes control structure one and control structure two on retaining mechanism
Preferably swing, better implement control retaining mechanism locking function.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is usage state diagram of the invention.
Fig. 3 is one-way locking device structural schematic diagram of the invention.
Fig. 4 is the side view (enlarged drawing) of Fig. 3.
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in further detail.
A kind of lifter method of controlling security as shown in Figures 1 to 4 is equipped with steel wire lock tightening device on lifting steel wire, should
Steel wire lock tightening device be mounted on lifting object fixation position on, the steel wire lock tightening device make go up and down steel wire be divided into ascent stage steel wire and
Descending branch steel wire, when ascent stage steel wire is under non-tension or deviates original position, the steel wire lock tightening device is locked automatically
Tight descending branch steel wire, conversely, when descending branch steel wire is under non-tension or deviates original position, the steel wire lock tightening device
Automatically lock ascent stage steel wire, achieves the lift control method with safety protection function.
Specifically, the steel wire lock tightening device is the unidirectional wire of double end, reversed locking structure, the liter of steel wire lock tightening device installation
On the fixation position for dropping hanging scaffold hook, lifting steel wire forms double-steel wire rope and hangs state, the cable-type padlock by steel wire lock tightening device
Tight device makes lifting steel wire be divided into ascent stage steel wire and descending branch steel wire, (i.e. folding and unfolding section and fixation under movable pulley configuration state
Section), when ascent stage steel wire is under non-perpendicular tension, the steel wire lock tightening device automatically lock descending branch steel wire, conversely,
When descending branch steel wire is under non-perpendicular tension, the steel wire lock tightening device automatically lock ascent stage steel wire,
A kind of same steel wire break-point self locking safety device of above-mentioned control method includes fixing piece 1 and is mounted on solid
Determine lifting steel wire 2, the two-way locking device 3 on part 1, the fixing piece 1 is the fixed body for driving hanging object lifting, the liter
It drops steel wire 2 and runs through two-way locking device 3, lifting steel wire 2 is made to be divided into ascent stage steel wire 21 and descending branch steel wire 22；Described is two-way
Locking device 3 includes retaining mechanism 31 and limits controller 32, and the retaining mechanism 31 is the locking of locking lifting steel wire 2
Device；The restriction controller 32 is the controller for controlling the locking of retaining mechanism 31 or releasing orientation；In application, working as descending branch steel
Silk 22 limits controller 32 and controls 31 automatically lock ascent stage of retaining mechanism steel wire in non-tension or deviation original position
21；When ascent stage steel wire 21 is in non-tension or deviation original position, restriction controller 32 controls retaining mechanism 31 and locks automatically
Tight descending branch steel wire 22, thus makes lifter have safety protection function.
The retaining mechanism 31 is made of two one-way locking devices 311, and two one-way locking devices 311 are in always
Line is mounted in opposite directions on fixed body 1, and the lifting steel wire 2 runs through two one-way locking devices 311.Specifically, two it is unidirectional
Locker 311 is mounted on fixed body 1 in opposite direction, makes it in the ascent stage steel wire 21 or descending branch steel wire of lifting steel wire 2
When occurring phenomenon of rupture in 22, one-way locking device 311 can another section of unbroken ascent stage steel wire 21 of automatically lock or descending branch
Steel wire 22, i.e., when there is phenomenon of rupture in ascent stage steel wire 21, the meeting automatically lock descending branch steel wire 22 of one-way locking device 311,
Conversely, i.e. when there is phenomenon of rupture in descending branch steel wire 22, the meeting automatically lock ascent stage steel wire 21 of one-way locking device 311 makes
Its lifter will not make object fall initiation accident because of lifting steel wire fracture.
Specifically, the one-way locking device 311 is made of cylindrical shell 3111, spring 3112 and pushing locking head 3113,
The pushing locking head 3113 and spring 3112 is located in cylindrical shell 3111, and 3111 both ends of cylindrical shell are equipped with through-hole
3114, the spring 3112, which is located at, pushes 3113 inside of locking head, pushes locking head 3113 by through-hole 3114 and stretches out cylinder
Shell 3111, the bullet which is made of two pieces or more of latch segment 3115, the bullet stretch out through-hole
3114 parts are in cylindrical body, for make to push locking head 3113 have in through-hole 3114 it is good it is flexible step up or release function,
3114 inner wall of through-hole corresponding with the outside of bullet is in inclined-plane, and corresponding position setting is at cooperation between each latch segment 3115
Arcwall face 3116, the arcwall face 3116 make each latch segment 3115 form locking hole at 3114 position of through-hole of cylindrical shell 3111
3117, the locking hole 3117 Automatic-clamping lifting steel wire 2 under the action of spring 3112 pushes latch segment 3115 is locked
Determine or unclamp the lifting realization elevating function of steel wire 2 automatically under the action of limiting controller 32 and pushing latch segment 3115, in order to make
Preferably promptly lifting steel wire, the arcwall face 3116 are in shape of threads to latch segment 3115, are pushed away in thrust piece by through-hole 3114
The latch segment 3115 for pushing locking head 3113 is drawn, realization, which opens to loosen lifting steel wire or merge to clamp, locks lifting steel wire function.
The restriction controller 32 includes control structure 1 and control structure 2 322, the control structure one
321 and control structure 2 322 be respectively two-way locking device 3 middle position in intersect swing installation two rotating blocks,
The lifting steel wire 2 that the control structure 1 and 2 322 one end of control structure are located at 31 two sides of retaining mechanism enters and leaves position
Place, the other end are located at another side position of 31 opposite location of retaining mechanism, make control structure 1 and control structure two
322 be in staggered form weave control.
In order to which more compact structure is reasonable, the two-way locking device 3 is mounted on fixing piece 1 by a fixed block 4, should
Fixed block 4 is equipped with the groove 41 of installation control structure 1 and control structure 2 322, the control structure 1 and control
2 322 lower end position of structure processed is equipped with protrusion arc block 5, and control structure 1 and control structure 2 322 are respectively by by convex
It plays arc block 5 to be rotatably installed on groove 41, forms two rotating blocks for intersecting, swinging in opposite directions, the rotating block is S
Shape, Z-shaped or T shape.
For sliding and the steering capability for increasing lifting steel wire 2, the control structure 1 and control structure 2 322 1
End is equipped with the guide wheel 323 of lifting steel wire, and the other end is equipped with the locating slot 324 for positioned-lifting steel wire, makes to go up and down steel wire 2 in this way
It can the stable locking hole 3117 into one-way locking device 311.Pass through (running through) lifter to further increase lifting steel wire 2
Two-way locking device 3 performance, movable pulley 325 is equipped with below the guide wheel 323, which is located at retaining mechanism
At 31 front-rear position, the lower end sliding surface and locking hole 3117 of movable pulley 325 are mounted flush on fixing piece 1, and movable pulley
325 are located at the inner side of guide wheel 323, make two gone up and down steel wire 2 in control structure 1 and control structure 2 323 to lead
At trapezoidal profile between wheel 323 and movable pulley 325, steel wire 2 thus is being gone up and down in lifting, pressure of the guide wheel 323 in lifting steel wire 2
Under tight, latch segment 3115 is preferably compressed, i.e., will be retracted in cylindrical shell 3111 in latch segment 3115, make locking hole 3117 at this time
It opens, lifting steel wire 2 is free to slide in locking hole 3117, good elevating function is achieved in, when in ascent stage steel wire 21
When there is phenomenon of rupture, the pushing locking head 3113 of compression latch segment 3115 automatically lock descending branch under the action of spring 3112
Steel wire 22, prevents lifter from falling, and similarly, i.e., when there is phenomenon of rupture in descending branch steel wire 22, compresses latch segment 3115
The automatically lock ascent stage steel wire 21 under the action of spring 3112 of locking head 3113 is pushed, prevents lifter from falling, makes its lifting
Device will not make object fall initiation accident because of lifting steel wire fracture.
Further, limiting controller 32, to form nature vertical by going up and down 2 hanging object gravity of steel wire, and presents tightly
Tension state, the guide wheel being pressed at control structure one and control structure Two-port netwerk respectively make retaining mechanism 31 be in wire state,
When lifting steel wire 2 it is non-perpendicular strain at state under, lifting 2 clamping force of steel wire disappears, the restriction control of corresponding retaining mechanism 31
The spring 3112 of device 32 processed, which pushes, pushes the locked lifting steel wire 2 formation guard mode of locking head.
Another embodiment of the invention is also possible that the one-way locking device 311 is steel wire one-way locking device.
The present invention is in application, go up and down steel wire 2 by the guide wheel on one 321 one end of control structure of 3 side of two-way locking device
The movable pulley 325 of the corresponding lower section of 323 guiding enters the locking hole 3117 of retaining mechanism 31, by the sliding of 31 other side of retaining mechanism
325 guiding of wheel draws the guide wheel 323 of corresponding top 2 322 one end of control structure, in the case where lifter goes up and down stress, due to movable pulley
325 in the inside of guide wheel 323, (i.e. the spacing between less than two guide wheels 323 of spacing between two movable pulleies 325, its spacing is about
For 5-25mm), goes up and down steel wire 2 and be pressed on guide wheel 323, suppress control structure 1 and 2 322 other end of control structure
The cylindrical shell 3111 for pushing retraction one-way locking device 311 in locking head 3113 for two one-way locking devices 311 installed in opposite directions
In, thus open the locking hole 3117 for pushing that each latch segment 3115 is formed in locking head 3113, therefore, one 321 He of control structure
When control structure 2 322 opens simultaneously the locking hole 3117 of two one-way locking devices 311, make lifting steel wire 2 can be in locking hole
It walks up and down on 3117 (it may also be said that lifter can slidably reciprocate on lifting steel wire 2), realizes elevating function.
When there is phenomenon of rupture in ascent stage steel wire 21 or descending branch steel wire 22 (going up and down any position of steel wire), break
The corresponding guide wheel 323 for limiting controller 32 (control structure 1 or control structure 2 322) in lifting 2 one end of steel wire is split not press
Power makes control structure 1 or 2 322 other end of control structure leave the pushing locking head 3113 of one-way locking device 311, pushes
Locking head 3113 pushes each latch segment 3115, makes to push away under the action of 3111 both ends through-hole 3114 of spring 3112 and cylindrical shell
The locking hole 3117 that each latch segment 3115 is formed in pressure locking head 3113, which becomes smaller, to be stepped up to go up and down steel wire 2.
Specifically, when there is phenomenon of rupture in 22 any position of descending branch steel wire for going up and down steel wire 2, fracture lifting steel wire
2 one end correspond to the guide wheel 323 of control structure 1 not by the pressure of lifting steel wire 2, make one 321 other end of control structure from
The pushing locking head 3113 of an one-way locking device 311 is opened, pushes locking head 3113 at 3111 both ends of spring 3112 and cylindrical shell
Under the action of through-hole 3114, each latch segment 3115 is pushed, makes to push the locking hole that each latch segment 3115 is formed in locking head 3113
3117, which become smaller, steps up to go up and down the one end for the ascent stage steel wire 21 not broken in steel wire 2, keeps its lifter disconnected because of lifting steel wire
It splits, object is made to fall initiation accident.Similarly, when there is phenomenon of rupture in 21 any position of ascent stage steel wire for going up and down steel wire 2,
Fracture lifting 2 one end of steel wire corresponds to the guide wheel 323 of control structure 2 322 not by the pressure of lifting steel wire 2, makes control structure two
322 other ends leave the pushing locking head 3113 of another one-way locking device 311, push locking head 3113 in spring 3112 and cylinder
Under the action of 3111 both ends through-hole 3114 of shell, each latch segment 3115 is pushed, makes to push each latch segment 3115 in locking head 3113
The locking hole 3117 of formation, which becomes smaller, steps up to go up and down the one end for the lower liter section steel wire 21 not broken in steel wire 2.Therefore, either ascent stage
Therefore steel wire 21 and the fracture of 22 any position of descending branch steel wire, lifter will not fall, avoid initiation accident.
The present invention is in use, self locking safety device is located on lifter, and using under normal conditions, the hook of lifter exists lifter
Under gravity, two sections of wirerope on 3 two sides movable pulley of two-way locking device are the vertical tension of nature to hanging object,
Also so that the two-way locking device 3 of self locking safety device is in wire state (i.e. lifter sliding mode on lifting steel wire), work as cunning
When wherein there is breakpoint in one section of lifting steel wire on driving wheel, i.e., non-perpendicular tension when or non-stress tense when, corresponding position
Two-way locking device 3 from wire state instantaneous transition be to lock Filamentous state, by the lifting of another section of vertical tension or stress
Steel wire holds the lifter for hanging hanging object body, prevents the lifter for hanging hanging object body from falling, and causes safety accident, this process is just real
Now with the lift control method of safety protection function.
Claims (10)
1. same steel wire break-point self-locking control method, it is characterized in that: being equipped with steel wire lock tightening device, the steel wire on lifting steel wire
Locker is mounted on the fixation position of lifting object, and the steel wire lock tightening device makes lifting steel wire be divided into ascent stage steel wire and decline
Duan Gangsi, when ascent stage steel wire is under non-tension or deviates original position, under the steel wire lock tightening device automatically lock
Section steel wire drops, conversely, the steel wire lock tightening device is automatic when descending branch steel wire is under non-tension or deviates original position
Ascent stage steel wire is locked, the lift control method with safety protection function is achieved.
2. a kind of same steel wire break-point self locking safety device for realizing claim 1 control method, it is characterized in that: including solid
Lifting steel wire (2), the two-way locking device (3) determining part (1) and being mounted on fixing piece (1),
The lifting steel wire (2) runs through two-way locking device (3), and lifting steel wire (2) is made to be divided into ascent stage steel wire (21) and decline
Duan Gangsi (22)；
The two-way locking device (3) includes retaining mechanism (31) and limits controller (32), the retaining mechanism (31)
For the locker of locking lifting steel wire (2)；Described limits controller (32) as control retaining mechanism (31) locking or release shape
The controller of state；
In application, limiting controller (32) control locking when descending branch steel wire (22) is in non-tension or deviation original position
Mechanism (31) automatically lock ascent stage steel wire (21)；When ascent stage steel wire (21) non-tension or deviate original position when, limit
Determine controller (32) control retaining mechanism (31) automatically lock descending branch steel wire (22), thus makes lifter that there is safeguard protection function
Energy.
3. same steel wire break-point self locking safety device according to claim 2, it is characterized in that: the retaining mechanism
(31) it is made of two one-way locking devices (311), two one-way locking devices (311) are mounted on fixation in a straight line in opposite directions
On body (1), the lifting steel wire (2) runs through two one-way locking devices (311).
4. same steel wire break-point self locking safety device according to claim 3, it is characterized in that: the one-way locking device
(311) it is made of cylindrical shell (3111), spring (3112) and pushing locking head (3113), the pushing locking head (3113)
It is located in cylindrical shell (3111) with spring (3112), cylindrical shell (3111) both ends are equipped with through-hole (3114), the spring
(3112) it is located at and pushes on the inside of locking head (3113), push locking head (3113) by through-hole (3114) and stretch out cylindrical shell
(3111), the bullet which is made of two pieces or more of latch segment (3115), each latch segment (3115)
Between at cooperation corresponding position arc-shaped face (3116) is set, which makes each latch segment (3115) in cylindrical shell
(3111) locking hole (3117) are formed at through-hole (3114) position, the locking hole (3117) is pushed in spring (3112) to be locked
Automatic-clamping lifting steel wire (2) carries out locking or pushes latch segment limiting controller (32) under the action of tight block (3115)
(3115) lifting steel wire (2) is unclamped under the action of automatically and realizes elevating function.
5. same steel wire break-point self locking safety device according to claim 3, it is characterized in that: the one-way locking device
It (311) is steel wire one-way locking device.
6. same steel wire break-point self locking safety device according to claim 2, it is characterized in that: the restriction controller
It (32) include control structure one (321) and control structure two (322), the control structure one (321) and control structure two
It (322) is respectively on the middle position of two-way locking device (3) in two rotating blocks for intersecting swing installation, the control structure one
(321) it is located at lifting steel wire (2) the discrepancy position of retaining mechanism (31) two sides with control structure two (322) one end, separately
One end is located at another side position of retaining mechanism (31) opposite location, makes control structure one (321) and control structure two
It (322) is in staggered form weave control.
7. same steel wire break-point self locking safety device according to claim 6, it is characterized in that: the bidirectional locking fills
It sets (3) to be mounted on fixing piece (1) by a fixed block (4), which is equipped with groove (41), the control knot
Structure one (321) and control structure two (322) lower end position are equipped with protrusion arc block (5), control structure one (321) and control structure
Two (322) are formed and intersect, swing in opposite directions respectively by being rotatably installed on groove (41) by protrusion arc block (5)
Two rotating blocks.
8. same steel wire break-point self locking safety device according to claim 6, it is characterized in that: the control structure one
(321) and control structure two (322) one end is equipped with the guide wheel (323) for going up and down steel wire, and the other end, which is equipped with, is used for positioned-lifting steel wire
Locating slot (324).
9. same steel wire break-point self locking safety device according to claim 8, it is characterized in that: the guide wheel (323)
Lower section is equipped with movable pulley (325), which is located at the front-rear position of retaining mechanism (31), is mounted on fixing piece (1)
On, and movable pulley (325) is located at the inner side of guide wheel (323), makes to go up and down steel wire (2) in control structure one (321) and control
Two guide wheels (323) in structure two (323) and between movable pulley (325) at trapezoidal profile.
10. same steel wire break-point self locking safety device according to claim 2, it is characterized in that: the fixing piece (1)
For the fixed body for driving hanging object lifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810534769.XA CN110498344B (en) | 2018-05-20 | 2018-05-20 | Method for controlling random break point self-locking of same steel wire and safety device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810534769.XA CN110498344B (en) | 2018-05-20 | 2018-05-20 | Method for controlling random break point self-locking of same steel wire and safety device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110498344A true CN110498344A (en) | 2019-11-26 |
| CN110498344B CN110498344B (en) | 2024-07-19 |
Family
ID=68584204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810534769.XA Active CN110498344B (en) | 2018-05-20 | 2018-05-20 | Method for controlling random break point self-locking of same steel wire and safety device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110498344B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1470653A1 (en) * | 1987-02-11 | 1989-04-07 | Одесский Государственный Педагогический Институт Им.К.Ушинского | Safety device for holding load-engaging member with cable hanger |
| ES2024259A6 (en) * | 1990-05-16 | 1992-02-16 | Echt Sa | Safety device for preventing the fall of load-lifting hoppers and the like |
| CN2199178Y (en) * | 1994-07-11 | 1995-05-31 | 哈尔滨飞机制造公司 | Broken wire fall-preventing device for vertical transport plane |
| CN2220459Y (en) * | 1993-11-10 | 1996-02-21 | 杨益文 | Anti-drop lifting trackle |
| JP2001139280A (en) * | 1999-11-16 | 2001-05-22 | Sumitomo Constr Mach Co Ltd | Overload preventing device for construction machine |
| CN201102865Y (en) * | 2007-07-17 | 2008-08-20 | 通州建总集团有限公司 | Anti-breaking safety device for lifting hook |
| CN101337641A (en) * | 2008-08-14 | 2009-01-07 | 贵州建工集团总公司 | Wire rope breaking protector |
| JP2009051634A (en) * | 2007-08-28 | 2009-03-12 | Kito Corp | Falling preventive mechanism and hoisting device using this mechanism |
| CN201592953U (en) * | 2009-11-16 | 2010-09-29 | 三一集团有限公司 | Steel wire rope breaking protection device |
| CN201756412U (en) * | 2010-07-15 | 2011-03-09 | 天津起重设备有限公司 | Rope breakage preventing device for hoisting mechanism of crane |
| CN102145853A (en) * | 2011-04-26 | 2011-08-10 | 安徽金钟机电设备有限公司 | Anti-falling hanging hook of crane |
| CN104003310A (en) * | 2014-05-28 | 2014-08-27 | 河南省第二建设集团有限公司 | Broken rope self-locking device |
| CN104843587A (en) * | 2014-02-17 | 2015-08-19 | 刘德民 | Crane movable pulley apparatus with rope breaking protection and anti-falling mechanism |
| CN106006350A (en) * | 2016-07-08 | 2016-10-12 | 长沙云成智能科技有限公司 | Retarder and stepless retardance unloading device comprising retarder |
| EP3210873A1 (en) * | 2016-02-25 | 2017-08-30 | MacGregor Norway AS | Line tensioner |
| CN206553073U (en) * | 2017-03-21 | 2017-10-13 | 河南华北起重吊钩有限公司 | A kind of Novel hook parachute gear |
| CN206904791U (en) * | 2017-05-31 | 2018-01-19 | 广州市震泓光电科技有限公司 | The lifting lamp of adjustable type power connection equipment |
| CN208234402U (en) * | 2018-05-20 | 2018-12-14 | 广州市震泓科技股份有限公司 | Same steel wire break-point self locking safety device |
-
2018
- 2018-05-20 CN CN201810534769.XA patent/CN110498344B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1470653A1 (en) * | 1987-02-11 | 1989-04-07 | Одесский Государственный Педагогический Институт Им.К.Ушинского | Safety device for holding load-engaging member with cable hanger |
| ES2024259A6 (en) * | 1990-05-16 | 1992-02-16 | Echt Sa | Safety device for preventing the fall of load-lifting hoppers and the like |
| CN2220459Y (en) * | 1993-11-10 | 1996-02-21 | 杨益文 | Anti-drop lifting trackle |
| CN2199178Y (en) * | 1994-07-11 | 1995-05-31 | 哈尔滨飞机制造公司 | Broken wire fall-preventing device for vertical transport plane |
| JP2001139280A (en) * | 1999-11-16 | 2001-05-22 | Sumitomo Constr Mach Co Ltd | Overload preventing device for construction machine |
| CN201102865Y (en) * | 2007-07-17 | 2008-08-20 | 通州建总集团有限公司 | Anti-breaking safety device for lifting hook |
| JP2009051634A (en) * | 2007-08-28 | 2009-03-12 | Kito Corp | Falling preventive mechanism and hoisting device using this mechanism |
| CN101337641A (en) * | 2008-08-14 | 2009-01-07 | 贵州建工集团总公司 | Wire rope breaking protector |
| CN201592953U (en) * | 2009-11-16 | 2010-09-29 | 三一集团有限公司 | Steel wire rope breaking protection device |
| CN201756412U (en) * | 2010-07-15 | 2011-03-09 | 天津起重设备有限公司 | Rope breakage preventing device for hoisting mechanism of crane |
| CN102145853A (en) * | 2011-04-26 | 2011-08-10 | 安徽金钟机电设备有限公司 | Anti-falling hanging hook of crane |
| CN104843587A (en) * | 2014-02-17 | 2015-08-19 | 刘德民 | Crane movable pulley apparatus with rope breaking protection and anti-falling mechanism |
| CN104003310A (en) * | 2014-05-28 | 2014-08-27 | 河南省第二建设集团有限公司 | Broken rope self-locking device |
| EP3210873A1 (en) * | 2016-02-25 | 2017-08-30 | MacGregor Norway AS | Line tensioner |
| CN106006350A (en) * | 2016-07-08 | 2016-10-12 | 长沙云成智能科技有限公司 | Retarder and stepless retardance unloading device comprising retarder |
| CN206553073U (en) * | 2017-03-21 | 2017-10-13 | 河南华北起重吊钩有限公司 | A kind of Novel hook parachute gear |
| CN206904791U (en) * | 2017-05-31 | 2018-01-19 | 广州市震泓光电科技有限公司 | The lifting lamp of adjustable type power connection equipment |
| CN208234402U (en) * | 2018-05-20 | 2018-12-14 | 广州市震泓科技股份有限公司 | Same steel wire break-point self locking safety device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110498344B (en) | 2024-07-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9708160B2 (en) | Tensioning device and tensioning method for steel wire rope of cage guide of ultra-deep vertical shaft | |
| CN208234402U (en) | Same steel wire break-point self locking safety device | |
| US3797608A (en) | Scaffolding winch | |
| CN108792979B (en) | Logging wire rope fast locking multiple protection device for petroleum exploitation | |
| CN103342288A (en) | Mast rise and fall synchronous control system of crawler crane | |
| CN201567154U (en) | Novel manual rail clamping device | |
| CN114684686B (en) | Traction elevator speed limiting braking device | |
| CN110498344A (en) | Same steel wire break-point self-locking control method and its safety | |
| CN103803399B (en) | A kind of submersible special hanger | |
| CN102633190A (en) | Control method and device for super-lift system, super-lift system and engineering machinery | |
| CN102359263A (en) | Automatic falling preventing device for integral lifting scaffold | |
| CN203411244U (en) | Control system for synchronous lifting and descending of crawler crane mast | |
| US564012A (en) | Tackle-block | |
| CN110182666A (en) | A kind of nacelle device of fall arrest | |
| CN104047624B (en) | A kind of anchor cable hydraulic pressure send rope device automatically | |
| CN213231218U (en) | Hoisting sling and hoisting equipment | |
| CN2587828Y (en) | Safety protector for well head lift | |
| CN208308217U (en) | A kind of novel self-lock automatic tension balance hanger for wire | |
| CN208980187U (en) | Auxiliary mould for assembled steel beam lifting | |
| CN106218833A (en) | Active guard rail | |
| CN207686279U (en) | A kind of fluid pressure type creeping formwork | |
| CN101654212A (en) | Safety device of gantry crane arm support | |
| CN202228008U (en) | Polished rod lifting and lowering device | |
| CN208200056U (en) | It is a kind of for overhauling the protective device of elevator | |
| CN220283374U (en) | Wire rope groove removing device of door machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |