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 PDF

Info

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.)
Pending
Application number
CN201810534769.XA
Other languages
Chinese (zh)
Inventor
胡宇峰
吴培武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Zhen Hong Polytron Technologies Inc
Original Assignee
Guangzhou Zhen Hong Polytron Technologies Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Zhen Hong Polytron Technologies Inc filed Critical Guangzhou Zhen Hong Polytron Technologies Inc
Priority to CN201810534769.XA priority Critical patent/CN110498344A/en
Publication of CN110498344A publication Critical patent/CN110498344A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/18Control systems or devices
    • B66C13/20Control systems or devices for non-electric drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear
    • B66C15/02Safety 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

Same steel wire break-point self-locking control method and its safety
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.
CN201810534769.XA 2018-05-20 2018-05-20 Same steel wire break-point self-locking control method and its safety Pending CN110498344A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810534769.XA CN110498344A (en) 2018-05-20 2018-05-20 Same steel wire break-point self-locking control method and its safety

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810534769.XA CN110498344A (en) 2018-05-20 2018-05-20 Same steel wire break-point self-locking control method and its safety

Publications (1)

Publication Number Publication Date
CN110498344A true CN110498344A (en) 2019-11-26

Family

ID=68584204

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810534769.XA Pending CN110498344A (en) 2018-05-20 2018-05-20 Same steel wire break-point self-locking control method and its safety

Country Status (1)

Country Link
CN (1) CN110498344A (en)

Citations (13)

* Cited by examiner, † Cited by third party
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
CN201102865Y (en) * 2007-07-17 2008-08-20 通州建总集团有限公司 Anti-breaking safety device of 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
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

Patent Citations (13)

* Cited by examiner, † Cited by third party
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
CN201102865Y (en) * 2007-07-17 2008-08-20 通州建总集团有限公司 Anti-breaking safety device of 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
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

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
EP0021934A1 (en) A motion compensating system for use with a crane hoist
US3797608A (en) Scaffolding winch
CN103342288A (en) Mast rise and fall synchronous control system of crawler crane
US3203669A (en) Climbing jack
CN217867584U (en) End connecting device for hoisting rope
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
CN106927331B (en) Speed-limiting anti-falling device for elevator transformation
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
CN210558726U (en) Elevator rope breakage detection protection device
CN104047624B (en) A kind of anchor cable hydraulic pressure send rope device automatically
CN208980187U (en) Auxiliary mould for assembled steel beam lifting
CN207686279U (en) A kind of fluid pressure type creeping formwork
CN101654212A (en) Safety device of gantry crane arm support
CN211895851U (en) Safety device for rope type lifter
CN205687424U (en) The crane that a kind of wind-proof is tumbled
CN108358014A (en) A kind of falling proof device
CN205878085U (en) Falling -preventing device for high -pole lamp

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