CN105905739B - Anti- accidental movement and the anti-dual-purpose bidirectional safety tongs of hypervelocity - Google Patents
Anti- accidental movement and the anti-dual-purpose bidirectional safety tongs of hypervelocity Download PDFInfo
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- CN105905739B CN105905739B CN201610432621.6A CN201610432621A CN105905739B CN 105905739 B CN105905739 B CN 105905739B CN 201610432621 A CN201610432621 A CN 201610432621A CN 105905739 B CN105905739 B CN 105905739B
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- Prior art keywords
- hypervelocity
- accidental movement
- push
- pull rod
- dual
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
Abstract
Anti- accidental movement and the anti-dual-purpose bidirectional safety tongs of hypervelocity, are related to elevator safety technical field, to solve the problems, such as to make safety tongs not only to prevent elevator overspeed but also prevent car accidental movement.The present invention includes bidirectional safety tongs ontology, anti-accidental movement push-pull rod, anti-hypervelocity push-pull rod, slide, lifting rod, power and energy connecting rod, connecting rod shaft etc..Anti- accidental movement push-pull rod and anti-hypervelocity push-pull rod are connect respectively by axis pin with power and energy connecting rod, and power and energy connecting rod can be connect with driving mechanism.Driving mechanism gate condition checkout gear.Driving mechanism pushes away, draws power and energy connecting rod that safety tongs is made to be closed in gate, into the standby mode for preventing elevator overspeed；It is opened in gate, into the standby mode for preventing car accidental movement.Once upper and lower hypervelocity or the upper and lower accidental movement of car occur for elevator, the present apparatus can be triggered or by safety tongs internal action by limiter of speed, make car stop on guide rail.
Description
Technical field
The present invention relates to elevator safety technical field, specially a kind of anti-accidental movement and the anti-dual-purpose bidirectional safe of hypervelocity
Pincers.
Background technology
Safety tongs is under limiter of speed manipulation, when elevator hypervelocity, disconnected rope occurs when failures, by car stop on guide rail
A kind of safety device.It is generally made of housing, voussoir, jaw etc., and cooperates with limiter of speed.Its operation principle is：Limit
After fast device detects elevator operation hypervelocity, triggering safety tongs action, jaw generates squeezing action to guide rail, between safety tongs and guide rail
Frictional force make elevator stop motion.Traditional safety tongs has good braking effect, peace for elevator overspeed operating energy loss
Complete reliable characteristic, but it cannot be used for preventing car accidental movement.
The patent of Patent No. 201510495261.X and 201520608207.7 discloses one kind for preventing car from anticipating
The bidirectional safety tongs of outer movement are safety tongs as preventing the device of car accidental movement from providing solution, but it cannot
For preventing elevator overspeed from running.
Above two safety tongs or can only anti-elevator overspeed or can only anti-car accidental movement, function is very single, to electricity
Ladder can have the braking reliability of hypervelocity and accidental movement at the same time, this causes elevator that need to install two sets of safety tongs.As can it sets
It counts, produce and can be used to preventing car accidental movement and be used for the integral bidirectional safety tongs for preventing elevator overspeed from running,
It is beneficial to simplify construction and the installation of associated safety feature, reduces costs associated.
Invention content
The technical problem to be solved by the present invention is to：Existing safety tongs can only anti-elevator overspeed or anti-car accidental movement,
Function is relatively simple, to solve the above problems, providing a kind of anti-accidental movement and the anti-dual-purpose bidirectional safety tongs of hypervelocity.
The purpose of the present invention is what is realized in the following manner：
Anti- accidental movement and the anti-dual-purpose bidirectional safety tongs of hypervelocity, the bidirectional safety tongs being fastened on including front openings on guide rail
Ontology, lifting rod are located at the side of guide rail, and bidirectional safety tongs ontology includes shell, are provided with inner casing in shell, and inner casing can be
It is slided in slot on shell on the inside of lower wall, housing back wall is equipped with opening, and inner casing is provided with the horizontal tube chamber extended to except opening,
Be located in the inner casing inner cavity on the right side of guide rail and be provided with upper and lower wedge caliper and dual-wedge, upper and lower wedge caliper and dual-wedge it is oblique
Roller is provided between face, upper and lower wedge caliper can be slided along dual-wedge, be located in inner casing inner cavity on the left of guide rail and be provided with braking
Device is provided with anti-hypervelocity and anti-accidental movement conversion equipment, anti-hypervelocity and anti-accident between brake apparatus, dual-wedge and inner casing
Mobile conversion equipment is driven by state of elevator detection device, and anti-hypervelocity and anti-accidental movement conversion equipment join with inner casing to slide
It connects, the pin being connect with lifting rod is provided on upper and lower wedge caliper, the special shape coordinated with pin is provided on lifting rod and is slided
Slot, lifting rod are connect with speed-limitation structure, when car door is in opening state, the anti-hypervelocity of state of elevator detection device driving and anti-meaning
Outer mobile conversion equipment rotation, makes bidirectional safety tongs ontology enter anti-accidental movement state, upper and lower wedge caliper is made to be connect with guide rail
It touches, when accidental movement occurs for elevator, bidirectional safety tongs ontology clamping guide-rail, when car door is closed, state of elevator detection dress
The anti-hypervelocity of driving and the rotation of anti-accidental movement conversion equipment are put, bidirectional safety tongs ontology is made to enter anti-overspeed condition, when elevator is transported
When situation about exceeding the speed limit occurs in row, limiter of speed driving lifting rod is moved to relative to the negative direction that car moves, and lifting rod passes through column
Pin drives the movement of up or down wedge caliper, makes bidirectional safety tongs ontology clamping guide-rail.
Special shape sliding slot on lifting rod is the diamond structure with fillet.
Brake apparatus includes slide peace caliper, and buffer unit is provided between slide and flat pliers body, and flat pliers body, which is located at, to be slided
Between seat and guide rail, the sliding slot that slide can be along inner casing in lower wall slides.
Buffer unit is fixedly connected on including one end on flat pliers body, the 5th horizontal spiral shell that the other end is slidably connected with slide
Bar is set with the disc spring for buffering on the 5th horizontal screw bolt.
Slide return mechanism is provided on inner casing.
Anti- hypervelocity and anti-accidental movement conversion equipment are arranged on the other end between slide and inner casing including one end and turn with function
It changes the anti-hypervelocity push-pull rod of connecting rod flexible connection and one end is arranged on the other end and power and energy connecting rod between dual-wedge and inner casing
The anti-accidental movement push-pull rod of flexible connection, power and energy connecting rod are fixed by connecting rod shaft, anti-hypervelocity push-pull rod and anti-accident
Mobile push-pull rod is located at the both sides of connecting rod shaft.
Long slot bore is provided on anti-hypervelocity push-pull rod and anti-accidental movement push-pull rod, power and energy connecting rod is examined with state of elevator
Device connection is surveyed, when power and energy connecting rod rotates under the effect of state of elevator detection device, power and energy connecting rod drives anti-hypervelocity
Push-pull rod and anti-accidental movement push-pull rod are slided along above-mentioned long slot bore.
Anti- hypervelocity push-pull rod slides between inner casing and slide, and anti-hypervelocity push-pull rod front end is stairstepping, is between ladder
Chamfered transition is provided with the face with the cooperation of anti-hypervelocity push-pull rod front end inclined-plane on slide；Anti- accidental movement push-pull rod is in dual-wedge
It is slided between inner casing, anti-accidental movement push-pull rod front end is stairstepping, is chamfered transition between ladder, is provided on dual-wedge
With the face of anti-accidental movement push-pull rod front end inclined-plane cooperation, when car door is in an open state by closed state change, state of elevator inspection
The rotation of device driving function conversion connecting rod is surveyed, anti-hypervelocity push-pull rod pulls out between slide and inner casing, anti-hypervelocity push-pull rod
Front side inclined-plane is contacted with slide, meanwhile, anti-accidental movement push-pull rod under the action of function connects bar to dual-wedge and inner casing it
Between be pushed into, anti-accidental movement push-pull rod and dual-wedge become plane contact from contact of incline plane, and anti-accidental movement push-pull rod driving is double
Wedge block movement makes upper and lower wedge caliper and guide rail contact；When car door is in off state by opening state change, state of elevator inspection
The rotation of device driving function conversion connecting rod is surveyed, anti-hypervelocity push-pull rod is pushed between slide and inner casing, anti-hypervelocity push-pull rod and cunning
Seat becomes plane contact from contact of incline plane, meanwhile, anti-accidental movement push-pull rod pulls out under the action of function connects bar, prevents
Accidental movement push-pull rod front end inclined-plane is contacted with dual-wedge.
Relative to the prior art, the safety tongs device that the invention provides can prevent car accidental movement（Including it is upper,
Downlink）, and elevator overspeed can be prevented（Including uplink and downlink）Operation, two kinds of efficiency integrate in one apparatus, time-sharing work.
When gate is opened, in the standby mode for preventing car accidental movement；When gate is closed, in prevent elevator overspeed run
Standby mode.The present apparatus can be connect with bidirectional speed limiter or unidirectional limiter of speed, and unidirectional（Upstream or downstream）When limiter of speed connects,
Car accidental movement is prevented except possessing（Including uplink and downlink）Function outside, have the function of to prevent elevator overspeed upstream or downstream.
The present apparatus is independent modular construction, can be advantageously mounted on car top beam or bottom girder.
Description of the drawings
Fig. 1 is the front view of the present invention.
Fig. 2 is the A-A sectional views of Fig. 1.
Fig. 3 is that Fig. 1 removes the view after lifting rod and hyposphene caliper positioning bolt.
Wherein, 1 is guide rail；2 be shell；3 be inner casing；4 be slide；5 be flat pliers body；6 be that slide resets third spring；7
It is third horizontal anomalous movement screw rod；8 be disc spring；9 be anti-hypervelocity push-pull rod；10 be the 5th horizontal screw bolt；11 be the 4th horizontal screw bolt；
12 be front guide；13 be back guide；14 be axis pin；15 be power and energy connecting rod；16 be connecting rod shaft；17 be lifting rod；18 are
Lower resetting spring；19 be hyposphene caliper；20 be the first pin；22 be upper wedge caliper；23 be the second pin；24 be second horizontal living
Dynamic screw rod；25 be that inner casing resets second spring；26 be anti-accidental movement push-pull rod；27 be first level moving screw；28 be double
Voussoir resets the first spring；29 be dual-wedge；30 be upper reset spring；39 be guide plate；40 be stop screw.
Specific embodiment
As shown in Figure 1 to Figure 3, it is of the present invention to be used to prevent car accidental movement and prevent the two of elevator overspeed operation
With bidirectional safety tongs, the bidirectional safety tongs ontology being fastened on including front openings on guide rail 1, is prevented anti-accidental movement push-pull rod 26
Exceed the speed limit push-pull rod 9, slide 4, lifting rod 17, power and energy connecting rod 15, connecting rod shaft 16 etc..
Bidirectional safety tongs ontology includes the inner casing 3 being arranged in 2 inner cavity of shell, and inner casing 3 can be in 2 upper and lower wall of shell
It is slided in the slot of side；2 rear wall of shell offers rectangular aperture, and inner casing 3 is provided with the horizontal tube chamber extended to except rectangular aperture；
2 left side of shell is provided with the 4th horizontal screw bolt 11 for being positioned to inner casing 3, and 2 right side of shell is provided with end and is fixedly connected on
The second horizontal anomalous movement screw rod 24 in 3 side wall of inner casing, be provided on the second horizontal anomalous movement screw rod 24 positioned at inner casing 3 and shell 2 it
Between inner casing reset second spring 25.
It is located at 1 right side of guide rail in 3 inner cavity of inner casing and is provided with the upper and lower wedge caliper 22,19 for being symmetrical with 3 horizontal central line of inner casing
With dual-wedge 29, dual-wedge 29 can slide in the slot on the inside of 3 upper and lower wall of inner casing；On upper and lower wedge caliper 22,19 forward and backward faces
The slot for being parallel to wedge surface is carved with, front and rear guide plate 12,13 is mounted on 29 front and rear end of dual-wedge and is provided with along 29 wedge of dual-wedge
Inward-facing flanging, flanging are embedded in the slot of upper and lower wedge caliper 22,19, and upper and lower wedge caliper 22,19 can be slided along flanging；It is described
Upper and lower wedge caliper 22,19 structures are identical, and upper wedge caliper 22 is connected by upper reset spring 30 with 3 top of inner casing, hyposphene caliper 19
It is connected by lower resetting spring 18 with 3 bottom of inner casing, the stop screw 40 of upper and lower wedge caliper is provided on inner casing 3；It is clamped in upper wedge
Second pin 23 and the first pin 20,23 He of the second pin are respectively equipped on the outer end face of body 22 and hyposphene caliper 19
First pin 20 matches respectively with the lifting slot on lifting rod 17；The lifting slot is the diamond shape with fillet, the lifting
The upper and lower part of bar 17 can be slided in the slot of guide plate 39 for being fixedly mounted on 3 upper and lower end face of inner casing；The dual-wedge 29
Horizontal roller 21 is inlaid on wedge surface, is conducive to reduce the resistance of motion of the upper and lower wedge caliper 22,19 relative to dual-wedge 29；It is double
Voussoir 29 is connected by first level moving screw 27 with inner casing 3, and described 27 one end of first level moving screw is fixed on folding wedge
In block 29, the other end, which extends to 3 outside of inner casing and is socketed between inner casing 3, is provided with the first spring of folding wedge block reset 28；It is described
The upper and lower wedge surface of dual-wedge 29 is parallel with the wedge surface of upper and lower wedge caliper 22,19 respectively, and upper and lower wedge caliper 22,19 passes through roller
With 29 mediate contact of dual-wedge, the angle α of each wedge surface and horizontal direction is acute angle；It is located at dual-wedge 29 in 3 inner cavity of inner casing
Right lateral side is provided with the anti-accidental movement push-pull rod 26 extended to except horizontal tube chamber, and forepart is passed through from horizontal tube intracavitary；It is anti-
For accidental movement push-pull rod 26 when pulling out in place, the contact surface of front end and dual-wedge 29 is inclined-plane, is pushed away when to safety tongs front side
When entering certain position, switch to plane contact with dual-wedge 29；Anti- accidental movement push-pull rod 26 passes through axis pin 14 and power and energy
Connecting rod 15 connects.
1 left side of guide rail is being provided with flat pliers body 5 and slide 4, slide 4 can be slided in the slot on the inside of 3 upper and lower wall of inner casing
It is dynamic；Flat pliers body 5 is connected by the 5th horizontal screw bolt 10 with slide 4, and 10 one end of the 5th horizontal screw bolt is fixed in flat pliers body 5, separately
One end is extended in the counterbore of slide 4, is socketed between flat pliers body 5 and slide 4 and is provided with disc spring 8；The slide 4 passes through third
Horizontal anomalous movement screw rod 7 is connected with inner casing 3, and 7 one end of third horizontal anomalous movement screw rod is fixed in slide 4, and the other end extends to inner casing 3
Outside and the socket setting slide reset third spring 6 between inner casing 3；It is provided in 3 inner cavity of inner casing positioned at 4 left rear side of sliding block
The anti-hypervelocity push-pull rod 9 except horizontal tube chamber is extended to, forepart is passed through from horizontal tube intracavitary；Anti- hypervelocity push-pull rod 9 is pulling out
When in place, the contact surface of front end and slide 4 is inclined-plane, when being advanced to certain position to safety tongs front side, is switched to slide 4
Plane contact；Anti- hypervelocity push-pull rod 9 is connect by axis pin 14 with power and energy connecting rod 15.
With being hinged relative to the fixed connecting rod shaft 16 of bidirectional safety tongs ontology, the function turns power and energy connecting rod 15
Changing connecting rod 15 can be connected with driving mechanism.
As shown in Figure 1 to Figure 3, in elevator normal operation, the device of the invention is in and prevents what elevator overspeed from running
Standby mode；Anti- hypervelocity push-pull rod 9 is advancing to the position at this time, is plane contact with slide 4；Anti- accidental movement push-pull rod 26 is pulled out to
Position is contact of incline plane with dual-wedge 29；Equidistance is kept between flat pliers body 5 and upper and lower wedge caliper 22,19 and guide rail 1.
Gate is opened to one fixed width after elevator stops（Such as 100mm）When, driving mechanism pushing function conversion connecting rod
15 rotate around connecting rod shaft 16, and anti-hypervelocity push-pull rod 9 is gradually drawn out, while anti-accident along the plane of slide 4 out of safety tongs
Mobile push-pull rod 26 is gradually pushed into safety tongs；The slope driving dual-wedge 29 of anti-26 front end of accidental movement push-pull rod is transported to the left
It is dynamic, so as to which dual-wedge 29 be made upper and lower wedge caliper 22,19 direction guiding rail, 1 direction to be driven to squeeze through horizontal roller 21, while axis pin 20,
23 drive lifting rod 17 to left movement, when anti-accidental movement push-pull rod 26 is advanced to certain depth, upper and lower wedge caliper 22,19
Forming face contacts between guide rail 1；Period first level moving screw 27 is moved to the left with dual-wedge 29,3 outside of inner casing
The first spring of folding wedge block reset 28 is compressed, and anti-hypervelocity push-pull rod 9 is already partially pulled out of along the plane of slide 4 from inner casing 3；Anti- meaning
Outer mobile push-pull rod 26 continues to promote, and anti-accidental movement push-pull rod 26, anti-hypervelocity push-pull rod 9 and inner casing 3 is forced to move right, is prevented
Hypervelocity push-pull rod 9 is already partially pulled out of again, and the axis pin 14 on power and energy connecting rod 15 is along anti-accidental movement push-pull rod 26 and anti-hypervelocity
Long slot bore on push-pull rod 9 slides；The 5 gradual direction guiding rail 1 of flat pliers body that period is located in inner casing 3 is close, positioned at inner casing 3 and shell
Inner casing between 2 resets second spring 25 and is compressed；After anti-26 slope advance of accidental movement push-pull rod, beginning and dual-wedge
29 plane contacts simultaneously continue to promote, and anti-hypervelocity push-pull rod 9 is already partially pulled out of again；When anti-accidental movement push-pull rod 26 is along dual-wedge 29
Plane when being advanced to certain position, anti-hypervelocity push-pull rod 9 is changed into contact of incline plane with slide 4, resets third spring 6 in slide
Under the action of, flat pliers body 5 is moved to the direction far from guide rail 1；It is advancing to the position to anti-accidental movement push-pull rod 26, flat pliers body 5 arrives
Up at from 1 highest distance position of guide rail, this squeezes moving process and terminates, and safety tongs enters occurs accidental movement system to car at any time
The standby mode stopped.
Under standby mode, in gate to complete opening, people's goods passes through, gate is begun to shut off, until gate is closed to certain
Remaining width（Such as 100mm）Before, if accidental movement upward or downward occurs for car, such as upward unexpected shifting has occurred
When dynamic, the present apparatus on car（In addition to upper wedge caliper 22）It synchronizes and moves upwards；Upper wedge caliper 22 is by the friction of guide rail 1
Retardance and the present apparatus（Including dual-wedge 29）It moves toward one another, dual-wedge 29 is squeezed to the right by horizontal roller 21, forces inner casing 3
It moves right, inner casing, which resets second spring 25, to be continued to be compressed, and the axis pin 14 on power and energy connecting rod 15 is pushed away along anti-accidental movement
Long slot bore on pull rod 26 and anti-hypervelocity push-pull rod 9 slides；Hyposphene caliper 19 and lifting rod 17 move right with dual-wedge 29 simultaneously
Dynamic, the second pin 23 is slipped over along the upper left straight flange of lifting rod diamond shape lifting slot；Period is located at 5 direction guiding rail 1 of flat pliers body in inner casing 3
Close to until contact；Car continues to move up, and makes the flat pliers body 5 being in contact with guide rail 1 and upper wedge caliper 22 fast to the pressure of guide rail 1
Fast increase, forces car to stop movement, ensures the safety of discrepancy car personnel.Disc spring is installed between flat pliers body 5 and slide 4
8, when stop deceleration is close to tolerance limit value, flat pliers body 5 and upper wedge caliper 22 can be slowed down to the pressure of guide rail 1, make sedan-chair
The relatively slow stop in compartment, mitigates the stop impact force to passenger in car.
When downward accidental movement has occurred, the course of work of the present apparatus is similar to the above process；The difference lies under
Wedge caliper 19 is moved toward one another by the friction retardance of guide rail 1 with dual-wedge 29, a left side of first pin 20 along lifting rod diamond shape lifting slot
Lower straight flange slips over.
If accidental movement does not occur during gate is opened, gate closing motion will make anti-accidental movement push-pull rod thereafter
26 exit inner casing 3, and anti-hypervelocity push-pull rod 9 is promoted in inner casing 3；Above-mentioned each component carries out the fortune with aforementioned activities opposite direction therewith
It is dynamic, until safety tongs is restored to the standby mode of anti-overspeed.
When gate is closed in elevator normal operation, for example exceed the speed limit downlink if there is overspeed, limiter of speed operating mechanism
Lifting rod 17 will be made to be moved upwards relative to car；Diamond shape lifts slot lower curved bottom end and hyposphene is driven to clamp by the first pin 20
Body 19 is opposite to be moved up, while hyposphene caliper 19 and 17 direction guiding rail 1 of lifting rod are close, until hyposphene caliper 19 is contacted with guide rail 1；Phase
Between upper wedge caliper 22 remained stationary as under the limitation of the top of front and rear guide plate 12,13 and upper return spring 30 relative to car, second
Pin 23 is slided along the upper right straight flange of lifting rod diamond shape lifting slot.
Car continues traveling downwardly, and lifting rod 17 and hyposphene caliper 19 continue to move up relatively, and dual-wedge 29 is squeezed to the right, is forced
Inner casing 3 is whole to be moved right, and spring 25 is compressed, and the axis pin 14 on power and energy connecting rod 15 is along anti-26 He of accidental movement push-pull rod
Long slot bore on anti-hypervelocity push-pull rod 9 slides, and the second pin 23 continues to slide along the upper right straight flange of lifting rod diamond shape lifting slot, puts down
5 direction guiding rail 1 of caliper with guide rail 1 close to until contact；
Hereafter car continues traveling downwardly, and the frictional force between flat pliers body 5 and hyposphene caliper 19 and guide rail 1 increases rapidly, and makes sedan-chair
Compartment stop is on guide rail 1.
When there is hypervelocity uplink, the course of work of the present apparatus is similar to the above process；The difference lies in diamond shape liftings
Slot upper arcuate top drives upper wedge caliper 22 is opposite to move down by the second pin 23, and the first pin 20 is lifted along lifting rod diamond shape
The bottom right straight flange of slot slides.
When gate is closed in elevator normal operation, if not occurring overspeed, the present apparatus, which is maintained at, prevents elevator overspeed
The standby mode of operation, until elevator stops, gate is opened, the present apparatus enters as previously described prevents the standby of car accidental movement
State.
Claims (8)
1. anti-accidental movement and the anti-dual-purpose bidirectional safety tongs of hypervelocity, the bidirectional safety tongs sheet being fastened on including front openings on guide rail
Body, lifting rod are located at the side of guide rail, and bidirectional safety tongs ontology includes shell, is provided with inner casing in shell, inner casing can be outside
It is slided in slot on shell on the inside of lower wall, housing back wall is equipped with opening, and inner casing is provided with the horizontal tube chamber extended to except opening,
It is located at the inclined-plane that upper and lower wedge caliper and dual-wedge, upper and lower wedge caliper and dual-wedge are provided on the right side of guide rail in the inner casing inner cavity
Between be provided with roller, upper and lower wedge caliper can be slided along dual-wedge, it is characterised in that：It is located on the left of guide rail in inner casing inner cavity
Brake apparatus is provided with, anti-hypervelocity and anti-accidental movement conversion equipment are provided between brake apparatus, dual-wedge and inner casing, is prevented super
Fast and anti-accidental movement conversion equipment is driven by state of elevator detection device, anti-hypervelocity and anti-accidental movement conversion equipment and inner casing
To be slidably connected, the pin being connect with lifting rod is provided on upper and lower wedge caliper, the spy coordinated with pin is provided on lifting rod
Different shape sliding slot, lifting rod is connect with speed-limitation structure, and when car door is in opening state, the driving of state of elevator detection device is anti-super
The rotation of fast and anti-accidental movement conversion equipment, makes bidirectional safety tongs ontology enter anti-accidental movement state, make upper and lower wedge caliper with
Guide rail contact, when accidental movement occurs for elevator, bidirectional safety tongs ontology clamping guide-rail, when car door is closed, state of elevator
The anti-hypervelocity of detection device driving and the rotation of anti-accidental movement conversion equipment, make bidirectional safety tongs ontology enter anti-overspeed condition, when
When situation about exceeding the speed limit occurs in elevator operation, limiter of speed driving lifting rod is moved to relative to the negative direction that car moves, lifting rod
Up or down wedge caliper is driven to move by pin, make bidirectional safety tongs ontology clamping guide-rail.
2. anti-accidental movement according to claim 1 and the anti-dual-purpose bidirectional safety tongs of hypervelocity, it is characterised in that：On lifting rod
Special shape sliding slot be the diamond structure with fillet.
3. anti-accidental movement according to claim 1 and the anti-dual-purpose bidirectional safety tongs of hypervelocity, it is characterised in that：Brake apparatus
Including slide peace caliper, buffer unit is provided between slide and flat pliers body, flat pliers body is between slide and guide rail, slide
Sliding slot that can be along inner casing in lower wall slides.
4. anti-accidental movement according to claim 3 and the anti-dual-purpose bidirectional safety tongs of hypervelocity, it is characterised in that：Buffer unit
It is fixedly connected on flat pliers body including one end, the 5th horizontal screw bolt that the other end is slidably connected with slide, on the 5th horizontal screw bolt
It is set with the disc spring for buffering.
5. anti-accidental movement according to claim 3 or 4 and the anti-dual-purpose bidirectional safety tongs of hypervelocity, it is characterised in that：Inner casing
On be provided with slide return mechanism.
6. anti-accidental movement according to claim 3 and the anti-dual-purpose bidirectional safety tongs of hypervelocity, it is characterised in that：It is anti-hypervelocity and
Anti- accidental movement conversion equipment is arranged on what the other end between slide and inner casing was flexibly connected with power and energy connecting rod including one end
Anti- hypervelocity push-pull rod and one end are arranged on the anti-accident that the other end is flexibly connected with power and energy connecting rod between dual-wedge and inner casing
Mobile push-pull rod, power and energy connecting rod are fixed by connecting rod shaft, and anti-hypervelocity push-pull rod and anti-accidental movement push-pull rod are located at company
The both sides of bar shaft.
7. anti-accidental movement according to claim 6 and the anti-dual-purpose bidirectional safety tongs of hypervelocity, it is characterised in that：Anti- hypervelocity pushes away
Long slot bore is provided on pull rod and anti-accidental movement push-pull rod, power and energy connecting rod is connect with state of elevator detection device, function
When conversion connecting rod rotates under the effect of state of elevator detection device, the anti-hypervelocity push-pull rod of power and energy connecting rod driving and anti-unexpected shifting
Dynamic push-pull rod is slided along above-mentioned long slot bore.
8. anti-accidental movement according to claim 6 and the anti-dual-purpose bidirectional safety tongs of hypervelocity, it is characterised in that：Anti- hypervelocity pushes away
Pull rod slides between inner casing and slide, and anti-hypervelocity push-pull rod front end is stairstepping, is chamfered transition between ladder, is set on slide
It is equipped with the face with the cooperation of anti-hypervelocity push-pull rod front end inclined-plane；Anti- accidental movement push-pull rod slides between dual-wedge and inner casing, prevents
Accidental movement push-pull rod front end is stairstepping, is chamfered transition between ladder, is provided on dual-wedge and anti-accidental movement pushes and pulls
The face of bar front end inclined-plane cooperation, when car door is in an open state by closed state change, state of elevator detection device driving function turns
Link rotatable is changed, anti-hypervelocity push-pull rod pulls out between slide and inner casing, and inclined-plane connects with slide on front side of anti-hypervelocity push-pull rod
It touches, meanwhile, anti-accidental movement push-pull rod is pushed under the action of function connects bar between dual-wedge and inner casing, anti-accidental movement
Push-pull rod becomes plane contact with dual-wedge from contact of incline plane, and anti-accidental movement push-pull rod driving dual-wedge movement makes upper and lower wedge
Caliper and guide rail contact；When car door is in off state by opening state change, the conversion of state of elevator detection device driving function
Link rotatable, anti-hypervelocity push-pull rod are pushed between slide and inner casing, and anti-hypervelocity push-pull rod becomes flat with slide from contact of incline plane
Face contacts, meanwhile, anti-accidental movement push-pull rod pulls out under the action of function connects bar, anti-accidental movement push-pull rod front end
Inclined-plane is contacted with dual-wedge.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400969 | 2016-06-08 | ||
| CN2016104009697 | 2016-06-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105905739A CN105905739A (en) | 2016-08-31 |
| CN105905739B true CN105905739B (en) | 2018-06-22 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610432621.6A Active CN105905739B (en) | 2016-06-08 | 2016-06-17 | Anti- accidental movement and the anti-dual-purpose bidirectional safety tongs of hypervelocity |
| CN201620593238.4U Withdrawn - After Issue CN205772609U (en) | 2016-06-08 | 2016-06-17 | Anti-accidental movement and the dual-purpose bidirectional safety tongs of anti-hypervelocity |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620593238.4U Withdrawn - After Issue CN205772609U (en) | 2016-06-08 | 2016-06-17 | Anti-accidental movement and the dual-purpose bidirectional safety tongs of anti-hypervelocity |
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| CN105905739B (en) * | 2016-06-08 | 2018-06-22 | 中船重工海为郑州高科技有限公司 | Anti- accidental movement and the anti-dual-purpose bidirectional safety tongs of hypervelocity |
| CN106429707B (en) * | 2016-11-22 | 2019-09-27 | 中山天达电梯科技有限公司 | A kind of elevator bidirectional safety tongs and its lift appliance |
| CN106976169B (en) * | 2017-04-07 | 2019-10-25 | 苏州赫瑞特电子专用设备科技有限公司 | A kind of main shaft of multiline cutter rotation-preventing mechanism |
| US11242222B2 (en) * | 2018-10-26 | 2022-02-08 | Otis Elevator Company | Elevator braking device mechanism |
| CN109911739B (en) * | 2019-03-18 | 2024-02-09 | 杭州优迈科技有限公司 | Bidirectional safety tongs for elevator and elevator |
| CN111977488B (en) * | 2020-09-09 | 2021-10-26 | 山东劳动职业技术学院（山东劳动技师学院） | Bidirectional safety tongs for elevator |
| CN112573323B (en) * | 2020-12-18 | 2022-06-24 | 施密特电梯有限公司 | High security performance big goods ladder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201261670Y (en) * | 2008-09-02 | 2009-06-24 | 徐香顺 | Safety tong with speed limiting and anti-falling functions |
| CN102596783B (en) * | 2009-10-28 | 2015-07-29 | 三菱电机株式会社 | Emergency braking device for elevators |
| CN202144416U (en) * | 2011-07-05 | 2012-02-15 | 河北东方富达机械有限公司 | Progressive safety gear |
| CN202321841U (en) * | 2011-11-04 | 2012-07-11 | 涂翼民 | Safety pincer type stopping layer protective device |
| CN202785154U (en) * | 2012-11-09 | 2013-03-13 | 刘德民 | Gradual rope gripper and gradual overspeed protection safety device of traction type lifting device |
| CN204823562U (en) * | 2015-08-10 | 2015-12-02 | 刘德民 | Gradual two -way rope ware that presss from both sides |
| CN105016166B (en) * | 2015-08-13 | 2017-04-12 | 卫小兵 | Two-way safety gear used for preventing lift car from moving accidentally |
| CN105905739B (en) * | 2016-06-08 | 2018-06-22 | 中船重工海为郑州高科技有限公司 | Anti- accidental movement and the anti-dual-purpose bidirectional safety tongs of hypervelocity |
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2016
- 2016-06-17 CN CN201610432621.6A patent/CN105905739B/en active Active
- 2016-06-17 CN CN201620593238.4U patent/CN205772609U/en not_active Withdrawn - After Issue
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| CN205772609U (en) | 2016-12-07 |
| CN105905739A (en) | 2016-08-31 |
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