CN105905739A - Dual-purpose bidirectional safety tongs preventing accidental movement and overspeed - Google Patents
Dual-purpose bidirectional safety tongs preventing accidental movement and overspeed Download PDFInfo
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- CN105905739A CN105905739A CN201610432621.6A CN201610432621A CN105905739A CN 105905739 A CN105905739 A CN 105905739A CN 201610432621 A CN201610432621 A CN 201610432621A CN 105905739 A CN105905739 A CN 105905739A
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- hypervelocity
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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
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a dual-purpose bidirectional safety tongs preventing accidental movement and overspeed and relates to the technical field of elevator safety, and the dual-purpose bidirectional safety tongs preventing accidental movement and overspeed is used for realizing the effects that the safety tongs are used for not only preventing an elevator from overspeeding, but also preventing a lift car from accidentally moving. The dual-purpose bidirectional safety tongs preventing accidental movement and overspeed comprises a bidirectional safety tongs body, a push-pull rod preventing accidental movement, a push-pull rod preventing overspeed, a sliding seat, a draw bar, a function transformation connecting rod, a connecting rod spindle and the like. The push-pull rod preventing accidental movement and the push-pull rod preventing overspeed are separately connected with the function transformation connecting rod through hinge pins, and the function transformation connecting rod can be connected with a driving mechanism which is a car door state detection device. The driving mechanism pushes and pulls the function transformation connecting rod to enable the safety tongs to be in the holding state of preventing the elevator from overspeeding under the circumstance of car door close and to be in the holding state of preventing the lift car from accidentally moving under the circumstance of car door open. Once the elevator overspeeds up and down, or the lift car accidentally moves up and down, the dual-purpose bidirectional safety tongs preventing accidental movement and overspeed enables the lift car to be stopped on a guide rail by virtue of trigger by an over-speed governor or internal action of the safety tongs.
Description
Technical field
The present invention relates to elevator safety technical field, a kind of anti-accidental movement and the dual-purpose bidirectional safety tongs of anti-hypervelocity.
Background technology
Safety tongs is under limiter of speed is handled, when the fault such as hypervelocity, disconnected rope occurs in elevator, by the car stop a kind of safety device on guide rail.Typically be made up of housing, voussoir, jaw etc., and with limiter of speed collaborative work.Its operation principle is: after limiter of speed detects that elevator runs hypervelocity, triggering safety tongs action, jaw produces squeezing action to guide rail, and the frictional force between safety tongs and guide rail makes elevator stop motion.Traditional safety tongs, for elevator overspeed operating energy loss, has good braking effect, safe and reliable characteristic, but it cannot be used for preventing car accidental movement.
Patent No. 201510495261.X and the patent of 201520608207.7, disclose a kind of bidirectional safety tongs for preventing car accidental movement, provide solution for safety tongs as the device preventing car accidental movement, but it cannot be used for preventing elevator overspeed from running.
Above two safety tongs maybe can only anti-elevator overspeed, maybe can only anti-car accidental movement, function is the most single, can have hypervelocity and the braking reliability of accidental movement at the same time to elevator, and this makes elevator need to install two sets of safety tongs.If design, producing and can be used for preventing car accidental movement, the integral bidirectional safety tongs preventing elevator overspeed from running can be used for again, be beneficial to simplify structure and the installation of associated safety feature, reduction costs associated.
Summary of the invention
The technical problem to be solved in the present invention is: existing safety tongs can only anti-elevator overspeed or anti-car accidental movement, function is more single, for solve the problems referred to above, it is provided that a kind of anti-accidental movement and the dual-purpose bidirectional safety tongs of anti-hypervelocity.
It is an object of the invention to realize in the following manner:
nullAnti-accidental movement and the dual-purpose bidirectional safety tongs of anti-hypervelocity，The bidirectional safety tongs body being fastened on guide rail including front openings，Lifting rod is positioned at the side of guide rail，Bidirectional safety tongs body includes shell，Inner shell it is provided with in shell，Inner shell can slide in the groove inside the upper and lower wall of shell，Housing back wall is provided with opening，Inner shell is provided with the horizontal tube chamber extended to outside opening，Described inner shell inner chamber is positioned on the right side of guide rail and is provided with、Hyposphene caliper and dual-wedge，On、It is provided with roller between hyposphene caliper and the inclined-plane of dual-wedge，On、Hyposphene caliper can slide along dual-wedge，The brake unit that is provided with it is positioned on the left of guide rail in inner shell inner chamber，Brake unit、Anti-hypervelocity and anti-accidental movement conversion equipment it is provided with between dual-wedge and inner shell，Anti-hypervelocity and anti-accidental movement conversion equipment are driven by state of elevator detection device，Anti-hypervelocity and anti-accidental movement conversion equipment with inner shell for being slidably connected，On、The pin being connected with lifting rod it is provided with on hyposphene caliper，The special shape chute coordinated with pin it is provided with on lifting rod，Lifting rod is connected with speed-limitation structure，When car door is in open mode，State of elevator detection device drives anti-hypervelocity and anti-accidental movement conversion equipment to rotate，Bidirectional safety tongs body is made to enter anti-accidental movement state，Make、Hyposphene caliper and guide rail contact，When elevator generation accidental movement，Bidirectional safety tongs body clamping guide-rail，When car door is closed，State of elevator detection device drives anti-hypervelocity and anti-accidental movement conversion equipment to rotate，Bidirectional safety tongs body is made to enter anti-overspeed condition，When elevator runs situation hypervelocity occur，Limiter of speed drives lifting rod to the opposite direction motion moved relative to car，Lifting rod drives up or down wedge caliper to move by pin，Make bidirectional safety tongs body clamping guide-rail.
Special shape chute on lifting rod is the diamond structure with fillet.
Brake unit includes slide peace caliper, is provided with buffer unit between slide and flat pliers body, and flat pliers body is positioned between slide and guide rail, slide can along inner shell the slide in lower wall.
Buffer unit includes that one end is fixedly connected on flat pliers body, the 5th horizontal screw bolt that the other end and slide are slidably connected, and the 5th horizontal screw bolt is set with the disc spring for buffering.
Slide return mechanism it is provided with on inner shell.
Anti-hypervelocity and anti-accidental movement conversion equipment include that one end is arranged on anti-hypervelocity push-pull bar that the other end between slide with inner shell is flexibly connected with power and energy connecting rod and one end is arranged on the anti-accidental movement push-pull bar that between dual-wedge with inner shell, the other end is flexibly connected with power and energy connecting rod, power and energy connecting rod is fixed by connecting rod rotating shaft, and anti-hypervelocity push-pull bar and anti-accidental movement push-pull bar are positioned at the both sides of connecting rod rotating shaft.
It is provided with long slot bore on anti-hypervelocity push-pull bar and anti-accidental movement push-pull bar, power and energy connecting rod is connected with state of elevator detection device, when power and energy connecting rod rotates under state of elevator detection device effect, power and energy connecting rod drives anti-hypervelocity push-pull bar and anti-accidental movement push-pull bar to slide along above-mentioned long slot bore.
Anti-hypervelocity push-pull bar slides between inner shell and slide, and anti-hypervelocity push-pull bar front end is stairstepping, is chamfered transition between ladder, and slide is provided with the face coordinated with inclined-plane, anti-hypervelocity push-pull bar front end；Anti-accidental movement push-pull bar slides between dual-wedge and inner shell, anti-accidental movement push-pull bar front end is stairstepping, it it is chamfered transition between ladder, the face coordinated with inclined-plane, anti-accidental movement push-pull bar front end it is provided with on dual-wedge, car door from closed mode become open mode time, state of elevator detection device drives power and energy link rotatable, anti-hypervelocity push-pull bar pulls out between slide and inner shell, on front side of anti-hypervelocity push-pull bar, inclined-plane contacts with slide, simultaneously, anti-accidental movement push-pull bar pushes between dual-wedge and inner shell under the effect of function connecting rod, anti-accidental movement push-pull bar and dual-wedge are become plane contact from contact of incline plane, anti-accidental movement push-pull bar drives dual-wedge motion, make, hyposphene caliper and guide rail contact；When car door is become closed mode from open mode, state of elevator detection device drives power and energy link rotatable, anti-hypervelocity push-pull bar pushes between slide and inner shell, anti-hypervelocity push-pull bar and slide are become plane contact from contact of incline plane, simultaneously, anti-accidental movement push-pull bar pulls out under the effect of function connecting rod, and inclined-plane, anti-accidental movement push-pull bar front end contacts with dual-wedge.
Relative to prior art, the safety tongs device that the invention provides can prevent car accidental movement (including uplink and downlink), can prevent again elevator overspeed (including uplink and downlink) from running, and two kinds of usefulness is integrated in one apparatus, time-sharing work.When gate is opened, it is in the holding state preventing car accidental movement；When gate closes, it is in the holding state preventing elevator overspeed from running.This device can be connected with bidirectional speed limiter or unidirectional limiter of speed, when being connected with unidirectional (upstream or downstream) limiter of speed, in addition to possessing the function preventing car accidental movement (including uplink and downlink), has the function preventing elevator overspeed upstream or downstream.This device is independent modular construction, can be advantageously mounted on car back timber or bottom girder.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the view after Fig. 1 removes lifting rod and hyposphene caliper bolt.
Wherein, 1 is guide rail；2 is shell；3 is inner shell；4 is slide；5 is flat pliers body；6 is slide reset the 3rd spring；7 is the 3rd horizontal anomalous movement screw rod；8 is disc spring；9 is anti-hypervelocity push-pull bar；10 is the 5th horizontal screw bolt；11 is the 4th horizontal screw bolt；12 is front guide；13 is back guide；14 is bearing pin；15 is power and energy connecting rod；16 is connecting rod rotating shaft；17 is lifting rod；18 is lower back-moving spring；19 is hyposphene caliper；20 is the first pin；22 is upper wedge caliper；23 is the second pin；24 is the second horizontal anomalous movement screw rod；25 is that inner shell resets the second spring；26 is anti-accidental movement push-pull bar；27 is the first horizontal anomalous movement screw rod；28 is that dual-wedge resets the first spring；29 is dual-wedge；30 is upper reset spring；39 is guide plate；40 is stop screw.
Detailed description of the invention
As shown in Figure 1 to Figure 3, of the present invention for preventing car accidental movement and the dual-purpose bidirectional safety tongs preventing elevator overspeed from running, the bidirectional safety tongs body being fastened on guide rail 1 including front openings, anti-accidental movement push-pull bar 26, anti-hypervelocity push-pull bar 9, slide 4, lifting rod 17, power and energy connecting rod 15, connecting rod rotating shaft 16 etc..
Bidirectional safety tongs body includes the inner shell 3 being arranged in shell 2 inner chamber, and inner shell 3 can slide in the groove inside the upper and lower wall of shell 2；Shell 2 rear wall offers rectangular aperture, and inner shell 3 is provided with the horizontal tube chamber extended to outside rectangular aperture；The 4th horizontal screw bolt 11 for inner shell 3 is positioned it is provided with on the left of shell 2, being provided with the second horizontal anomalous movement screw rod 24 that end is fixedly connected in inner shell 3 sidewall on the right side of shell 2, the inner shell that the second horizontal anomalous movement screw rod 24 is provided with between inner shell 3 and shell 2 resets the second spring 25.
Being positioned on the right side of guide rail 1 in inner shell 3 inner chamber and be provided with upper and lower wedge caliper 22,19 and the dual-wedge 29 being symmetrical in inner shell 3 horizontal central line, dual-wedge 29 can slide in the groove inside the upper and lower wall of inner shell 3；It is carved with, on upper and lower wedge caliper 22,19 forward and backward, the groove being parallel to wedge surface, front and back guide plate 12,13 is arranged on dual-wedge 29 front and rear end and is provided with along the inside flanging of dual-wedge 29 wedge surface, flanging embeds in the groove of upper and lower wedge caliper 22,19, and upper and lower wedge caliper 22,19 can slide along flanging；Described upper and lower wedge caliper 22,19 structure is identical, and upper wedge caliper 22 is connected with inner shell 3 top by upper reset spring 30, and hyposphene caliper 19 is connected bottom inner shell 3 by lower back-moving spring 18, and inner shell 3 is provided with the stop screw 40 of upper and lower wedge caliper；Being respectively equipped with one second pin 23 and the first pin 20 on the outer face of upper wedge caliper 22 and hyposphene caliper 19, described second pin 23 and the first pin 20 match with the lifting groove on lifting rod 17 respectively；Described lifting groove is the rhombus with fillet, can slide in being fixedly mounted on the groove of guide plate 39 of the upper and lower end face of inner shell 3 in the upper and lower of described lifting rod 17；It is inlaid with horizontal roller 21 on the wedge surface of described dual-wedge 29, is conducive to the resistance of motion reducing upper and lower wedge caliper 22,19 relative to dual-wedge 29；Dual-wedge 29 is connected with inner shell 3 by the first horizontal anomalous movement screw rod 27, and described first horizontal anomalous movement screw rod 27 one end is fixed in dual-wedge 29, the other end extend to outside inner shell 3 and and inner shell 3 between be socketed and be provided with dual-wedge and reset the first spring 28；The upper and lower wedge surface of described 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 is acute angle by roller and dual-wedge 29 mediate contact, each wedge surface with the angle α of horizontal direction；Being positioned at dual-wedge 29 right lateral side in inner shell 3 inner chamber and be provided with the anti-accidental movement push-pull bar 26 extended to outside horizontal tube chamber, its front portion passes from horizontal tube intracavity；Anti-accidental movement push-pull bar 26 is when pull-out puts in place, and its front end is inclined-plane with the contact surface of dual-wedge 29, when being advanced to certain position on front side of safety tongs, transfers plane contact to dual-wedge 29；Anti-accidental movement push-pull bar 26 is connected with power and energy connecting rod 15 by bearing pin 14.
Being provided with flat pliers body 5 and slide 4 being positioned on the left of guide rail 1, slide 4 can slide in the groove inside the upper and lower wall of inner shell 3；Flat pliers body 5 is connected with slide 4 by the 5th horizontal screw bolt 10, and the 5th horizontal screw bolt 10 one end is fixed in flat pliers body 5, and the other end extends in the counterbore of slide 4, and between flat pliers body 5 and slide 4, socket is provided with disc spring 8；Described slide 4 is connected with inner shell 3 by the 3rd horizontal anomalous movement screw rod 7, and the 3rd horizontal anomalous movement screw rod 7 one end is fixed in slide 4, the other end extend to outside inner shell 3 and and inner shell 3 between socket slide reset the 3rd spring 6 is set；Being positioned at slide block 4 left rear side in inner shell 3 inner chamber and be provided with the anti-hypervelocity push-pull bar 9 extended to outside horizontal tube chamber, its front portion passes from horizontal tube intracavity；Anti-hypervelocity push-pull bar 9 is when pull-out puts in place, and its front end is inclined-plane with the contact surface of slide 4, when being advanced to certain position on front side of safety tongs, transfers plane contact to slide 4；Anti-hypervelocity push-pull bar 9 is connected with power and energy connecting rod 15 by bearing pin 14.
Power and energy connecting rod 15 is hinged with the connecting rod rotating shaft 16 fixing relative to bidirectional safety tongs body, and described power and energy connecting rod 15 can be connected with drive mechanism.
As shown in Figure 1 to Figure 3, when elevator is properly functioning, the device of the invention is in the holding state preventing elevator overspeed from running；The most anti-hypervelocity push-pull bar 9 is advancing to the position, and is plane contact with slide 4；The pull-out of anti-accidental movement push-pull bar 26 puts in place, 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.
When after elevator stops, gate is opened to one fixed width (such as 100mm), drive mechanism promotes power and energy connecting rod 15 to rotate around connecting rod rotating shaft 16, anti-hypervelocity push-pull bar 9 is gradually drawn out along the plane of slide 4 in safety tongs, and the most anti-accidental movement push-pull bar 26 is gradually pushed in safety tongs；The slope driving dual-wedge 29 of anti-accidental movement push-pull bar 26 front end is to left movement, so that dual-wedge 29 drives upper and lower wedge caliper 22,19 direction guiding rail 1 direction to extrude through horizontal roller 21, bearing pin 20,23 drives lifting rod 17 to left movement simultaneously, when anti-accidental movement push-pull bar 26 is advanced to certain depth, upper and lower wedge caliper 22,19 all contacts with formation face between guide rail 1；Period the first horizontal anomalous movement screw rod 27 is moved to the left with dual-wedge 29, and first spring 28 that resets of the dual-wedge outside inner shell 3 is compressed, and anti-hypervelocity push-pull bar 9 is already partially pulled out of from inner shell 3 along the plane of slide 4；Anti-accidental movement push-pull bar 26 continues to advance, anti-accidental movement push-pull bar 26, anti-hypervelocity push-pull bar 9 and inner shell 3 is forced to move right, anti-hypervelocity push-pull bar 9 is already partially pulled out of again, and the long slot bore along anti-accidental movement push-pull bar 26 and anti-hypervelocity push-pull bar 9 of the bearing pin 14 on power and energy connecting rod 15 slides；The flat pliers body 5 that period is positioned in inner shell 3 gradually direction guiding rail 1 is close, and second spring 25 that resets of the inner shell between inner shell 3 and shell 2 is compressed；After anti-accidental movement push-pull bar 26 slope advance terminates, beginning and dual-wedge 29 plane contact also continue to advance, and anti-hypervelocity push-pull bar 9 is already partially pulled out of again；When anti-accidental movement push-pull bar 26 is advanced to certain position along the plane of dual-wedge 29, anti-hypervelocity push-pull bar 9 is changed into contact of incline plane with slide 4, slide reset the 3rd spring 6 effect under, flat pliers body 5 moves to the direction away from guide rail 1；Being advancing to the position to anti-accidental movement push-pull bar 26, flat pliers body 5 arrives away from guide rail 1 highest distance position, and this extruding moving process terminates, and safety tongs enters the holding state that car generation accidental movement carries out stop at any time.
Under holding state, at gate to fully opening, people's goods is current, gate begins to shut off, and until gate is closed, necessarily to remain width (such as 100mm) front, if there is accidental movement up or down in car, such as when there occurs accidental movement upwards, this device (in addition to upper wedge caliper 22) being arranged on car synchronizes to move upward；Upper wedge caliper 22 is blocked and this device (including dual-wedge 29) move toward one another by the friction of guide rail 1, by horizontal roller 21, dual-wedge 29 is extruded to the right, inner shell 3 is forced to move right, inner shell second spring 25 that resets continues to be compressed, and the long slot bore along anti-accidental movement push-pull bar 26 and anti-hypervelocity push-pull bar 9 of the bearing pin 14 on power and energy connecting rod 15 slides；Hyposphene caliper 19 and lifting rod 17 move right with dual-wedge 29 simultaneously, and the second pin 23 slips over along the upper left straight flange of lifting rod rhombus lifting groove；Flat pliers body 5 direction guiding rail 1 that period is positioned in inner shell 3 is near until contacting；Car continues upper shifting, makes the flat pliers body 5 contacted with guide rail 1 and upper wedge caliper 22 increase the pressure of guide rail 1 rapidly, forces car to stop mobile, it is ensured that the safety of the car personnel that come in and go out.Disc spring 8 is installed between flat pliers body 5 and slide 4, when stop deceleration is close to tolerance limit value, flat pliers body 5 and the upper wedge caliper 22 pressure to guide rail 1 can be slowed down, make car relatively slowly stop, alleviate the stop impulsive force of passenger in car.
When there occurs downward accidental movement, the work process of this device is similar to said process；Difference is the hyposphene caliper 19 friction retardance and dual-wedge 29 move toward one another by guide rail 1, and the first pin 20 slips over along the lower-left straight flange of lifting rod rhombus lifting groove.
If there is not accidental movement during gate is opened, gate closing motion will make anti-accidental movement push-pull bar 26 exit inner shell 3, in anti-hypervelocity push-pull bar 9 advances inner shell 3 thereafter；Above-mentioned each parts carry out motion rightabout with aforementioned activities therewith, until safety tongs returns to anti-overspeed holding state.
In gate closedown elevator is properly functioning, such as exceeding the speed limit if there is overspeed descending, limiter of speed operating mechanism will make lifting rod 17 move upward relative to car；Rhombus lifting groove lower curved bottom drives the relatively upper shifting of hyposphene caliper 19 by the first pin 20, and hyposphene caliper 19 and lifting rod 17 direction guiding rail 1 are close simultaneously, until hyposphene caliper 19 contacts with guide rail 1；On period, wedge caliper 22 remains stationary as relative to car under the top of guide plate 12,13 and the restriction of upper return spring 30 front and back, and the second pin 23 slides along the upper right straight flange of lifting rod rhombus lifting groove.
Car continues traveling downwardly, lifting rod 17 continues relative upper shifting with hyposphene caliper 19, dual-wedge 29 is extruded to the right, inner shell 3 entirety is forced to move right, spring 25 is compressed, the bearing pin 14 on power and energy connecting rod 15 long slot bore along anti-accidental movement push-pull bar 26 and anti-hypervelocity push-pull bar 9 slides, and the second pin 23 continues to slide along the upper right straight flange of lifting rod rhombus lifting groove, and flat pliers body 5 direction guiding rail 1 is near until contacting with guide rail 1；
Hereafter car continues traveling downwardly, and the frictional force between flat pliers body 5 and hyposphene caliper 19 and guide rail 1 increases rapidly, makes car stop on guide rail 1.
When occurring that hypervelocity is up, the work process of this device is similar to said process；Difference is that rhombus lifting groove upper arcuate top drives upper wedge caliper 22 relatively to move down by the second pin 23, and the first pin 20 slides along the bottom right straight flange of lifting rod rhombus lifting groove.
In gate closedown elevator is properly functioning, if there is not overspeed, this device is maintained at the holding state preventing elevator overspeed from running, until elevator stops, gate is opened, this device enters the holding state preventing car accidental movement as previously mentioned.
Claims (8)
- nullThe most anti-accidental movement and the dual-purpose bidirectional safety tongs of anti-hypervelocity，The bidirectional safety tongs body being fastened on guide rail including front openings，Lifting rod is positioned at the side of guide rail，Bidirectional safety tongs body includes shell，Inner shell it is provided with in shell，Inner shell can slide in the groove inside the upper and lower wall of shell，Housing back wall is provided with opening，Inner shell is provided with the horizontal tube chamber extended to outside opening，Described inner shell inner chamber is positioned on the right side of guide rail and is provided with、Hyposphene caliper and dual-wedge，On、It is provided with roller between hyposphene caliper and the inclined-plane of dual-wedge，On、Hyposphene caliper can slide along dual-wedge，It is characterized in that: in inner shell inner chamber, be positioned on the left of guide rail the brake unit that is provided with，Brake unit、Anti-hypervelocity and anti-accidental movement conversion equipment it is provided with between dual-wedge and inner shell，Anti-hypervelocity and anti-accidental movement conversion equipment are driven by state of elevator detection device，Anti-hypervelocity and anti-accidental movement conversion equipment with inner shell for being slidably connected，On、The pin being connected with lifting rod it is provided with on hyposphene caliper，The special shape chute coordinated with pin it is provided with on lifting rod，Lifting rod is connected with speed-limitation structure，When car door is in open mode，State of elevator detection device drives anti-hypervelocity and anti-accidental movement conversion equipment to rotate，Bidirectional safety tongs body is made to enter anti-accidental movement state，Make、Hyposphene caliper and guide rail contact，When elevator generation accidental movement，Bidirectional safety tongs body clamping guide-rail，When car door is closed，State of elevator detection device drives anti-hypervelocity and anti-accidental movement conversion equipment to rotate，Bidirectional safety tongs body is made to enter anti-overspeed condition，When elevator runs situation hypervelocity occur，Limiter of speed drives lifting rod to the opposite direction motion moved relative to car，Lifting rod drives up or down wedge caliper to move by pin，Make bidirectional safety tongs body clamping guide-rail.
- Anti-accidental movement the most according to claim 1 and the dual-purpose bidirectional safety tongs of anti-hypervelocity, it is characterised in that: the special shape chute on lifting rod is the diamond structure with fillet.
- Anti-accidental movement the most according to claim 1 and the dual-purpose bidirectional safety tongs of anti-hypervelocity, it is characterized in that: brake unit includes slide peace caliper, being provided with buffer unit between slide and flat pliers body, flat pliers body is positioned between slide and guide rail, slide can along inner shell the slide in lower wall.
- Anti-accidental movement the most according to claim 3 and the dual-purpose bidirectional safety tongs of anti-hypervelocity, it is characterized in that: buffer unit includes that one end is fixedly connected on flat pliers body, the 5th horizontal screw bolt that the other end and slide are slidably connected, the 5th horizontal screw bolt is set with the disc spring for buffering.
- 5. according to the anti-accidental movement described in claim 3 or 4 and the dual-purpose bidirectional safety tongs of anti-hypervelocity, it is characterised in that: it is provided with slide return mechanism on inner shell.
- Anti-accidental movement the most according to claim 3 and the dual-purpose bidirectional safety tongs of anti-hypervelocity, it is characterized in that: anti-hypervelocity and anti-accidental movement conversion equipment include that one end is arranged on anti-hypervelocity push-pull bar that the other end between slide with inner shell is flexibly connected with power and energy connecting rod and one end is arranged on the anti-accidental movement push-pull bar that between dual-wedge with inner shell, the other end is flexibly connected with power and energy connecting rod, power and energy connecting rod is fixed by connecting rod rotating shaft, and anti-hypervelocity push-pull bar and anti-accidental movement push-pull bar are positioned at the both sides of connecting rod rotating shaft.
- Anti-accidental movement the most according to claim 6 and the dual-purpose bidirectional safety tongs of anti-hypervelocity, it is characterized in that: on anti-hypervelocity push-pull bar and anti-accidental movement push-pull bar, be provided with long slot bore, power and energy connecting rod is connected with state of elevator detection device, when power and energy connecting rod rotates under state of elevator detection device effect, power and energy connecting rod drives anti-hypervelocity push-pull bar and anti-accidental movement push-pull bar to slide along above-mentioned long slot bore.
- Anti-accidental movement the most according to claim 6 and the dual-purpose bidirectional safety tongs of anti-hypervelocity, it is characterized in that: anti-hypervelocity push-pull bar slides between inner shell and slide, anti-hypervelocity push-pull bar front end is stairstepping, it is chamfered transition between ladder, slide is provided with the face coordinated with inclined-plane, anti-hypervelocity push-pull bar front end；Anti-accidental movement push-pull bar slides between dual-wedge and inner shell, anti-accidental movement push-pull bar front end is stairstepping, it it is chamfered transition between ladder, the face coordinated with inclined-plane, anti-accidental movement push-pull bar front end it is provided with on dual-wedge, car door from closed mode become open mode time, state of elevator detection device drives power and energy link rotatable, anti-hypervelocity push-pull bar pulls out between slide and inner shell, on front side of anti-hypervelocity push-pull bar, inclined-plane contacts with slide, simultaneously, anti-accidental movement push-pull bar pushes between dual-wedge and inner shell under the effect of function connecting rod, anti-accidental movement push-pull bar and dual-wedge are become plane contact from contact of incline plane, anti-accidental movement push-pull bar drives dual-wedge motion, make, hyposphene caliper and guide rail contact；When car door is become closed mode from open mode, state of elevator detection device drives power and energy link rotatable, anti-hypervelocity push-pull bar pushes between slide and inner shell, anti-hypervelocity push-pull bar and slide are become plane contact from contact of incline plane, simultaneously, anti-accidental movement push-pull bar pulls out under the effect of function connecting rod, and inclined-plane, anti-accidental movement push-pull bar front end contacts with dual-wedge.
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| CN201610400969 | 2016-06-08 | ||
| CN2016104009697 | 2016-06-08 |
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| 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 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429707A (en) * | 2016-11-22 | 2017-02-22 | 中山南区电梯工程研究院有限公司 | Bidirectional safety tongs used in elevators and elevator device |
| CN109911739A (en) * | 2019-03-18 | 2019-06-21 | 杭州优迈科技有限公司 | A kind of bidirectional safety tongs for elevator and elevator |
| CN111099477A (en) * | 2018-10-26 | 2020-05-05 | 奥的斯电梯公司 | Elevator brake mechanism |
| CN111977488A (en) * | 2020-09-09 | 2020-11-24 | 山东劳动职业技术学院（山东劳动技师学院） | Bidirectional safety tongs for elevator |
| CN112573323A (en) * | 2020-12-18 | 2021-03-30 | 施密特电梯有限公司 | High security performance big goods ladder |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201261670Y (en) * | 2008-09-02 | 2009-06-24 | 徐香顺 | Safety tong with speed limiting and anti-falling functions |
| 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 |
| US20120205198A1 (en) * | 2009-10-28 | 2012-08-16 | Mitsubishi Electric Corporation | Emergency stop device for elevators |
| 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 |
| CN105016166A (en) * | 2015-08-13 | 2015-11-04 | 卫小兵 | Two-way safety gear used for preventing lift car from moving accidentally |
| CN204823562U (en) * | 2015-08-10 | 2015-12-02 | 刘德民 | Gradual two -way rope ware that presss from both sides |
| CN205772609U (en) * | 2016-06-08 | 2016-12-07 | 中国船舶重工集团公司第七一三研究所 | Anti-accidental movement and the dual-purpose bidirectional safety tongs of anti-hypervelocity |
-
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
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201261670Y (en) * | 2008-09-02 | 2009-06-24 | 徐香顺 | Safety tong with speed limiting and anti-falling functions |
| US20120205198A1 (en) * | 2009-10-28 | 2012-08-16 | Mitsubishi Electric Corporation | Emergency stop 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 |
| CN105016166A (en) * | 2015-08-13 | 2015-11-04 | 卫小兵 | Two-way safety gear used for preventing lift car from moving accidentally |
| CN205772609U (en) * | 2016-06-08 | 2016-12-07 | 中国船舶重工集团公司第七一三研究所 | Anti-accidental movement and the dual-purpose bidirectional safety tongs of anti-hypervelocity |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429707A (en) * | 2016-11-22 | 2017-02-22 | 中山南区电梯工程研究院有限公司 | Bidirectional safety tongs used in elevators and elevator device |
| 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 |
| CN111099477A (en) * | 2018-10-26 | 2020-05-05 | 奥的斯电梯公司 | Elevator brake mechanism |
| US11242222B2 (en) | 2018-10-26 | 2022-02-08 | Otis Elevator Company | Elevator braking device mechanism |
| CN111099477B (en) * | 2018-10-26 | 2022-06-10 | 奥的斯电梯公司 | Elevator brake mechanism |
| US11724912B2 (en) | 2018-10-26 | 2023-08-15 | Otis Elevator Company | Elevator braking device mechanism |
| CN109911739A (en) * | 2019-03-18 | 2019-06-21 | 杭州优迈科技有限公司 | A kind of bidirectional safety tongs for elevator and elevator |
| 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 |
| CN111977488A (en) * | 2020-09-09 | 2020-11-24 | 山东劳动职业技术学院（山东劳动技师学院） | Bidirectional safety tongs for elevator |
| CN112573323A (en) * | 2020-12-18 | 2021-03-30 | 施密特电梯有限公司 | High security performance big goods ladder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205772609U (en) | 2016-12-07 |
| CN105905739B (en) | 2018-06-22 |
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