CN109081217A

CN109081217A - The speed limit catching device of high-protection level applied to elevator

Info

Publication number: CN109081217A
Application number: CN201811336354.8A
Authority: CN
Inventors: 杨传前
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2018-12-25

Abstract

The invention discloses the speed limit catching devices for the high-protection level for being applied to elevator, it includes the mounting shell for being installed in moving object and connecting with guide rail, trigger device positioned at guide rail side and with guide rail conflict is installed on mounting shell, the brake apparatus for braking motion object being connect with trigger device, trigger device is arranged to switch between triggering state and non-triggering state, trigger device is used to incude movement of the moving object in guide rail guide direction and trigger device is rotated and moves, driving device is additionally provided on mounting shell, mounting shell offers the guide groove to match with guide rail, above-mentioned trigger device includes triggering rotary shaft, velocity response mechanism, triggering rotary shaft is movably connected on driving device and triggering rotary shaft can be around own axis, the central axis upright of rotary shaft is triggered in mounting shell.

Description

The speed limit catching device of high-protection level applied to elevator

Technical field

The present invention relates to catching devices, more particularly to the speed limit catching device of the high-protection level applied to elevator.

Background technique

Catching device is called speed difference device, can lock dropped object apart from interior fast braking limiting, catching device is mainly used in The security protection of elevator, elevator avoids the quick downslide of elevator, elevator from causing to damage to personnel, equipment,

Elevator brake moment can produce huge impact force in braking due to the huge inertia of entire lift facility, existing Catching device uses friction catch, but existing poor using the catching device braking effect of friction catch, needs to be further improved.

Summary of the invention

To solve the deficiencies in the prior art, it is anti-that the object of the present invention is to provide the speed limits for the high-protection level for being applied to elevator Fall device.

To realize the above-mentioned technical purpose, the technical solution adopted in the present invention is as follows:

The speed limit catching device of high-protection level applied to elevator comprising the peace for being installed in moving object and being connect with guide rail Shell is filled, is equipped on mounting shell positioned at guide rail side and what is connect with the trigger device of guide rail conflict, with trigger device is used to make The brake apparatus of dynamic moving object, trigger device are arranged to switch between triggering state and non-triggering state, triggering dress It sets and is moved for incuding movement of the moving object in guide rail guide direction and rotating trigger device, on mounting shell also It is provided with driving device；

Above-mentioned mounting shell offers the guide groove to match with guide rail；

Above-mentioned trigger device include triggering rotary shaft, velocity response mechanism, triggering rotary shaft be movably connected on driving device and The central axis upright that triggering rotary shaft around own axis, can trigger rotary shaft triggers the suspension of rotary shaft in mounting shell End outer, coaxial is socketed with the rotation trigger member contradicted with guide rail, and rotation trigger member is for incuding moving object along guide rail guiding side Upward movement simultaneously to rotate trigger member around own axis, and velocity response mechanism is set to rotation trigger member and speed Induction mechanism can incude the rotation speed of rotation trigger member, and velocity response mechanism is connected with induction bindiny mechanism, incudes connection machine Structure is between rotation trigger member and mounting shell and induction bindiny mechanism connects brake apparatus, and induction bindiny mechanism is arranged to even It connects and is switched between state and off-state；

The rotation trigger member is idler wheel, and the circumferential surface of idler wheel contradicts guide rail；

Above-mentioned velocity response mechanism includes the velocity response guiding groove being opened on idler wheel, and velocity response guiding groove runs through idler wheel Wall thickness and through direction be parallel to the axis direction of idler wheel, velocity response guiding groove between idler wheel axis and circumferential surface it Between, velocity response guiding bar is provided in velocity response guiding groove, velocity response guiding bar is radially arranged along idler wheel, velocity response The outer cover of guiding bar is equipped with velocity response elastic component, and the outside of velocity response guiding bar is also arranged with and velocity response guiding groove Matched velocity response sliding block, the velocity response sliding block close on the axis of idler wheel, and one end of velocity response elastic component contradicts Velocity response sliding block, the velocity response elastic component other end contradict velocity response and guide groove groove wall, the elastic force of velocity response elastic component Driving velocity incudes the axis that sliding block is biased to idler wheel, and velocity response elastic component is compressed spring；

Above-mentioned induction bindiny mechanism includes the driving force member being flexibly connected with velocity response sliding block, is socketed on triggering rotary shaft External power output part, power output part can be connect simultaneously around own axis, power output part with brake apparatus Realize the transmission of power, between idler wheel and mounting shell, the output end of driving force member connects the power output part Be slidably connected component；

The component that is slidably connected includes that the induction guiding bar radially arranged along idler wheel and induction guiding bar constitute slide-and-guide The conflict bar of cooperation contradicts bar and connect with driving force member；

The driving force member and idler wheel is hinged and hinged shaft core line is parallel to the axis of idler wheel, driving force member is arc Bar, for the concave face of curved rod towards the axis of idler wheel, the both ends of curved rod offer the arc groove concentric with curved rod, speed sense It answers and is provided with active sliding block on sliding block, active sliding block is located in the arc groove of range rate induction sliding block and constitutes slide-and-guide and matches It closes, above-mentioned conflict bar is provided with driven sliding block, and driven sliding block, which is located at, closes in the arc groove for contradicting bar and constitute slide-and-guide Cooperation；

Above-mentioned power output part includes and contradicts the power output driving wheel of bar cooperation, coaxially sets with power output driving wheel The power output driven wheel set and rotated synchronously, power output driven wheel are connect with brake apparatus, power output driving wheel and dynamic Power output driven wheel be fixedly connected, and power output part coaxially offer it is driven through power output driving wheel and power output Wheel axis direction wall thickness with triggering the matched through hole of rotary shaft；

Above-mentioned brake apparatus includes that the braking guiding mechanism being set on mounting shell and braking guiding mechanism constitute slide-and-guide Stressed plate, the grip block of cooperation, stressed plate are connect with above-mentioned power output driven wheel；

Above-mentioned braking guiding mechanism includes the braking directing plate of vertical guide rail extending direction arrangement, brakes and is provided on directing plate The braking guiding bar of guide direction vertical guide rail, stressed plate and braking guiding bar constitute slide-and-guide cooperation, stressed plate and braking Guiding bar with contradict bar and induction the connection relationship of guiding bar it is consistent, the side of stressed plate towards power output part be provided with and The rack gear of power output driven wheel engagement, braking guiding mechanism further include that the one end for closing on guide rail with braking directing plate is correspondingly arranged Correspondence directing plate, corresponding directing plate and brake directing plate and close on one end of guide rail and offer braking guiding groove, grip block is set It is placed between corresponding directing plate and braking directing plate and constitutes slide-and-guide cooperation with braking guiding groove, grip block is provided with up and down The reset components of arrangement, two reset components are placed in the side of grip block, and the reset components are reset spring, reset spring One end contradict grip block, the other end of reset spring contradicts braking guiding mechanism, the elastic force of reset spring pushes grip block inclined From guide rail；

The grip block includes clamping block body, is provided on clamping block body and constitutes slide-and-guide cooperation with braking guiding groove And the clamping slider contradicted with reset spring, it is provided with and wears reset spring inner cavity in clamping slider and braking guiding mechanism Guide post is braked, braking guiding mechanism is connect with grip block by sliding connector, and the sliding connector is to be set to braking Braking guiding chute in guiding mechanism, be set to clamping block body and with the matched braking guidance cunning of braking guiding chute Block；

Above-mentioned triggering rotary shaft outer cover is equipped with Fang Diansha mechanism, and Fang Diansha mechanism is located at the outside of idler wheel, triggers rotary shaft Suspension end be provided with triggering nut, Fang Diansha mechanism is between triggering nut and idler wheel；

Above-mentioned Fang Diansha mechanism includes anti-point brake plectane, the anti-point brake clockwork spring that coaxial sleeve is set to outside triggering rotary shaft, anti-point Brake plectane coaxially offers anti-point brake mounting groove towards the side of idler wheel, and anti-point brake clockwork spring coaxial arrangement is in anti-point brake mounting groove Interior, one end of anti-point brake clockwork spring is connect with the cell wall of anti-point brake mounting groove, the other end of anti-point brake clockwork spring is connect with idler wheel, anti-point The periphery of brake plectane is provided with the connecting rod radially arranged along idler wheel, and the suspension end of connecting rod is provided with system and moves back plate, and anti-point is stopped Mechanism further includes the anti-point brake mounting groove for being opened on idler wheel and being connected to velocity response guiding groove, and system moves back plate and is set to anti-point brake Mounting groove is interior and system moves back plate to move to velocity response guiding groove by anti-point brake mounting groove, and velocity response sliding block moves back plate towards system Side be provided with along velocity response length direction arrangement helical teeth a, system move back one end of the plate towards velocity response sliding block Wall is provided with the helical teeth b to match with helical teeth a, and helical teeth b is engaged with helical teeth a can limit velocity response sliding block towards roller axis fortune Dynamic and velocity response sliding block can be moved unidirectionally towards the periphery of idler wheel；

The brake apparatus is additionally provided with insurance institution, and above-mentioned braking directing plate is provided with braking peace away from one end of guide rail It shelves, the insurance institution is set on braking mounting rack, and insurance institution includes the support being flexibly connected with braking mounting rack Frame, support frame include mounting cylinder, mounting cylinder includes horizontally disposed horizontal cylinder, the vertical cylinder that is vertically arranged, be located at horizontal cylinder with Connecting cylinder between vertical cylinder, the length direction for being axially parallel to braking directing plate of the horizontal cylinder, the interior setting of vertical cylinder Have and unidirectionally push component, push-pull rod is coaxially arranged in horizontal cylinder, one end of push-pull rod is flexibly connected with stressed plate, push-pull rod Hinged and hinged shaft core line is oriented parallel to trigger the axial direction of rotary shaft, push-pull rod with one end that stressed plate closes on push-pull rod for one end The other end be located at horizontal tube inner chamber, one end that push-pull rod is located at horizontal tube inner chamber is provided with and the matched valve of horizontal tube inner chamber Core, spool can be slided along horizontal tube inner chamber, and the suspension end of horizontal cylinder is provided with the built-in step that can limit valve core movement, connecting cylinder Inner cavity and between spool and unidirectionally pushing is provided with several for the active force for unidirectionally pushing component to be transferred to valve between component The ball of core, the above-mentioned unidirectional component that pushes can unidirectionally push ball and ball made to contradict spool；

The above-mentioned component that unidirectionally pushes includes the installation lid positioned at vertical cylinder top, and installation lid offers the peace coaxial with vertical cylinder Fill hole, matching is provided with bored roll in mounting hole, bored roll offer with vertical cylinder it is coaxial unidirectionally push through hole, list Rotary shaft unidirectionally is pushed to pushing to match to be equipped in through hole, the both ends for unidirectionally pushing rotary shaft, which are stretched out unidirectionally to push, to be run through Hole, unidirectionally pushing rotary shaft includes light bar segment, thread segment, and light bar segment is located in bored roll and is provided with rotation at the top of light bar segment Handle, thread segment are located at vertical tube inner chamber, and thread segment outer cover is used to push pushing away for ball equipped with what is be threadedly coupled with thread segment Cylinder, the outer cover of pushing cylinder are equipped with the sleeve for being fixedly connected with pushing cylinder and being slidably connected with vertical tube inner chamber, the cross section of sleeve For any one in the polygons such as triangle, quadrangle, sleeve is slideably positioned in vertical tube inner chamber and sleeve can not be around certainly Body rotation, bored roll inner cavity are provided with and unidirectionally push the unidirectional of concentric rotation axis and push clockwork spring, unidirectionally push the one of clockwork spring The other end that end is fixedly connected with light bar segment, unidirectionally pushes clockwork spring is fixedly connected with bored roll, the circle of above-mentioned bored roll Perimeter surface is provided with helical teeth c, and installation, which covers, is additionally provided with limitation that is matched with helical teeth c and can limiting bored roll one-directional rotation Component；

Above-mentioned limitation component includes the limitation mounting groove for being opened in installation lid and being connected to above-mentioned mounting hole, limits mounting groove It is inside provided with and contradicts helical teeth c with the matched restriction plate of helical teeth c, restriction plate and limit bored roll one-directional rotation, limit mounting groove Inside be additionally provided with the helical spring that driving restriction plate contradicts helical teeth c, one end of helical spring contradict restriction plate, helical spring it is another One end contradicts installation lid, and the elastic force of helical spring pushes restriction plate to be biased to helical teeth c；

For above-mentioned power output part by power output connector connection triggering rotary shaft, power output part is defeated by power For connector driving triggering rotary shaft around own axis, the power output connector is to be set in triggering rotary shaft out Power output flat key, be set on power output part with the matched power output keyway of power output flat key.

The further improvement of above scheme.

Above-mentioned driving device includes the driving mounting slot being opened on mounting shell, and the extending direction of driving mounting slot is vertical Guiding mechanism and the driving matched driving sliding block of guiding mechanism, driving mounting slot are driven in being equipped in guide rail, driving mounting slot It is inside additionally provided with the extending direction screw rod parallel with the guide direction of guiding mechanism is driven, driving sliding block offers coaxial with screw rod Driving mounting hole, drive in mounting hole and be provided with screw component, driving sliding block is connect by screw component with screw rod, screw rod and Mounting shell is fixedly connected, and drives the driving driver being provided on sliding block for the rotary force for triggering rotary shaft to be transferred to screw rod Structure, above-mentioned triggering rotary shaft pass through driving sliding block and connect with drive transmission device, trigger the output end connection driving of rotary shaft The driving end of transmission mechanism, the driving end of the output end connection wire rod of drive transmission device.

The further improvement of above scheme.

Above-mentioned driving guiding mechanism be placed in screw rod side and in upper rail arranged up and down, lower railway, drive Movable slider is between upper rail and lower railway and driving sliding block cooperates with upper rail and lower railway composition slide-and-guide；

Above-mentioned drive transmission device includes the driving that coaxial sleeve is set to outside one end of triggering rotary shaft adjacent driving sliding block One driving wheel, the first driven wheel of driving engaged with the first driving wheel of driving, the first driven wheel of driving and driving sliding block activity connect Connecing and driving the first driven wheel can further include being coaxially disposed with the first driven wheel of driving around own axis, drive transmission device And the second driving wheel of driving rotated synchronously, the second driven wheel of driving engaged with the second driving wheel of driving, driving second are driven Wheel is movably set in the outside of screw rod, and second driven wheel of driving is connect by screw component with driving sliding block；

It drives the first driving wheel and the first driven wheel of driving is straight spur gear, the second driving wheel of driving and driving second are driven Wheel is bevel gear.

The beneficial effect of the present invention compared with prior art is: catching device is braked by velocity response, works as moving object When moving too fast on vertical direction or horizontal direction, that is, it can trigger catching device work, clever structure, to component manufacture, installation Required precision it is relatively low, be easily installed and adjust, braking is steady, and highly reliable, manufacture mounting and adjusting is easy, the response time It is short, protect the safety of moving object.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure does simple introduction, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is structural schematic diagram of the invention.

Fig. 3 is structural schematic diagram of the invention.

Fig. 4 is mounting shell structural schematic diagram of the invention.

Fig. 5 is mounting shell and brake apparatus attachment structure schematic diagram of the invention.

Fig. 6 is trigger device and brake apparatus attachment structure schematic diagram of the invention.

Fig. 7 is trigger device and brake apparatus attachment structure schematic diagram of the invention.

Fig. 8 is mounting shell and driving device attachment structure schematic diagram of the invention.

Fig. 9 is trigger device and driving device attachment structure schematic diagram of the invention.

Figure 10 is trigger device structural schematic diagram of the invention.

Figure 11 is trigger device structural schematic diagram of the invention.

Figure 12 is triggering rotation axis structure diagram of the invention.

Figure 13 is rotation trigger member and triggering rotary shaft attachment structure schematic diagram of the invention.

Figure 14 is rotation trigger member and velocity response mechanism attachment structure schematic diagram of the invention.

Figure 15 is rotation trigger member and velocity response mechanism attachment structure schematic diagram of the invention.

Figure 16 is rotation trigger member and velocity response mechanism of the invention, induction bindiny mechanism's attachment structure schematic diagram.

Figure 17 is rotation trigger member and velocity response mechanism attachment structure schematic diagram of the invention.

Figure 18 is velocity response mechanism structure schematic diagram of the invention.

Figure 19 is velocity response mechanism and induction bindiny mechanism's attachment structure schematic diagram of the invention.

Figure 20 is induction bindiny mechanism off-state structural schematic diagram of the invention.

Figure 21 is induction bindiny mechanism connection status structural schematic diagram of the invention.

Figure 22 is power output part structural schematic diagram of the invention.

Figure 23 is triggering rotary shaft and power output part, Fang Diansha mechanism attachment structure schematic diagram of the invention.

Figure 24 is anti-point brake mechanism structure schematic diagram of the invention.

Figure 25 is anti-point brake mechanism structure schematic diagram of the invention.

Figure 26 is Fang Diansha mechanism partial structural diagram of the invention.

Figure 27 is triggering rotary shaft and rotation trigger member, power output part, Fang Diansha mechanism connection structure of the invention Schematic diagram.

Figure 28 is power output part and stressed plate attachment structure schematic diagram of the invention.

Figure 29 is brake device structure schematic diagram of the invention.

Figure 30 is braking guiding mechanism structural schematic diagram of the invention.

Figure 31 is grip block structural schematic diagram of the invention.

Figure 32 is insurance institution's structural schematic diagram of the invention.

Figure 33 is insurance institution's cross-sectional view of the invention.

Figure 34 is insurance institution's partial sectional view of the invention.

Figure 35 is insurance institution's partial sectional view of the invention.

Figure 36 is insurance institution's partial sectional view of the invention.

Figure 37 is insurance institution's partial structural diagram of the invention.

Figure 38 is trigger device and driving device attachment structure schematic diagram of the invention.

Figure 39 is inventive drive means structural schematic diagram.

Figure 40 is drive transmission device structural schematic diagram of the invention.

Figure 41 is drive transmission device structural schematic diagram of the invention.

Figure 42 is inventive drive means partial sectional view.

Figure 43 is fixed mechanism structural schematic diagram of the invention.

Figure 44 is fixed mechanism structural schematic diagram of the invention.

Figure 45 is fixed mechanism structural schematic diagram of the invention.

It is denoted as in figure:

100, mounting shell；110, guide groove；

200, trigger device；210, rotary shaft is triggered；220, trigger member is rotated；230, velocity response mechanism；231, velocity response Guiding groove；232, velocity response guiding bar；233, velocity response elastic component；234, velocity response sliding block；235, active sliding block； 240, Fang Diansha mechanism；241, anti-point brake plectane；242, anti-point brake clockwork spring；243, connecting rod；244, system moves back plate；245, anti-point is stopped Mounting groove；250, incude bindiny mechanism；251, driving force member；252, bar is contradicted；253, incude guiding bar；254, power output Component；

300, brake apparatus；310, guiding mechanism is braked；311, directing plate is braked；312, guiding bar is braked；313, corresponding guidance Plate；314, guiding groove is braked；315, guiding chute is braked；316, mounting rack is braked；320, stressed plate；330, grip block；331, Clamp block body；332, clamping slider；333, guide shoe；334, reset components；340, insurance institution；341, push-pull rod； 342, support frame；343, component is unidirectionally pushed；343a, rotating handles；343b, installation lid；343c, sleeve；343d, pushing cylinder； 343e, bored roll；343f, rotary shaft is unidirectionally pushed；343g, clockwork spring is unidirectionally pushed；343h, restriction plate；343i, spiral bullet Spring；344, ball；

400, driving device；410, drive transmission device；411, the first driving wheel is driven；412, the first driven wheel is driven；413, Drive the second driving wheel；414, the second driven wheel is driven；415, the first loop bar；416, the external step of screw；417, anti-lock group Part；418, the second loop bar；420, screw rod；430, sliding block is driven；440, guiding mechanism is driven；450, fixed mechanism；451, fixed Mounting rack；452, fixed limiting slot；453, fixed chute；454, fixed glides；455, fixed gag lever post.

Specific embodiment

In order to which objects and advantages of the present invention are more clearly understood, the present invention is carried out specifically with reference to embodiments It is bright.It should be appreciated that following text is only used to describe one or more of specific embodiments of the invention, not to the present invention The protection scope specifically requested carries out considered critical.

Picture 1-4 shown in 5, the speed limit catching device of the high-protection level applied to elevator comprising be installed on moving object Mounting shell 100 that is upper and connect with guide rail is equipped with the trigger device positioned at guide rail side and with guide rail conflict on mounting shell 100 200, the brake apparatus 300 for braking motion object connecting with trigger device 200, trigger device 200 are arranged to triggering It is switched between state and non-triggering state, trigger device 200 is for incuding fortune of the moving object in guide rail guide direction It moves and trigger device 200 is made to rotate movement, when movement velocity of the moving object on guide rail is greater than critical value, triggering Device 200 switches to triggering state by non-triggering state, and brake apparatus 300 can receive the rotation of the transmitting of trigger device 200 at this time Power simultaneously under the driving of rotary force towards guide rail move, brake apparatus 300 contradict guide rail, brake apparatus 300 by with guide rail into Row sliding friction is to brake moving object.

Catching device is braked by velocity response, when moving object moves too fast on vertical direction or horizontal direction, i.e., It can trigger catching device work, clever structure manufactures component, the required precision of installation is relatively low, is easily installed and adjusts, braking Steadily, highly reliable, manufacture mounting and adjusting is easy, and the response time is short, protects the safety of moving object.

As shown in figure 4, above-mentioned mounting shell 100 offers the guide groove 110 to match with guide rail.

As shown in Figure 10-22, above-mentioned trigger device 200 includes the triggering rotary shaft being fixedly connected with mounting shell 100 210, velocity response mechanism 230 triggers the central axis upright of rotary shaft 210 in mounting shell 100, triggers the outstanding of rotary shaft 210 It sets end outer, coaxial and is socketed with the rotation trigger member 220 contradicted with guide rail, rotation trigger member 220 is led for incuding moving object edge Movement in rail guide direction simultaneously to rotate trigger member 220 around own axis, and velocity response mechanism 230 is set to rotation Trigger member 220 and velocity response mechanism 230 can incude the rotation speed of rotation trigger member 220, and velocity response mechanism 230 connects There is induction bindiny mechanism 250, induction bindiny mechanism 250 is between rotation trigger member 220 and mounting shell 100 and incudes connection machine Structure 250 connects brake apparatus 300, and induction bindiny mechanism 250 is arranged to switch between connection status and off-state, transport When animal body proper motion, rotation trigger member 220 incudes moving object along the movement of guide rail direction and to rotate trigger member 220 Around own axis, velocity response mechanism 230 remain stationary state, and induction bindiny mechanism 250 is in an off state, and induction connects Connection mechanism 250 when moving object movement velocity is more than critical value, cannot rotate trigger member 220 to 300 transfer motion power of brake apparatus Around own axis and rotate fast, the centrifugal force and centrifugal force driving speed induction machine of the rotation generation strength of trigger member 220 Structure 230 moves, and velocity response mechanism 230, which moves and controls induction bindiny mechanism 250, switches to connection status by off-state, this When brake apparatus 300 can receive induction bindiny mechanism 250 transmit power and contradict guide rail.

More specifically, the rotation trigger member 220 is idler wheel, and the circumferential surface of idler wheel contradicts guide rail, in order to avoid Phenomenon is had skidded, and in order to increase coefficient of friction, the circumferential surface of idler wheel is provided with form friction pattern, specifically, form friction pattern is edge The strip convex block that idler wheel circumferential surface is evenly spaced on.

Above-mentioned velocity response mechanism 230 includes the velocity response guiding groove 231 being opened on idler wheel, velocity response guidance Slot 231 is parallel to the axis direction of idler wheel through the wall thickness and through direction of idler wheel, for the centrifugal force convenient for efficient reception idler wheel, The velocity response guiding groove 231 is radially arranged along idler wheel, it is preferred that axis of the velocity response guiding groove 231 between idler wheel Between circumferential surface, velocity response guiding bar 232,232 edge of velocity response guiding bar are provided in velocity response guiding groove 231 Idler wheel radially arranges that the outer cover of velocity response guiding bar 232 is equipped with velocity response elastic component 233, velocity response guiding bar 232 Outside be also arranged with the matched velocity response sliding block 234 of velocity response guiding groove 231, velocity response sliding block 234 is in speed Incude guiding groove 231 guiding role under can sliding axially along velocity response guiding bar 232, the velocity response sliding block 234 close on the axis of idler wheel, and one end of velocity response elastic component 233 contradicts velocity response sliding block 234, velocity response elastic component 233 other ends contradict 231 cell wall of velocity response guiding groove, and the elastic force driving velocity of velocity response elastic component 233 incudes sliding block 234 It is biased to the axis of idler wheel, it is preferred that velocity response elastic component 233 is compressed spring；When moving object proper motion, idler wheel revolving speed Small, centrifugal force is small, and the velocity response sliding block 234 under centrifugal force effect is difficult to overcome the elastic force of velocity response elastic component 233, works as fortune When the movement velocity of animal body exceeds critical value, idler wheel revolving speed is big, and centrifugal force is big, the velocity response sliding block under centrifugal force effect 234 circumferential surfaces for overcoming the elastic force of velocity response elastic component 233 towards idler wheel move, the driving induction of velocity response sliding block 234 Bindiny mechanism 250 switches to connection status by off-state.

Above-mentioned induction bindiny mechanism 250 includes the driving force member 251 being flexibly connected with velocity response sliding block 234, set The power output part 254 being connected to outside triggering rotary shaft 210, power output part 254 can be around own axis, and power is defeated Component 254 connect with brake apparatus 300 and realizes the transmission of power out, and the power output part 254 is between idler wheel and peace It fills between shell 100, the output end of driving force member 251 is connected with the component that is slidably connected, and velocity response sliding block 234 is passed by power The driving of moving part 251 is slidably connected component towards the movement of power output part 254 and connect with power output part 254, realizes rolling Wheel is rotated synchronously with power output part 254, guarantees the continuity of power transmission.

More specifically, the component that is slidably connected includes the induction guiding bar 253 radially arranged along idler wheel and induction Guiding bar 253 constitutes the conflict bar 252 of slide-and-guide cooperation, contradicts bar 252 and connect with driving force member 251, contradicts bar 252 and exists Channeling direction under the action of driving force member 251 along induction guiding bar 253 is moved towards power output part 254, it is preferred that It is fallen to avoid contradicting bar 252 from induction guiding bar 253, the cross section of induction guiding bar 253 is arranged to trapezoidal, and trapezoidal cross The upper bottom edge in section is bonded idler wheel.

It offsets each other under the action of the centrifugal force active force to avoid contradicting bar 252 and velocity response sliding block 234, velocity response The quality of sliding block 234 is greater than the quality for contradicting bar 252, advanced optimizes, and the quality of velocity response sliding block 234 is to contradict bar Twice or more of 252 mass.

More specifically, the driving force member 251 and idler wheel is hinged and hinged shaft core line is parallel to the axis of idler wheel, Driving force member 251 is curved rod, and the concave face of curved rod is towards the axis of idler wheel, and the both ends of curved rod offer and curved rod Concentric arc groove, active sliding block 235 is provided on velocity response sliding block 234, and active sliding block 235 is located at range rate induction and slides In the arc groove of block 234 and slide-and-guide cooperation is constituted, above-mentioned conflict bar 252 is provided with driven sliding block, and driven sliding block is located at It closes in the arc groove for contradicting bar 252 and constitutes slide-and-guide cooperation.

Above-mentioned power output part 254 includes and contradicts the power output driving wheel and power output master that bar 252 cooperates Power output driven wheel driving wheel coaxial arrangement and rotated synchronously, power output driven wheel are connect with brake apparatus 300, and power is defeated Driving wheel is fixedly connected with power output driven wheel out, and power output part 254 is coaxially offered through power output actively Wheel and power output driven wheel axis direction wall thickness and triggering rotary shaft 210 matched through hole.

Above-mentioned velocity response mechanism 230, driving force member 251, conflict bar 252 and induction guiding bar 253 constitutes mechanism A, occurs unexpected when to avoid power transmission, further increase stability and reliability, the mechanism a be provided with several and Circumferencial direction along idler wheel is evenly spaced on, and reliability can be improved in multiple groups mechanism a, difficult when single group mechanism a being avoided to break down To complete to brake moving object.

As shown in Figure 28-37, above-mentioned brake apparatus 300 includes the braking guiding mechanism being set on mounting shell 100 310, the stressed plate 320 of slide-and-guide cooperation, grip block 330, stressed plate 320 and above-mentioned are constituted with braking guiding mechanism 310 The connection of power output driven wheel, the driven wheel drive stressed plate 320 of power output are moved along the guide direction of braking guiding mechanism 310 And push against grip block 330 and contradict guide rail, moving object is braked by friction reduction of speed.

Above-mentioned braking guiding mechanism 310 includes the braking directing plate 311 of vertical guide rail extending direction arrangement, braking guidance The braking guiding bar 312 of guide direction vertical guide rail is provided on plate 311, stressed plate 320 and braking guiding bar 312 are constituted and slided Guiding cooperation, stressed plate 320 and braking guiding bar 312 are consistent with conflict bar 252 and the induction connection relationship of guiding bar 253, this Place no longer illustrates that the side of stressed plate 320 towards power output part 254 is provided with the tooth engaged with power output driven wheel Item, braking guiding mechanism 310 further include closing on the corresponding directing plate 313 that one end of guide rail is correspondingly arranged with braking directing plate 311, One end that corresponding directing plate 313 closes on guide rail with braking directing plate 311 offers braking guiding groove 314, and grip block 330 is arranged Slide-and-guide cooperation is constituted between corresponding directing plate 313 and braking directing plate 311 and with braking guiding groove 314, for the ease of The reset of grip block 330, grip block 330 are provided with reset components 334 arranged up and down, and two reset components 334 are placed in clamping The side of block 330, after completing the braking to moving object, reset components 334 drive grip block 330 to reset, and release to guide rail Clamping, it is preferred that the reset components 334 are reset spring, and one end of reset spring contradicts grip block 330, resets bullet The other end of spring contradicts braking guiding mechanism 310, and the elastic force of reset spring pushes grip block 330 to deviate guide rail.

More specifically, the grip block 330 includes clamping block body 331, clamps and is provided with and makes on block body 331 The clamping slider 332 that dynamic guiding groove 314 constitutes slide-and-guide cooperation and contradicts with reset spring, reset spring is de- in order to prevent It falls, the braking guide post for wearing reset spring inner cavity is provided in clamping slider 332 and braking guiding mechanism 310, to avoid pressing from both sides Block 330 to be held to be detached from from braking guiding mechanism 310, braking guiding mechanism 310 is connect with grip block 330 by sliding connector, The sliding connector is the braking guiding chute 315 being set in braking guiding mechanism 310, is set to clamping block body 331 and with braking the matched braking guide shoe 333 of guiding chute 315.

It advanced optimizes, to improve friction effect so as to completion braking, the conflict of grip block 330 and guide rail in the short time Face is provided with friction striped, improves coefficient of friction, reduces braking time.

More perfect, to avoid the occurrence of a brake phenomenon, above-mentioned 210 outer cover of triggering rotary shaft is equipped with Fang Diansha mechanism 240, Fang Diansha mechanisms 240 are located at the outside of idler wheel, and the centrifugal force that Fang Diansha mechanism 240 can avoid idler wheel in braking process reduces The suspension end of rotary shaft 210 is triggered so as to cause the reset of velocity response sliding block 234 for the stability for guaranteeing Fang Diansha mechanism 240 It is provided with triggering nut, Fang Diansha mechanism 240 is between triggering nut and idler wheel.

As shown in figures 23-27, above-mentioned Fang Diansha mechanism 240 includes that coaxial sleeve is anti-outside triggering rotary shaft 210 Point brake plectane 241, anti-point brake clockwork spring 242, anti-point brake plectane 241 coaxially offer anti-point brake mounting groove towards the side of idler wheel, Anti- point brake clockwork spring 242 coaxial arrangement is put in brake mounting groove in anti-, the cell wall of one end of anti-point brake clockwork spring 242 and anti-point brake mounting groove Connection, the anti-other end for putting brake clockwork spring 242 are connect with idler wheel, and the periphery of anti-point brake plectane 241 is provided with along idler wheel radial direction cloth The connecting rod 243 set, the suspension end of connecting rod 243 are provided with system and move back plate 244, and Fang Diansha mechanism 240 further includes being opened in idler wheel Anti- point brake mounting groove 245 that is upper and being connected to velocity response guiding groove 231, system are moved back plate 244 and are set in anti-point brake mounting groove 245 And it makes and moves back plate 244 and velocity response guiding groove 231 can be moved to by anti-point brake mounting groove 245, velocity response sliding block 234 is towards system The side for moving back plate 244 is provided with the helical teeth a along 234 length direction of velocity response sliding block arrangement, and system moves back plate 244 towards velocity response One end side wall of sliding block 234 is provided with the helical teeth b to match with helical teeth a, and helical teeth b is engaged with helical teeth a can limit velocity response cunning Block 234 is moved towards roller axis and velocity response sliding block 234 can be moved unidirectionally towards the periphery of idler wheel；Anti- point brake clockwork spring 242 elastic force pushes system to move back plate 244 and contradicts velocity response sliding block 234, and helical teeth b is engaged with helical teeth a at this time, velocity response sliding block 234 only unidirectionally move towards the periphery of idler wheel, avoid velocity response sliding block 234 from resetting, and avoid a hair for brake phenomenon Raw, rotatable anti-point brake plectane 241 makes anti-point brake clockwork spring 242 put aside elastic potential energy after completing braking, at this time system move back plate 244 with Velocity response sliding block 234 separates, and helical teeth b is separated with helical teeth a, elastic force of the velocity response sliding block 234 in velocity response elastic component 233 Effect is lower to be resetted.

To further increase structural reliability, prevent trigger device 200 in braking process from damaging so as to cause braking process It interrupts, to avoid above-mentioned situation from occurring, the brake apparatus 300 is additionally provided with insurance institution 340, and insurance institution 340 can Continue that grip block 330 is driven to contradict guide rail in the case where trigger device 200 damages, ensure that continuing for braking process.

As shown in Figure 30,32-37, above-mentioned braking directing plate 311 is provided with braking mounting rack away from one end of guide rail 316, the insurance institution 340 is set on braking mounting rack 316, and insurance institution 340 includes and 316 activity of braking mounting rack The support frame 342 of connection, support frame 342 include mounting cylinder, mounting cylinder include horizontally disposed horizontal cylinder, be vertically arranged it is vertical Cylinder, the connecting cylinder between horizontal cylinder and vertical cylinder, the length for being axially parallel to braking directing plate 311 of the horizontal cylinder Direction is provided in vertical cylinder and unidirectionally pushes component 343, is coaxially arranged with push-pull rod 341 in horizontal cylinder, and the one of push-pull rod 341 End is flexibly connected with stressed plate 320, specifically, one end that one end of push-pull rod 341 and stressed plate 320 close on push-pull rod 341 is cut with scissors It connecing and hinged shaft core line is oriented parallel to trigger the axial direction of rotary shaft 210, the other end of push-pull rod 341 is located at horizontal tube inner chamber, One end that push-pull rod 341 is located at horizontal tube inner chamber be provided with the matched spool of horizontal tube inner chamber, spool can be along horizontal tube inner chamber Sliding, the suspension end of horizontal cylinder are provided with the built-in step that can limit valve core movement, connect tube inner chamber and between spool and unidirectionally It pushes and is provided with several balls 344 for being used to for the active force for unidirectionally pushing component 343 being transferred to spool between component 343, on The unidirectional component 343 that pushes stated can unidirectionally push ball 344 and ball 344 is made to contradict spool；Moving object is in static or just When normal motion state, there is spacing between spool and built-in step, spool pushes ball 344, and ball 344, which pushes, unidirectionally pushes component 343, so that limitation unidirectionally pushes the release of 343 active force of component, when braking to moving object, stressed plate 320 passes through Push-pull rod 341 drives spool towards built-in step movement, unidirectionally pushes component 343 and lifts restrictions, ball 344 in self gravity and It unidirectionally pushes and follows valve core movement under the action of component 343 and continue to contradict spool, guarantee that stressed plate 320 is realized and receive push-pull rod 341 and power output driven wheel double reaction plus, improve braking reliability.

Specifically, the above-mentioned component 343 that unidirectionally pushes includes the installation lid 343b positioned at vertical cylinder top, installation lid 343b The mounting hole coaxial with vertical cylinder is offered, matching is provided with bored roll 343e in mounting hole, and bored roll 343e is offered With vertical cylinder it is coaxial unidirectionally push through hole, unidirectionally push matching in through hole and be equipped with and unidirectionally push rotary shaft 343f, singly It is stretched out to the both ends for pushing rotary shaft 343f and unidirectionally pushes through hole, unidirectionally pushing rotary shaft 343f includes light bar segment, thread segment, Light bar segment is located in bored roll 343e and is provided with rotating handles 343a at the top of light bar segment, and thread segment is located at vertical tube inner chamber, Thread segment outer cover is equipped with the pushing cylinder 343d for being used to push ball 344 being threadedly coupled with thread segment, in order to expand active area, The outer cover of pushing cylinder 343d is equipped with the sleeve 343c for being fixedly connected with pushing cylinder 343d and being slidably connected with vertical tube inner chamber, sleeve The cross section of 343c is any one in the polygons such as triangle, quadrangle, and sleeve 343c is slideably positioned in vertical tube inner chamber And sleeve 343c can not be rotated around itself, and the inner cavity bored roll 343e is provided with the list coaxial with rotary shaft 343f is unidirectionally pushed To clockwork spring 343g is pushed, the one end for unidirectionally pushing clockwork spring 343g is fixedly connected with light bar segment, unidirectionally pushes the another of clockwork spring 343g End is fixedly connected with bored roll 343e, and the circumferential surface of above-mentioned bored roll 343e is provided with helical teeth c, and installation is covered on 343b It is additionally provided with limitation component matched with helical teeth c and that bored roll 343e one-directional rotation can be limited；When original state, unidirectionally support It pushing away clockwork spring 343g and is in savings elastic potential energy state, pushing cylinder 343d and sleeve 343c push ball 344, when starting braking, rolling Displacement and then movement of the pearl 344 with spool, ball 344 release the limitation to pushing cylinder 343d and sleeve 343c, unidirectionally push hair The elastic potential energy release of 343g savings, the elastic force driving for unidirectionally pushing clockwork spring 343g unidirectionally push rotary shaft 343f around itself axis Line rotation, can not be subjected to displacement under the limitation for unidirectionally pushing clockwork spring 343g due to unidirectionally pushing rotary shaft 343f, thus unidirectional Pushing rotary shaft 343f can drive the direction of pushing cylinder 343d and sleeve 343c towards ball 344 to move and contradict ball 344.

More specifically, above-mentioned limitation component includes the limit for being opened in installation lid 343b and being connected to above-mentioned mounting hole Mounting groove processed, limit mounting groove in be provided with the matched restriction plate 343h of helical teeth c, restriction plate 343h contradict helical teeth c simultaneously limit Bored roll 343e one-directional rotation limits and is additionally provided with the helical spring that driving restriction plate 343h contradicts helical teeth c in mounting groove One end of 343i, helical spring 343i contradict restriction plate 343h, the other end of helical spring 343i contradicts installation lid 343b, spiral The elastic force of spring 343i pushes restriction plate 343h to be biased to helical teeth c.

Guarantee roller conflicting guide rail more closely to improve transmission efficiency as another embodiment of the invention, installation The driving device 400 for driving roller conflicting guide rail is additionally provided on shell 100, above-mentioned triggering rotary shaft 210 is flexibly connected In driving device 400 and triggering rotary shaft 210 can be around own axis, and above-mentioned power output part 254 is defeated by power Connector connection triggering rotary shaft 210 out, power output part 254 pass through power output connector driving triggering rotary shaft 210 Around own axis, the power output connector is the power output flat key being set in triggering rotary shaft 210, setting In, with power output flat key matched power output keyway, driving device 400 receives triggering rotation on power output part 254 The rotary force of axis 210 simultaneously drives trigger device 200 to move towards guide rail, and the idler wheel on trigger device 200 closely contradicts guide rail.

As shown in Fig. 4,38-45, above-mentioned driving device 400 includes the driving mounting slot being opened on mounting shell 100 460, driving mounting slot 460 extends perpendicularly to guide rail, be equipped in driving mounting slot 460 driving guiding mechanism 440, with Drive the matched driving sliding block 430 of guiding mechanism 440, driving sliding block 430 can drive guiding mechanism 440 guiding role under court Direction guiding rail moves, and the extending direction silk parallel with the guide direction of guiding mechanism 440 is driven is additionally provided in driving mounting slot 460 Bar 420, driving sliding block 430 offer the driving mounting hole coaxial with screw rod 420, drive in mounting hole and be provided with screw component, Driving sliding block 430 is connect by screw component with screw rod 420, and screw rod 420 is fixedly connected with mounting shell 100, is driven on sliding block 430 It is provided with the drive transmission device 410 for the rotary force for triggering rotary shaft 210 to be transferred to screw rod 420, above-mentioned triggering rotation Shaft 210 passes through driving sliding block 430 and connect with drive transmission device 410, the output end connection driving transmission of triggering rotary shaft 210 The driving end of mechanism 410, the driving end of the output end connection wire rod 420 of drive transmission device 410, due to screw rod 420 and installation Shell 100 is fixedly connected, thus sliding block 430 is driven to receive the rotary force of drive transmission device 410 and in driving guiding mechanism 440 It is moved under guiding role towards the direction of guide rail, driving sliding block 430 drives 200 direction of trigger device by triggering rotary shaft 210 Guide rail moves, and the idler wheel on trigger device 200 closely contradicts guide rail.

Specifically, above-mentioned driving guiding mechanism 440 be placed in 420 side of screw rod and in upper rail arranged up and down Road, lower railway, drive sliding block 430 between upper rail and lower railway and driving sliding block 430 is constituted with upper rail and lower railway Slide-and-guide cooperation.

More specifically, above-mentioned drive transmission device 410 includes that coaxial sleeve is sliding set on triggering 210 adjacent driving of rotary shaft The first driving wheel of driving 411 outside one end of block 430, the first driven wheel of driving engaged with the first driving wheel 411 of driving 412, the first driven wheel 412 of driving is flexibly connected with driving sliding block 430 and drives the first driven wheel 412 that can turn around own axes Dynamic, drive transmission device 410 further includes the second driving wheel of driving with the coaxial arrangement of the first driven wheel 412 of driving and synchronous rotation 413, the second driven wheel of driving 414 engaged with the second driving wheel 413 of driving, the second driven wheel 414 of driving are movably set in silk The outside of bar 420, second driven wheel of driving 414 are connect by screw component with driving sliding block 430.

Preferably, the first driving wheel 411 of driving and the first driven wheel 412 of driving are straight spur gear, driving the Two driving wheels 413 are bevel gear with the second driven wheel 414 of driving.

Specifically, screw component includes the first loop bar 415, the second loop bar 418 being sheathed on outside screw rod 420, first set Bar 415 and the second loop bar 418 are threadedly coupled with screw rod 420, and first loop bar 415 and the second loop bar 418 pass through gearing Component connection, the linkage part include the gearing protrusion being set on the first loop bar 415, are set on the second loop bar 418 With the matched gearing groove of gearing protrusion, the gearing protrusion is provided with several and along the circumferencial direction of the first loop bar 415 It is evenly spaced on, the gearing groove is correspondingly arranged on several, and the first loop bar 415 and the second loop bar 418 are away from each other One end be provided with the external step 416 of screw, the driving sliding block 430 is between the external step 416 of two screws, first set One end of bar 415 towards the second driven wheel 414 of driving is fixedly connected with the second driven wheel 414 of driving.

More optimize, in order to prevent idler wheel and guide rail locking, so that braking efficiency is reduced, the silk on the first loop bar 415 It is provided with anti-lock component 417 between female external step 416 and driving sliding block 430, specifically, anti-lock component 417 is to be arranged Buffer spring outside the first loop bar 415.

For the ease of the reset of catching device, screw rod 420 stretches out the external world away from one end of guide rail, and driving device 400 further includes The fixed mechanism 450 that extraneous one end is fixed is stretched out to screw rod 420, fixed mechanism 450 includes and the fixed company of mounting shell 100 The fixing and mounting bracket 451 connect offers fixed chute 453 on fixing and mounting bracket 451, be also provided on fixing and mounting bracket 451 with The fixation limiting slot 452 that fixed chute 453 is connected to, fixed mechanism 450 further include that slide-and-guide cooperation is constituted with fixed chute 453 Fixed glides 454, the fixation gag lever post that slide-and-guide cooperation is constituted with fixed limiting slot 452 is provided in fixed glides 454 455, fixed glides 454 and fixed gag lever post 455 can slide up and down in fixed chute 453, fixed glides 454 and screw rod 420 It stretches out extraneous one end to be detachably connected, when fixed glides 454 are connect with screw rod 420, screw rod 420 can not turn around own axes Dynamic, when fixed glides 454 are separated with screw rod 420, screw rod 420 can be around own axis.

The outwardly directed one end of screw rod 420 is fixedly installed square shaft, the cross section of the square shaft be rectangle, triangle or One of person's polygon, the lower end of fixed glides 454 are provided with the bayonet of open opening, when bayonet shape and square shaft Cross-sectional shape is adapted, and when bayonet and square shaft match, fixed glides 454 can limit screw rod 420 around own axes Rotation.

More optimize, to improve braking efficiency, shortens braking time, the trigger device 200, brake apparatus 300 Constitute mechanism b with driving device 400, the described mechanism b setting there are two and two mechanism b be placed in the side of guide rail.

When moving object works normally, idler wheel receives the power of moving object and around own axis, and idler wheel turns at this time Speed is small, and centrifugal force is small, and the velocity response sliding block 234 under centrifugal force effect cannot overcome the elastic force of velocity response elastic component 233, speed Degree induction sliding block 234 is remain stationary.

When the movement velocity of moving object is more than critical value, idler wheel revolving speed is big at this time, and centrifugal force is big, under centrifugal force effect The circumferential surface that velocity response sliding block 234 overcomes the elastic force of velocity response elastic component 233 towards idler wheel moves, velocity response elasticity Part 233 shrinks and puts aside elastic potential energy, and the elastic force of anti-point brake clockwork spring 242 pushes system to move back plate 244 and contradicts velocity response sliding block 234, Helical teeth a and helical teeth b cooperation limitation velocity response sliding block 234 resets, and velocity response sliding block 234 is driven by driving force member 251 The channeling direction that bar 252 is contradicted along induction guiding bar 253 is moved towards power output part 254, contradicts bar 252 and power output The power output driving wheel of component 254 contradicts, and power output part 254 receives rotary force and around own axis.

The driven wheel drive stressed plate 320 of the power output of power output part 254 is moved towards guide rail, and stressed plate 320 drives Dynamic clamping block body 331 slides along sliding connector channeling direction and squeezes guide rail, and reset components 334 are by extruding contraction and product Elastic potential energy is stored, clamping block body 331 brakes moving object with rail friction, and stressed plate 320 passes through push-pull rod 341 driving spools unidirectionally push component 343 and lift restrictions, ball 344 is supported in self gravity and unidirectionally towards built-in step movement It pushes away and follows valve core movement under the action of component 343 and continue to contradict spool, ball 344 is released to pushing cylinder 343d's and sleeve 343c Limitation unidirectionally pushes the elastic potential energy release of clockwork spring 343g savings, and the elastic force driving for unidirectionally pushing clockwork spring 343g unidirectionally pushes rotation Shaft 343f can not be sent out under the limitation for unidirectionally pushing clockwork spring 343g around own axis, due to unidirectionally pushing rotary shaft 343f Raw displacement, thus unidirectionally pushing rotary shaft 343f can drive pushing cylinder 343d and sleeve 343c to move simultaneously towards the direction of ball 344 Contradict ball 344.

At the same time, power output part 254 is by power output connector driving triggering rotary shaft 210 around own axes Rotation, triggering rotary shaft 210 transmit rotary force to screw rod 420 by drive transmission device 410, and screw rod 420 is in fixed mechanism 450 Limitation under cannot rotate, the second driven wheel 414 of driving is axially facing guide rail along screw rod 420 and moves, the second driven wheel 414 Sliding block 430 is driven to move towards guide rail by screw components drive, driving sliding block 430 passes through the triggering driving triggering of rotary shaft 210 Device 200 is moved towards guide rail, and the idler wheel of trigger device 200 is close to guide rail.

After completing braking, rotating handles 343a is rotated, rotating handles 343a driving unidirectionally pushes rotary shaft 343f and reversely turns It is dynamic, it unidirectionally pushes clockwork spring 343g and shrinks and put aside elastic potential energy, unidirectionally push rotary shaft 343f driving pushing cylinder 343d and sleeve For 343c far from ball 344, the elastic potential energy release that reset components 334 are put aside at the same time, reset components 334 drive grip block sheet Body 331 resets, and clamping block body 331 drives 320 reverse slide of stressed plate, and stressed plate 320 drives spool court by push-pull rod 341 It is moved to the direction away from built-in step, spool pushes ball 344 to contradict pushing cylinder 343d and sleeve 343c.

Hand-held fixed glides 454 separate fixed glides 454 with screw rod 420, and screw rod 420 can turn around own axes at this time It is dynamic, extraneous one end is stretched out using spanner a clamping screw rod 420, triggering rotary shaft 210 is clamped using spanner b and deviates from mounting shell 100 One end, spanner a and spanner b rotate simultaneously, and spanner a drives screw rod 420 around own axis, spanner b driving triggering rotation Axis 210 rotates backward, and driving sliding block 430 drives trigger device 200 and driving device 400 to reset, and rotates anti-point brake plectane 241, Anti- point brake plectane 241 moves back plate 244 by the driving system of connecting rod 243 and separates with velocity response sliding block 234, velocity response sliding block 234 It lifts restrictions, velocity response sliding block 234 resets under the effect of 233 elastic force of velocity response elastic component, completes answering for entire catching device Position.

A kind of moving object braking method, step are:

(1) object proper motion catching device motion process；

S1: when moving object works normally, idler wheel receives the power of moving object and around own axis, at this time idler wheel revolving speed Small, centrifugal force is small, and the velocity response sliding block 234 under centrifugal force effect cannot overcome the elastic force of velocity response elastic component 233, speed Induction sliding block 234 is remain stationary；

(2) speed of moving body exception catching device motion process；

S2: when the movement velocity of moving object is more than critical value, idler wheel revolving speed is big at this time, and centrifugal force is big, under centrifugal force effect The circumferential surface that velocity response sliding block 234 overcomes the elastic force of velocity response elastic component 233 towards idler wheel moves, velocity response elasticity Part 233 shrinks and puts aside elastic potential energy, and the elastic force of anti-point brake clockwork spring 242 pushes system to move back plate 244 and contradicts velocity response sliding block 234, Helical teeth a and helical teeth b cooperation limitation velocity response sliding block 234 resets, and velocity response sliding block 234 is driven by driving force member 251 The channeling direction that bar 252 is contradicted along induction guiding bar 253 is moved towards power output part 254, contradicts bar 252 and power output The power output driving wheel of component 254 contradicts, and power output part 254 receives rotary force and around own axis；

S3: the driven wheel drive stressed plate 320 of the power output of power output part 254 is moved towards guide rail, and stressed plate 320 drives Clamping block body 331 slides along sliding connector channeling direction and squeezes guide rail, and reset components 334 shrink and put aside by squeezing Elastic potential energy, clamping block body 331 brake moving object with rail friction, and stressed plate 320 passes through push-pull rod 341 It drives spool towards built-in step movement, unidirectionally pushes component 343 and lift restrictions, ball 344 is pushed in self gravity and unidirectionally Valve core movement is followed under the action of component 343 and continues to contradict spool, and ball 344 releases the limit to pushing cylinder 343d and sleeve 343c System unidirectionally pushes the elastic potential energy release of clockwork spring 343g savings, and the elastic force driving for unidirectionally pushing clockwork spring 343g unidirectionally pushes rotation Axis 343f can not occur under the limitation for unidirectionally pushing clockwork spring 343g around own axis, due to unidirectionally pushing rotary shaft 343f Displacement, thus unidirectionally pushing rotary shaft 343f can drive the direction of pushing cylinder 343d and sleeve 343c towards ball 344 to move and support Touch ball 344；

S4: at the same time, power output part 254 is by power output connector driving triggering rotary shaft 210 around own axes Rotation, triggering rotary shaft 210 transmit rotary force to screw rod 420 by drive transmission device 410, and screw rod 420 is in fixed mechanism 450 Limitation under cannot rotate, the second driven wheel 414 of driving is axially facing guide rail along screw rod 420 and moves, the second driven wheel 414 Sliding block 430 is driven to move towards guide rail by screw components drive, driving sliding block 430 passes through the triggering driving triggering of rotary shaft 210 Device 200 is moved towards guide rail, and the idler wheel of trigger device 200 is close to guide rail；

(3) catching device reseting procedure；

S5: after completing braking, rotating handles 343a is rotated, rotating handles 343a driving unidirectionally pushes rotary shaft 343f and reversely turns It is dynamic, it unidirectionally pushes clockwork spring 343g and shrinks and put aside elastic potential energy, unidirectionally push rotary shaft 343f driving pushing cylinder 343d and sleeve For 343c far from ball 344, the elastic potential energy release that reset components 334 are put aside at the same time, reset components 334 drive grip block sheet Body 331 resets, and clamping block body 331 drives 320 reverse slide of stressed plate, and stressed plate 320 drives spool court by push-pull rod 341 It is moved to the direction away from built-in step, spool pushes ball 344 to contradict pushing cylinder 343d and sleeve 343c；

S6: hand-held fixed glides 454 separate fixed glides 454 with screw rod 420, at this time screw rod 420 can around own axis, Extraneous one end is stretched out using spanner a clamping screw rod 420, clamps triggering rotary shaft 210 away from mounting shell 100 using spanner b One end, spanner a and spanner b are rotated simultaneously, and spanner a drives screw rod 420 around own axis, spanner b driving triggering rotary shaft 210 rotate backward, and driving sliding block 430 drives trigger device 200 and driving device 400 to reset, and rotate anti-point brake plectane 241, prevent Point brake plectane 241 moves back plate 244 by the driving system of connecting rod 243 and separates with velocity response sliding block 234, and velocity response sliding block 234 solves Except limitation, velocity response sliding block 234 resets under the effect of 233 elastic force of velocity response elastic component, completes the reset of entire catching device.

The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, in knowing the present invention after contents, without departing from the principle of the present invention, it can also be made several Same transformation and replacement, these convert and substitute on an equal basis and also should be regarded as belonging to the scope of protection of the present invention.

Claims

1. be applied to elevator high-protection level speed limit catching device, which is characterized in that it include be installed in moving object and The mounting shell being connect with guide rail, be equipped on mounting shell positioned at guide rail side and contradicted with guide rail trigger device, fill with triggering Set the brake apparatus for braking motion object of connection, trigger device be arranged between triggering state and non-triggering state into Row switches, and the movement that trigger device is used to incude moving object in guide rail guide direction simultaneously makes trigger device rotate fortune It is dynamic, driving device is additionally provided on mounting shell；

2. the speed limit catching device of the high-protection level according to claim 1 applied to elevator, which is characterized in that above-mentioned Driving device includes the driving mounting slot being opened on mounting shell, and driving mounting slot extends perpendicularly to guide rail, driving peace Driving guiding mechanism and driving guiding mechanism matched driving sliding block are installed in tankage, is additionally provided with and prolongs in driving mounting slot The direction screw rod parallel with the guide direction of guiding mechanism is driven is stretched, driving sliding block is offered to be installed with the coaxial driving of screw rod Hole drives and is provided with screw component in mounting hole, and driving sliding block is connect by screw component with screw rod, and screw rod is fixed with mounting shell Connection drives the drive transmission device being provided on sliding block for the rotary force for triggering rotary shaft to be transferred to screw rod, above-mentioned Triggering rotary shaft passes through driving sliding block and connect with drive transmission device, triggers the output end connection drive transmission device of rotary shaft Drive end, the driving end of the output end connection wire rod of drive transmission device.

3. the speed limit catching device of the high-protection level according to claim 2 applied to elevator, which is characterized in that above-mentioned Driving guiding mechanism be placed in screw rod side and in upper rail arranged up and down, lower railway, drive sliding block between upper rail Between road and lower railway and driving sliding block cooperates with upper rail and lower railway composition slide-and-guide；