CN109160398A

CN109160398A - A kind of safe lock method of the safety anti-falling device of lift car

Info

Publication number: CN109160398A
Application number: CN201811336438.1A
Authority: CN
Inventors: 杨传前
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2019-01-08

Abstract

The invention discloses the high security means of delivery of lift car, its method is: carriage normally declines process, the transmission process of first transmission device, when directive wheel drives first rotating shaft to rotate counterclockwise, locking ring set is rotated counterclockwise around own axes, the rotation of locking ring set drives locking disk a to rotate counterclockwise, and transmission driving wheel rotation is driven by connection ring, to drive driven transmission wheel to rotate, driven transmission wheel the second actuator movement of rotate driving, the transmission process of second transmission device: the first transmission device drives the second shaft to rotate and first sleeve is driven to rotate synchronously, to drive first bevel gear to rotate synchronously, first bevel gear rotation drives third hand tap gear rotation, the rotation of third hand tap gear drives the rotation of third shaft and drives the rotation of the 4th shaft by shaft coupling.

Description

A kind of safe lock method of the safety anti-falling device of lift car

Technical field

The present invention relates to elevator speed limit field more particularly to a kind of safety anti-falling devices of lift car.

Background technique

Elevator is manned vertical transportation instrument, it is necessary to which safe operation is put in the first place.To guarantee elevator safety operation, from The links such as design, manufacture, installation, which will fully take into account, prevents dangerous generation, and for the various possible danger occurred Danger, is arranged special safety device, elevator when in use, during carriage is towed power upward/downward movement, if there is machine Tool failure leads to the tractive force reduction/disappearance, and carriage is in state of weightlessness and falling speed is very fast, the person of passenger in carriage Safety problem is unable to get guarantee, need to carriage carry out safety it is stagnant stop, elevator governor is in elevator safety protection system One of safety con-trol part, when no matter which kind of reason makes carriage exceed the speed limit to elevator in operation, or even the danger fallen, And in the case that every other safety guard does not work, then limiter of speed can play the role of safeguard protection to carriage.

Summary of the invention

To solve the deficiencies in the prior art, the object of the present invention is to provide the high security means of delivery of lift car, should Limiter of speed is then again converted to mechanical be able to achieve and stops to the stagnant of carriage, obtain carriage by converting hydraulic energy for mechanical energy To safeguard protection, the personal safety of passenger ensure that.

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

The high security means of delivery of lift car, method are:

(1) carriage normally declines process:

S1. the transmission process of the first transmission device, when directive wheel drives first rotating shaft to rotate counterclockwise, locking ring set is around certainly Body axis rotate counterclockwise, and the rotation for locking ring set drives locking disk a to rotate counterclockwise, and drive transmission master by connection ring Wheel rotation, so that driven transmission wheel is driven to rotate, driven transmission wheel the second actuator movement of rotate driving；

S2. the transmission process of the second transmission device: the first transmission device drives the second shaft rotate and drives first sleeve synchronization Rotation, so that first bevel gear be driven to rotate synchronously, first bevel gear rotation drives third hand tap gear rotation, third hand tap gear Rotation drives the rotation of third shaft and drives the rotation of the 4th shaft by shaft coupling；

S3. the energy conversion process of speed limit locking system: above-mentioned the 4th shaft rotation drives first gear rotation, first gear Rotation drives second gear rotation, at this point, first gear, the rotation direction of second gear are normal rotation direction, hydraulic oil container In flowed through the second communicating pipe of hydraulic oil the first check valve, and flow into four-way pipe through the first check valve, due to first gear, The rotation of second gear, gear pump generate suction to hydraulic oil, subsequently enter in gear pump and between gear clearance, the During one gear, second gear engagement rotation, hydraulic oil flows into second one-way valve through tee tube, then flows into third connecting It manages and flows into hydraulic oil container, therefore, the mechanical energy of auxiliary drive gear is converted into hydraulic energy, and the hydraulic energy cannot be transferred to Lockable mechanism；

(2) carriage is in fast drop course:

S4. the conversion process of transmission switching mechanism: the first transmission device drive the second shaft around own axis speed compared with Fastly, to drive fast speed of the second sleeve around own axis, therefore, transmission switching mechanism is around the center of the second shaft The fast speed of axis rotation, mass high-speed rotation at this time, under the influence of centrifugal force, swing rod rotated around hinge joint and by Gradually it is unfolded, during swing rod expansion, swing rod drawing pull bar simultaneously draws second sleeve to the direction close to sliding sleeve by pull rod It is mobile, due to being connected through a screw thread between second sleeve and first sleeve, second sleeve is to close to the movement of the direction of sliding sleeve During to draw first sleeve mobile to the direction close to sliding sleeve, thus third hand tap gear and first bevel gear be detached from and with Second bevel gear engagement, third hand tap gear rotate backward, so that first gear, second gear be driven to rotate backward and turn for locking Dynamic direction；

S5. the energy conversion process of speed limit locking system: it is unidirectional that the 4th communicating pipe of hydraulic oil in hydraulic oil container is flowed into third Valve, and tee tube is flowed to, it then flows into gear pump and between gear clearance, first gear, second gear engagement During rotation, hydraulic oil flows into communicating valve through four-way pipe, and through the 5th communicating pipe, the 6th communicating pipe flowing into locking machine The mechanical energy of structure, auxiliary drive gear is converted into hydraulic energy, which can be transferred to lockable mechanism, and lockable mechanism is by liquid Pressure energy is converted into mechanical energy, so that lockable mechanism can carry out speed limit locking to carriage；

S6. the locking process of lockable mechanism: hydraulic oil flows into the cylinder body on the first lockable mechanism through the 6th communicating pipe, through the 5th Communicating pipe flows into the cylinder body on the second lockable mechanism, and hydraulic energy transfer is machinery by the first lockable mechanism, the second lockable mechanism Can, thus to lifting rope carry out locking, specific manifestation are as follows: flow into cylinder barrel in hydraulic oil push piston b to push hydraulic stem to Direction far from cylinder cap a is mobile, and then hydraulic stem pushes first connecting rod to rotate around first connecting rod and fixed plate hinged place, and then the One connecting rod pushes clamping plate one to close to the movement of the direction of clamping plate two, and clamping plate one is to close to the movement of the direction of clamping plate two It can be clamped in the process in lifting rope between the two, to inhibit hurtling down for carriage, guarantee passenger in carriage Safety.

The beneficial effect of the present invention compared with prior art is that this limiter of speed carries out carriage using Hydraulic Power Transmission System Stagnant to stop, mechanical energy is converted into hydraulic energy, and then hydraulic energy is again converted to mechanical energy completion to the locking of carriage, speed limit locking dress The motion state set includes normal condition, lockup state, and between normal condition and lockup state can free switching, work as sedan-chair When compartment is in normal falling state, auxiliary drive gear driving speed limit locking system works and it is made to keep normal condition, works as sedan-chair Compartment be in the state that hurtles down i.e. weightless precarious position when, auxiliary drive gear drives speed limit locking system to work and make it by normal State is switched to lockup state, stops so that completion is stagnant to the speed limit of carriage, guarantees the safety of passenger in carriage.

Detailed description of the invention

In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.

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

Fig. 2 is structural schematic diagram of the invention.

Fig. 3 is mounting rack structural schematic diagram of the invention.

Fig. 4 is structural schematic diagram of the invention.

Fig. 5 is structural schematic diagram of the invention.

Fig. 6 is the first transmission device schematic diagram of the invention.

Fig. 7 is the first transmission device schematic diagram of the invention.

Fig. 8 is locked component schematic diagram of the invention.

Fig. 9 is locked component schematic diagram of the invention.

Figure 10 is locked component schematic diagram of the invention.

Figure 11 is ratchet component structural schematic diagram of the invention.

Figure 12 is that the second transmission device and speed limit locking system of the invention cooperate schematic diagram.

Figure 13 is the second transmission device schematic diagram of the invention.

Figure 14 is the second transmission device schematic diagram of the invention.

Figure 15 is that main drive gear and transmission switching mechanism of the invention cooperate schematic diagram.

Figure 16 is that main drive gear and transmission switching mechanism of the invention cooperate schematic diagram.

Figure 17 is main drive gear schematic diagram of the invention.

Figure 18 is main drive gear schematic diagram of the invention.

Figure 19 is transmission switching mechanism schematic diagram of the invention.

Figure 20 is limit element structural schematic diagram of the invention.

Figure 21 is limit element structural schematic diagram of the invention.

Figure 22 is auxiliary drive gear schematic diagram of the invention.

Figure 23 is auxiliary drive gear schematic diagram of the invention.

Figure 24 is speed limit locking system schematic diagram of the invention.

Figure 25 is speed limit locking system schematic diagram of the invention.

Figure 26 is mounting assembly structural schematic diagram of the invention.

Figure 27 is one-way valve structures schematic diagram of the invention.

Figure 28 is lockable mechanism schematic diagram of the invention.

Figure 29 is lockable mechanism schematic diagram of the invention.

Figure 30 is lockable mechanism schematic diagram of the invention.

It is denoted as in figure:

10, mounting rack；110, main frame body；120, the first position-limited rack；130, the second position-limited rack；140, third position-limited rack；150, One mounting plate；160, the second mounting plate；

20, the first transmission device；210, directive wheel；220, first rotating shaft；230, locked component；231, ring set is locked；232, spine Take turns element；232a, locking disk；232b, pawl；232c, Lock spring；233, connection ring；240, it is driven driving wheel；250, it is driven Driven wheel；260, lid is limited；

30, the second transmission device；310, main drive gear；311, the second shaft；312, first sleeve；313, first bevel gear； 314, second bevel gear；315, the first limiting slot；316, the second limiting slot；317, stop collar；320, auxiliary drive gear；321, Third hand tap gear；322, third shaft；323, the 4th shaft；324, shaft coupling one；325, shaft coupling two；330, it is driven interpreter Structure；331, sliding sleeve；332, throw over spring；333, second sleeve；334, swing rod；335, pull rod；336, mass；337, limit member Part；337a, limit shell；337b, gag lever post；337c, external step；337d, limit spring；

40, speed limit locking system；410, hydraulic oil container；420, gear pump；421, master gear；422, pinion；423, connecting shaft； 424, the pump housing；425, the first pump cover；426, the second pump cover；430, the first Netcom manages；431, the first communicating pipe；432, overflow valve； 433, four-way pipe；434, the first check valve；435, the second communicating pipe；436, communicating valve；440, the second Netcom manages；441, third connects Siphunculus；442, second one-way valve；443, third check valve；444, the 4th communicating pipe；445；Tee tube；450, third Netcom manages； 451, the 5th communicating pipe；452, the 6th communicating pipe；460, the first lockable mechanism；461, cylinder body；461a, cylinder cap；461b, piston； 461c, buffer spring；462, hydraulic stem；463, first connecting rod；464, second connecting rod；465, fixed plate；466, clamping plate one； 467, clamping plate two；468, the first limit plate；469, the second limit plate；470, the second lockable mechanism.

Specific embodiment

With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair Embodiment in bright, those of ordinary skill in the art without making creative work, every other reality obtained Example is applied, the scope of the present invention is belonged to.

As shown in Fig. 1-30, a kind of safety anti-falling device of lift car, including mounting rack 10, the first transmission device 20, Two transmission devices 30, speed limit locking system 40, first transmission device 20, the second transmission device 30, speed limit locking system In on mounting rack 10, the driving link of first transmission device 20 is connected by lifting rope with the carriage of elevator 40 installation settings, The movement of carriage can drive the first transmission device 20 to rotate, the driven member of the first transmission device 20 and the second transmission device 30 Driving link is connected, and the driven member of the second transmission device 30 is connected with the driving link of speed limit locking system 40, speed limit locking system 40 Driven member lifting rope can be locked, when carriage is in state of weightlessness and very fast falling speed, the whereabouts of carriage is driven Dynamic first transmission device 20 rotation, and power is transferred to the second transmission device 30, then the second transmission device 30 is by power It is transferred to speed limit locking system 40, speed limit locking system 40 can lock lifting rope, thus inhibit hurtling down for carriage, And then the personal safety of passenger in carriage is ensured.

First transmission device 20 includes being set to directive wheel 210 at the top of computer room, being set to the swollen of computer room bottom Bearing up pulley, the central axis of the directive wheel 210 and the centerline axis parallel of swelling wheel, lifting rope are surrounded on directive wheel 210, swelling Wheel it is outer and with constitute closed circuit between the two, the carriage is fixedly connected on lifting rope, and carriage is towed power up and down motion And lifting rope is driven to move, lifting rope movement is able to drive directive wheel 210, swelling wheel around own axis, when carriage is towed When power moves upwards, directive wheel 210, swelling wheel rotation direction be it is clockwise, when carriage is towed under power/self gravitation effect When moving downward, directive wheel 210, swelling wheel rotation direction be it is counterclockwise, when carriage is towed the mistake of power upward/downward movement Cheng Zhong, if there was a mechanical failure leads to the tractive force reduction/disappearance, carriage is in state of weightlessness and falling speed is very fast, The human safety issues of passenger are unable to get guarantee in carriage, therefore, when there is safety problem in carriage motion process, carriage It is final in the state that hurtles down, and the rotation direction of directive wheel 210, swelling wheel be it is counterclockwise, by being analyzed above it is found that ought lead I.e. carriage is in safe propradation when rotation direction to wheel 210, swelling wheel is always clockwise, when directive wheel 210, swelling When the rotation direction of wheel is counterclockwise, that is, carriage be in safely dropping state/weightlessness precarious position, therefore, when carriage is in safely It when propradation, does not need to carry out speed-limiting protection to carriage, when carriage is in weightless precarious position, needs to limit carriage Speed protection, therefore, the motion state of first transmission device 20 include idle running discrete state, speed-limiting protection state, and Between discrete state and the speed-limiting protection state of dallying can free switching, when carriage be in safe propradation, first is driven The motion state of device 20 is idle running discrete state, when carriage is in safely dropping state/weightlessness precarious position, the first transmission Device 20 is switched to speed-limiting protection state by idle running discrete state, to carry out speed-limiting protection to carriage, has ensured in carriage and has multiplied The personal safety of visitor.

As shown in Fig. 3, Fig. 6-11, main frame body 110, the first position-limited rack 120 are provided on above-mentioned mounting rack 10, it is described In horizontally disposed, the first position-limited rack 120 is vertically arranged on main frame body 110 main frame body 110, and first transmission device 20 is also Including first rotating shaft 220, transmission driving wheel 240, driven transmission wheel 250, the first rotating shaft 220 is movably installed in the first limit On the frame 120 of position, first position-limited rack 120 includes two sub-stents being arranged parallel, the top of two sub-stents It is provided with the mounting groove for carrying out installation limit to first rotating shaft 220, first rotating shaft 220 is movably installed in two sub-stent tops In the mounting groove in portion and in horizontally disposed, it is outer and be in that above-mentioned directive wheel 210 is coaxially fixedly sheathed in first rotating shaft 220 Between two sub-stents, in order to improve the stability of first rotating shaft 220, Matching installation on the mounting groove at the top of two sub-stents There is limit lid 260, the transmission coaxial pivot bush unit of driving wheel 240 is in the output end of first rotating shaft 220, driven transmission wheel 250 are connected with the driving link of the second transmission device 30, transmission driving wheel 240, driven transmission wheel 250 be belt wheel/gear, the two it Between by belt/gear engaged transmission, since the transmission coaxial pivot bush unit of driving wheel 240 is in outside first rotating shaft 220, first rotating shaft 220 rotation cannot drive transmission driving wheel 240 to rotate, when carriage is in safely dropping state/weightlessness precarious position, first Transmission device 20 is switched to speed-limiting protection state by idle running discrete state, therefore, coaxially arranged outside first rotating shaft 220 to have locking group Part 230, the locked component 230 with transmission driving wheel 240 be fixedly connected, the first rotating shaft 220 include drive section a, Light bar segment a, the drive section a close to first rotating shaft 220 input terminal, light bar segment a close to first rotating shaft 220 output end, External splines is provided on the drive section a of first rotating shaft 220, above-mentioned locked component 230 includes locking ring set 231, ratchet component 232, connection ring 233, the locking coaxial fixing sleeve of lantern ring are set to outside the drive section a of first rotating shaft 220, the locking lantern ring 231 Inner ring surface setting there are two, and two inner ring surfaces are coaxial not isometrical arrangement and respectively the first inner ring surface, the second inner ring surface, The internal spline that the external splines being provided on the drive section a with first rotating shaft 220 on the circumferencial direction of first inner ring surface matches, the Rack gear is set, and the second inner ring surface is in outside light bar segment a, the ratchet component 232 includes coaxial living on two inner ring surfaces The dynamic locking disk 232a being socketed on outside 220 light bar segment a of first rotating shaft, the pawl 232b being set on locking disk 232a, it is described Locking disk 232a Matching installation is formed by chamber in the second inner ring surface and 220 light bar segment a of first rotating shaft, the locking disk Accommodation groove, side walls hinged, the hinged shaft core line of the pawl 232b and accommodation groove are relatively set on the circumferencial direction of 232a It is parallel to the central axis of locking disk 232a, Lock spring 232c is provided between pawl 232b and the wall portion of accommodation groove, is locked One end of spring 232c is fixedly connected with pawl 232b, the other end is fixedly connected with the wall portion of accommodation groove, Lock spring 232c's Elastic force can make the interior tooth engagement of pawl 232b and the ring gear of the second inner ring surface of above-mentioned locking lantern ring 231 and can be unidirectional Transmission is provided with connection ring 233, and locking disk 232a and transmission between the locking disk 232a and transmission driving wheel 240 It is fixedly connected between driving wheel 240 by connection ring 233, when directive wheel 210 drives first rotating shaft 220 to rotate clockwise, lock Determine ring set 231 to rotate clockwise around own axes, pawl 232b is through locking the back of tooth of the ring gear of the second inner ring surface of lantern ring 231 It slips over, locking disk 232a does not rotate, and power cannot be transferred to transmission driving wheel 240, i.e., the first transmission through first rotating shaft 220 Device 20 is in idle running discrete state, and when directive wheel 210 drives first rotating shaft 220 to rotate counterclockwise, locking ring set 231 is around certainly Body axis rotate counterclockwise, and the rotation of locking ring set 231 drives locking disk 232a to rotate counterclockwise, and passes through connection ring 233 Transmission driving wheel 240 is driven to rotate, i.e., the first transmission device 20 is in speed-limiting protection state.

By analyzing above it is found that when carriage is in safe propradation, the motion state of the first transmission device 20 is sky Turn discrete state, power cannot be transferred to the second transmission device 30 by the first transmission device 20, when carriage is in safely dropping shape When state/weightlessness precarious position, the first transmission device 20 is switched to speed-limiting protection state, the first transmission device by idle running discrete state 20 can be transferred to power the second transmission device 30, and be transferred to speed limit locking system 40 by the second transmission device 30.

Second transmission device 30 includes main drive gear 310, auxiliary drive gear 320, the main drive gear 310 driving link is connected with the driven member of the first above-mentioned transmission device 20, the driven member and auxiliary driving machine of main drive gear 310 The driving link of structure 320 is connected, and power can be transferred to auxiliary drive gear 320 by main drive gear 310, and auxiliary drive gear 320 will Power is transferred to speed limit locking system 40.

The motion state of above-mentioned speed limit locking system 40 includes normal condition, lockup state, and normal condition and lock Only between state can free switching, when carriage is in normal falling state, auxiliary drive gear 320 drive speed limit locking system 40 work and it are made to keep normal condition, when carriage is in the i.e. weightless precarious position of the state that hurtles down, auxiliary drive gear 320 driving speed limit locking systems 40 work and it are made to be switched to lockup state by normal condition, to complete the speed limit to carriage It is stagnant to stop, guarantee the safety of passenger in carriage.

The speed limit locking system 40 includes hydraulic gear, lockable mechanism, and above-mentioned auxiliary drive gear 320 can The mechanical energy of itself is transferred to hydraulic gear and is converted into hydraulic energy, then hydraulic gear transmits hydraulic energy To lockable mechanism, hydraulic energy transfer is mechanical energy by lockable mechanism, so that lockable mechanism can carry out speed limit locking to carriage.

As shown in Figure 22, Figure 25-26, above-mentioned hydraulic gear includes gear pump 420, for into gear pump 420 Supply the hydraulic oil container 410 of hydraulic oil, for the circulation network management of hydraulic oil circulation, the gear pump 420 includes master gear 421, pinion 422, the pump housing 424, the first pump cover 425, the second pump cover 426, first pump cover 425, the second pump cover 426 are solid Surely it is connected on the pump housing 424, and constitutes enclosure space between three, which is master gear 421, pinion 422 Accommodating space, the driven member of above-mentioned auxiliary drive gear 320 pass through the first pump cover 425 and stretch in accommodating space and pump with second Lid 426 is flexibly connected, and the master gear 421 is connected with the driven member of auxiliary drive gear 320, auxiliary drive gear 320 it is driven Part can drive master gear 421 to be fixedly installed between own axis, first pump cover 425 and the second pump cover 426 There is connecting shaft 423, one end of connecting shaft 423 is connected with the first pump cover 425, the other end is connected with the second pump cover 426, connecting shaft 423 centerline axis parallel is in the central axis of master gear 421, and the coaxial pivot bush unit of pinion 422 is in connecting shaft 423 Outside, and pinion 422 is engaged with master gear 421, and the driven member driving master gear 421 of above-mentioned auxiliary drive gear 320 rotates, And pinion 422 is driven to rotate, by the hydraulic oil in hydraulic oil container 410 during master gear 421, the rotation of pinion 422 The network management that circulated is sucked into the accommodating space of gear pump 420, so that the mechanical energy of auxiliary drive gear 320 is converted into hydraulic energy.

The motion state of above-mentioned speed limit locking system 40 includes normal condition, lockup state, when speed limit locking system 40 Motion state be normal condition when, the mechanical energy of auxiliary drive gear 320 is converted into hydraulic energy, and the hydraulic energy cannot transmit To lockable mechanism, when the motion state of speed limit locking system 40 is lockup state, the mechanical energy of auxiliary drive gear 320 is converted into Hydraulic energy, which can be transferred to lockable mechanism, and hydraulic energy transfer is mechanical energy by lockable mechanism, thus locking machine Structure can carry out speed limit locking to carriage.

As shown in Fig. 2, Figure 13-23, the second position-limited rack 130, third position-limited rack are additionally provided on above-mentioned mounting rack 10 140, the main drive gear 310 is installed on the second position-limited rack 130, and main drive gear 310 includes installation shell, second turn Axis 311, first sleeve 312, second shaft 311 is in horizontally disposed, and the second shaft 311 is movably connected on mounting shell On body, the input terminal of the second shaft 311 passes through the one side wall of installation shell, output end pass through installation shell another side wall and It being flexibly connected with third position-limited rack 140, above-mentioned driven transmission wheel 250 is coaxially fixedly sheathed in the input terminal of the second shaft 311, Second shaft 311 includes drive section b, the input terminal of light bar segment b, the drive section b close to the second shaft 311, light Rod segment b is provided with external splines on the drive section b of second shaft 311 close to the output end of the second shaft 311, described 312 coaxial sleeve of first sleeve is set to outside the second shaft 311, and is provided with and the second shaft on the inner headed face of first sleeve 312 The internal spline that external splines on 311 drive section b matches, thus when transmission driving wheel 240 drives driven transmission wheel 250 to rotate When, the second shaft 311 around own axis and can drive first sleeve 312 to rotate, same outside the first sleeve 312 Axis fixing sleeve is connected to first bevel gear 313, second bevel gear 314, between the first bevel gear 313 and second bevel gear 314 Away from arrangement, first bevel gear 313 is contrary with the axial force of second bevel gear 314 and mutually deviates from, and the second cone tooth Wheel 314 close to the second shaft 311 the input terminals of input terminal, first bevel gear 313 far from the second shaft 311, in order to improve the The stability of one sleeve 312 rotation, the input terminal of second shaft 311 are provided with the second limiting slot 316, and the second limit The position outer Matching installation restraining position ring block 317 of slot 316, the auxiliary drive gear 320 include third hand tap gear 321, third shaft 322, the 4th shaft 323, the output end of the 4th shaft 323 pass through the first pump cover 425 stretch in accommodating space and It is flexibly connected with the second pump cover 426, the 4th shaft 323 is coaxially fixedly sheathed in the 4th in horizontally disposed, described master gear 421 Outside shaft 323, the third shaft 322 and the 4th shaft 323 are coaxially arranged, and third shaft 322 and the 4th shaft 323 Between be fixedly connected by shaft coupling, the shaft coupling includes the sub- shaft coupling for being fixedly connected on 322 output end of third shaft One 324, the sub- shaft coupling 2 325 of 323 input terminal of the 4th shaft, the sub- shaft coupling 1 and sub- shaft coupling are fixedly connected on Device 2 325 is fixedly and coaxially connected, and the third hand tap gear 321 is coaxially fixedly sheathed in the input terminal of third shaft 322, described Third hand tap gear 321 can be engaged with above-mentioned first bevel gear 313, second bevel gear 314, when carriage normally declines, Third hand tap gear 321 is engaged with first bevel gear 313, when cage descending fast speed, third hand tap gear 321 and the second cone tooth Wheel 314 engagement, by the above-mentioned analysis to first bevel gear 313, second bevel gear 314 it is found that when third hand tap gear 321 respectively with When second bevel gear 314, first bevel gear 313 engage, the rotation direction of third hand tap gear 321 is different, when third hand tap gear 321 When engaging with first bevel gear 313, the second transmission device 30 driving speed limit locking system 40 moves and makes at locking system 40 In normal condition, when third hand tap gear 321 is engaged with second bevel gear 314, the second transmission device 30 drives speed limit locking dress It sets 40 movements and speed limit locking system 40 is made to be in lockup state.

As the above analysis, the meshing state of the different third hand tap gears 321 triggered of the motion state of carriage is different, To which the motion state of the limit locking system 40 of triggering is different, since the position of above-mentioned auxiliary drive gear 320 is fixed, first Bevel gear 313, second bevel gear 314 and first sleeve 312 are fixed, in order to change the meshing state of third hand tap gear 321 Become, therefore, the position of mobile first sleeve 312 can be such that third hand tap gear 321 separates with first bevel gear 313 and with second Bevel gear 314 engages, and second transmission device 30 further includes the transmission switching mechanism that first sleeve 312 can be made to shift 330, the transmission switching mechanism 330 is coaxially socketed with protection cylinder, the transmission switching mechanism 330 and main drive gear outside 310 coaxially arranged and coaxial pivot bush units are in outside the second shaft 311, the end of the first sleeve 312 and close to first External screw thread is provided on bevel gear 313, the transmission switching mechanism 330 includes coaxially being movably set in outside the second shaft 311 Second sleeve 333, coaxial fixing sleeve be set to the sliding sleeve 331 outside the second shaft 311, be provided in the second sleeve 333 The internal screw thread to match with the external screw thread in first sleeve 312, and be connected through a screw thread between the two, the second sleeve It is connected between 333 and sliding sleeve 331 by wobble component, the wobble component includes being set on 331 circumferencial direction of sliding sleeve Swing rod 334, the pull rod 335 being set on 333 circumferencial direction of second sleeve, one end of the swing rod 334 and sliding sleeve 331 are cut with scissors It connects, the suspension end of swing rod 334 is equipped with mass 336, it is preferred that the mass 336 is sphere, the pull rod 335 One end and second sleeve 333 is hinged, the other end and swing rod 334 are hinged, the core of the swing rod 334 and 331 hinged place of sliding sleeve Line, pull rod 335 and the core wire of 333 hinged place of second sleeve, pull rod 335 and the core wire of 334 hinged place of swing rod are perpendicular to second turn The central axis of axis 311, the wobble component are provided with three groups, and three groups of wobble component uniform rings are around being installed on second sleeve 333, on the circumferencial direction of sliding sleeve 331, throw over spring 332 is provided between the second sleeve 333 and ring set 331, it is described The coaxial pivot bush unit of throw over spring 332 in outside the second shaft 311, one end of throw over spring 332 connects with second sleeve 333 Touching, the other end are in contact with sliding sleeve 331, and the elastic force of throw over spring 332 can be such that second sleeve 333 generates far from the fortune of sliding sleeve 331 Dynamic trend, when carriage landing, above-mentioned the first transmission device 20 drives the second shaft 311 around own axis, and second Shaft 311 drives sliding sleeve 331 fixed thereto to rotate synchronously and transmits rotary force from sliding sleeve 331 to second sleeve 333, thus band Dynamic transmission switching mechanism 330 is around the center axis thereof of the second shaft 311, and when carriage sinking speed is very fast, the first transmission is filled 20 the second shafts of driving 311 are set around the fast speed of own axis, to drive second sleeve 333 around own axis Fast speed, therefore, transmission switching mechanism 330 is around the fast speed of the center axis thereof of the second shaft 311, counterweight at this time Object high-speed rotation, under the influence of centrifugal force, swing rod 334 are rotated and are gradually spread out around hinge joint, in the mistake that swing rod 334 is unfolded Cheng Zhong, 334 drawing pull bar 335 of swing rod simultaneously draw direction movement of the second sleeve 333 to close sliding sleeve 331 by pull rod 335, by Be connected through a screw thread between second sleeve 333 and first sleeve 312, therefore, second sleeve 333 to close to sliding sleeve 331 side To drawing first sleeve 312 during movement to mobile close to the direction of sliding sleeve 331, thus third hand tap gear 321 and first Bevel gear 313 is detached from and engages with second bevel gear 314, when third hand tap gear 321 is engaged with second bevel gear 314, the Two transmission devices 30 driving speed limit locking system 40 moves and speed limit locking system 40 is made to be in lockup state.

More specifically, in order to maintain the lockup state of locking system 40, guarantee that locking system 40 can continue working simultaneously And be finally completed and slow drop locking is carried out to carriage, i.e. guarantee third hand tap gear 321 is engaged with 314 duration of second bevel gear, because This wobble component needs to keep unfolded state, in order to make wobble component maintain unfolded state, 333 barrel of second sleeve The limit element 337 for being limited to second sleeve 333, the cylinder of the second sleeve 333 are provided on circumferencial direction The accommodating hole through its thickness is provided on wall, the central axis upright of the accommodating hole is in the central axis of the second shaft 311 Line, the limit element 337 are installed in accommodating hole.

As shown in figs. 19-21, above-mentioned limit element 337 includes limit shell 337a, gag lever post 337b, limit spring 337d, the limit shell 337a are the cylinder of both ends open, limit the central axis and second sleeve 333 of shell 337a The central axis upright of accommodating hole, the gag lever post 337b Matching installation is in the inner cavity of limit shell 337a, the limit It is provided with external step 337c on the circumferencial direction of bar 337b and close to the second shaft 311, limit spring 337d is coaxially socketed on Outside gag lever post 337b, the external step 337c on one end of limit spring 337d and gag lever post 337b offsets, the other end and limit The end of shell 337a offsets, and the elastic force of limit spring 337d can make gag lever post 337b to the direction close to the second shaft 311 It is mobile, the first limiting slot 315 is provided in second shaft 311 and close to the output end of the second shaft 311, described the One limiting slot 315 is surrounded on the circumferencial direction of the second shaft 311, and when wobble component is in unfolded state, gag lever post 337b exists It is stretched in the first limiting slot 315 under the elastic force effect of limit spring 337d, the cooperation of gag lever post 337b and the first limiting slot 315 Wobble component is set to keep unfolded state, thus guarantee that third hand tap gear 321 is engaged with 314 duration of second bevel gear, locking dress It sets 40 and can continue working and be finally completed that carriage delay and drop locking.

As shown in figure 25, above-mentioned circulation network management includes first Netcom's pipe 430, second Netcom's pipe 440, third Netcom pipe 450, first Netcom's pipe 430 includes the first communicating pipe 431, overflow valve 432, four-way pipe 433, the second communicating pipe 435, the Two Netcom's pipes 440 include third connecting pipe 441, second one-way valve 442, third check valve 443, the 4th communicating pipe 444, tee tube 445, third Netcom pipe 450 include the 5th communicating pipe 451, the 6th communicating pipe 452, one end of first communicating pipe 431 with Hydraulic oil container 410 is connected, the other end is connected with four-way pipe 433, one end of second communicating pipe 435 and hydraulic oil container Be connected, the other end is connected with four-way pipe 433, the four-way pipe 433 is also connected with gear pump 420, the third One end of communicating pipe 441 is connected with hydraulic oil container 410, the other end is connected with tee tube 445, the 4th communicating pipe 444 one end is connected with hydraulic oil container 410, the other end is connected with tee tube 445, and the tee tube 445 is gone back and gear Pump 420 is connected, and flows into the second communicating pipe 435, the 4th communicating pipe 444, second communicating pipe for the ease of hydraulic oil 435, the connectivity part of the 4th communicating pipe 444 and hydraulic oil container 410 is close to the bottom of hydraulic oil container 410, second communicating pipe First check valve 434 is installed between 435 and four-way pipe 433, is equipped with second between third connecting pipe 441 and tee tube 445 Check valve 442 is equipped with third check valve 443 between the 4th communicating pipe 444 and tee tube, first check valve 434 One-way flow direction is to flow to four-way pipe 433 second communicating pipe 435, and the one-way flow direction of third check valve 443 is the 4th company Siphunculus 444 flows to tee tube 445, and the one-way flow direction of second one-way valve 442 is that tee tube 445 flows to third connecting pipe 441, It is oppositely arranged at the connection of tee tube 445 Yu the gear pump 420, at the connection of four-way pipe 433 and gear pump 420 and Between gear clearance in master gear 421 and pinion 422, communicating valve 436, institute are also communicated on the four-way pipe 433 The communicating valve 436 stated is connected by the 5th communicating pipe 451, the 6th communicating pipe 452 with lockable mechanism, the four-way pipe 433 The overflow valve 432 for overload protection is provided between the first communicating pipe 431.

When carriage normally declines, third hand tap gear 321 is engaged with first bevel gear 313, the driving of the first transmission device 20 Second shaft 311 rotates and first sleeve 312 is driven to rotate synchronously, so that first bevel gear 313 is driven to rotate synchronously, the first cone The rotation of gear 313 drives third hand tap gear 321 to rotate, and the rotation of third hand tap gear 321 drives third shaft 322 to rotate and leads to It crosses shaft coupling and drives the rotation of the 4th shaft 323, the rotation of the 4th shaft 323 drives first gear 421 to rotate, and 421 turns of first gear It is dynamic that second gear 422 is driven to rotate, at this point, first gear 421, the rotation direction of second gear 422 are normal rotation direction；When When cage descending fast speed, third hand tap gear 321 is engaged with second bevel gear 314, and third hand tap gear 321 rotates backward, from And it drives first gear 421, second gear 422 to rotate backward and is locking rotation direction.

When carriage normally declines, first gear 421, the rotation direction of second gear 422 are normal rotation direction, hydraulic oil It is flowed through the first check valve 434 the second communicating pipe 435 of hydraulic oil in case 410, and flows into four-way pipe through the first check valve 434 433, due to the rotation of first gear 421, second gear 422, gear pump 420 generates suction to hydraulic oil, and hydraulic oil is by four-way Pipe 433 flows to gear pump 420 and subsequently enters in gear pump 420 and between gear clearance, first gear 421, second During 422 engagement rotation of gear, hydraulic oil flows into second one-way valve 442 through tee tube 445, then flows into third connecting pipe It 441 and flows into hydraulic oil container 410, therefore, the mechanical energy of auxiliary drive gear 320 is converted into hydraulic energy, and the hydraulic energy is not Lockable mechanism can be transferred to；When cage descending fast speed, third hand tap gear 321 is engaged with second bevel gear 314, third cone Gear 321 rotates backward, thus drive first gear 421, second gear 422 to rotate backward and be locking rotation direction, it is hydraulic Hydraulic oil in fuel tank 410 flows into third check valve 443 through the 4th communicating pipe 444, and flows to tee tube 445, then flows into It is hydraulic during first gear 421,422 engagement rotation of second gear in gear pump 420 and between gear clearance Oil flows into communicating valve 436 through four-way pipe 433, and through flowing into the 5th communicating pipe 451, the 6th communicating pipe 452 lockable mechanism, pair is passed The mechanical energy of motivation structure 320 is converted into hydraulic energy, which can be transferred to lockable mechanism, and lockable mechanism is by hydraulic energy It is converted into mechanical energy, so that lockable mechanism can carry out speed limit locking to carriage, when cage descending speed is accelerated, first gear 421, the revolving speed of second gear 422 increases, and increases so as to cause the flow velocity of hydraulic oil, at this point, overflow valve 432 is in open shape State, hydraulic oil can flow into for the first communicating pipe 431 through overflow valve 432 and flow into hydraulic oil container 410, even if extra hydraulic oil Flow overflows back in hydraulic oil container 410, to carry out overload protection to hydraulic gear and be allowed in pressure stabilizing state.

As shown in Fig. 2, Figure 24, Figure 28-30, the bottom of above-mentioned main frame body 110 is vertically arranged with the in parallel arrangement One mounting plate 150, the second mounting plate 160, and the first mounting plate 150, the second mounting plate 160 and above-mentioned first rotating shaft 220 Central axis upright, the lockable mechanism is installed between the first mounting plate 150, the second mounting plate 160, and at lifting rope Between the first mounting plate 150 and the second mounting plate 160, lockable mechanism can carry out locking to lifting rope, to inhibit carriage Rapid decrease, the lockable mechanism include the first lockable mechanism 460, the second lockable mechanism 470, the 6th above-mentioned communicating pipe 452 are connected with the first lockable mechanism 460, and the 5th communicating pipe 451 was connected with the second lockable mechanism 470, first lock Locking mechanism 460, the second lockable mechanism 470 structure it is identical and include speed limit blocking element, the speed limit blocking element packet Include cylinder body 461, fixed plate 465, clamping plate 2 467, the first limit plate 468, the second limit plate 469, first limit plate 468 are fixedly installed on the second mounting plate 160, and the second limit plate 469 is fixedly installed on the first mounting plate 150, and first Limit plate 468, the second limit plate 469 are between the first mounting plate 150 and the second mounting plate 160, the fixed plate 465, Clamping plate 2 467 is fixedly installed between the first limit plate 468 and the second limit plate 469, the fixed plate 465, clamping plate 2 467 are arranged vertically, and the cylinder body 461 is installed on the first limit plate 468, on the second limit plate 469, and cylinder body 461 Central axis extended line be between the first limit plate 468, the second limit plate 469 and in fixed plate 465 and clamp Between plate 2 467, it was connected with the cylinder body 461 on the first lockable mechanism 460 the 6th communicating pipe 452, the 5th communicating pipe 451 and Cylinder body 461 on two lockable mechanisms 470 is connected, and the cylinder body 461 is arranged vertically, and cylinder body 461 includes cylinder barrel, cylinder cap 461a, hydraulic stem 462, piston 461b, the cylinder barrel are the tube structure of both ends open, and cylinder cap 461a Matching installation is in cylinder barrel An open end be allowed to as closed end, the piston 461b, hydraulic stem 462 are coaxially socketed in cylinder barrel, and piston 461b is close Cylinder cap 461a, and one end of hydraulic stem 462 is connected with piston 461b and is piston end, and the other end of hydraulic stem 462 is pierced by cylinder Another opening of cylinder and it is promote-side, another opening of the cylinder barrel and 462 sliding contact of hydraulic stem and is sliding end, cylinder barrel Interior formation enclosure space, is coaxially socketed with buffer spring 461c outside the hydraulic stem 462, and the one of the buffer spring 461c The sliding end for contradicting connection, the other end and cylinder barrel with piston 461b is held to offset, the elastic force of buffer spring 461c can make hydraulic stem 462 to close to the movement of the direction of cylinder cap 461a, and above-mentioned speed limit blocking element further includes the work for being connected to 462 promote-side of hydraulic stem Dynamic clamping element, the movable clamping element includes first connecting rod 463, second connecting rod 464, clamping plate 1, the folder Tight plate 1 is vertically arranged between fixed plate 465 and clamping plate 2 467, and the first connecting rod 463, second connecting rod 464 incline Tiltedly it is set between clamping plate 1 and fixed plate 465, first connecting rod 463, second connecting rod 464 are arranged in parallel spacing, first One end of connecting rod 463, one end of second connecting rod 464 and clamping plate 1 are hinged, the other end, the second connecting rod of first connecting rod 463 464 other end and fixed plate 465 are hinged, the first connecting rod 463 close to hydraulic stem 462, the promote-side of hydraulic stem 462 with The middle part of first connecting rod 463 is hinged, the core wire of the hinged place of first connecting rod 463 and clamping plate 1, second connecting rod 464 with The core wire of the hinged place of the core wire of the hinged place of clamping plate 1, first connecting rod 463 and fixed plate 465, second connecting rod 464 with Core wire, hydraulic stem 462 and the core wire of the hinged place of first connecting rod 463 of the hinged place of fixed plate 465 are in horizontally disposed and hang down Directly in the central axis of hydraulic stem 462.

Above-mentioned lifting rope is between clamping plate 1 and clamping plate 2 467, when the decrease speed of carriage is very fast, lock Locking mechanism work, hydraulic oil flowed into the cylinder body 461 on the first lockable mechanism 460 through the 6th communicating pipe 452, through the 5th communicating pipe 451 flow into the cylinder body 461 on the second lockable mechanism 470, and the first lockable mechanism 460, the second lockable mechanism 470 turn hydraulic energy Mechanical energy is turned to, to carry out locking, specific manifestation to lifting rope are as follows: the hydraulic oil flowed into cylinder barrel pushes piston 461b to push away Hydrodynamic compression bar 462 is mobile to the direction far from cylinder cap 461a, and then hydraulic stem 462 pushes first connecting rod 463 around first connecting rod 463 It is rotated with 465 hinged place of fixed plate, then first connecting rod 463 pushes clamping plate 1 to move to the direction close to clamping plate 2 467 It is dynamic, it can be carried out in lifting rope between the two during the direction of clamping plate 1 to close clamping plate 2 467 is mobile It clamps, to inhibit hurtling down for carriage, guarantees the safety of passenger in carriage.

More specifically, it when carriage is in normal falling state, is not required to be clamped lifting rope, therefore, above-mentioned is slow Rushing the elastic force of spring 461c, can to make hydraulic stem 462 mobile to the direction close to cylinder cap 461a, to make clamping plate 1 to remote Direction from clamping plate 2 467 is mobile, avoids the friction between lifting rope and clamping plate 1, clamping plate 2 467, extends The service life of lifting rope.

More perfect, above-mentioned clamping plate 1, clamping plate 2 467 end face close to each other are provided with and lifting rope phase Matched arc groove, the meaning designed in this way is, when being clamped to lifting rope, lifting rope is in the arc of clamping plate 1 Between connected in star and the arc groove of clamping plate 2 467, the contact surface of clamping plate 1, clamping plate 2 467 and lifting rope is increased Product, so as to increase the clamping force of 2 467 pairs of clamping plate 1, clamping plate lifting ropes, to improve locking effect.

The high security means of delivery of lift car, step are:

(1) carriage normally declines process:

S1. the transmission process of the first transmission device 20, when directive wheel 210 drives first rotating shaft 220 to rotate counterclockwise, locking Ring set 231 is rotated counterclockwise around own axes, and the rotation of locking ring set 231 drives locking disk 232a to rotate counterclockwise, and leads to Crossing connection ring 233 drives transmission driving wheel 240 to rotate, so that driven transmission wheel 250 be driven to rotate, driven transmission wheel 250 is rotated Drive the second actuator movement；

S2. the transmission process of the second transmission device 30: the first transmission device 20 drives the second shaft 311 to rotate and simultaneously drives first set Cylinder 312 rotates synchronously, so that first bevel gear 313 be driven to rotate synchronously, the rotation of first bevel gear 313 drives third hand tap gear 321 rotations, the rotation of third hand tap gear 321 drive the rotation of third shaft 322 and drive 323 turns of the 4th shaft by shaft coupling It is dynamic；

S3. the energy conversion process of speed limit locking system 40: above-mentioned the 4th shaft 323 rotation drives first gear 421 to rotate, The rotation of first gear 421 drives second gear 422 to rotate, at this point, the rotation direction of first gear 421, second gear 422 is positive Normal rotation direction is flowed through the first check valve 434 in hydraulic oil container 410 the second communicating pipe 435 of hydraulic oil, and single through first Four-way pipe 433 is flowed into valve 434, due to the rotation of first gear 421, second gear 422, gear pump 420 generates hydraulic oil Suction subsequently enters in gear pump 420 and between gear clearance, first gear 421,422 engagement rotation of second gear During, hydraulic oil flows into second one-way valve 442 through tee tube 445, then flows into third connecting pipe 441 and flows into hydraulic oil In case 410, therefore, the mechanical energy of auxiliary drive gear 320 is converted into hydraulic energy, and the hydraulic energy cannot be transferred to locking machine Structure；

(2) carriage is in fast drop course:

S4. the conversion process of transmission switching mechanism 330: the first transmission device 20 drives the second shaft 311 around own axis Fast speed, to drive second sleeve 333 around the fast speed of own axis, therefore, transmission switching mechanism 330 around The fast speed of the center axis thereof of second shaft 311, mass high-speed rotation at this time, under the influence of centrifugal force, swing rod 334 rotate and gradually spread out around hinge joint, and during swing rod 334 is unfolded, 334 drawing pull bar 335 of swing rod simultaneously passes through drawing The direction that bar 335 draws second sleeve 333 to close sliding sleeve 331 is mobile, due between second sleeve 333 and first sleeve 312 Be connected through a screw thread, therefore, second sleeve 333 to the direction close to sliding sleeve 331 it is mobile during draw first sleeve 312 to Direction close to sliding sleeve 331 is mobile, thus third hand tap gear 321 and first bevel gear 313 be detached from and with second bevel gear 314 Engagement, third hand tap gear 321 rotate backward, so that first gear 421, second gear 422 be driven to rotate backward and turn for locking Dynamic direction；

S5. the energy conversion process of speed limit locking system 40: the hydraulic oil in hydraulic oil container 410 is flowed into through the 4th communicating pipe 444 Third check valve 443, and tee tube 445 is flowed to, it then flows into gear pump 420 and between gear clearance, first During gear 421,422 engagement rotation of second gear, hydraulic oil flows into communicating valve 436 through four-way pipe 433, and through the 5th Communicating pipe 451, the 6th communicating pipe 452 flow into lockable mechanism, and the mechanical energy of auxiliary drive gear 320 is converted into hydraulic energy, this is hydraulic It can be transferred to lockable mechanism, and hydraulic energy transfer is mechanical energy by lockable mechanism, so that lockable mechanism can be to carriage Carry out speed limit locking；

S6. the locking process of lockable mechanism: hydraulic oil flows into the cylinder body 461 on the first lockable mechanism 460 through the 6th communicating pipe 452 It is interior, through the 5th communicating pipe 451 flow into the second lockable mechanism 470 on cylinder body 461 in, the first lockable mechanism 460, the second locking machine Hydraulic energy transfer is mechanical energy by structure 470, to carry out locking, specific manifestation to lifting rope are as follows: the hydraulic oil flowed into cylinder barrel pushes away Piston 461b is to push hydraulic stem 462 mobile to the direction far from cylinder cap 461a, and then hydraulic stem 462 pushes first connecting rod 463 rotate around first connecting rod 463 and 465 hinged place of fixed plate, and then first connecting rod 463 pushes clamping plate 1 to close to folder The direction of tight plate 2 467 is mobile, clamping plate 1 to close to the direction of clamping plate 2 467 it is mobile during can be to being in Lifting rope between the two is clamped, to inhibit hurtling down for carriage, guarantees the safety of passenger in carriage.

The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention； Various modifications to these embodiments will be readily apparent to those skilled in the art, defined in the present invention General Principle can be realized in other embodiments in the case where not departing from spirit or scope of the invention.Therefore, originally Invention will not be defined to the embodiments shown herein, and be to fit to and the principles and novel features disclosed herein Consistent widest scope.

Claims

1. the high security means of delivery of lift car, method are:

(1) carriage normally declines process:

(2) carriage is in fast drop course: