CN112607552A - Multiple anti-falling hoisting mechanism - Google Patents
Multiple anti-falling hoisting mechanism Download PDFInfo
- Publication number
- CN112607552A CN112607552A CN202011510880.9A CN202011510880A CN112607552A CN 112607552 A CN112607552 A CN 112607552A CN 202011510880 A CN202011510880 A CN 202011510880A CN 112607552 A CN112607552 A CN 112607552A
- Authority
- CN
- China
- Prior art keywords
- car
- sleeved
- swing arm
- outer frame
- brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3492—Position or motion detectors or driving means for the detector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
- B66B11/0266—Passive systems
- B66B11/0273—Passive systems acting between car and supporting frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a multiple anti-falling hoisting mechanism which comprises a vertical outer frame, wherein a slidable car is arranged in the vertical outer frame, and a power assembly is arranged at the top of the vertical outer frame and drives the car to slide up and down; a centrifugal brake mechanism is arranged between the vertical outer frame and the car, the centrifugal brake mechanism comprises an expansion ring, an expanding agent is arranged in the expansion ring, the expansion ring is expanded by the impact of the expanding agent to reduce the car, the falling condition can be automatically detected, the car and the outer frame are clamped by expansion, the speed of the car is reduced or the car is clamped, and the car is prevented from falling; a blocking buffer mechanism is arranged below the lift car to form secondary anti-falling, so that the safety coefficient is higher; the guide rail clamp is arranged, and signals are fed back through an acceleration sensor, a speed sensor and a position feedback sensor in a centrifugal brake mechanism, so that single detection failure is prevented; the counterweight mechanism is provided with anti-falling measures on the same level as the lift car, so that the counterweight is prevented from falling.
Description
Technical Field
The invention relates to the field of construction machinery, in particular to a multiple anti-falling hoisting mechanism.
Background
The traditional hoisting mechanism for the building site is generally used for preventing falling, a damping and buffering device is mounted on a bottom plate of the hoisting mechanism, when the hoisting mechanism falls down to contact with the ground, the impact of the reaction force from the ground is reduced, so that the falling prevention effect is achieved, but the damping device is simple in construction and convenient to mount and dismount, but the falling prevention performance is poor, particularly when the floor is high, the damage of the hoisting mechanism by huge gravitational potential energy cannot be estimated, and therefore the hoisting mechanism for the building site with the high falling prevention performance needs to be designed. The prior art refers to a structure recorded in a falling prevention device of an elevator in a building site, and the mechanism is provided with an obstacle layer, so that falling prevention of the falling elevator is realized, the deceleration time is short, and large impact is easily caused.
Disclosure of Invention
The invention provides a multiple anti-falling hoisting mechanism, which solves the problems of poor anti-falling performance and easy danger of the existing hoisting mechanism.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a multiple anti-falling hoisting mechanism comprises a vertical outer frame, wherein a slidable car is arranged in the vertical outer frame, a power assembly is arranged at the top of the vertical outer frame, and the power assembly drives the car to slide up and down;
be equipped with centrifugal brake mechanism between vertical frame and the car, centrifugal brake mechanism includes the expansion loop, is equipped with the swelling agent in the expansion loop, and the swelling agent receives the striking and makes the expansion loop inflation be used for decelerating the car.
In the preferred scheme, the expansion ring is provided with skeleton cover plates on two sides, the skeleton cover plates are provided with a plurality of support sheets, the support sheets are sleeved with inner rings of the expansion ring, the expansion ring and the skeleton cover plates form a fixed wheel assembly, a rotatable centrifugal rotor is arranged in the fixed wheel assembly and used for impacting an expanding agent, a driving wheel is arranged on one side of the fixed wheel assembly and abutted against a vertical outer frame to rotate, a central shaft is further arranged, the driving wheel and the centrifugal rotor are connected through the central shaft, the central shaft penetrates through the fixed wheel assembly and the driving wheel, support assemblies are further rotatably sleeved at two ends of the central shaft, and the support.
In the preferred scheme, a bulge cavity is arranged on the expansion ring, and the expanding agent is arranged in the bulge cavity;
the centrifugal rotor comprises a swing arm and a swing arm connecting frame, the swing arm is hinged to the swing arm connecting frame, a swing arm tension spring is arranged between the swing arm and the swing arm connecting frame, and two ends of the swing arm tension spring are respectively connected with the swing arm and the swing arm connecting frame.
In a preferred scheme, the support component comprises a connecting support, a waist-shaped sliding groove is arranged in the connecting support, a shaft sleeve is sleeved in the waist-shaped sliding groove, and the shaft sleeve is rotatably sleeved with the central shaft;
a movable plunger is further arranged in the waist-shaped sliding groove, a shaft sleeve bayonet lock is arranged at one end of the movable plunger, a groove clamping position is arranged on the shaft sleeve, the shaft sleeve bayonet lock is clamped in the groove clamping position, a plunger cylinder is sleeved outside the movable plunger, a pressing block is arranged on one side of the movable plunger, a plunger spring is arranged between the movable plunger and the pressing block, and two ends of the plunger spring respectively abut against the movable plunger and the pressing block;
the plunger jackscrew penetrates through the connecting support and abuts against the plunger barrel;
the support component further comprises a fixed wheel bayonet lock, a waist-shaped clamping groove is further formed in the framework cover plate, and the fixed wheel bayonet lock penetrates through the connecting support and is clamped in the waist-shaped clamping groove.
In a preferred scheme, the support assembly further comprises a sensor, and the sensor is used for detecting the position of the central shaft;
a braking jaw clamp is arranged between the lift car and the vertical outer frame and is connected with the lift car, and the braking jaw clamp is used for clamping a lift car guide rail on the vertical outer frame;
the sensor is electrically connected with the brake clamp through the control cabinet;
the car is also provided with a speed sensor and an acceleration sensor which are electrically connected with the braking clamp through a control cabinet.
In the preferred scheme, a car buffering and blocking mechanism is arranged below a car and comprises a first connecting frame, first guide seats are arranged at least four corners of the first connecting frame, a first guide pillar is sleeved in the first guide seats in a sliding mode, the lower end of the first guide pillar is connected with a first base, a first buffer spring is sleeved on the outer side of the first guide pillar in a sleeved mode, and two ends of the first buffer spring are abutted to the first base and the first connecting frame respectively;
a second connecting frame is arranged above the first connecting frame, second guide seats are arranged at least at four corners of the second connecting frame, a second guide pillar is sleeved in each second guide seat in a sliding mode, the lower end of each second guide pillar is connected with a second base, the second base is connected with the first connecting frame, a second buffer spring is sleeved on the outer side of each second guide pillar in a sleeved mode, and two ends of each second buffer spring are abutted to the second base and the second connecting frame respectively;
at least four corners of the second connecting frame are provided with heightening supports, and the upper ends of the heightening supports are connected with first buffer blocks.
In the preferred scheme, counterweight mechanisms capable of sliding up and down are arranged on two sides of the lift car, the counterweight mechanisms are connected with the lift car through chains, a centrifugal brake mechanism and a brake clamp are arranged between the counterweight mechanisms and the vertical outer frame, and the centrifugal brake mechanism is electrically connected with the brake clamp through a control cabinet;
and the counterweight mechanism is also provided with a speed sensor and an acceleration sensor which are electrically connected with the braking clamp through a control cabinet.
In the preferred scheme, the power assembly comprises a speed reducing motor, a transfer reduction gearbox is arranged on one side of the speed reducing motor, the speed reducing motor drives the transfer reduction gearbox to rotate, transmission shafts are arranged on two sides of the transfer reduction gearbox, a second chain wheel is sleeved on each transmission shaft, and the transfer reduction gearbox is connected with the second chain wheel through a chain;
the two ends of the transmission shaft are sleeved with first chain wheels, the upper side of the transmission shaft is covered with a protective cover, a transmission chain is arranged between the protective cover and the first chain wheels, one end of the transmission chain is connected with the lift car, the other end of the transmission chain is connected with a counterweight mechanism, the two ends of the transmission shaft are also sleeved with second belt seat bearings, a rack is arranged below the second belt seat bearings, and the second belt seat bearings are connected with the vertical outer frame through the rack;
the two sides of the transfer reduction gearbox are provided with connecting plates, a first belt seat bearing is arranged on the connecting plates and connected with a tensioning wheel shaft, the tensioning wheel is used for tensioning a chain, an adjusting block is further arranged on the connecting plates, and a screw penetrates through the adjusting block and abuts against the first belt seat bearing.
In the preferred scheme, a brake band-type brake is sleeved at one end of a transmission shaft and comprises a fixed ring, a movable ring and a band-type block, the band-type block is fixedly sleeved with the transmission shaft, the fixed ring is used for being electrified to adsorb the movable ring, a band-type brake mounting plate is arranged between the fixed ring and a rack, and the brake band-type brake is connected with the rack through the band-type brake mounting plate.
In the preferred scheme, a counterweight blocking buffer mechanism is arranged below the counterweight mechanism and comprises a heightening base, a transition plate is arranged above the heightening base, third guide seats are arranged at two ends of the transition plate, third guide pillars are sleeved in the third guide seats in a sliding mode, the lower ends of the third guide pillars are connected with the heightening base, third buffer springs are sleeved on the outer sides of the third guide pillars, two ends of each third buffer spring are respectively abutted against the heightening base and the transition plate, and second buffer blocks are further connected to two ends of the transition plate.
The invention has the beneficial effects that: the centrifugal brake mechanism is arranged, so that the falling condition can be automatically detected, the car and the outer frame are clamped through expansion, the speed of the car is reduced or the car is clamped, and falling is prevented; a blocking buffer mechanism is arranged below the lift car to form secondary anti-falling, so that the safety coefficient is higher; the guide rail clamp is arranged, and signals are fed back through an acceleration sensor, a speed sensor and a position feedback sensor in a centrifugal brake mechanism, so that single detection failure is prevented; the counterweight mechanism is provided with anti-falling measures in the same level as the lift car, so that the counterweight is prevented from falling; the car or the counterweight can be clamped by tightly holding the transmission shaft between the counterweight and the car through the brake, so that the car and the counterweight are prevented from falling simultaneously.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic of the present invention.
Fig. 2 is a schematic diagram of the power mechanism of the present invention.
Fig. 3 is a schematic view of the car blocking buffer mechanism of the present invention.
Fig. 4 is a schematic view of the counterweight blocking cushioning mechanism of the present invention.
FIG. 5 is a schematic view of the centrifugal brake mechanism of the present invention.
FIG. 6 is a cross-sectional view of the carrier assembly of the centrifugal brake mechanism of the present invention.
Fig. 7 is an exploded view of the centrifugal brake mechanism of the present invention.
FIG. 8 is a schematic view of the inside of the fixed wheel of the centrifugal brake mechanism of the present invention.
Fig. 9 is a schematic view of the invention at a.
Fig. 10 is a schematic view of the invention at B.
Fig. 11 is a cross-sectional view at C of the present invention.
Fig. 12 is a schematic view of the invention at D.
In the figure: a vertical outer frame 1; a power assembly 2; a reduction motor 201; a transfer gearbox 202; a drive shaft 203; a shield 204; a frame 205; a brake band-type brake 206; a tension pulley 207; a first pedestal bearing 208; an adjustment block 209; a connecting plate 210; the band-type brake mounting plate 211; a fixed ring 212; a moving coil 213; a hugging block 214; a second pedestal bearing 215; a first sprocket 216; a drive chain 217; a second sprocket 218; a car 3; a counterweight mechanism 4; a car buffer blocking mechanism 5; a first base 501; a first buffer spring 502; a first guide 503; a first connection frame 504; a second base 505; a second buffer spring 506; a second connection frame 507; a second guide 508; a step-up support 509; a first buffer block 510; a first guide post 511; a second guide post 512; a counterweight blocking buffer mechanism 6; a raising base 601; a transition plate 602; a third buffer spring 603; a third guide seat 604; a third guide post 605; a second buffer block 606; a centrifugal brake mechanism 7; a seat assembly 701; a fixed wheel assembly 702; a sensor 703; a fixed wheel bayonet 704; a connection support 705; a shaft sleeve 706; a plunger barrel 707; a compression block 708; a plunger tip 709; a movable plunger 710; a shaft sleeve bayonet 711; a groove detent 712; a plunger spring 713; a driving wheel 714; a skeletal cover plate 715; a central axis 716; a centrifugal rotor 717; an expansion ring 718; a waist-shaped catch 719; a support plate 720; a swing arm 721; a swing arm link 722; an expanding agent 723; a swing arm tension spring 724; a bulge cavity 725; a kidney chute 726; the jaws 8 are braked.
Detailed Description
As shown in fig. 1-12, a multiple anti-falling hoisting mechanism comprises a vertical outer frame 1, a slidable car 3 is arranged in the vertical outer frame 1, a power assembly 2 is arranged at the top of the vertical outer frame 1, and the power assembly 2 drives the car 3 to slide up and down;
a centrifugal brake mechanism 7 is arranged between the vertical outer frame 1 and the car 3, the centrifugal brake mechanism 7 comprises an expansion ring 718, an expanding agent 723 is arranged in the expansion ring 718, and the expanding agent 723 is impacted to expand the expansion ring 718 for decelerating the car 3;
the expansion ring 718 is made of rubber and other soft materials which are easy to deform, the expansion agent 723 can be a mixture of silver fulminate, NaN3 oxidant and the like, the silver fulminate explodes to increase the temperature after being vibrated, NaN3 is heated and decomposed to generate nitrogen, the expansion ring 718 expands, the car 3 is clamped and is subjected to friction deceleration, the oxidant oxidizes unstable simple substances Na, and the contact danger during replacement is avoided.
In a preferable scheme, framework cover plates 715 are arranged on two sides of an expansion ring 718, a plurality of support plates 720 are arranged on the framework cover plates 715, the support plates 720 are sleeved with inner rings of the expansion ring 718, the expansion ring 718 and the framework cover plates 715 form a fixed wheel assembly 702, a rotatable centrifugal rotor 717 is arranged in the fixed wheel assembly 702, the centrifugal rotor 717 is used for impacting an expanding agent 723, a driving wheel 714 is arranged on one side of the fixed wheel assembly 702, the driving wheel 714 abuts against the vertical outer frame 1 to rotate, a central shaft 716 is further arranged, the driving wheel 714 is connected with the centrifugal rotor 717 through the central shaft 716, the central shaft 716 penetrates through the fixed wheel assembly 702 and the driving wheel 714, support assemblies 701 are further rotatably sleeved at two ends of the central shaft;
the fixed wheel assembly 702 is connected with the car 3 and does not participate in rotation, the driving wheel 714 abuts against a guide rail of the vertical outer frame 1, and when the car 3 moves, the driving wheel 714 drives the centrifugal rotor 717 to rotate in a linkage mode through the central shaft 716.
In a preferred scheme, a bulge cavity 725 is arranged on the expansion ring 718, and an expanding agent 723 is arranged in the bulge cavity 725;
the centrifugal rotor 717 comprises a swing arm 721 and a swing arm connecting frame 722, the swing arm 721 is hinged with the swing arm connecting frame 722, a swing arm tension spring 724 is arranged between the swing arm 721 and the swing arm connecting frame 722, and two ends of the swing arm tension spring 724 are respectively connected with the swing arm 721 and the swing arm connecting frame 722;
when the dropping speed reaches a certain degree, the swing arm 721 is acted by centrifugal force, the angle between the swing arm and the swing arm connecting frame is gradually opened, the rotating radius is increased, until the expanding agent 723 arranged in the bulge cavity 725 is impacted, and the expanding agent 723 reacts to release gas to expand the expansion ring 718.
In a preferred scheme, the support assembly 701 comprises a connecting support 705, a waist-shaped sliding groove 726 is arranged in the connecting support 705, a shaft sleeve 706 is sleeved in the waist-shaped sliding groove 726, and the shaft sleeve 706 is rotatably sleeved with the central shaft 716;
a movable plunger 710 is further arranged in the kidney-shaped sliding groove 726, one end of the movable plunger 710 is provided with a shaft sleeve bayonet 711, the shaft sleeve 706 is provided with a groove clamping position 712, the shaft sleeve bayonet 711 is clamped in the groove clamping position 712, the outer side of the movable plunger 710 is sleeved with a plunger cylinder 707, one side of the movable plunger 710 is provided with a pressing block 708, a plunger spring 713 is arranged between the movable plunger 710 and the pressing block 708, and two ends of the plunger spring 713 respectively abut against the movable plunger 710 and the pressing block 708;
a plunger jackscrew 709 is further arranged, and the plunger jackscrew 709 penetrates through the connecting support 705 to abut against the plunger barrel 707;
the support assembly 701 further comprises a fixed wheel bayonet lock 704, a waist-shaped clamping groove 719 is further formed in the framework cover plate 715, and the fixed wheel bayonet lock 704 penetrates through the connecting support 705 to be clamped in the waist-shaped clamping groove 719;
when the expansion ring 718 expands to increase in diameter and the diameter increases to contact with the guide rail on the vertical outer frame 1, the reaction force presses the fixed wheel assembly 702, the shaft sleeve 706 is driven by the central shaft 716 to move in the kidney-shaped sliding groove 726 and compress the plunger spring 713 until the sensor 703 detects the central shaft 716, a signal is sent to the control cabinet, and the braking jaw 8 clamps the guide rail, so that double anti-falling guarantee is provided.
In a preferred embodiment, the support assembly 701 further comprises a sensor 703, the sensor 703 being configured to detect the position of the central axis 716;
a brake jaw 8 is further arranged between the car 3 and the vertical outer frame 1, the brake jaw 8 is connected with the car 3, and the brake jaw 8 is used for clamping a car guide rail on the vertical outer frame 1;
the sensor 703 is electrically connected with the brake clamp 8 through the control cabinet;
the car 3 is also provided with a speed sensor and an acceleration sensor which are electrically connected with the brake clamp 8 through a control cabinet;
when the speed sensor or the acceleration sensor detects that the speed or the acceleration is too large, the control cabinet controls the brake clamp 8 to clamp the guide rail.
In a preferable scheme, a car buffering and blocking mechanism 5 is arranged below a car 3, the car buffering and blocking mechanism 5 comprises a first connecting frame 504, at least four corners of the first connecting frame 504 are provided with first guide seats 503, a first guide pillar 511 is sleeved in the first guide seats 503 in a sliding manner, the lower end of the first guide pillar 511 is connected with a first base 501, a first buffer spring 502 is sleeved outside the first guide pillar 511, and two ends of the first buffer spring 502 are respectively abutted against the first base 501 and the first connecting frame 504;
a second connecting frame 507 is arranged above the first connecting frame 504, second guide seats 508 are arranged at least four corners of the second connecting frame 507, a second guide pillar 512 is sleeved in the second guide seat 508 in a sliding manner, the lower end of the second guide pillar 512 is connected with a second base 505, the second base 505 is connected with the first connecting frame 504, a second buffer spring 506 is sleeved outside the second guide pillar 512, and two ends of the second buffer spring 506 respectively abut against the second base 505 and the second connecting frame 507;
at least four corners of the second connecting frame 507 are provided with a heightening support 509, and the upper end of the heightening support 509 is connected with a first buffer block 510;
In the preferred scheme, the two sides of the car 3 are provided with counterweight mechanisms 4 capable of sliding up and down, the counterweight mechanisms 4 are connected with the car 3 through chains, a centrifugal brake mechanism 7 and a brake clamp 8 are arranged between the counterweight mechanisms 4 and the vertical outer frame 1, and the centrifugal brake mechanism 7 is electrically connected with the brake clamp 8 through a control cabinet;
the counterweight mechanism 4 is also provided with a speed sensor and an acceleration sensor which are electrically connected with the brake clamp 8 through a control cabinet;
the counterweight mechanism 4 is close to the anti-falling principle of the car 3.
In a preferable scheme, the power assembly 2 comprises a speed reducing motor 201, a transfer reduction gearbox 202 is arranged on one side of the speed reducing motor 201, the speed reducing motor 201 drives the transfer reduction gearbox 202 to rotate, transmission shafts 203 are arranged on two sides of the transfer reduction gearbox 202, a second chain wheel 218 is sleeved on each transmission shaft 203, and the transfer reduction gearbox 202 is connected with the second chain wheel 218 through a chain;
the two ends of the transmission shaft 203 are sleeved with first chain wheels 216, the upper side of the transmission shaft 203 is covered with a shield 204, a transmission chain 217 is arranged between the shield 204 and the first chain wheels 216, one end of the transmission chain 217 is connected with the car 3, the other end of the transmission chain 217 is connected with the counterweight mechanism 4, the two ends of the transmission shaft 203 are also sleeved with second bearings 215 with seats, a rack 205 is arranged below the second bearings 215 with seats, and the second bearings 215 with seats are connected with the vertical outer frame 1 through the rack 205;
connecting plates 210 are arranged on two sides of the transfer gearbox 202, a first belt seat bearing 208 is arranged on each connecting plate 210, each first belt seat bearing 208 is connected with a tensioning wheel 207 in a shaft mode, each tensioning wheel 207 is used for tensioning a chain, an adjusting block 209 is further arranged on each connecting plate 210, and a screw penetrates through each adjusting block 209 and abuts against the corresponding first belt seat bearing 208;
to vertical chain crane, the condition of falling generally divide into three, and the chain fracture between power end and the transmission shaft 203, 4 end chain fractures of counter weight mechanism, and 3 end chain fractures of car, and the guard shield 204 is little with first sprocket 216 clearance, still blocks on first sprocket 216 after the chain fracture, only needs to hold transmission shaft 203 tightly, can guarantee that counter weight mechanism 4 and car 3 at least one do not fall, reduce risk harm.
In a preferred scheme, one end of a transmission shaft 203 is sleeved with a brake 206, the brake 206 comprises a fixed ring 212, a movable ring 213 and a holding block 214, the holding block 214 is fixedly sleeved with the transmission shaft 203, the fixed ring 212 is used for electrically adsorbing the movable ring 213, a brake mounting plate 211 is arranged between the fixed ring 212 and a frame 205, and the brake 206 is connected with the frame 205 through the brake mounting plate 211;
the brake band-type brake 206 is controlled by the control cabinet to be tightly held.
In the preferred scheme, a counterweight blocking buffer mechanism 6 is arranged below the counterweight mechanism 4, the counterweight blocking buffer mechanism 6 comprises a heightening base 601, a transition plate 602 is arranged above the heightening base 601, third guide seats 604 are arranged at two ends of the transition plate 602, a third guide pillar 605 is sleeved in the third guide seats 604 in a sliding manner, the lower end of the third guide pillar 605 is connected with the heightening base 601, a third buffer spring 603 is sleeved outside the third guide pillar 605, two ends of the third buffer spring 603 respectively abut against the heightening base 601 and the transition plate 602, and two ends of the transition plate 602 are further connected with a second buffer block 606;
the impact force when the counterweight mechanism 4 falls is reduced by the buffering of the second buffer block 606 and the third buffer spring 603.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a multiple hoisting mechanism of preventing weighing down which characterized by: the elevator car comprises a vertical outer frame (1), wherein a sliding car (3) is arranged in the vertical outer frame (1), a power assembly (2) is arranged at the top of the vertical outer frame (1), and the power assembly (2) drives the car (3) to slide up and down;
a centrifugal brake mechanism (7) is arranged between the vertical outer frame (1) and the car (3), the centrifugal brake mechanism (7) comprises an expansion ring (718), an expanding agent (723) is arranged in the expansion ring (718), and the expanding agent (723) is impacted to expand the expansion ring (718) for decelerating the car (3).
2. The multiple fall protection lifting mechanism of claim 1, wherein: expansion ring (718) both sides are equipped with skeleton apron (715), be equipped with a plurality of support sheets (720) on skeleton apron (715), support sheet (720) cup joint with expansion ring (718) inner circle, expansion ring (718) and skeleton apron (715) constitution fixed wheel subassembly (702), be equipped with rotatable centrifugal rotor (717) in fixed wheel subassembly (702), centrifugal rotor (717) are used for striking expanding agent (723), fixed wheel subassembly (702) one side is equipped with driving wheel (714), driving wheel (714) support and rotate on vertical frame (1), still be equipped with center pin (716), driving wheel (714) are connected through center pin (716) with centrifugal rotor (717), center pin (716) pass fixed wheel subassembly (702) and driving wheel (714), support subassembly (701) have still rotated and cup jointed at center pin (716) both ends, support subassembly (701) are connected with car (3).
3. The multiple fall protection lifting mechanism of claim 2, wherein: a bulge cavity (725) is arranged on the expansion ring (718), and an expanding agent (723) is arranged in the bulge cavity (725);
the centrifugal rotor (717) comprises a swing arm (721) and a swing arm connecting frame (722), the swing arm (721) is hinged with the swing arm connecting frame (722), a swing arm tension spring (724) is arranged between the swing arm (721) and the swing arm connecting frame (722), and two ends of the swing arm tension spring (724) are respectively connected with the swing arm (721) and the swing arm connecting frame (722).
4. The multiple fall protection lifting mechanism of claim 3, wherein: the support assembly (701) comprises a connecting support (705), a waist-shaped sliding groove (726) is formed in the connecting support (705), a shaft sleeve (706) is sleeved in the waist-shaped sliding groove (726), and the shaft sleeve (706) is rotatably sleeved with the central shaft (716);
a movable plunger (710) is further arranged in the waist-shaped sliding groove (726), a shaft sleeve clamping pin (711) is arranged at one end of the movable plunger (710), a groove clamping position (712) is arranged on the shaft sleeve (706), the shaft sleeve clamping pin (711) is clamped in the groove clamping position (712), a plunger cylinder (707) is sleeved on the outer side of the movable plunger (710), a pressing block (708) is arranged on one side of the movable plunger (710), a plunger spring (713) is arranged between the movable plunger (710) and the pressing block (708), and two ends of the plunger spring (713) are respectively abutted against the movable plunger (710) and the pressing block (708);
the plunger piston is also provided with a plunger piston jackscrew (709), and the plunger piston jackscrew (709) passes through the connecting support (705) and abuts against the plunger piston cylinder (707);
the support assembly (701) further comprises a fixed wheel clamping pin (704), a waist-shaped clamping groove (719) is further formed in the framework cover plate (715), and the fixed wheel clamping pin (704) penetrates through the connecting support (705) to be clamped in the waist-shaped clamping groove (719).
5. The multiple fall protection lifting mechanism of claim 4, wherein: the support assembly (701) further comprises a sensor (703), the sensor (703) being configured to detect a position of the central axis (716);
a brake clamp (8) is further arranged between the car (3) and the vertical outer frame (1), the brake clamp (8) is connected with the car (3), and the brake clamp (8) is used for clamping a car guide rail on the vertical outer frame (1);
the sensor (703) is electrically connected with the braking clamp (8) through the control cabinet;
the car (3) is also provided with a speed sensor and an acceleration sensor which are electrically connected with the brake clamp (8) through a control cabinet.
6. The multiple fall protection lifting mechanism of claim 5, wherein: a car buffering and blocking mechanism (5) is arranged below the car (3), the car buffering and blocking mechanism (5) comprises a first connecting frame (504), at least four corners of the first connecting frame (504) are provided with first guide seats (503), a first guide pillar (511) is sleeved in each first guide seat (503) in a sliding mode, the lower end of each first guide pillar (511) is connected with a first base (501), the outer side of each first guide pillar (511) is sleeved with a first buffering spring (502), and two ends of each first buffering spring (502) are abutted to the first base (501) and the first connecting frame (504) respectively;
a second connecting frame (507) is arranged above the first connecting frame (504), at least four corners of the second connecting frame (507) are provided with second guide seats (508), a second guide pillar (512) is sleeved in the second guide seats (508) in a sliding mode, the lower end of the second guide pillar (512) is connected with a second base (505), the second base (505) is connected with the first connecting frame (504), the outer side of the second guide pillar (512) is sleeved with a second buffer spring (506), and two ends of the second buffer spring (506) are abutted to the second base (505) and the second connecting frame (507) respectively;
at least four corners of the second connecting frame (507) are provided with heightening supports (509), and the upper ends of the heightening supports (509) are connected with first buffer blocks (510).
7. The multiple fall protection lifting mechanism of claim 1, wherein: counterweight mechanisms (4) capable of sliding up and down are arranged on two sides of the lift car (3), the counterweight mechanisms (4) are connected with the lift car (3) through chains, a centrifugal brake mechanism (7) and a brake clamp (8) are arranged between the counterweight mechanisms (4) and the vertical outer frame (1), and the centrifugal brake mechanism (7) is electrically connected with the brake clamp (8) through a control cabinet;
the counterweight mechanism (4) is also provided with a speed sensor and an acceleration sensor which are electrically connected with the brake clamp (8) through a control cabinet.
8. The multiple fall protection lifting mechanism of claim 7, wherein: the power assembly (2) comprises a speed reducing motor (201), a transfer reduction gearbox (202) is arranged on one side of the speed reducing motor (201), the speed reducing motor (201) drives the transfer reduction gearbox (202) to rotate, transmission shafts (203) are arranged on two sides of the transfer reduction gearbox (202), a second chain wheel (218) is sleeved on each transmission shaft (203), and the transfer reduction gearbox (202) is connected with the second chain wheel (218) through a chain;
the two ends of the transmission shaft (203) are sleeved with first chain wheels (216), the upper side of the transmission shaft (203) is covered with a shield (204), a transmission chain (217) is arranged between the shield (204) and the first chain wheels (216), one end of the transmission chain (217) is connected with the car (3), the other end of the transmission chain (217) is connected with the counterweight mechanism (4), the two ends of the transmission shaft (203) are sleeved with second bearings (215) with seats, a rack (205) is arranged below the second bearings (215) with seats, and the second bearings (215) with seats are connected with the vertical outer frame (1) through the rack (205);
connecting plates (210) are arranged on two sides of the transfer gearbox (202), a first belt seat bearing (208) is arranged on the connecting plates (210), the first belt seat bearing (208) is connected with a tensioning wheel (207) shaft, the tensioning wheel (207) is used for tensioning a chain, an adjusting block (209) is further arranged on the connecting plates (210), and a screw penetrates through the adjusting block (209) and abuts against the first belt seat bearing (208).
9. The multiple fall protection lifting mechanism of claim 8, wherein: transmission shaft (203) one end has cup jointed braking band-type brake (206), and braking band-type brake (206) are including deciding circle (212), moving coil (213) and holding tightly piece (214), hold tightly piece (214) and transmission shaft (203) fixed cup joint, and decide circle (212) are used for the circular telegram to adsorb moving coil (213), are equipped with band-type brake mounting panel (211) between deciding circle (212) and frame (205), and braking band-type brake (206) are connected with frame (205) through band-type brake mounting panel (211).
10. The multiple fall protection lifting mechanism of claim 9, wherein: the counterweight blocking buffer mechanism (6) is arranged below the counterweight mechanism (4), the counterweight blocking buffer mechanism (6) comprises a heightening base (601), a transition plate (602) is arranged above the heightening base (601), third guide seats (604) are arranged at two ends of the transition plate (602), third guide pillars (605) are sleeved in the third guide seats (604) in a sliding mode, the lower ends of the third guide pillars (605) are connected with the heightening base (601), third buffer springs (603) are sleeved on the outer sides of the third guide pillars (605), two ends of each third buffer spring (603) are abutted to the heightening base (601) and the heightening base (602) respectively, and second buffer blocks (606) are further connected to two ends of the heightening base (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011510880.9A CN112607552B (en) | 2020-12-18 | 2020-12-18 | Multiple anti-falling hoisting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011510880.9A CN112607552B (en) | 2020-12-18 | 2020-12-18 | Multiple anti-falling hoisting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112607552A true CN112607552A (en) | 2021-04-06 |
| CN112607552B CN112607552B (en) | 2022-04-05 |
Family
ID=75241098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011510880.9A Active CN112607552B (en) | 2020-12-18 | 2020-12-18 | Multiple anti-falling hoisting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112607552B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190828138A (en) * | 1908-12-24 | 1909-09-02 | Paul Hallot | Improvements in and relating to Brakes for Motorcars. |
| US3359905A (en) * | 1965-04-01 | 1967-12-26 | Oerlikon Buehrle Holding Ag | Sabot projectile |
| EP0093289A2 (en) * | 1982-04-30 | 1983-11-09 | Toso Kabushiki Kaisha | Decelerator for use in roller blinds |
| CA1219818A (en) * | 1984-03-12 | 1987-03-31 | Roy E. Smith | Brake disc design for wheel mounted discs |
| JP2000316272A (en) * | 1999-04-27 | 2000-11-14 | Topre Corp | Maximum speed limiting device of bicycle |
| JP2001206661A (en) * | 2000-01-26 | 2001-07-31 | Ii S P:Kk | Small elevator |
| FR2831233A1 (en) * | 2001-10-23 | 2003-04-25 | Valeo | Motor vehicle friction clutch has clearance take-up system with ramps and inertia plates |
| CN102992139A (en) * | 2011-09-14 | 2013-03-27 | 株式会社东芝 | Stopping device and elevator provided therewith |
| EP2677133A1 (en) * | 2012-06-22 | 2013-12-25 | Skf Magnetic Mechatronics | Turbocharger embedding an electrical machine with a dc coil |
| CN104016205A (en) * | 2013-03-01 | 2014-09-03 | 株式会社日立制作所 | Elevator device |
| CN207425216U (en) * | 2017-08-30 | 2018-05-29 | 顺德职业技术学院 | A kind of elevator teaching appliance rack construction |
| US20180252281A1 (en) * | 2017-03-06 | 2018-09-06 | Performance Gear Systems, Inc. | Gear protection subassembly |
| US20190040920A1 (en) * | 2016-02-05 | 2019-02-07 | Chungang University Industry-Academic Cooperation Foundation | Non-powered passive braking device using centrifugal force |
| CN111348519A (en) * | 2020-04-10 | 2020-06-30 | 立达博仕电梯（苏州）有限公司 | Elevator safety tongs structure |
-
2020
- 2020-12-18 CN CN202011510880.9A patent/CN112607552B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190828138A (en) * | 1908-12-24 | 1909-09-02 | Paul Hallot | Improvements in and relating to Brakes for Motorcars. |
| US3359905A (en) * | 1965-04-01 | 1967-12-26 | Oerlikon Buehrle Holding Ag | Sabot projectile |
| EP0093289A2 (en) * | 1982-04-30 | 1983-11-09 | Toso Kabushiki Kaisha | Decelerator for use in roller blinds |
| CA1219818A (en) * | 1984-03-12 | 1987-03-31 | Roy E. Smith | Brake disc design for wheel mounted discs |
| JP2000316272A (en) * | 1999-04-27 | 2000-11-14 | Topre Corp | Maximum speed limiting device of bicycle |
| JP2001206661A (en) * | 2000-01-26 | 2001-07-31 | Ii S P:Kk | Small elevator |
| FR2831233A1 (en) * | 2001-10-23 | 2003-04-25 | Valeo | Motor vehicle friction clutch has clearance take-up system with ramps and inertia plates |
| CN102992139A (en) * | 2011-09-14 | 2013-03-27 | 株式会社东芝 | Stopping device and elevator provided therewith |
| EP2677133A1 (en) * | 2012-06-22 | 2013-12-25 | Skf Magnetic Mechatronics | Turbocharger embedding an electrical machine with a dc coil |
| CN104016205A (en) * | 2013-03-01 | 2014-09-03 | 株式会社日立制作所 | Elevator device |
| US20190040920A1 (en) * | 2016-02-05 | 2019-02-07 | Chungang University Industry-Academic Cooperation Foundation | Non-powered passive braking device using centrifugal force |
| US20180252281A1 (en) * | 2017-03-06 | 2018-09-06 | Performance Gear Systems, Inc. | Gear protection subassembly |
| CN207425216U (en) * | 2017-08-30 | 2018-05-29 | 顺德职业技术学院 | A kind of elevator teaching appliance rack construction |
| CN111348519A (en) * | 2020-04-10 | 2020-06-30 | 立达博仕电梯（苏州）有限公司 | Elevator safety tongs structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112607552B (en) | 2022-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110486416B (en) | High-efficient damping device for mechanical equipment | |
| CN102303802B (en) | Broken rope protective device of upright lift gate | |
| CN112791324A (en) | Safety protection device for high-altitude operation | |
| CN106864020B (en) | Safe and efficient gilding press | |
| CN112607552B (en) | Multiple anti-falling hoisting mechanism | |
| CN115303926B (en) | Intelligent hoisting equipment with self-adjusting function | |
| CN107285162A (en) | A kind of elevator anti-falling buffer base | |
| CN216862759U (en) | Full-section broken belt catcher | |
| CN109099765B (en) | Rocket launching test speed reduction recovery device based on arresting tension | |
| CN218803069U (en) | Protection device of concrete pipe pile centrifuge | |
| CN112284672A (en) | Production of automobile shock absorber ware support is with check out test set that shocks resistance | |
| CN115419279B (en) | Building curtain wall mounting device | |
| CN217919099U (en) | Positioning device convenient to adjust and used for machining wind power tower barrel | |
| CN207390729U (en) | A kind of elevator anti-falling buffer pedestal | |
| JPH08290116A (en) | Multistage screen for granular body | |
| CN215374512U (en) | Automobile chassis intensity collision device | |
| CN109249975A (en) | A kind of architectural engineering ceramic tile transport device | |
| JP2004010222A (en) | Locking releasing device for elevator tie down device | |
| CN211283575U (en) | Wheel maintenance elevating platform | |
| KR100763830B1 (en) | A rope brake device for elevator | |
| KR200423194Y1 (en) | A rope brake device for elevator | |
| CN109338871A (en) | It is a kind of for preventing the bridge protection device of vehicle water falling | |
| CN114275644B (en) | Elevator anti-falling safety braking control device | |
| CN219194108U (en) | Shallow pit compact villa elevator safety device | |
| CN216918391U (en) | Fire-fighting rescue windowsill hoisting support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 443300 Yangjiali Village, Honghuatao Town, Yicheng City, Hubei Province Applicant after: Yitao Construction Group Co.,Ltd. Address before: 443300 Yangjiali Village, Honghuatao Town, Yicheng City, Hubei Province Applicant before: Hubei Yitao Construction Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |