CN207832430U - Safety lock for high-rise operation cradle detecting system - Google Patents

Safety lock for high-rise operation cradle detecting system Download PDF

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Publication number
CN207832430U
CN207832430U CN201721724892.5U CN201721724892U CN207832430U CN 207832430 U CN207832430 U CN 207832430U CN 201721724892 U CN201721724892 U CN 201721724892U CN 207832430 U CN207832430 U CN 207832430U
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China
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safety lock
safety
arm support
wire rope
steel wire
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应晔
秦雪涛
宋达文
李元元
沈健
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SCIENCE AND TECHNOLOGY DEVELOPMENT Co OF SRIBS
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SCIENCE AND TECHNOLOGY DEVELOPMENT Co OF SRIBS
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Abstract

The utility model is related to a kind of safety lock for high-rise operation cradle detecting system, it include driving device, power steel wire rope jump prevention device and can on arm support free-moving adjustable counterweight device.Driving device is a kind of power plant for simulating hanging basket inclination or the rope that breaks falls being made of cable drum, electromagnetic clutch and decelerating motor.Setting loads counterweight moving trolley and configures counter weight device on arm support, and safety lock is mounted on safety lock installation adjustable support.Arm support is equipped with obliquity sensor, and the load cell of dynamic brake power, is read the data for detecting and being acquired by sensor automatically in detection process by computer when safety steel cable upper end is equipped with detectable safety braking.Using the utility model, the basket body inclination that simulation aerial work basket may occur when running, the dangerous situation for promoting fracture of rope, whether intact with the function of detecting safety lock, after safety lock installation, detection process can be automatically performed, convenient and efficient, and detection efficiency is high.

Description

Safety lock for high-rise operation cradle detecting system
Technical field
The utility model is related to the detection devices of the Anti-breaking rope device on steel cable elevator, more particularly to a kind of for preventing The only safety lock detecting system of aerial work basket platform inclination or the disconnected rope of hoisting rope.
Background technology
Safety lock is the most important safety guard of aerial work basket, boom hoist cable when aerial work basket works Basket body is caused to fall for fracture or aerial work basket both sides dynamic ropes folding and unfolding length is inconsistent when basket body being caused to tilt, installation Safety lock in hanging basket basket body both ends will be triggered, fastening safety steel wire rope, stop hanging basket platform, prevent hanging basket platform from occurring Falling accident protects operating personnel's life security.
Currently used safety lock of high-rise working cradle is locked for swing arm triggered safety, and other forms, which also have, centrifuges trigger-type Safety lock.The operation principle of swing arm trigger-type cradle safety lock is:Hanging basket platform both ends respectively fill a safety lock, are hung in roofing Position in mechanism corresponding to platform both ends is respectively hung with two steel wire ropes, wherein one is boom hoist cable, another is peace All steel cord.Safety steel cable passes through between the gripping block among safety lock, and boom hoist cable utilizes tension by safety lock Swing arm is lifted, and is opened the gripping block inside safety lock, so that safety rope is unhinderedly passed through inside safety lock, such hanging basket In normal operation, safety lock does not rub platform with safety rope.When power fracture of rope occurs for hanging basket or basket body tilts, pressure Tightly the boom hoist cable relaxation in safety lock swing arm, swing arm are opened under spring force, and two in safety lock are driven by connecting rod Gripping block will be clamped from the safety rope passed through among it, have enough friction grips to prevent hanging basket flat using self-lock mechanism guarantee Platform drops.Centrifuging the operation principle of triggered safety lock is:Safety steel cable, which is detected, by centrifugation triggering device passes through safety lock The speed of service of speed, that is, hanging basket get rid of block when the block that gets rid of that the speed increases in centrifugation triggering device overcomes spring force to pop up Triggering closing piece makes safety lock hold safety steel cable tightly by basket body stop.
The danger of aerial work basket work is higher, and safety lock is the important safety guard of hanging basket, industrial standard Regulation must carry out periodic inspection during safety lock use, and periodic inspection is completed in laboratory by dedicated test experimental facilities.
Invention content
The task of the utility model is to provide a kind of safety lock for high-rise operation cradle detecting system, it simulates high-rise working Whether the basket body that hanging basket may occur when running tilts, is promoted the dangerous situation of fracture of rope, intact with the function of detecting safety lock, After safety lock installation, detection process can be automatically performed, convenient and efficient, and detection efficiency is high.
The technical solution of the utility model is as follows:
A kind of safety lock for high-rise operation cradle detecting system, it includes driving device, power steel wire rope jump prevention device And can on arm support free-moving adjustable counterweight device;The driving device is one kind by cable drum, electromagnetism The hanging basket of simulating of clutch and decelerating motor composition tilts or breaks the power plant that rope falls;
The aerial work basket basket body is welded by shaped steel, and hanging basket basket body one end is hingedly fixed, and hanging basket basket body is another One movable pulley of end installation, the power steel wire penetrating movable pulley carry out folding and unfolding to simulate hanging basket under control of the control means The state that inclination or disconnected rope fall;
Day beam on elevator is supported on the first column and the second the upper end of the column, and arm support is installed on tailstock top by shaft End, movable pulley are mounted on arm support leading portion, and load counterweight moving trolley is provided on arm support, loads the lower section of counterweight moving trolley It is hung with load counter weight device, small guide wheel is fixed on the upper end of the first column side, and it is adjustable that safety lock is mounted on safety lock installation On holder;
The arm support is equipped with obliquity sensor, and when safety steel cable upper end is equipped with detectable safety braking, dynamic is made The load cell of power, load cell one end are connect with day beam, and the load cell other end is connect with safety steel cable, Read the data for detecting and being acquired by sensor in detection process automatically by computer;
Electromagnetic clutch is connected between the cable drum and decelerating motor of the power plant, is combined in electromagnetic clutch Rotating control cable drum by motor under state send rope to realize the inclined operating mode of arm support, by electromagnetic clutch disengagement Lai real Now simulate the operating mode of power wire rope breaking;
Counter weight device is housed, which simulates disconnected rope operating mode electromagnetic clutch in detection device in first column The power steel wire tensioning that the moment of disengagement will quickly be extracted out by arm support from cable drum, while on the outside of cable drum Anti- stopping power groove skipping of steel rope while under the action of the cable drum case of installation.
Power steel wire rope one end is fixed on above day beam, and the power steel wire rope other end passes through movable pulley and is located at day It is wound in cable drum after the first fixed pulley and the second fixed pulley above beam;Safety steel cable passes through the peace on safety lock Fill the connection of the first clump weights of Kong Houyu;Seizing wire one end is fixed with power steel wire rope, and the seizing wire other end passes through small guide wheel It is fixed later with the second clump weight, the second clump weight can slide on clump weight rail plate.
The arm support and the second column are equipped with graduated scale, so as to manually read safety lock lock rope angle, lock rope distance, Stand slippage distance parameter.
Two pieces of limit switches up and down are installed on first column, one piece is arm support upper limit touching switch, and another piece is Arm support lower limit touching switch, so that can be in device fails or safety lock during detection device executes detection program Make detection program closed loop in the case of failure, to protect equipment operational safety.
The safety lock installation adjustable support is connected with safety lock adjustable support adjusting screw rod, for adjusting safety lock swing arm The distance between power steel wire rope.
First fixed pulley and the second fixed pulley are fixed on by shaft among day beam respectively.
The load counter weight device adjusts loaded load with load counterweight moving trolley movement.
The technical thought of the utility model is to simulate the basket body inclination that may occur when aerial work basket operation, hoisting rope The dangerous situation of fracture, whether intact to the function that detects safety lock, detection process is full-automatic.Specific method is by hanging basket Basket body is reduced to one section of beam body, which, which fixes, is hinged on the rotary shaft, and the other end installs safety lock, the top of safety lock A safety steel cable is hung, which passes perpendicularly through inside safety lock, and beam-ends is driven by steel wire rope of windlass, can make up and down Beat moves, and simulates the inclination of hanging basket platform.Hoist engine driving steel wire rope is bonded with safety lock swing arm, and when steel wire tensioning oppresses Safety lock swing arm, safety lock are opened;When steel wire rope looseness, safety lock swing arm is opened, and safety lock locks safety steel cable.Safety lock And its deployment scenarios of steel wire rope are consistent with the real work situation of hanging basket.
The safety lock for high-rise operation cradle detecting system of the utility model uses motor drive cable drum folding and unfolding It is rotated to draw beam body, to simulate basket body heeling condition, uses the electromagnetic clutch being installed between motor and cable drum Carry out moment and loosens the power steel wire rope in reel to simulate wire cable rupture.
Load in aerial work basket is reduced to a set of weights trolley by the utility model.The trolley can be on arm support Walking achievees the purpose that change magnitude of load of the load on safety lock, to simulate aerial work basket load variation and Load unbalance loading situation in the course of work.Safety lock mounting bracket can freely be adjusted between safety steel cable and power steel wire rope Distance, to realize purpose that the safety lock of arbitrary installation dimension can be detected and efficiently install.
Case is housed on the outside of the power cable drum of the utility model, detection device is in one heel post of power plant Equipped with counterweight, which can be when the disconnected rope operating mode of simulation that the electromagnetic clutch of detection device disengages occurs, will be because under arm support Pendant drives cable drum, and quickly steel wire rope loose on reel caused by rotation is quickly tightened, and avoids the occurrence of disorder cable, while Under the restriction of reel cover shell, groove skipping of steel rope while and entanglement are further prevented.Arm support and column are equipped with graduated scale, in spy Condition of pledging love servant's part work and part study takes safety lock lock rope angle, lock rope distance, stands the parameters such as slippage distance.Inclination angle is set on arm support Sensor is provided with load cell in safety steel cable upper end, can read detection automatically by computer in detection process Data.Load cell can detect dynamic brake power when safety braking.
Normally closed type electromagnetic clutch is connected between the cable drum and decelerating motor of power plant.Motor passes through The combination of electromagnetic clutch delivers torque to cable drum, to support the weight of arm support and the operating mode of oscilaltion;By electricity Magnet clutch, which is powered, to be disconnected to realize the operating mode of simulation power wire rope breaking.
Upper and lower two pieces of limit switches are equipped on the column close to power plant side, to limit arm support or more operation Extreme position ensures that detection program closed loop can be made occurrence of equipment failure in detection process, to protect equipment safety Operation.
Using the safety lock for high-rise operation cradle detecting system of the utility model, simulation aerial work basket can when running Whether the basket body that can occur tilts, is promoted the dangerous situation of fracture of rope, intact with the function of detecting safety lock, safety lock installation Afterwards, detection process can be automatically performed, convenient and efficient, and detection efficiency is high.
Description of the drawings
Attached drawing gives a kind of schematic construction of the utility model, and during specific implementation, practical structures can when designing With figurate variation.
Fig. 1 is a kind of front view of safety lock for high-rise operation cradle detecting system of the utility model.
Fig. 2 is the left view of Fig. 1 safety lock detecting systems.
Fig. 3 is the arm support vertical view of the utility model.
Fig. 4 is the main view of another structure type of the safety lock for high-rise operation cradle detecting system of the utility model Figure.
Fig. 5 is the drive part front view of the utility model.
Fig. 6 is the wire rope winding schematic diagram of the utility model.
Fig. 7 is the safety lock lock rope angle overhaul flow chart of the utility model.
Fig. 8 is the safety lock rope breaking test flow chart of the utility model.
Fig. 9 is that the safety lock of the utility model stands slippage experiment process figure.
Reference numeral:
1 is load cell, and 2 be arm support upper limit touching switch, and 3 be safety steel cable, and 4 be safety lock, and 5 be safety lock Adjustable support is installed, 6 be safety lock adjustable support adjusting screw rod, and 7 be horizontal ruler, and 8 be arm support, and 9 touch for arm support lower limit Switch, 10 be the first column, and 11 be the first clump weight, and 12 be day beam, and 13 be small guide wheel, and 14 be power steel wire rope, and 15 slide to be dynamic Wheel, 16 be seizing wire, and 17 be rail plate, and 18 be the second clump weight, and 19 be cable drum, and 20 be electromagnetic clutch, 21 It is load counterweight moving trolley for decelerating motor, 22,23 be load counter weight device, and 24 be obliquity sensor, and 25 be shaft, and 26 are Tailstock, 27 be the second column, and 28 be vertical scale, and 29 be the first fixed pulley, and 30 be the second fixed pulley, and 31 fix for counterweight trolley Mounting hole, 32 be hanging basket basket body, and 33 be cable drum case.
Specific implementation mode
It elaborates with reference to the accompanying drawings and examples to the utility model.
Referring to Fig. 1 to Fig. 5, the utility model provides a kind of safety lock for high-rise operation cradle detecting system, it mainly by Driving device, power steel wire rope jump prevention device and can on arm support free-moving adjustable counterweight device composition.It drives Dynamic device is a kind of to be tilted or disconnected rope by the hanging basket of simulating that cable drum 19, electromagnetic clutch 20 and decelerating motor 21 form 14 power plants fallen.
Aerial work basket basket body 32 is welded by shaped steel, and hanging basket basket body one end is hingedly fixed, the hanging basket basket body other end One movable pulley 15 is installed, power steel wire rope 14 carries out folding and unfolding under control of the control means across the movable pulley 15, to mould The state that quasi- hanging basket tilts or disconnected rope 14 falls.
Day beam 12 on elevator is supported on 27 upper end of the first column 10 and the second column, and arm support 8 is installed by shaft 25 In 26 top of tailstock, movable pulley 15 is mounted on 8 leading portion of arm support.Setting load counterweight moving trolley 22, loads counterweight on arm support 8 The underhung of moving trolley 22 loads counter weight device 23.Counter weight device 23 is loaded to adjust with the load movement of counterweight moving trolley 22 Loaded load.Small guide wheel 13 is fixed on the upper end of 10 side of the first column.Safety lock 4 is mounted on safety lock and installs adjustable support 5 On.
Obliquity sensor 24 is set on arm support 8.In 3 upper end of safety steel cable, load cell 1, load cell are set 1 one end is connect with day beam 12, and 1 other end of load cell is connect with safety steel cable 3.It is automatic by computer in detection process Read the data that detection is acquired by sensor.Load cell can detect dynamic brake power when safety braking.
Electromagnetic clutch 20 is connected between the cable drum 19 and decelerating motor 21 of power plant, in electromagnetic clutch 20 Cable drum 19 is controlled by the rotation of motor 21 under bonding state and realizes the inclined operating mode of arm support, is taken off by electromagnetic clutch 20 It comes and realizes the operating mode of simulation power wire rope breaking 14.
Counter weight device is installed in first column 10, which simulates 14 operating mode electromagnetic clutch of disconnected rope in detection device The power steel wire rope 14 quickly extracted out from cable drum 19 by arm support 8 is tensioned by the moment that device 20 disengages, while in steel wire Anti- stopping power steel wire rope 14 is job-hoped under the action of the cable drum case 33 that 19 outside of rope reel is installed.
Referring to Fig. 6,14 one end of power steel wire rope is fixed on 12 rear of day beam, and 14 other end of power steel wire rope passes through movable pulley 15 and the first fixed pulley 29 and the second fixed pulley 30 above day beam 12 after be wound in cable drum 19.Safe steel Cord 3 is connect after passing through the mounting hole on safety lock 4 with the first clump weight 11.In conjunction with referring to Fig. 2,16 one end of seizing wire with it is dynamic Power steel wire rope 14 is fixed, and 16 other end of seizing wire is fixed after passing through small guide wheel 13 with the second clump weight 18, the second clump weight 18 slide on clump weight rail plate 17.
In the concrete structure of Fig. 1, day beam 12 is supported on 27 upper end of the first column 10 and the second column, and arm support 8 passes through Shaft 25 is installed on 26 top of tailstock, and movable pulley 15 is mounted on 8 front of arm support, and counter weight device 23 is suspended under counterweight trolley 22 Side, counterweight trolley 22 are mounted on the upper surface of arm support 8.Obliquity sensor 24 is installed on arm support 8.14 one end of power steel wire rope is solid It is scheduled on 12 rear of day beam, after the other end passes through the first fixed pulley 29 and the second fixed pulley 30 of 12 top of movable pulley 15 and day beam It is wound in cable drum 19.16 one end of seizing wire is fixed with power steel wire rope 14, and the other end passes through after small guide wheel 13 It is fixed with the second clump weight 18.Second clump weight 18 slides on clump weight rail plate 17.It is vertical that small guide wheel 13 is fixed on first The upper end of 10 side of column.1 one end of load cell is connect with day beam 12, and the other end is connect with safety steel cable 3.Safety steel cable 3 connect after the mounting hole on safety lock 4 with the first clump weight 11.Safety lock 4 is mounted on safety lock adjustable support 5.Peace Full lock adjustable support 5 adjusts the distance between 4 swing arm of safety lock and power steel wire rope 14 by adjusting screw rod 6.Electromagnetic clutch 20 are installed on by shaft coupling between decelerating motor 21 and cable drum 19.Arm support upper limit position switch 2 and arm support lower limit Switch 9 is fixed on 10 side of the first column.Horizontal ruler 7 is fixed on 8 side top of arm support.
As shown in fig. 1, safety lock installation adjustable support 5 connects safety lock adjustable support adjusting screw rod 6, for adjusting peace Full lock the distance between 4 swing arms and power steel wire rope 14.Two pieces of limit switches up and down are installed on first column 10, one piece is arm support Upper limit touching switch 2, another piece is arm support lower limit touching switch 9, so as to execute the process of detection program in detection device In can make detection program closed loop in the case where device fails or safety lock fail, to protect equipment operational safety.
As shown in Figure 2, the first fixed pulley 29 and the second fixed pulley 30 are fixed on by shaft among day beam 12 respectively.It is small Guide wheel 13 is mounted on above 10 side of the first column.16 one end of seizing wire is fixed with the second clump weight 18, and the other end is around too small It is fixed together with power steel wire rope 14 after guide wheel 13.Graduated scale is equipped on arm support 8 and the second column 27, manually to read It takes the lock rope of safety lock 4 angle, lock rope distance, stand the parameters such as slippage distance.
As shown in Figure 3, the top of arm support 8 has opened up several counterweight trolley fixed mounting holes 31.
As shown in Figure 4, arm support 8 can also be substituted for hanging basket basket body 32.
As shown in Figure 5, cable drum case 33 is provided with outside cable drum 19.
Fig. 6 shows the wiring principle of steel wire rope on detection device.
The operation principle of the safety lock for high-rise operation cradle detecting system of the utility model is detailed below.
1, hanging basket basket body run-off the straight is simulated:
8 original state of arm support is horizontal, and the compressing of power steel wire rope 14 that the swing arm of safety lock 4 at this time is tensioned is received Tightly.Electromagnetic clutch 20 is in bonding state, when equipment receives the simulation inclined instruction of basket body, motor 21 by electromagnetism from Clutch 20 drive cable drum 19 rotate, cable drum 19 release reel in power steel wire rope 14,8 end of arm support with The releasing of power steel wire rope 14 and decline, simulate hanging basket basket body heeling condition, power steel wire rope 14 and 4 swing arm of safety lock at this time Distance gradually increases with the decline of 8 end of arm support, until the swing arm of safety lock 4 loosens rear safety lock 4 and holds safety steel cable tightly 3, at this time arm support 8 because safety lock 4 hold tightly safety steel cable 3 due to brake.Arm support 8 inclines when obliquity sensor 24 records swing arm stopping Oblique angle angle value, load cell 1 can record security lock 4 load values that are subject to, judge whether safety lock 4 qualified with this.Data Arm support 8 is withdrawn into horizontality by motor 21 after record, and the swing arm of safety lock 4 is compressed by power steel wire rope 14 again, peace Full lock 4 loosens safety steel cable 3, can enter next test period.
2, simulation hanging basket basket body occurs to break to restrict and fall:
8 original state of swing arm is horizontal position, and the compressing of power steel wire rope 14 that the swing arm of safety lock 4 at this time is tensioned is received Tightly.Electromagnetic clutch 20 is in coupled situation before on-test.When detection device receives the control instruction of disconnected rope, electromagnetism from The disengagement of clutch 20 couples with cable drum 19, and cable drum 19 loses the brake force of motor 21, and arm support 8 is in gravity The power steel wire rope 14 in cable drum 19 is extracted in lower tenesmus out, and power steel wire rope 14 is relaxed, and arm support 8 is around the shaft under 25 Pendant.Since the power steel wire rope 14 being pressed in 4 swing arm of safety lock is relaxed, safety lock 4 holds 3 stop swing arm of safety steel cable tightly 8.Since 14 moment of power steel wire rope is extracted out by arm support 8, power steel wire rope 14 is no longer tensioning state, for anti-stopping power steel wire rope 14 disorder cable and job-hoppings on reel, the second clump weight 18 are opened steel wire rope that may be loose in reel 19 by seizing wire 16 Tightly.Meanwhile the case 33 being arranged outside cable drum 19 also functions to the effect that the power steel wire rope 14 for preventing from loosening is job-hoped.Inclination angle Sensor 24 can record institute's inclined angle value when swing arm stops, the shock loadings that the meeting record security of load cell 1 lock 4 is subject to Value judges whether safety lock 4 is qualified with this.After data record, electromagnetic clutch 20 is re-closed motor 21 and steel Cord reel 19 couples, and motor 21 drives cable drum 19 to tighten power steel wire rope 14, and arm support 8 is withdrawn into horizontality, The swing arm of safety lock 4 is compressed by power steel wire rope 14 again, and safety lock 4 loosens safety steel cable 3, and the second clump weight 18 will peace All steel cord 3 stretches again.
3, loaded load size is adjusted:
Hanging with the counterweight trolley 22 of load counter weight device 23 can slide along arm support 8, to select suitable load.Work as shifting Move arm support 8 suitable position choose required load after, by be distributed in 8 upper surface of arm support screw mounting hole 31 will Counterweight trolley 22 is fixed on arm support 8.
4, safety lock installation site is adjusted:
Since the type of safety lock is various, there are a variety of installation dimensions.Safety lock original state before being carried out for guarantee test It is identical, safety lock can be adjusted by adjusting screw rod 6, the distance between adjustable support 5 and power steel wire rope 14 are installed, to protect It is identical as testing requirements to demonstrate,prove each initial pressing position different 4 swing arms of safety lock.
5, power steel wire rope anti-hopping during the test:
Wherein one end is fixed with the second clump weight 18, the other end is fixed on seizing wire 16 on power steel wire rope 14, leads to Too small guide wheel 13 tightens the power steel wire rope 14 in reel 19 always, in order to avoid 14 disorder cable of power steel wire rope and job-hopping.Steel simultaneously The case 33 being arranged outside cord reel 19 also functions to the effect that the power steel wire rope 14 for preventing from loosening is job-hoped.
6, the artificial reading of lock rope angle and lock rope distance:
8 top side of arm support is provided with horizontal ruler 7, the front vertical direction of the second column 27 is provided with vertical scale 28, it can be used for artificial observation scale and read safety lock lock rope angle and lock rope distance vertically.
It is that a kind of safety lock for high-rise operation cradle detecting system of the utility model is used for detection device referring to Fig. 7 Lock rope angle testing process, is as follows:
Inclination angle detection instruction is assigned first;It controls motor to rotate forward, arm support rises, and after touching upper limit stops, safety lock Swing arm is compressed by dynamic ropes;Motor reversal, arm support downlink;Safety lock swing arm is opened, and safety lock locks safety steel cable.
Lock is restricted successfully, and load cell stress sends signal, motor stalls;Obliquity sensor reads jib angle angle Angle value;Computer reads lock rope angle value and records;Motor rotates forward arm support and returns to upper limit position;Detection terminates.
If lock rope failure, arm support touch lower limit, motor stalls, testing stand sends out alarm, and detection terminates.
It is that a kind of safety lock for high-rise operation cradle detecting system of the utility model is used for detection device referring to Fig. 8 Rope breaking test flow, is as follows:
Rope breaking test instruction is assigned first;It controls motor to rotate forward, arm support rises, and after touching upper limit stops, safety lock Swing arm is compressed by dynamic ropes;Electromagnetic clutch discharges, and dynamic ropes lose tension, and arm support drops around the shaft;Safety lock swing arm is opened, Safety lock locks safety steel cable.
Lock is restricted successfully, and load cell stress sends signal, motor stalls, and electromagnetic clutch is attracted;Inclination angle senses Device reads arm support inclination angle value;Computer reads lock rope angle value and is recorded after being converted into lock rope distance;Motor rotates forward arm support Return to upper limit position;Detection terminates.
If lock rope failure, arm support touch lower limit, motor stalls, electromagnetic clutch is attracted, and testing stand sends out police Report, detection terminate.
It is that a kind of safety lock for high-rise operation cradle detecting system of the utility model is used for detection device referring to Fig. 9 Slippage experiment process is stood, is as follows:
It assigns first and stands slippage test instructions;Motor is controlled to rotate forward, arm support rises, and stops after touching upper limit, Safety lock swing arm is compressed by dynamic ropes;Motor reversal, arm support downlink;Safety lock swing arm is opened, and safety lock locks safety steel cable.
Whether arm support touches lower limit:If it is not, then computer records obliquity sensor current value and static a period of time Value afterwards calculates the standing downslide amount of safety lock by comparing the variation of obliquity sensor reading, and judges whether qualification.Motor It rotates forward arm support and returns to upper limit position, detection terminates.
In conclusion using the safety lock for high-rise operation cradle detecting system of the utility model, simulation high-rise working is hung The basket body that basket may occur when running tilts, is promoted the dangerous situation of fracture of rope, peace whether intact with the function of detecting safety lock After full lock installation, detection process can be automatically performed, convenient and efficient, and detection efficiency is high.
Certainly, those skilled in the art in the art are it should be appreciated that above-described embodiment is intended merely to illustrate this reality With novel, and it is not used as the restriction to the utility model, as long as in the spirit of the utility model, to above-mentioned reality Applying variation, modification of example etc. will all fall in the range of the utility model claims.

Claims (6)

1. a kind of safety lock for high-rise operation cradle detecting system, it is characterised in that:It includes that driving device, power steel wire rope are anti- Job-hop device and can on arm support free-moving adjustable counterweight device;The driving device is one kind by wire rope roll Cylinder(19), electromagnetic clutch(20)And decelerating motor(21)Composition simulates hanging basket inclination or power steel wire rope(14)Disconnected rope pendant The power plant fallen;
The aerial work basket basket body(32)It is welded by shaped steel, hanging basket basket body one end is hingedly fixed, and hanging basket basket body is another One movable pulley of end installation(15), power steel wire rope(14)Across the movable pulley(15)Folding and unfolding is carried out under control of the control means To simulate hanging basket inclination or power steel wire rope(14)The disconnected state fallen of restricting;
Day beam on elevator(12)It is supported on the first column(10)With the second column(27)Upper end, arm support(8)Pass through shaft (25)It is installed on tailstock(26)Top, movable pulley(15)Mounted on arm support(8)Leading portion, in arm support(8)On be provided with load counterweight Moving trolley(22), load counterweight moving trolley(22)Underhung have load counter weight device(23), small guide wheel(13)It is fixed In the first column(10)The upper end of side, safety lock(4)Adjustable support is installed mounted on safety lock(5)On;
The arm support(8)It is equipped with obliquity sensor(24), in safety steel cable(3)When upper end is equipped with detectable safety braking The load cell of dynamic brake power(1), load cell(1)One end and Tian Liang(12)Connection, load cell(1)The other end With safety steel cable(3)The data for detecting and being acquired by sensor are read in connection automatically in detection process by computer;
The cable drum of the power plant(19)With decelerating motor(21)Between connect electromagnetic clutch(20), electromagnetism from Clutch(20)Pass through motor under bonding state(21)Rotation control cable drum(19)Send rope to realize the inclined operating mode of arm support, By electromagnetic clutch(20)It disengages to realize simulation power steel wire rope(14)The operating mode of disconnected rope;
First column(10)Interior that counter weight device is housed, which simulates power steel wire rope in detection device(14)Disconnected rope Operating mode electromagnetic clutch(20)The moment of disengagement will be by arm support(8)From cable drum(19)In the power steel wire rope quickly extracted out (14)Tensioning, while in cable drum(19)The cable drum case of outside installation(33)Under the action of anti-stopping power steel wire Rope(14)Job-hopping.
2. safety lock for high-rise operation cradle detecting system as described in claim 1, it is characterised in that:The power steel wire rope (14)One end is fixed on a day beam(12)Top, power steel wire rope(14)The other end passes through movable pulley(15)And it is located at day beam(12) First fixed pulley of top(29)With the second fixed pulley(30)After be wound in cable drum(19)It is interior;Safety steel cable(3)It wears Cross safety lock(4)On mounting hole after with the first clump weight(11)Connection;Seizing wire(16)One end and power steel wire rope(14) It is fixed, seizing wire(16)The other end passes through small guide wheel(13)Later with the second clump weight(18)It is fixed, the second clump weight(18) It can be in clump weight rail plate(17)Upper sliding.
3. safety lock for high-rise operation cradle detecting system as described in claim 1, it is characterised in that:The arm support(8)And Second column(27)It is equipped with graduated scale, manually to read safety lock(4)Lock rope angle, stands slippage at lock rope distance Distance parameter.
4. safety lock for high-rise operation cradle detecting system as described in claim 1, it is characterised in that:First column (10)Two pieces of limit switches above and below upper installing, one piece is arm support upper limit touching switch(2), another piece is the touching of arm support lower limit Switch(9), so that can be the case where device fails or safety lock fail during detection device executes detection program Under make detection program closed loop, to protect equipment operational safety.
5. safety lock for high-rise operation cradle detecting system as described in claim 1, it is characterised in that:The safety lock installation Adjustable support(5)It is connected with safety lock adjustable support adjusting screw rod(6), for adjusting safety lock(4)Swing arm and power steel wire rope (14)The distance between.
6. safety lock for high-rise operation cradle detecting system as described in claim 1, it is characterised in that:The load is with refitting It sets(23)With load counterweight moving trolley(22)It is mobile to adjust loaded load.
CN201721724892.5U 2017-12-12 2017-12-12 Safety lock for high-rise operation cradle detecting system Active CN207832430U (en)

Priority Applications (1)

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CN201721724892.5U CN207832430U (en) 2017-12-12 2017-12-12 Safety lock for high-rise operation cradle detecting system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107831007A (en) * 2017-12-12 2018-03-23 上海市建筑科学研究院科技发展有限公司 Safety lock for high-rise operation cradle detecting system
CN116607744A (en) * 2023-07-14 2023-08-18 河南省宏大建设工程有限公司 Hanging basket for building construction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107831007A (en) * 2017-12-12 2018-03-23 上海市建筑科学研究院科技发展有限公司 Safety lock for high-rise operation cradle detecting system
CN107831007B (en) * 2017-12-12 2024-04-30 上海市建筑科学研究院科技发展有限公司 Safety lock detection system for high-altitude operation hanging basket
CN116607744A (en) * 2023-07-14 2023-08-18 河南省宏大建设工程有限公司 Hanging basket for building construction
CN116607744B (en) * 2023-07-14 2023-10-03 河南省宏大建设工程有限公司 Hanging basket for building construction

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