CN110329722A - Elevator safety for the automatic shipping systems of auto parts and components protects system - Google Patents
Elevator safety for the automatic shipping systems of auto parts and components protects system Download PDFInfo
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- CN110329722A CN110329722A CN201910710982.6A CN201910710982A CN110329722A CN 110329722 A CN110329722 A CN 110329722A CN 201910710982 A CN201910710982 A CN 201910710982A CN 110329722 A CN110329722 A CN 110329722A
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- 238000001514 detection method Methods 0.000 claims abstract description 35
- 230000007423 decrease Effects 0.000 claims abstract description 20
- 239000000725 suspension Substances 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000007257 malfunction Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/20—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising load-carriers suspended from overhead traction chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Elevator Control (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Elevator safety for the automatic shipping systems of auto parts and components protects system, it is more to overcome prior art elevator malfunctions, there are problems that security risk, it is characterized in including Cantenary suspension conveying system, master system and PLC control system, lifter motor overload sensor is installed on lifter motor, elevator front end follow the bus detection sensor, elevator, which rises, gets over level sensor, elevator rises sensors in place, elevator rises deceleration sensor, elevator declines deceleration sensor, elevator falls into place sensor, level sensor is got in elevator decline, elevator rear end follow the bus detection sensor, stretched wire motor overload sensor is installed on stretched wire driving motor, beneficial effect is, pass through safety door, the chain and multiple sensor of Press line and elevator detects the state of elevator in advance, it aims at prevention, It can avoid signal deceptive movement occur leading to the generation of system failure problem, it is ensured that the stable operation and personal safety of equipment.
Description
Technical field
The invention belongs to what auto parts and components Multiple Type loaded in mixture to be automatically stored and send system, in particular to be used for automobile
The elevator safety of the automatic shipping systems of components protects system.
Background technique
For auto producer, there are many type of auto parts and components, since every kind of component output and demand are variant,
So inventory is different, existing method is stored in stock item inside utensil, is then placed into ground storage area, when pickup,
It needs operator to take out out of different utensil again, so product is caused repeatedly to be changed hands, be easy to cause scuffing；And due to
Artificial sequence, it is easy to lead to the mistake of sequence, and need to put into very big manpower, fork truck and place etc..
In order to solve problem above, the applicant discloses in the utility model application No. is CN201520575278.1
A kind of saving space reduces and carries number, improves the automatic shipping systems of auto parts and components of product shipping accuracy rate.This is practical new
The technical solution that type uses includes transmission device, track, piece uploading system, lower part system, several carriers and control system；Described
Transmission device is that transmission chain is equipped with several hooking devices, and the upper end of track is arranged in transmission chain, and corresponding with track, hangs
Hook device is flexibly connected with carrier, and carrier is driven to move along track；Piece uploading system and lower part system connect with track activity respectively
It connects.The piece uploading system is that rack I is equipped with lifting device I, and I one end of lifting device is connect with counterweight I, the other end and company
Bar I connects, and connecting rod I is fixed with guide rail I is connect, and connection guide rail I is flexibly connected with carrier；Lifting device I is driven by connecting rod I
Connection guide rail I moves up and down, and is flexibly connected connection guide rail I with track;The lower part system, which is that rack II is equipped with, to be risen
Falling unit II, II one end of lifting device are connect with counterweight II, and the other end is connect with connecting rod II, and connecting rod II is consolidated with guide rail II is connect
Fixed, connection guide rail II is flexibly connected with carrier；Lifting device II drives connection guide rail II to move up and down by connecting rod II, and makes to connect
Guide rail II is connect to be flexibly connected with track.Control system described in the utility model is controlled using PLC, will be produced by system before manufacture
Task is input in PLC by touch screen, and different kinds is transported to respective dedicated by the identifying system being arranged by system
Storage area storage, and automatically adjust the sequencing of each kind as requested and come out arrival sequence area out of memory block.It is logical
The technical solution of above-mentioned auto parts and components shipping systems is crossed, what auto parts and components Multiple Type loaded in mixture is automatically stored and sends system
In elevator can apply to opening and vertical lift conveyer system in, still, the utility model propose
Technical solution in operation in recent years by finding, the failure of elevator is more in the above-mentioned automatic shipping systems of auto parts and components,
There are more security risks to there is the following problem from using after the shipping systems in terms of elevator:
First, since hooking device is flexibly connected with carrier, and carrier is driven to move along track, the components being hung on carrier produce
Product are easy to produce shaking, lead to the appearance of signal deceptive movement situation, once there is signal deceptive movement, will touch some of subsequent workpiece
Interlocking action causes program chaotic；
Second, since shipping systems belong to open channel, when being easy to happen elevator and not reaching extreme higher position, triggering following work
Part travels forward, and trolley is caused to fall, and there is the risk for injuring personnel by a crashing object；
Third is easy that there are front trucks not to fall also in the case where signal deceptive movement, and a part of rear car enters in elevator, leads
It causes front truck and rear car to collide in elevator, blocks fluctuating orbit mutually with delivery track, lead to the system failure；
4th, workpiece enters in elevator, is easy to make trolley occur to slide risk there are stopper failure；
5th, when elevator moves up and down, safety door and Press line interlock protection are insufficient, be easy to cause security risk.
In the prior art, generally there is overload protection about elevator safety safeguard measure, earth leakage protective, prevent elevator
Self-starting protection, position limitation protection and motor overload protection, linking equipped with chain rupture protection and door machine also are protected, but for
How the automatic shipping systems of auto parts and components existing above problem in terms of suspended chain elevator solves no relevant report.
A kind of " the identification of lifter apparatus and long-range is disclosed application No. is the utility model of CN201720774550
Monitoring system ", the utility model include the processing of touch screen HMI central data and monitoring unit, radio network gateway, radio node, sound
Light alarm lamp, Elevator control units, fingerprint identification device, radio frequency identification (RFID) safety door lock, upper limit switch, lower limit
Bit switch, emergency exits detection unit, weighing sensor, safety lock switch, promotes motor, guardrail door lock, mistake at platform limit switch
Carry indicator light, run indicator, platform indicator light；Central data processing and monitoring unit pass through radio network gateway and radio node
Wireless transmission function obtains lifter apparatus input, output signal, and exports sound-light alarm to failure；System passes through elevator
Whether internal fingerprint identification device detection operator has operating right, and detecting operator by the safety door latch of RFID technique is
No normal operations safety door；The utility model can not only administrative operator authorization and operational issue, moreover it is possible to elevator run
Long-range monitoring and alarm.But the utility model does not provide auto parts and components that automatic shipping systems are deposited in terms of stretched wire elevator
The technical inspiration how to solve of the above problem, the especially utility model is only identification and remote monitoring system, cannot
Applied in opening stretched wire elevator control system.
Summary of the invention
Problem to be solved by this invention is overcome the deficiencies in the prior art place and defect, to ensure stretched wire elevator
Safe operation and whole system stable operation, allow stretched wire lifting function it is smooth, it is safe and reliable be applied to have notched rail
A kind of elevator safety protection system for the automatic shipping systems of auto parts and components is provided in the conveyer system in road.
The technical solution adopted by the present invention includes Cantenary suspension conveying system, master system and PLC control system, the stretched wire
Transportation system includes rack, crane, lifter motor, elevator chain and stretched wire driving motor, in the left and right of the rack
Two sides are separately installed with left rail and right guide rail, divide at left and right sides of the upper rack position conllinear with crane horizontal line
Left stretched wire guide rail and right stretched wire guide rail are not installed, the left stretched wire guide rail and right stretched wire guide rail are divided into two layers, upper layer installation
There is stretched wire chain, lower layer is equipped with trolley, the first stopper is equipped with above left stretched wire guide rail, under the first stopper
The first hair bar of end installation, installs in crane and has the second stopper, is installed in the lower end of the second stopper by connecting rod
There is the second hair bar, safety door is installed before the rack, Press line is installed in the bottom of rack, in the liter
It drops and lifter motor overload sensor is installed on electromechanical machine, stretched wire motor overload biography is installed on the stretched wire driving motor
Sensor is equipped with elevator front end follow the bus detection sensor by connecting rod in the lower section of the left stretched wire guide rail, described first
First solenoid valve is installed on stopper, the first return sensor is installed on the first stopper cylinder), in the rack
Top is equipped with elevator and rises more level sensor, is equipped with elevator on the top of rack and rises sensors in place, in rack
Top be equipped with elevator rise deceleration sensor, being equipped in the lower part of rack prevents chain rupture sensor, in frame lower
Elevator decline deceleration sensor is installed, elevator is installed in frame lower and falls into place sensor, is pacified in frame lower
Level sensor is got over equipped with elevator decline, elevator rear end is equipped with car test by connecting rod in the lower part of the right stretched wire guide rail
Sensor is surveyed, second solenoid valve is installed on the second stopper, the second return sensor is installed on the second stopper cylinder,
Draft cylinder is installed on right stretched wire guide rail, draft cylinder solenoid valve is installed at the rear portion of draft cylinder and draft cylinder arrives
Level sensor, is equipped with safe door closed sensor in the safety door lower end, is equipped with safety door in the safety door upper end
Turn on sensor is equipped with Press line detection sensor on the Press line, is installed at the top of crane by connecting rod
There is elevator to reach the mechanical stop at top.
The master system includes industrial personal computer and the manual scanning rifle connecting with industrial personal computer, RFID label tag, RFID read-write
Device and operating condition operating display, the master system are connect with communication cable with PLC control system by industrial personal computer.
The PLC control system include PLC and the first hair bar being connect with PLC, the second hair bar, driving circuit,
Equipment controls display screen, safety relay, trouble lamp and pneumatic circuit, wherein the driving circuit includes that elevator becomes
Frequency device, chain frequency converter and safety door frequency converter, the elevator frequency converter are connect with lifter motor, the chain frequency converter
Connect with stretched wire driving motor, the safety door frequency converter is connect with safe door motor, the lifter motor respectively with lifting
Machine motor overload sensor, elevator rise get over level sensor, elevator sensors in place, elevator rise deceleration sensor,
Elevator decline deceleration sensor, elevator fall into place sensor, demotion under level sensor and elevator is got in elevator decline
Set sensor connection；The stretched wire driving motor is connect with stretched wire motor overload sensor, the safe door motor respectively with peace
Air cock closure sensor is connected with safety door turn on sensor, and the safety relay is examined with scram button, Press line respectively
It surveys sensor, prevent chain rupture sensor, elevator front end follow the bus detection sensor and elevator rear end follow the bus detection sensor from connecting
It connects, the pneumatic circuit includes the first solenoid valve, second solenoid valve and third solenoid valve, and first solenoid valve and first stop
The connection of device cylinder, the first stopper cylinder are connect with the first return sensor, the second solenoid valve and the second stopper cylinder
Connection, the second stopper cylinder are connect with the second return sensor, and the third solenoid valve is connect with draft cylinder, draft cylinder
It is connect with draft cylinder sensors in place, the lifter motor overload sensor, elevator, which rise, gets over level sensor, elevator
Sensors in place, elevator rise deceleration sensor, elevator decline deceleration sensor, elevator and fall into place sensor, rise
The decline of drop machine gets over level sensor, elevator down position sensor, scram button, Press line detection sensor, prevents chain rupture
Sensor, elevator front end follow the bus detection sensor, elevator rear end follow the bus detection sensor, the first return sensor, second
Return sensor and draft cylinder sensors in place are connect with PLC respectively.
Compared with prior art, the invention has the following advantages:
(1) since present invention employs elevator front end follow the bus detection sensors and elevator rear end follow the bus detection sensor, such as
There is signal deceptive movement in fruit, and elevator front end follow the bus detection sensor and elevator rear end follow the bus detection sensor will believe failure
Number it is sent to PLC, whole system is out of service, and trouble lamp alarm, device display screen shows fault message, relevant maintenance
Personnel's processing, can avoid the occurrence of signal deceptive movement causes front truck and rear car to be collided in elevator, makes fluctuating orbit and conveyor track
The problem of road blocks mutually, leads to the system failure, so as to avoid the generation of safety accident；
(2) since present invention employs elevator locations detection sensors, including the rising of elevator sensors in place, elevator to get over
Level sensor, elevator fall into place sensor, level sensor is got in elevator decline, elevator declines deceleration sensor and lifting
Machine rises deceleration sensor, by detecting the state of elevator in advance, aims at prevention, can further prevent front truck with after
Vehicle is collided in elevator, and fluctuating orbit is made to block the problem of leading to system jam mutually with delivery track or cause small
Vehicle falls the risk for injuring personnel by a crashing object, it is ensured that the stable operation and personal safety of equipment；
(3) present invention passes through safety door, chain, safety door when solving elevator up and down motion of Press line and elevator
The problem of be easy to causeing security risk with Press line interlock protection deficiency, it is ensured that when personnel work in safety door, nothing
By either with or without people's maloperation start button, elevator will not all be moved, and protect the safety of operator to the maximum extent,
It solves personnel safety protection problem, applies to elevator steadily in Cantenary suspension conveying system, and pass through Cantenary suspension conveying system
It solves the problems, such as to be laid out limitation caused by original ramp land occupation, keeps the layout of factory more flexible, it is flexible, improve production
Efficiency alleviates the burden of operator.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of stretched wire elevator of the present invention,
Fig. 2 is the left view of Fig. 1,
Fig. 3 is the top view of Fig. 1,
Fig. 4 is Control system architecture block diagram of the invention.
In figure:
1. lifter motor, 2. elevator chains,
3. stretched wire driving motor, 4. stretched wire motor overload sensors,
5. trolley, 6. first hair bars,
7. elevator, which rises, gets over level sensor, 8. elevator sensors in place,
9. elevator front end follow the bus detection sensor, 10. elevators rise deceleration sensor,
11. safety door, 12. prevent chain rupture sensor,
13. elevator declines deceleration sensor, 14. elevators fall into place sensor,
15. elevator decline more level sensor, 16. safe door closed sensors,
17. safety door turn on sensor, 18. elevator rear end follow the bus detection sensors,
19. the second hair bar, 20. stretched wire chains,
The sensor 21. lifter motor overloads, 22. Press line detection sensors,
23. Press line, 24. first solenoid valves
25. the first stopper cylinder, 26. first return sensors,
27. draft cylinder, 28. draft cylinder sensors in place,
29. third solenoid valve, 30. second stopper cylinders,
31. the second return sensor, 32. second solenoid valves,
33. rack, 34 cranes,
35-1. left rail, the right guide rail of 35-2.,
36 guide wheels, 37 sprocket wheels,
The left stretched wire guide rail of 38-1., the right stretched wire guide rail of 38-2.,
39. counterweight, 40. mechanical stops,
411. industrial personal computers, 412. manual scanning rifles,
413.RFID label, 414.RFID reader,
415. operating condition operating display,
421.PLC, 422. driving circuits,
423. equipment control display screen, 424. safety relays,
425. trouble lamps, 426. pneumatic circuits,
427. elevator frequency converters, 428. chain frequency converters,
429. safety door frequency converters, 430. safe door motors,
431. elevator down position sensors, 432. scram buttons.
Specific embodiment
The technical solution adopted by the present invention includes Cantenary suspension conveying system, master system and PLC control system, as Fig. 1~
Shown in Fig. 3, the Cantenary suspension conveying system includes rack 33, has crane 34 in the installed in front of rack 33, on the top of rack 33
Lifter motor 1 is installed in portion, lifter motor overload sensor 21 is installed on lifter motor 1, in the defeated of lifter motor 1
Sprocket wheel 37 is installed on shaft, elevator chain 2, one end of elevator chain 2 and the crane are installed on sprocket wheel 37
34 connections, the other end of elevator chain 2 connect with the counterweight 39 in rack 33, are separately installed in the left and right sides of rack 33
The left and right ends of left rail 35-1 and right guide rail 35-2, the crane 34 are equipped with waling stripe and vertical links, in crane
It is separately installed with 2 pairs of guide wheels 36 on 34 vertical links of left and right 2, when work, under the driving of lifter motor 1, elevator
Chain 2 drives crane 34 to move up and down by the guide wheel 36 of 2 sides of left and right along left rail 35-1 and right guide rail 35-2；In rack
33 tops are separately installed with left stretched wire guide rail 38-1 and right stretched wire guide rail at left and right sides of the position conllinear with 34 horizontal line of crane
38-2, left stretched wire guide rail 38-1 and right stretched wire guide rail 38-2 are divided into two layers, and upper layer is equipped with stretched wire chain 20, and lower layer's installation is small
Vehicle 5 is equipped with stretched wire driving motor 3 in the upper surface of left stretched wire guide rail 38-1, stretched wire motor is equipped on stretched wire driving motor 3
G sensor 4 installs elevator front end follow the bus detection sensor 9 by connecting rod in the lower section of left stretched wire guide rail 38-1, on a left side
First stopper 25 is installed above stretched wire guide rail 38-1, the first solenoid valve 24 is installed on the first stopper 25, first
First stopper return sensor 26 is installed, hair No. the first of installation in the lower end of the first stopper 25 on the cylinder of stopper 25
Bar 6, is equipped with elevator on the top of rack 33 and rises more level sensor 7, and on the top of rack 33, installation elevator passes in place
Sensor 8 is equipped with elevator on the top of rack 33 and rises deceleration sensor 10, and being equipped in the lower part of rack 33 prevents chain rupture
Sensor 12 is equipped with elevator decline deceleration sensor 13 in 33 lower part of rack, in 33 lower part of rack installation elevator decline
Sensors in place 14 gets over level sensor 15 in 33 lower part of rack installation elevator decline, logical in the lower part of right stretched wire guide rail 38-2
It crosses connecting rod and elevator rear end follow the bus detection sensor 18 is installed, the second stopper 30 is installed in crane 34, is stopped second
Second solenoid valve 32 is only installed on device cylinder 30, the second return sensor 31 is installed on the second stopper cylinder 30, second
The lower end of stopper cylinder 30 is equipped with the second hair bar 19 by connecting rod, is equipped with draft cylinder on right stretched wire guide rail 38-2
27, third solenoid valve 29 and draft cylinder sensors in place 28 are installed at the rear portion of draft cylinder 27, before rack 33
Safety door 11 is installed, safe door closed sensor 16 is installed in 11 lower end of safety door, is equipped in 11 upper end of safety door
Air cock turn on sensor 17 is equipped with Press line 23 in the bottom of rack 33, is equipped with Press line on Press line 23
Detection sensor 22, be equipped at the top of crane 34 by connecting rod elevator reach at the top of mechanical stop 40.
As shown in figure 4, the master system includes industrial personal computer 411 and the manual scanning rifle connecting with industrial personal computer 411
412, RFID label tag 413, RFID reader 414 and operating condition operating display 415, the master system pass through industrial personal computer 411
It is connect with communication cable with PLC control system, the PLC control system includes PLC421 and the first hair connecting with PLC421
Number bar 6, the second hair bar 19, driving circuit 422, equipment control display screen 423, safety relay 424, trouble lamp 425
With pneumatic circuit 426, wherein the driving circuit 422 includes that elevator frequency converter 427, chain frequency converter 428 and safety door become
Frequency device 429, the elevator frequency converter 427 are connect with lifter motor 1, the chain frequency converter 428 and stretched wire driving motor 3
Connection, the safety door frequency converter 429 are connect with safe door motor 430, and the lifter motor 1 is super with lifter motor respectively
Set sensor 21, elevator, which rise, to be got over level sensor 7, elevator sensors in place 8, elevator rising deceleration sensor 10, rises
Drop machine decline deceleration sensor 13, elevator fall into place sensor 14, elevator decline is got under level sensor 15 and elevator
Position sensor 431 is dropped to connect；The stretched wire driving motor 3 is connect with stretched wire motor overload sensor 4, the safe door motor
430 connect with safe door closed sensor 16 and safety door turn on sensor 17 respectively, the safety relay 424 respectively with urgency
Stop button 432, Press line detection sensor 22, prevent chain rupture sensor 12, elevator front end follow the bus detection sensor 9 and rise
Drop machine rear end follow the bus detection sensor 18 connects, and the pneumatic circuit 426 includes the first solenoid valve 24, second solenoid valve 32 and the
Three solenoid valves 29, first solenoid valve 24 are connect with the first stopper cylinder 25, the first stopper cylinder 25 and the first return
Sensor 26 connects, and the second solenoid valve 32 connect with the second stopper cylinder 30, the second stopper cylinder 30 and second time
Level sensor 25 connects, and the third solenoid valve 29 is connect with draft cylinder 27, and draft cylinder 27 and draft cylinder sense in place
Device 28 connects.
When work, workpiece is suspended on trolley 5 by operator, is scanned workpiece with manual scanning rifle 412, is given with master system
Codes match after, indicator light greening, operator out of safety door 11 come out, by start button, safe door motor 430 is opened at this time
Beginning to close, safe door closed sensor 16 detects that safety door 11 is closed, and Press line detection sensor 22 is triggered without signal,
Cantenary suspension conveying system brings into operation, and lifting motor 1 starts turning, and crane 34 is begun to ramp up from bottom, runs to rising and slows down
After sensor 10, reduce speed now, to after rising sensors in place 8, elevator is out of service, and the second stopper cylinder 30 is opened,
Stretched wire chain 20 brings out trolley 5 out of crane 33, after No. second hair bar 19 gives 25 signal of the first stopper cylinder, the
One stopper cylinder 25 is opened, and the second stopper cylinder 30 is closed, and trolley 5 is taken to specified position by stretched wire chain 20, is stretched
Cylinder 27 starts to stretch out, and trolley 5 is drawn into crane 33, No. second hair bar 19 has detected that trolley 5 is come in, draft cylinder
After return sensor 28 detects signal, 1 setting in motion of lifter motor is dropped to crane 33 by elevator chain 2
Elevator declines at deceleration sensor 13, and lifter motor 1 reduces speed now, and detects until elevator falls into place sensor 14
After signal, lifter motor 1 stops, and safety door 11 is opened, after safety door opening sensor 17 detects signal, safe door motor
430 stop.
When occur lifter motor overload, crane rise it is offside, crane decline it is offside, stretched wire motor overload, chain rupture,
Before elevator after follow the bus or elevator when follow the bus failure, corresponding lifter motor overload sensor 21, elevator rise offside
Level sensor 15 is got in sensor 7, elevator decline, and stretched wire motor overload sensor 4 prevents chain rupture sensor 12, before elevator
Follow the bus detection sensor 9, elevator rear end follow the bus detection sensor 18 are held, fault-signal is sent to by the above sensor
PLC421, trouble lamp 425 are alarmed, and device display screen 423 shows fault message, relevant maintenance personnel's processing；It is tight when having
When suddenly happening, operator can make system out of service by scram button 432, relevant maintenance personnel's processing.
Setting and interlock protection by above-mentioned security system, play the lifting to the automatic shipping systems of auto parts and components
The safeguard protection of machine avoids and the generation that signal deceptive movement causes safety accident occurs.
Claims (3)
1. the elevator safety for the automatic shipping systems of auto parts and components protects system, including Cantenary suspension conveying system, host computer
System and PLC control system, the Cantenary suspension conveying system include rack (33), crane (34), lifter motor (1), lifting
Chain item (2) and stretched wire driving motor (3), are separately installed with left rail (35-1) and the right side at left and right sides of the rack (33)
Guide rail (35-2), which is characterized in that at left and right sides of the position conllinear with crane (34) horizontal line of the rack (33) top
It is separately installed with left stretched wire guide rail (38-1) and right stretched wire guide rail (38-2), the left stretched wire guide rail (38-1) and right stretched wire guide rail
(38-2) is divided into two layers, and upper layer is equipped with stretched wire chain (20), and lower layer is equipped with trolley (5), in left stretched wire guide rail (38-1)
Top the first stopper (25) are installed, the first stopper (25) lower end install the first hair bar (6), in crane
(34) it is installed in and has the second stopper (30), the second hair bar is equipped with by connecting rod in the lower end of the second stopper (30)
(19), it is equipped with before the rack (33) safety door (11), Press line (23) is installed in the bottom of rack (33),
Lifter motor overload sensor (21) is installed on the lifter motor (1), is pacified on the stretched wire driving motor (3)
Equipped with stretched wire motor overload sensor (4), before the lower section of the left stretched wire guide rail (38-1) is equipped with elevator by connecting rod
It holds follow the bus detection sensor (9), the first solenoid valve (24) is installed on first stopper (25), in the first stopper gas
First return sensor (26) is installed on cylinder (25), elevator is installed on the top of the rack (33) and rises offside sensing
Device (7) is equipped with elevator on the top of rack (33) and rises sensors in place (8), is equipped with liter on the top of rack (33)
Drop machine rises deceleration sensor (10), and being equipped in the lower part of rack (33) prevents chain rupture sensor (12), under rack (33)
Portion is equipped with elevator decline deceleration sensor (13), is equipped with elevator in rack (33) lower part and falls into place sensor
(14), elevator decline is installed in rack (33) lower part and gets over level sensor (15), under the right stretched wire guide rail (38-2)
Portion is equipped with elevator rear end follow the bus detection sensor (18) by connecting rod, installs second solenoid valve on the second stopper (30)
(32), the second return sensor (31) is installed on the second stopper cylinder (30), is installed on right stretched wire guide rail (38-2)
There are draft cylinder (27), draft cylinder solenoid valve (29) is installed at the rear portion of draft cylinder (27) and draft cylinder senses in place
Device (28) is equipped with safe door closed sensor (16) in the safety door (11) lower end, pacifies in the safety door (11) upper end
Equipped with safety door turn on sensor (17), Press line detection sensor (22) are installed on the Press line (23),
The mechanical stop (40) that elevator reaches top is equipped with by connecting rod at the top of crane (34).
2. the elevator safety according to claim 1 for the automatic shipping systems of auto parts and components protects system, special
Sign is that the master system includes industrial personal computer (411) and the manual scanning rifle (412), the RFID that connect with industrial personal computer (411)
Label (413), RFID reader (414) and operating condition operating display (415), the master system pass through industrial personal computer (411)
It is connect with communication cable with PLC control system.
3. the elevator safety according to claim 1 or 2 for the automatic shipping systems of auto parts and components protects system,
Be characterized in that, the PLC control system includes PLC(421) and and PLC(421) connection the first hair bar (6), second send out
Number bar (19), driving circuit (422), equipment control display screen (423), safety relay (424), trouble lamp (425) and
Pneumatic circuit (426), wherein the driving circuit (422) includes elevator frequency converter (427), chain frequency converter (428) and peace
Air cock frequency converter (429), the elevator frequency converter (427) connect with lifter motor (1), the chain frequency converter (428)
It is connect with stretched wire driving motor (3), the safety door frequency converter (429) connect with safe door motor (430), and the lifting is electromechanical
Machine (1) rises with lifter motor overload sensor (21), elevator respectively gets over level sensor (7), elevator sensors in place
(8), elevator rises deceleration sensor (10), elevator declines deceleration sensor (13), elevator falls into place sensor
(14), level sensor (15) and elevator down position sensor (431) connection are got in elevator decline；The stretched wire driving motor
(3) connect with stretched wire motor overload sensor (4), the safe door motor (430) respectively with safe door closed sensor (16)
It is connected with safety door turn on sensor (17), the safety relay (424) is examined with scram button (432), Press line respectively
It surveys sensor (22), prevent chain rupture sensor (12), elevator front end follow the bus detection sensor (9) and elevator rear end with car test
Sensor (18) connection is surveyed, the pneumatic circuit (426) includes the first solenoid valve (24), second solenoid valve (32) and third electromagnetism
Valve (29), first solenoid valve (24) connect with the first stopper cylinder (25), the first stopper cylinder (25) with first time
Level sensor (26) connection, the second solenoid valve (32) connect with the second stopper cylinder (30), the second stopper cylinder
(30) it is connect with the second return sensor (31), the third solenoid valve (29) connect with draft cylinder (27), draft cylinder
(27) it is connect with draft cylinder sensors in place (28), lifter motor overload sensor (21), elevator rise offside
Sensor (7), elevator sensors in place (8), elevator rise deceleration sensor (10), elevator declines deceleration sensor
(13), elevator falls into place sensor (14), level sensor (15), elevator down position sensor are got in elevator decline
(431), scram button (432), Press line detection sensor (22), prevent chain rupture sensor (12), elevator front end follow the bus
Detection sensor (9), elevator rear end follow the bus detection sensor (18), the first return sensor (26), the second return sensor
(31) it is connect respectively with PLC(421) with draft cylinder sensors in place (28).
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| CN201910710982.6A CN110329722B (en) | 2019-08-02 | 2019-08-02 | Elevator safety protection system for automatic automobile part delivery system |
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|---|---|---|---|
| CN201910710982.6A CN110329722B (en) | 2019-08-02 | 2019-08-02 | Elevator safety protection system for automatic automobile part delivery system |
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| CN110329722B CN110329722B (en) | 2024-07-12 |
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| CN111994393A (en) * | 2020-07-15 | 2020-11-27 | 扬州中欧工业机器人有限公司 | Packaging bag grabbing and discharging mechanism and grabbing and discharging method thereof |
| CN112429668A (en) * | 2020-12-23 | 2021-03-02 | 有利华建材(惠州)有限公司 | Elevator and operation method thereof |
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