CN102289216B

CN102289216B - Electrical control system with wheel-trailing general assembly line of vehicle-connected off-line equipment and work method thereof

Info

Publication number: CN102289216B
Application number: CN 201110076855
Authority: CN
Inventors: 李有吉; 段华荣; 贾天义; 尹德秀; 李�杰; 刘文化; 吴志刚; 李超
Original assignee: First Tractor Co Ltd
Current assignee: First Tractor Co Ltd
Priority date: 2011-03-29
Filing date: 2011-03-29
Publication date: 2013-08-07
Anticipated expiration: 2031-03-29
Also published as: CN102289216A

Abstract

The invention relates to an electrical control system with a wheel-trailing general assembly line of vehicle-connected off-line equipment and a work method thereof. The electrical control system mainly comprises a PLC (Programmable Logic Controller), an equipment lifting control unit, a plate chain operation electrical control unit, an equipment and plate chain linkage control switch, an equipment tabletop one-key reset switch and other parts. The work method mainly comprises a chain speed adjusting and controlling method and 'horizontal ascending', 'horizontal descending' and 'tilting' controlling methods of the vehicle-connected equipment tabletop. The electrical control system disclosed by the invention not only can be used for realizing 'horizontal ascending' or 'horizontal descending' assisted by 'tilting' controlling over the vehicle-connected tabletop of the vehicle-connected off-line equipment according to the requirement and meeting the requirements for automatic table climbing along the line and down sliding along the slope to be off the line, but also can be used for controlling the speed of the plate chain according to the requirement at any time to meet the adjusting requirement of an assembly beat; the electrical control system is novel and practical and has favorable application value; and the work method is simple and feasible.

Description

Have and connect car electric-control system and the method for work that the wheel of equipment drags general assembly line that roll off the production line

Technical field

The invention belongs to the industry automatic control technical field, relate in particular to and connect car electric-control system and the method for work that the wheel of equipment drags general assembly line that roll off the production line a kind of having.

Background technology

Wheeled tractor abbreviates wheel as and drags.In China, wheel drags general assembly line to adopt board-like carrier chain mostly, claims again by " plate chain ", and on the carrier bar of its plate chain, is provided with some groups of fixed supports, is used for supporting some the wheeled tractors that are in different assembling processes.

Yet, changes in demand and science and technology development along with market, not only it is taken turns and drags the type kind increasing, and scientific and technological content is strengthening, and body size difference is also changing, and it takes turns the assembly work amount of dragging and variation has also taken place the assembling beat, this makes the wheel of original " have and connect the car coil inserting apparatus " drag general assembly line, adapt to the car that connects that multi-model wheel drags and roll off the production line, and satisfies the adjustment at random of beat, implement the conllinear assembling work, begin to encounter difficulties.As:

1) original and general assembly line matching used " connecing the car coil inserting apparatus " connects the ride face, " the flat liter ", " pancake " reach " verting " function owing to do not possess, being difficult to adapt to the car that connects that wheel drags rolls off the production line, especially for some are non-maneuverable " connect car roll off the production line fixed station ", when connecing car, bull wheel drags the many people of need to push to and connects the ride face, does not need the people to push away though steamboat drags, but it is taken turns the propons that drags and is easy between state's fixed rack that support wheel drags, the card fault of spraining occurs; In addition, when rolling off the production line, drag at the wheel that connects on the ride face, no matter its size all need manually push, waste time and energy, and inefficiency, influence is produced.

2) because former the wheel dragged " plate chain " general assembly line, the owner will be used for a certain the wheel and drag or take turns the general assembly of dragging the modification wheel of deriving to drag by this, kind is single relatively, difference is little, thereby, used drive part had not been considered the speed governing link is set, so cause " plate chain " only can not satisfy the adjustment at random of its assembling beat with its single chain speed operation.

At the problems referred to above, the applicant has in development and connects car and roll off the production line when the wheel of equipment drags general assembly line, has studied electric-control system design and the method for work of this general assembly line, and has received good effect.

Summary of the invention

The object of the present invention is to provide connect car electric-control system and the method for work that the wheel of equipment drags general assembly line that roll off the production line a kind of having, its characteristics are: the car automatically controlled part of equipment that rolls off the production line that connects that disposes drags general assembly line " plate chain " electric control part branch to be combined into an electric-control system with wheel, not only can be according to need, it is connect the car equipment of rolling off the production line connect ride face enforcement " the flat liter " or " pancake " and auxilliary controlling in " verting ", that satisfies that many kinds wheels drag after the general assembly appears on the stage with line and the coasting needs that roll off the production line automatically, and can be at any time frequency conversion control " plate chain " travelling speed according to need, satisfy the adjustment needs of assembling beat; In addition, connecing car rolls off the production line and also is provided with the joint control measure between equipment and " the plate chain ", can solve reliably the general assembly trailing wheel that is positioned on " plate chain " drag with the equipment of climbing up connect wheel on the ride face drag bump against or with the problem that ride plate afterbody bumps against that connects of verting, and method of work simple possible, performance is safe and reliable, has good use value.

In order to realize goal of the invention of the present invention, the present invention can be achieved through the following technical solutions:

Connect the roll off the production line wheel of equipment of car drag the electric-control system of general assembly line a kind of having, and comprising: PLC Programmable Logic Controller, state indication ECU (Electrical Control Unit), equipment lifting ECU (Electrical Control Unit), plate chain operation ECU (Electrical Control Unit), equipment move motor overload isolating switch, equipment lifting motor overload circuit breaker, equipment table top one key reset switch, equipment table top lifting limit limit switch, plate chain mode of operation change-over switch, equipment mode of operation change-over switch, system's emergency stop switch with plate chain integrated control switch, plate chain; Wherein, set PLC Programmable Logic Controller is master controller, can dock car roll off the production line equipment, general assembly line " plate chain " and the interlock protection between the two respectively, implements automatically controlled.

Connect the roll off the production line wheel of equipment of car drag the electric-control system of general assembly line a kind of having, and described state indication ECU (Electrical Control Unit) comprises: system's run indicator, system debug pilot lamp, system failure pilot lamp and the automatically controlled circuit that disposes; Described equipment lifting ECU (Electrical Control Unit), comprise: the front equipment end lifting is with braking motor, two contactors, two relays and the automatically controlled circuit that disposes, in addition, also comprise the A lifting of equipment rear end with braking motor, the B lifting of equipment rear end with braking motor, two contactors, two relays and the automatically controlled circuit that disposes; Described plate chain operation ECU (Electrical Control Unit) comprises: the operation of plate chain is with motor, frequency converter, speed adjusting resistance and the automatically controlled circuit that disposes;

Connect the roll off the production line wheel of equipment of car drag the electric-control system of general assembly line a kind of having, and described equipment and plate chain integrated control switch comprise: No. 1 optoelectronic switch of joint control, No. 2 optoelectronic switches of joint control, No. 3 optoelectronic switches of joint control and the automatically controlled circuit that disposes; Described plate chain operation motor overload isolating switch, the automatically controlled circuit that is an isolating switch and disposes; Described equipment lifting motor overload circuit breaker comprises: table top front end lifting motor overload switch is that isolating switch, table top rear end lifting motor overload switch are isolating switch and the automatically controlled circuit that disposes; Described equipment table top one key reset switch comprises: the table top front end resets and finishes switch, table top rear end A and reset and finish the automatically controlled circuit that switch, table top rear end B reset and finish switch and dispose; Described equipment table top lifting limit limit switch comprises: table top front end limes superiors limit switch, table top front end smallest limit limit switch, table top rear end A limes superiors limit switch, table top rear end A smallest limit limit switch, table top rear end B limes superiors limit switch, table top rear end B smallest limit limit switch and the automatically controlled circuit that disposes;

Connect the roll off the production line wheel of equipment of car drag the electric-control system of general assembly line a kind of having, and described plate chain mode of operation change-over switch comprises: plate chain start button, plate chain stop button and the automatically controlled circuit that disposes; Described equipment mode of operation change-over switch comprises: hold decline button, table of equipment surface rear end rising button, table of equipment surface rear end decline button, the flat automatically controlled circuit that rises button, equipment table top pancake button, equipment table top one key reset button and dispose of equipment table top in face of holding rising button, table of equipment in face of the table of equipment; Described system emergency stop switch, the automatically controlled circuit that is system's scram button and disposes.

Connect the roll off the production line wheel of equipment of car drag the equipment lifting ECU (Electrical Control Unit) described in the electric-control system of general assembly line above-mentioned a kind of having, it is characterized in that: equipment connects " the flat liter ", " pancake " and " verting " function of ride face, be to be achieved by three liftings " just changeing " or " counter-rotating " with braking motor, described three lifting braking motors are front equipment end lifting braking motor, equipment rear end A lifting braking motor, equipment rear end B lifting braking motor; Wherein, front equipment end lifting braking motor, connect firmly on two fulcrum lift assemblies, responsible equipment connects the rise and fall of holding in face of the ride, be front equipment end lifting braking motor, the power that " just changeing " or " counter-rotating " exported can pass through commutator assembly, two Screw of Worm Gear lifters, two tape guide push rod component, be passed to the front bottom end that connects ride plate assembly, impel it to rise according to need or descend; The A lifting of equipment rear end braking motor and equipment rear end B lifting braking motor, connect firmly respectively on single fulcrum A lift assembly and single fulcrum B lift assembly, the two is responsible for the rise and fall that equipment connects the ride surface rear end jointly, be equipment rear end A lifting braking motor and equipment rear end B lifting braking motor, the two takes interlock control, the power that the two motor " just changes " or " counter-rotating " exports, respectively by " Screw of Worm Gear A lifter/Screw of Worm Gear B lifter ", " tape guide A push rod component/tape guide B push rod component ", be passed to the two ends, rear end bottom that connect ride plate assembly, impel it to rise according to need or descend.

Connect the roll off the production line wheel of equipment of car drag the plate chain operation ECU (Electrical Control Unit) described in the electric-control system of general assembly line above-mentioned a kind of having, it is characterized in that: the frequency converter that disposes is placed on the inside of electrical control cubicles, and the speed adjusting resistance of additional configurations is placed on the operating table surface of electrical control cubicles, and the person that is not convenient to operation like this is according to the travelling speed that needs to adjust " plate chain ".

Connect the roll off the production line wheel of equipment of car drag equipment and the plate chain integrated control switch described in the electric-control system of general assembly line above-mentioned a kind of having, it is characterized in that: No. 1 optoelectronic switch of joint control is scattered reflection formula optoelectronic switch, and be arranged on the below of the notch end that connects ride plate assembly, and make its light beam up; No. 2 optoelectronic switches of joint control and No. 3 optoelectronic switches of joint control, be the reflector reflective photoelectric switch, and dispose reflector respectively, wherein, two reflector reflective photoelectric switches are installed in the transmitting terminal columns assemblies respectively, two reflectors are installed in reflector respectively with on the columns assemblies, and the light beam that the reflector reflective photoelectric switch sends can return by reflector.

Connect the roll off the production line wheel of equipment of car drag the equipment table top one key reset switch described in the electric-control system of general assembly line above-mentioned a kind of having, it is characterized in that: the table top front end resets and finishes switch and be arranged on the table top front end smallest limit limit switch, the two size h1, span is between 40-100mm; Table top rear end A resets and finishes switch and be arranged on the A smallest limit limit switch of table top rear end, the two size h2, and span is between 40-100mm; Table top rear end B resets and finishes switch and be arranged on the B smallest limit limit switch of table top rear end, the two size h3, and span is between 40-100mm; It is consistent that described h1, h2, h3 value should be.

Connect the roll off the production line wheel of equipment of car drag the electric-control system of general assembly line above-mentioned a kind of having; it is characterized in that being provided with in the PLC control software roll off the production line interlock protection program between equipment and the general assembly line " plate chain " of butt joint car; that is: a light beam that sends when No. 1 optoelectronic switch of the joint control thing (dragging as wheel) that is blocked blocks; and meanwhile; two light beams that No. 2 optoelectronic switches of joint control and No. 3 optoelectronic switches of joint control send also are blocked thing (dragging as wheel) when blocking; block signal input PLC Programmable Logic Controller; after its judgment processing; send instruction; the operation of plate chain is out of service automatically with motor; but; the light beam that sends when No. 1 optoelectronic switch of joint control and No. 2 optoelectronic switches of joint control; two light beams that No. 3 optoelectronic switches of joint control send; block if any one or one or more light beam thing that is not blocked among the three; then after PLC Programmable Logic Controller judgment processing, the plate chain can resume operation automatically.

Connect the car method of work that the wheel of equipment drags the electric-control system of general assembly line that rolls off the production line a kind of having, and step is as follows:

1) connects power supply: connect power supply, but make connect the roll off the production line wheel of equipment of car and drag the electric-control system of general assembly line to be in duty a kind of having;

2) start the plate chain: press the plate chain start button on the electrical control cubicles guidance panel, " startup of plate chain " switching value signal input PLC Programmable Logic Controller, send instruction through the logic judgement, the operation of plate chain starts with braking motor, and according to the frequency conversion rotating speed of having set, cause the plate chain to travel at the uniform speed, if need the operation of stop board chain, can realize by lower plate chain stop button at any time;

3) the plate chain drags at assembly wheel on the plate chain while moving: in plate chain operational process, carrying some the different cultivars wheels that assembling on its carrier bar drags, type varies, adjust the travelling speed of plate chain as need, can can realize by the speed adjusting resistance that adjustment is positioned on the electrical control cubicles operating table surface, thereby satisfy the needs that general assembly line assembling beat is adjusted;

4) the general assembly trailing wheel tows to connecing car and rolls off the production line before the equipment: in the operational process of plate chain, the general assembly trailing wheel of finishing assembling in regular turn drags, walk to successively and connect car and roll off the production line before the equipment, at this moment, be arranged on No. 2 optoelectronic switches of joint control at this place and two light beams that No. 3 optoelectronic switches of joint control send, the general assembly trailing wheel that can be walked to this place drags and blocks, namely blocked the reflection of two light beams, at this moment, two " blocking " switching value signal input PLC Programmable Logic Controllers, whether the plate chain continues operation, its PLC Programmable Logic Controller of wait is made next step judgment processing;

5) judge that connect the car equipment of rolling off the production line connects and whether have wheel on the ride face and drag: connect the car equipment of rolling off the production line and connect and whether have wheel on the ride face and drag, comprise its connect the ride face be in horizontal static position and be in " flat rise " or the dynamic position of " pancake " or " verting " on whether have wheel and drag, and carry out by following two kinds of situations:

If 5-1) connect the car equipment of rolling off the production line connect have on the ride face wheel drag, when showing that connecing the ride face is in level or tilt position, having wheel on it drags, at this moment, being arranged on the light beam that No. 1 optoelectronic switch of joint control of connecing ride plate assembly notch end below sends can be dragged the bottom to block by wheel, " blocking " switching value signal input PLC Programmable Logic Controller is namely arranged, in step 4), because towing to meeting roll off the production line two of having had before the equipment of car, the wheel after the general assembly blocks the switching value signal before earlier in addition, the PLC Programmable Logic Controller sends instruction after making further judgement, operation is then out of service with motor, be that the plate chain is also out of service, wait for next step judgment processing of PLC Programmable Logic Controller, drag until wheel and to roll off the production line, the light beam shelter is removed, and the plate chain can resume operation;

Connect on the ride face not that wheel drags if 5-2) connect the car equipment of rolling off the production line, the PLC Programmable Logic Controller judges that ejecting plate chain condition out of service is false, and then the plate chain can continue operation;

6) judge that connect the car equipment of rolling off the production line connects the ride face and whether need " the flat liter " or " pancake ": this step meets the car other operator of equipment electrical control cubicles of rolling off the production line by being positioned at, and is carried out by range estimation, divides three kinds of situations:

6-1) operator is by range estimation, if connect the car equipment of rolling off the production line connect the ride face do not need " flat rise " or " pancake, it is concordant with the tire outside diameter bottom that the general assembly trailing wheel drags namely to connect the ride face, then can directly enter step 8);

6-2) operator is by range estimation, connect ride face needs " the flat liter " if connect the car equipment of rolling off the production line, namely connect the ride face and be lower than the tire outside diameter bottom that the general assembly trailing wheel drags, then need enter step 7) successively, need operator's starting outfit, raising connects the roll off the production line ride face that connects of equipment of car;

6-3) operator is by range estimation, connect ride face needs " pancake " if connect the car equipment of rolling off the production line, namely connect the ride face and be higher than the tire outside diameter bottom that the general assembly trailing wheel drags, then need enter step 7) successively, need the operator to start to connect the car equipment that rolls off the production line, reduce the roll off the production line ride face that connects of equipment of car that connects;

7) start connect car roll off the production line equipment and will connect ride face " the flat liter " or " pancake " to needing the position: according to step 6-2) and situation about 6-3) estimating, carry out by following two kinds of situations:

7-1) " the flat liter " connects the ride face, namely press the flat button that rises of equipment table top on the electrical control cubicles guidance panel, at this moment, " the flat liter " switching value signal input PLC Programmable Logic Controller, send instruction through the logic judgement, with braking motor, equipment rear end B lifting braking motor, the while linkage work impels to connect the car equipment of rolling off the production line and connect the ride face and rise to desired location with braking motor, the A lifting of equipment rear end in the front equipment end lifting;

7-2) " pancake " connect the ride face, namely press the equipment table top pancake button on the electrical control cubicles guidance panel, at this moment, " pancake " switching value signal input PLC Programmable Logic Controller, send instruction through the logic judgement, front equipment end lifting braking motor, equipment rear end A lifting braking motor, equipment rear end B lifting braking motor, simultaneously reverse linkage work impels equipment to connect the ride face and is down to desired location;

8) the general assembly trailing wheel drags to climb up automatically and connects the car equipment of rolling off the production line and connect the ride face: namely connect the ride face at equipment and do not have wheel and drag and connect the car equipment of rolling off the production line and connect the ride face and need not " the flat liter " or " pancake " satisfying, or when being positioned at desired location after the lifting, as, range estimation connects the car equipment of rolling off the production line and connects under the concordant substantially situation in tire outside diameter bottom that ride face and general assembly trailing wheel drag, the general assembly trailing wheel that is positioned on the plate chain carrier bar drags, can verting when the plate chain travels at the uniform speed stir under the power effect, automatically slowly climb up the roll off the production line ride face that connects of equipment of car that connects;

9) start and to connect roll off the production line equipment and making of car and connect the ride face and vert and force wheel to drag along rolling off the production line on the slope: the general assembly trailing wheel drag climb up connect the car equipment of rolling off the production line and connect the ride face after, the operator can press and connect car and roll off the production line and hold the decline button or press table of equipment surface rear end rising button in face of the table of equipment, " front end decline " switching value signal or " rising on the rear end " switching value signal input to the PLC Programmable Logic Controller, send instruction through judgement, the front equipment end lifting starts the ride face that connects that makes front equipment end with braking motor and descends, or the A lifting of equipment rear end starts simultaneously to make with braking motor with braking motor and the B lifting of equipment rear end and connects the roll off the production line ride face that connects of equipment rear end of car and rise, thereby make that connect the roll off the production line ride that connects of equipment of car faces the direction that rolls off the production line and " vert ", can impel the wheel on it to drag and can easily roll according to the gravity of self downwards, downslide is rolled off the production line;

10) start and to connect roll off the production line equipment and make and connect the ride face and oppositely vert to horizontal original position of car: treat the general assembly trailing wheel drag roll off the production line after, the operator holds the rising button or presses table of equipment surface rear end decline button in face of can pressing table of equipment, in like manner, " front end rising " switching value signal or " rear end decline " switching value signal input to the PLC Programmable Logic Controller, send instruction through judgement, the front equipment end lifting oppositely starts to cause with braking motor and connects the roll off the production line ride face that connects of front equipment end of car and rise, or the A lifting of equipment rear end oppositely starts simultaneously to cause with braking motor with braking motor and the B lifting of equipment rear end and connects the roll off the production line ride face that connects of equipment rear end of car and descend, thereby make previous step 9) the ride face that connects just having implemented to vert, oppositely vert, till recovering the previous level position, for the car that connects that enters that next round general assembly trailing wheel drags rolls off the production line and gets ready, namely be back to after the step 4) repeating step 5) afterwards the course of work.

Because adopt above-described technical scheme, the present invention can reach following beneficial effect:

1, connects the roll off the production line wheel of equipment of car and drag the electric-control system of general assembly line of the present invention having, organically will connect the car automatically controlled part of equipment that rolls off the production line and drag the automatically controlled part of general assembly line " plate chain " with wheel, form an integral body, novel, be methodically arranged, rationally distributed, reliable in function;

2, connect the roll off the production line wheel of equipment of car and drag the electric-control system of general assembly line of the present invention having, not only can connect the car equipment of rolling off the production line to it and connect ride face enforcement " the flat liter " or " pancake " and auxilliary controlling in " verting ", that satisfies that many kinds wheels drag after the general assembly appears on the stage with line and the coasting needs that roll off the production line automatically, and can regulate and control " plate chain " travelling speed according to need, satisfy the adjustment of assembling beat;

3, connect the roll off the production line wheel of equipment of car and drag the electric-control system of general assembly line of the present invention having, roll off the production line and also be provided with the measure of photoelectricity joint control between equipment and " the plate chain " connecing car, can solve reliably the general assembly trailing wheel that is positioned on " plate chain " drag with climb up connect the car equipment of rolling off the production line connect wheel on the ride face drag bump against or with the problem that ride plate afterbody bumps against that connects of verting;

4, connect car electric-control system and the method for work that the wheel of equipment drags general assembly line that roll off the production line of the present invention having, simple possible, performance safety, reliable, and automaticity is high and easy to maintenance, can solve the different type of machines kind effectively and take turns existing technical bottleneck problem when dragging the conllinear assembling, and can enhance productivity greatly, have good use value.

Description of drawings

Fig. 1 connects the roll off the production line wheel of equipment of car and drags the electric-control system theory diagram of general assembly line for the present invention has;

Fig. 2 connects the roll off the production line wheel of equipment of car and drags the electric-control system electrical schematic diagram of general assembly line for the present invention has;

Fig. 3 connects the roll off the production line wheel of equipment of car having of electric-control system and drags the general assembly line synoptic diagram for the present invention is furnished with;

Fig. 4 is the A-A view of Fig. 3;

Fig. 5 is the B-B view of Fig. 4;

Fig. 6 is the C-C view of Fig. 4;

Fig. 7 connects the roll off the production line wheel of equipment of car and drags general assembly line electric-control system workflow diagram for the present invention has;

Fig. 8 connects the roll off the production line wheel of equipment of car and drags one of electric-control system work synoptic diagram of general assembly line for the present invention has;

Fig. 9 is the D-D view of Fig. 8;

Figure 10 connect for the present invention has car roll off the production line the wheel of equipment drag general assembly line electric-control system work synoptic diagram two;

Figure 11 connect for the present invention has car roll off the production line the wheel of equipment drag general assembly line electric-control system work synoptic diagram three.

Among the figure: 1, PLC Programmable Logic Controller; 2, state indication ECU (Electrical Control Unit); 3, equipment lifting ECU (Electrical Control Unit); 4, plate chain operation ECU (Electrical Control Unit); 5, equipment and plate chain integrated control switch; 6, plate chain operation motor overload isolating switch; 7, equipment lifting motor overload circuit breaker; 8, equipment table top one key reset switch; 9, equipment table top lifting limit limit switch; 10, plate chain mode of operation change-over switch; 11, equipment mode of operation change-over switch; 12, system's emergency stop switch; 13, connect ride plate assembly; 14, plate chain; 14a, preceding fixed support; 14b, back fixed support; 14c, drive unit; 15, reflector columns assemblies; 16, electrical control cubicles; 17, transmitting terminal columns assemblies; 18, two fulcrum lift assemblies; 18a, Screw of Worm Gear lifter; 18b, commutator assembly; 18c, tape guide push rod component; 19, single fulcrum A lift assembly; 19a, Screw of Worm Gear A lifter; 19b, tape guide A push rod component; 20, single fulcrum B lift assembly; 20a, Screw of Worm Gear B lifter; 20b, tape guide B push rod component; 21, the A wheel drags after the general assembly; 22, the B wheel drags after the general assembly; 19/20, single fulcrum A lift assembly/single fulcrum B lift assembly; 19a/20a, Screw of Worm Gear A lifter/Screw of Worm Gear B lifter; 19b/20b, tape guide A push rod component/tape guide B push rod component.

Among the figure: ST, system's scram button; Hold the rising button in face of SB1, the table of equipment; Hold the decline button in face of SB2, the table of equipment; SB3, table of equipment surface rear end rising button; SB4, table of equipment surface rear end decline button; SB5, the flat button that rises of equipment table top; SB6, equipment table top pancake button; SB7, equipment table top one key reset button; SB8, plate chain start button; SB9, plate chain stop button.

Among the figure: XK1, table top front end limes superiors limit switch; XK2, table top front end smallest limit limit switch; XK3, table top rear end A limes superiors limit switch; XK4, table top rear end A smallest limit limit switch; XK5, table top rear end B limes superiors limit switch; XK6, table top rear end B smallest limit limit switch; XK7, table top front end reset and finish switch; XK8, table top rear end A reset and finish switch; XK9, table top rear end B reset and finish switch; XK10, No. 1 optoelectronic switch of joint control; XK11, No. 2 optoelectronic switches of joint control; XK12. No. 3 optoelectronic switches of joint control.

Among the figure: HL1, system's run indicator (green); HL2, system debug pilot lamp (Huang); HL3, system failure pilot lamp (red); QF1, isolating switch; QF2, isolating switch; QF3, isolating switch; KM1, contactor; KM2, contactor; KM3, contactor; KM4, contactor; J1, relay; J2, relay; J3, relay; J4, relay; R, speed adjusting resistance; VVVF, frequency converter; M, plate chain operation motor; M1, front equipment end lifting braking motor; M2, equipment rear end A lifting braking motor; M3, equipment rear end B lifting braking motor; M2/M3, the A lifting of equipment rear end are with braking motor/equipment rear end B lifting braking motor.

Among the figure: L, tractor general assembly direction of travel; ω, plate chain rotation direction; α, light beam; β, light beam; θ, the direction of verting; η, ground level; H1, table top front end reset and finish size between switch XK7 and the table top front end smallest limit limit switch XK2; H2, table top rear end A reset and finish size between switch XK8 and the table top rear end A smallest limit limit switch XK4; H3, table top rear end B reset and finish size between switch XK9 and the table top rear end B smallest limit limit switch XK6; H, connect the drop size of ride face and general assembly trailing wheel tugboat tire external diameter bottom.

The numbering explanation: in Fig. 4, Fig. 8, Fig. 9 and Figure 10, mark has " 19/20 ", " 19a/20a ", " 19b/20b " " M2/M3 " to reach " XK11/ XK12 " numbering, is described as follows:

1) " 19/20 " numbering.Expression is respectively arranged with a single fulcrum A lift assembly and a single fulcrum B lift assembly, and wherein, the former is preceding, the latter after, because view overlaps, so indicate;

2) " 19a/20a " numbering.Expression is respectively arranged with a Screw of Worm Gear A lifter and Screw of Worm Gear B lifter, and wherein, the former is preceding, the latter after, because view overlaps, so indicate;

3) " 19b/20b " numbering.Expression is respectively arranged with a tape guide A push rod component and tape guide B push rod component, and wherein, the former is preceding, the latter after, because view overlaps, so indicate;

4) " M2/M3 " numbering.Expression is respectively arranged with an equipment rear end A lifting with braking motor and equipment rear end B lifting braking motor, and wherein, the former is preceding, the latter after, because view overlaps, so sign;

5) " XK11/ XK12 " numbering.Expression is respectively arranged with No. 2 optoelectronic switch XK11 of a joint control and No. 3 optoelectronic switch XK12 of joint control, and wherein, the former is preceding, the latter after, because view overlaps, so indicate.

Other explanation: connect ride plate assembly 13, be existing public technology structure, concrete structure sees that application number is 201010561272.0 patents; Two fulcrum lift assemblies 18, single fulcrum A lift assembly 19, single fulcrum B lift assembly 20 are existing public technology structure, and concrete structure sees that application number is 201010561183.6 patents; Screw of Worm Gear lifter 18a, Screw of Worm Gear A lifter 19a, Screw of Worm Gear B lifter 20a are to select Beijing Li Mu Imtech product for use, and model is SJA80-S-V1-230-NF.

Embodiment

Can explain the present invention in more detail by the following examples, the present invention is not limited to the following examples, discloses purpose of the present invention and is intended to protect all changes and improvements in the scope of the invention.

Known by Fig. 1, connect the roll off the production line wheel of equipment of car drag the electric-control system of general assembly line a kind of having, and comprising: PLC Programmable Logic Controller 1, state indication ECU (Electrical Control Unit) 2, equipment lifting ECU (Electrical Control Unit) 3, plate chain operation ECU (Electrical Control Unit) 4, equipment move motor overload isolating switch 6, equipment lifting motor overload circuit breaker 7, equipment table top one key reset switch 8, equipment table top lifting limit limit switch 9, plate chain mode of operation change-over switch 10, equipment mode of operation change-over switch 11, system's emergency stop switch 12 with plate chain integrated control switch 5, plate chain; Known that by Fig. 6 PLC Programmable Logic Controller 1 is arranged on electrical control cubicles 16 inside, model C P1H-X40DR-A type in addition; be Omron Corp's product; and be master controller, can dock car roll off the production line equipment, general assembly line " plate chain " and the interlock protection between the two respectively, implement automatically controlled.

Known by Fig. 2, state indication ECU (Electrical Control Unit) 2 described in Fig. 1, comprise: system's run indicator (green) HL1, system debug pilot lamp (Huang) HL2, system failure pilot lamp (red) HL3 and the automatically controlled circuit that disposes, known by Fig. 6 in addition, usedly in the state indication ECU (Electrical Control Unit) 2 be designated as " three a looks " pilot lamp, the place is showed off in the upper end that is arranged on electrical control cubicles 16, to make things convenient for the transmission of system's operation, debugging and fault-signal; Equipment lifting ECU (Electrical Control Unit) 3 described in Fig. 1, comprise: the front equipment end lifting is with braking motor M1, contactor KM1, contactor KM2, relay J 1, relay J 2 and the automatically controlled circuit that disposes, in addition, also comprise the A lifting of equipment rear end with braking motor M2, the B lifting of equipment rear end with braking motor M3, contactor KM3, contactor KM4, relay J 3, relay J 4 and the automatically controlled circuit that disposes; In addition, for opertaing device effectively connects the lifting travel of ride face, reduce inertia displacement, above-mentioned three motors all adopt the bridge motor of charged magnetic detents, be the new company's product energetically in Wuxi, the auxiliary contact of its used A.C. contactor correspondence respectively insert in the restraining coil of corresponding motor, the instantaneous braking of control motor, thus eliminate rotator inertia; Plate chain described in Fig. 1 operation ECU (Electrical Control Unit) 4 comprises: the operation of plate chain is with motor M, frequency converter VVVF, speed adjusting resistance R and the automatically controlled circuit that disposes, and wherein, frequency converter VVVF model is ARN5.5G9S-4JE, is Japanese fuji company product.

Known that by Fig. 2 the equipment described in Fig. 1 and plate chain integrated control switch 5 comprise: No. 1 optoelectronic switch XK10 of joint control, No. 2 optoelectronic switch XK11 of joint control, No. 3 optoelectronic switch XK12 of joint control and the automatically controlled circuit that disposes; Plate chain operation motor overload isolating switch 6 described in Fig. 1, the automatically controlled circuit that is circuit breaker Q F3 and disposes, when be in operation overload or when card occurring and spraining overload fault of plate chain, QF3 sends signal to PLC Programmable Logic Controller 1, can make the operation of plate chain shut down with motor M, play the effect of protection; Equipment lifting motor overload circuit breaker 7 described in Fig. 1, comprise: table top front end lifting motor overload switch is that circuit breaker Q F1, table top rear end lifting motor overload switch are circuit breaker Q F2 and the automatically controlled circuit that disposes, the same equally, can play the effect of overload protection; Equipment table top one key reset switch 8 described in Fig. 1 comprises: the table top front end resets and finishes switch XK7, table top rear end A and reset and finish the automatically controlled circuit that switch XK8, table top rear end B reset and finish switch XK9 and dispose; Equipment table top lifting limit limit switch 9 described in Fig. 1 comprises: table top front end limes superiors limit switch XK1, table top front end smallest limit limit switch XK2, the spacing XK3 of table top rear end A limes superiors, table top rear end A smallest limit limit switch XK4, table top rear end B limes superiors limit switch XK5, table top rear end B smallest limit limit switch XK6 and the automatically controlled circuit that disposes.

Known that by Fig. 2 the plate chain mode of operation change-over switch 10 described in Fig. 1 comprises: plate chain start button SB8, plate chain stop button SB9 and the automatically controlled circuit that disposes; Equipment mode of operation change-over switch 11 described in Fig. 1 comprises: hold decline button SB2, table of equipment surface rear end rising button SB3, table of equipment surface rear end decline button SB4, the flat automatically controlled circuit that rises button SB5, equipment table top pancake button SB6, equipment table top one key reset button SB7 and dispose of equipment table top in face of holding rising button SB1, table of equipment in face of the table of equipment; System's emergency stop switch 12 described in Fig. 1, the automatically controlled circuit that is the scram button ST of system and disposes; Known that by Fig. 3 related button in above-mentioned plate chain mode of operation change-over switch 10, equipment mode of operation change-over switch 11, the system's emergency stop switch 12 all is arranged on the operating table surface of electrical control cubicles 16 in addition.

Know by Fig. 3, Fig. 4, Fig. 5, Fig. 6 and in conjunction with Fig. 2, equipment lifting ECU (Electrical Control Unit) 3 described in Fig. 1, it is characterized in that: equipment connects " the flat liter ", " pancake " and " verting " function of ride face, be to be achieved by three liftings " just changeing " or " counter-rotating " with braking motor, described three lifting braking motors are front equipment end lifting braking motor M1, equipment rear end A lifting braking motor M2, equipment rear end B lifting braking motor M3; Wherein, front equipment end lifting braking motor M1, connect firmly on two fulcrum lift assemblies 18, responsible equipment connects the rise and fall of holding in face of the ride, be front equipment end lifting braking motor M1, the power that " just changeing " or " counter-rotating " exported can pass through commutator assembly 18b, two Screw of Worm Gear lifter 18a, two tape guide push rod component 18c, be passed to the front bottom end that connects ride plate assembly 13, impel it to rise according to need or descend; The A lifting of equipment rear end braking motor M2 and equipment rear end B lifting braking motor M3, connect firmly respectively on single fulcrum A lift assembly 19 and single fulcrum B lift assembly 20, the two is responsible for the rise and fall that equipment connects the ride surface rear end jointly, be equipment rear end A lifting braking motor M2 and equipment rear end B lifting braking motor M3, the two takes interlock control, the power that the two motor " just changes " or " counter-rotating " exports, respectively by " Screw of Worm Gear A lifter 19a/ Screw of Worm Gear B lifter 20a ", " tape guide A push rod component 19b/ tape guide B push rod component 20b ", be passed to the two ends, rear end bottom that connect ride plate assembly 13, impel it to rise according to need or descend.

Know by Fig. 3, Fig. 4, Fig. 5, Fig. 6 and in conjunction with Fig. 2, plate chain operation ECU (Electrical Control Unit) 4 described in Fig. 1, it is characterized in that: the frequency converter VVVF that disposes is placed on the inside of electrical control cubicles 16, speed adjusting resistance R is placed on the operating table surface of electrical control cubicles 16, the purpose of She Zhiing like this, be that the operator drags type kind, complexity, body size difference and assembly work amount according to wheel for convenience, adjust the travelling speed of " plate chain " at any time, satisfy the adjustment needs of assembling beat.

Know by Fig. 3, Fig. 4, Fig. 5, Fig. 6 and in conjunction with Fig. 2, equipment described in Fig. 1 and plate chain integrated control switch 5, it is characterized in that: No. 1 optoelectronic switch XK10 of joint control is scattered reflection formula optoelectronic switch, and be arranged on the below of the notch end that connects ride plate assembly 13, and make its light beam β up, η is vertical with ground level; Described scattered reflection formula optoelectronic switch XK10, in an illuminator and a light receiving device are housed, but the place ahead does not arrange reflector, the light that illuminator sends under the normal condition, light receiving device can not receive, have only when shelter by the time blocked light, and light is partly reflected, light receiving device just can be received light signal, and exports a switch controlling signal; No. 2 optoelectronic switch XK11 of joint control and No. 3 optoelectronic switch XK12 of joint control, be the reflector reflective photoelectric switch, and dispose reflector respectively, wherein, two reflector reflective photoelectric switches are installed in transmitting terminal columns assemblies 17 respectively, two reflectors are installed in reflector respectively with on the columns assemblies 15, and the light beam α that the reflector reflective photoelectric switch sends can return by reflector; No. 2 optoelectronic switch XK11 of described joint control and No. 3 optoelectronic switch XK12 of joint control, an illuminator and a light receiving device are housed separately, but the place ahead need arrange reflector, and utilize principle of reflection to finish the photoelectric control effect, under the normal condition, the light that illuminator sends is reflected by light receiving device by reflector and receives, thing blocks in case light path is blocked, light receiving device can not receive the light time, and a switch controlling signal is exported in the optoelectronic switch action.

Know by Fig. 3, Fig. 4, Fig. 5, Fig. 6 and in conjunction with Fig. 2, equipment table top one key reset switch 8 described in Fig. 1, it is characterized in that: the table top front end resets and finishes switch XK7 and be arranged on the table top front end smallest limit limit switch XK2, the two size h1, and span is between 40-100mm; Table top rear end A resets and finishes switch XK8 and be arranged on the A smallest limit limit switch XK4 of table top rear end, the two size h2, and span is between 40-100mm; Table top rear end B resets and finishes switch XK9 and be arranged on the B smallest limit limit switch XK6 of table top rear end, the two size h3, and span is between 40-100mm; After the value, its value should be consistent each other in span separately for described h1, h2, h3, and namely the value of h1, h2, h3 should equate consistent; Here, the purposes that one key reset switch 8 is set is: can will be in the ride face that connects of " non-level " position, return to horizontal level fast, solve because the operator controls " the flat liter " for a long time, " pancake " or " verting ", cause equipment to connect four tape guide push rod component summits of ride face lower end, i.e. two tape guide push rod component 18c, a tape guide A push rod component 19b, a tape guide B push rod component 20b is in " non-level " position in totally four summits, claim non-isometry position again, thereby cause and connect ride plate assembly 13 and be placed on it and ride face shakiness occurs connecing, namely there is an one place, summit unsettled, thereby influences the use of equipment; When this situation occurring, the operator can press the equipment table top one key reset button SB7 on electrical control cubicles 16 guidance panels, " resetting " switching value signal input PLC Programmable Logic Controller 1, send instruction through judgement, front equipment end lifting braking motor M1, equipment rear end A lifting braking motor M2, equipment rear end B lifting braking motor M3, three kinds start and make two tape guide push rod component 18c simultaneously, a tape guide A push rod component 19b, a tape guide B push rod component 20b operation downwards respectively simultaneously, when meeting respectively and the table top front end resets and finishes switch XK7, table top rear end A resets and finishes switch XK8, after table top rear end B resets and finishes switch XK9, stop motor operation separately respectively, since the resetting of three finish switch between the smallest limit limit switch apart from size h1, h2, h3 is unanimity, and be the horizontal low level that set in advance, so can make its horizontal level of the fast quick-recovery of the ride face that connects of equipment.

By Fig. 3; Fig. 4; Fig. 5; Fig. 6 also knows in conjunction with Fig. 2; connect the roll off the production line wheel of equipment of car drag the electric-control system of general assembly line a kind of having; it is characterized in that: be provided with roll off the production line interlock protection program between equipment and the general assembly line " plate chain " of butt joint car in the PLC control software; that is: a light beam β who sends as No. 1 optoelectronic switch XK10 of the joint control thing (dragging as wheel) that is blocked blocks; and meanwhile; two light beam α that No. 2 optoelectronic switch XK11 of joint control and No. 3 optoelectronic switch XK12 of joint control send also are blocked thing (dragging as wheel) when blocking; block signal input PLC Programmable Logic Controller 1; after its judgment processing; send instruction; the operation of plate chain is out of service automatically with motor M; but; the light beam that sends as No. 1 optoelectronic switch XK10 of joint control and No. 2 optoelectronic switch XK11 of joint control; two light beams that No. 3 optoelectronic switch XK12 of joint control send; block if any one or one or more light beam thing that is not blocked among the three; then after PLC Programmable Logic Controller 1 judgment processing, the plate chain can resume operation automatically.

Know that by Fig. 7 and in conjunction with Fig. 3, Fig. 4, Fig. 5, Fig. 6 connect the car method of work that the wheel of equipment drags the electric-control system of general assembly line that rolls off the production line a kind of having, step is as follows:

2) start plate chain 14: press the plate chain start button SB8 on electrical control cubicles 16 guidance panels, " startup of plate chain " switching value signal input PLC Programmable Logic Controller 1, send instruction through judgement, the operation of plate chain starts with braking motor M, and according to the frequency conversion rotating speed of having set, cause plate chain 14 to travel at the uniform speed along the ω direction, if need the operation of stop board chain 14, can realize by lower plate chain stop button SB9 at any time;

3) plate chain 14 drags at assembly wheel on the plate chain while moving: in plate chain 14 operational processs, carrying some the different cultivars wheels that assembling on its carrier bar drags, type varies, adjust the travelling speed of plate chain 14 as need, can can realize by the speed adjusting resistance R that adjustment is positioned on electrical control cubicles 16 operating table surface, thereby satisfy the needs that general assembly line assembling beat is adjusted;

4) the general assembly trailing wheel tows to connecing car and rolls off the production line before the equipment: in the operational process of plate chain 14, the general assembly trailing wheel of finishing assembling in regular turn drags, walk to successively and connect car and roll off the production line before the equipment, at this moment, be arranged on No. 2 optoelectronic switch XK11 of joint control at this place and two light beam α that No. 3 optoelectronic switch XK12 of joint control send, the general assembly trailing wheel that can be walked to this place drags and blocks, namely blocked the reflection of two light beam α, at this moment, two " blocking " switching value signal input PLC Programmable Logic Controllers 1, whether plate chain 14 continues operation, its PLC Programmable Logic Controller 1 of wait is made next step judgment processing;

5) judge that connect the car equipment of rolling off the production line connects and whether have wheel on the ride face and drag: whether equipment connects has wheel and drags on the ride face, comprise its connect the ride face be in horizontal static position and be in " flat rise " or the dynamic position of " pancake " or " verting " on whether have wheel and drag, and carry out by following two kinds of situations:

If 5-1) connect the car equipment of rolling off the production line connect have on the ride face wheel drag, when showing that connecing the ride face is in level or tilt position, having wheel on it drags, at this moment, being arranged on the light beam β that No. 1 optoelectronic switch XK10 of joint control of connecing ride plate assembly 13 notch end belows sends can be dragged the bottom to block by wheel, " blocking " switching value signal input PLC Programmable Logic Controller 1 is namely arranged, in step 4), tow two " blocking " switching value signals that had to the equipment because of the general assembly trailing wheel before earlier in addition, after making further judgement, 1 of PLC Programmable Logic Controller sends instruction, operation is then out of service with motor M, be that plate chain 14 is also out of service, wait for next step judgment processing of PLC Programmable Logic Controller 1, drag until wheel and to roll off the production line, light beam β shelter is removed, and plate chain 14 can resume operation;

Connect on the ride face not that wheel drags if 5-2) connect the car equipment of rolling off the production line, PLC Programmable Logic Controller 1 judges that ejecting plate chain 14 conditions out of service are false, and namely a light beam β is not blocked, and then plate chain 14 can continue operation;

6) judge that connect the car equipment of rolling off the production line connects the ride face and whether need " the flat liter " or " pancake ": this step meets the car other operator of equipment electrical control cubicles 16 of rolling off the production line by being positioned at, and is carried out by range estimation, divides three kinds of situations:

6-3) operator needs " pancake " by range estimation if equipment connects the ride face, namely connects the ride face and is higher than the tire outside diameter bottom that the general assembly trailing wheel drags, and then need enter step 7) successively, needs operator's starting outfit, reduces the roll off the production line ride face that connects of equipment of car that connects;

7-1) " the flat liter " connects the ride face, namely press the flat button SB5 that rises of equipment table top on electrical control cubicles 16 guidance panels, at this moment, " the flat liter " switching value signal input PLC Programmable Logic Controller 1, send instruction through judgement, front equipment end lifting braking motor M1, equipment rear end A lifting braking motor M2, equipment rear end B lifting braking motor M3, linkage work impels equipment to connect the ride face and rises to desired location simultaneously;

7-2) " pancake " connect the ride face, namely press the equipment table top pancake button SB6 on electrical control cubicles 16 guidance panels, at this moment, " pancake " switching value signal input PLC Programmable Logic Controller, send instruction through judgement, front equipment end lifting braking motor M1, equipment rear end A lifting braking motor M2, equipment rear end B lifting braking motor M3, simultaneously reverse linkage work impels equipment to connect the ride face and is down to desired location;

8) the general assembly trailing wheel drags to climb up automatically and connects the car equipment of rolling off the production line and connect the ride face: namely connect the ride face and do not have wheel and drag and connect the car equipment of rolling off the production line and connect the ride face and need not " the flat liter " or " pancake " satisfying connecing the car equipment of rolling off the production line, or when being positioned at desired location after the lifting, as, range estimation connects the car equipment of rolling off the production line and connects under the concordant situation in tire outside diameter bottom that ride face and general assembly trailing wheel drag, the general assembly trailing wheel that is positioned on plate chain 14 carrier bars drags, can verting when plate chain 14 travels at the uniform speed along the ω direction stir under the power effect, automatically slowly climb up the roll off the production line ride face that connects of equipment of car that connects;

9) start and to connect roll off the production line equipment and making of car and connect the ride face and vert and force wheel to drag along rolling off the production line on the slope: the general assembly trailing wheel drag climb up connect the car equipment of rolling off the production line and connect the ride face after, the operator holds decline button SB2 or presses table of equipment surface rear end rising button SB3 in face of can pressing table of equipment, " front end decline " switching value signal or " rising on the rear end " switching value signal input to PLC Programmable Logic Controller 1, send instruction through judgement, the front equipment end lifting starts to make with braking motor M1 and connects the roll off the production line ride face that connects of front equipment end of car and descend, or the A lifting of equipment rear end starts simultaneously to make with braking motor M3 with braking motor M2 and the B lifting of equipment rear end and connects the roll off the production line ride face that connects of equipment rear end of car and rise, thereby make that connect the roll off the production line ride that connects of equipment of car faces the direction that rolls off the production line and " vert ", can impel the wheel on it to drag and can easily roll according to the gravity of self downwards, downslide is rolled off the production line;

10) start and to connect roll off the production line equipment and make and connect the ride face and oppositely vert to horizontal original position of car: treat the general assembly trailing wheel drag roll off the production line after, the operator holds rising button SB1 or presses table of equipment surface rear end decline button SB3 in face of can pressing table of equipment, in like manner, " front end rising " switching value signal or " rear end decline " switching value signal input to PLC Programmable Logic Controller 1, send instruction through judgement, the front equipment end lifting oppositely starts to cause with braking motor M1 and connects the roll off the production line ride face that connects of front equipment end of car and rise, or the A lifting of equipment rear end oppositely starts simultaneously to cause with braking motor M3 with braking motor M2 and the B lifting of equipment rear end and connects the roll off the production line ride face that connects of equipment rear end of car and descend, thereby make previous step 9) the ride face that connects just having implemented to vert, oppositely vert, till recovering original horizontal level, for the car that connects that enters that next round general assembly trailing wheel drags rolls off the production line and gets ready, namely be back to after the step 4) repeating step 5) afterwards the course of work.

Give further instruction with an embodiment to content of the present invention and beneficial effect below.

Know by Fig. 8, Fig. 9 and in conjunction with Fig. 7, the A wheel drags 21 to finish general assembly after the general assembly on the described plate chain 14 of this embodiment, support and walked to by preceding fixed support 14a, back fixed support 14b and connect car and roll off the production line before the equipment, namely entered the workflow step 4 in the aforementioned method of work) among; At this moment, be arranged on two transmitting terminals columns assemblies 17 of these plate chain 14 both sides, place, two light beam α that reflector sends with No. 2 optoelectronic switch XK11 of the joint control on the columns assemblies 15 and No. 3 optoelectronic switch XK12 of joint control, dragged 21 to block by A wheel after the general assembly, namely two light beam α are blocked, but, because being positioned at the light beam β that No. 1 optoelectronic switch XK10 of joint control of connecing ride plate assembly 13 notch end belows sends is not blocked, so, the plate chain 14 still plate chain in drive unit 14c moves with under the motor M driving, continue to move ahead, and make its workflow by step 5), enter step 6); In step 6), the operator learns the drop size H that connects ride face and general assembly trailing wheel tugboat tire external diameter bottom by range estimation, so need enter step 7) successively, namely needs operator's starting outfit, the ride face that connects of lift apparatus;

Know by Fig. 8, Fig. 9 and in conjunction with Fig. 3, Fig. 7, in step 7), the operator presses the flat button SB5 that rises of equipment table top on electrical control cubicles 16 guidance panels, at this moment, " the flat liter " switching value signal input PLC Programmable Logic Controller, send instruction through judgement, the front equipment end lifting, starts with braking motor M2, equipment rear end B lifting braking motor M3 simultaneously with braking motor M1, the A lifting of equipment rear end; Wherein, the front equipment end lifting starts with braking motor M1, by being positioned at the commutator assembly 18b on two fulcrum lift assemblies 18, two Screw of Worm Gear lifter 18a, two tape guide push rod component 18c, the front end jack-up of ride plate assembly 13 will be connect, meanwhile, equipment rear end A lifting braking motor M2, equipment rear end B lifting braking motor M3, the while linkage work, respectively by being positioned at single fulcrum A lift assembly 19, Screw of Worm Gear A lifter 19a on single fulcrum B lift assembly 20, tape guide A push rod component 19b and Screw of Worm Gear B lifter 20a, tape guide B push rod component 20b, the rear end jack-up of ride plate assembly 13 will be connect, thereby make it connect ride face " the flat liter " to desired location, namely reduce aforementioned drop size H, make that to connect the ride face concordant with the tire outside diameter bottom that the general assembly trailing wheel drags, thereby the A wheel drags 21 the needs of appearing on the stage with line automatically after can satisfying general assembly, be that workflow enters step 8), and the preceding fixed support 14a when plate chain 14 travels at the uniform speed along the ω direction and verting of back fixed support 14b stir under the power effect, and the A wheel drags the 21 ride faces that connect of slowly climbing up equipment automatically after the general assembly;

By Figure 10 and in conjunction with Fig. 3, Fig. 7 knows, A wheel drags 21 to climb up automatically and connect the car equipment of rolling off the production line and connect the ride face after the general assembly, though, this hour wheel drags the bottom to block the light beam β that No. 1 optoelectronic switch XK10 of joint control sends, but because A wheel drags 21 appear on the stage with line and leave after the general assembly, be arranged on No. 2 optoelectronic switch XK11 of joint control of plate chain 14 both sides and two light beam α that No. 3 optoelectronic switch XK12 of joint control send, there is one also not to be blocked, so, plate chain 14 is under the operation of plate chain drives with motor M, continuation moves along plate chain rotation direction ω, B wheel drags 22 also will walk to and connect car and roll off the production line before the equipment after the general assembly on it, at this moment, front equipment end lifting braking motor M1, equipment rear end A lifting braking motor M2, B lifting braking motor M3 in equipment rear end all is in the stationary state of inoperative;

By Figure 11 and in conjunction with Fig. 3, Fig. 7 knows, after the general assembly A wheel drag 21 climbing up " equipment is " after connecing the ride face, the operator can press table of equipment surface rear end rising button SB3 at electrical control cubicles 16 guidance panels, " rising on the rear end " switching value signal inputs to PLC Programmable Logic Controller 1, send instruction through judgement, front equipment end lifting braking motor M1 transfixion, be commutator assembly 18b, two Screw of Worm Gear lifter 18a, two tape guide push rod component 18c maintain original stationary state, yet, equipment rear end A lifting this moment braking motor M2 and equipment rear end B lifting braking motor M3, at once interlock simultaneously, and respectively by being positioned at single fulcrum A lift assembly 19, Screw of Worm Gear A lifter 19a on single fulcrum B lift assembly 20, tape guide A push rod component 19b and Screw of Worm Gear B lifter 20a, tape guide B push rod component 20b, the rear end jack-up of ride plate assembly 13 will be connect, and make that the front end that connects ride plate assembly 13 is fulcrum with two tape guide push rod component 18c tops, making it connect ride faces the direction θ that verts and verts, thereby make that the A wheel drags 21 can easily roll according to the gravity of self after the general assembly be located thereon downwards, downslide is rolled off the production line; Subsequently, workflow enters step 10);

By preceding described, step 10) mainly is to make to connect the roll off the production line ride face that connects of equipment of car and oppositely vert to horizontal original position, be in face of pressing table of equipment on operator's electrical control cubicles 16 guidance panels, to hold rising button SB1 or table of equipment surface rear end decline button SB3 to be achieved, the car that connects that can be that next round general assembly trailing wheel drags rolls off the production line and gets ready, namely be back to after the step 4) repeating step 5) afterwards the course of work.

About this point, in Figure 11 as can be seen: when A wheel drags 21 to roll off the production line after general assembly, B wheel drags 22 to walk to and connect car and roll off the production line before the equipment after the general assembly, and be arranged on No. 2 optoelectronic switch XK11 of joint control at this place and two light beam α that No. 3 optoelectronic switch XK12 of joint control send, dragged 22 to block by B wheel after the general assembly, if this moment connect the car equipment of rolling off the production line connect have on the ride face wheel drag, no matter connecing ride plate assembly 13, it is in " the flat liter ", " pancake " or " verting " state, its plate chain 14 can be out of service automatically, thereby can solve effectively the general assembly trailing wheel that is positioned on " plate chain " drag with the equipment of climbing up connect wheel on the ride face drag bump against or with the problem that ride plate afterbody bumps against that connects of verting, otherwise, connect on the ride face not that wheel drags if connect the car equipment of rolling off the production line this moment, then plate chain 14 still can continue operation.

Claims

1. one kind has and connects the roll off the production line wheel of equipment of car and drag the electric-control system of general assembly line, comprising: PLC Programmable Logic Controller (1), state indication ECU (Electrical Control Unit) (2), equipment lifting ECU (Electrical Control Unit) (3), plate chain operation ECU (Electrical Control Unit) (4), equipment and plate chain integrated control switch (5), plate chain operation motor overload isolating switch (6), equipment lifting motor overload circuit breaker (7), equipment table top one key reset switch (8), equipment table top lifting limit limit switch (9), plate chain mode of operation change-over switch (10), equipment mode of operation change-over switch (11), system's emergency stop switch (12);

Wherein, the set PLC Programmable Logic Controller of stating (1) is master controller, can dock car roll off the production line equipment, general assembly line " plate chain " and the interlock protection between the two respectively, implements automatically controlled; Described state indication ECU (Electrical Control Unit) (2) comprising: the run indicator HL1 of system, system debug pilot lamp HL2, system failure pilot lamp HL3 and the automatically controlled circuit that disposes; Described equipment lifting ECU (Electrical Control Unit) (3), comprise: the front equipment end lifting is with braking motor M1, two contactor KM1, KM2, two relay J 1, J2 and the automatically controlled circuit that disposes, in addition, also comprise the A lifting of equipment rear end with braking motor M2, the B lifting of equipment rear end with braking motor M3, two contactor KM3, KM4, two relay J 3, J4 and the automatically controlled circuit that disposes; Described plate chain operation ECU (Electrical Control Unit) (4) comprising: the operation of plate chain is with motor M, frequency converter VVVF, speed adjusting resistance R and the automatically controlled circuit that disposes; Described equipment and plate chain integrated control switch (5) comprising: No. 1 optoelectronic switch XK10 of joint control, No. 2 optoelectronic switch XK11 of joint control, No. 3 optoelectronic switch XK12 of joint control and the automatically controlled circuit that disposes; Described plate chain operation motor overload isolating switch (6), the automatically controlled circuit that is circuit breaker Q F3 and disposes; Described equipment lifting motor overload circuit breaker (7) comprising: table top front end lifting motor overload switch is that circuit breaker Q F1, table top rear end lifting motor overload switch are circuit breaker Q F2 and the automatically controlled circuit that disposes; Described equipment table top one key reset switch (8) comprising: the table top front end resets and finishes switch XK7, table top rear end A and reset and finish the automatically controlled circuit that switch XK8, table top rear end B reset and finish switch XK9 and dispose; Described equipment table top lifting limit limit switch (9) comprising: table top front end limes superiors limit switch XK1, table top front end smallest limit limit switch XK2, the spacing XK3 of table top rear end A limes superiors, table top rear end A smallest limit limit switch XK4, table top rear end B limes superiors limit switch XK5, table top rear end B smallest limit limit switch XK6 and the automatically controlled circuit that disposes; Described plate chain mode of operation change-over switch (10) comprising: plate chain start button SB8, plate chain stop button SB9 and the automatically controlled circuit that disposes; Described equipment mode of operation change-over switch (11) comprising: hold decline button SB2, table of equipment surface rear end rising button SB3, table of equipment surface rear end decline button SB4, the flat automatically controlled circuit that rises button SB5, equipment table top pancake button SB6, equipment table top one key reset button SB7 and dispose of equipment table top in face of holding rising button SB1, table of equipment in face of the table of equipment; Described system emergency stop switch (12), the automatically controlled circuit that is the scram button ST of system and disposes.

2. connect the roll off the production line wheel of equipment of car and drag the electric-control system of general assembly line described a kind of having according to claim 1, it is characterized in that: in the described equipment lifting ECU (Electrical Control Unit) (3), connect the car equipment of rolling off the production line and connect flat liter, the pancake of ride face and the function of verting, system is achieved with the forward or reverse of braking motor by three liftings, described three lifting braking motors for connect car roll off the production line the front equipment end lifting with braking motor M1, connect car roll off the production line the A lifting of equipment rear end with braking motor M2, meet the car equipment rear end B lifting braking motor M3 that rolls off the production line; Wherein, meet the car front equipment end lifting braking motor M1 that rolls off the production line, connect firmly on two fulcrum lift assemblies (18), be responsible for connecing the car equipment of rolling off the production line and connect the rise and fall of holding in face of the ride, namely meet the car front equipment end lifting braking motor M1 that rolls off the production line, the power that forward or reverse is exported, by commutator assembly (18b), two Screw of Worm Gear lifters (18a), two tape guide push rod component (18c), be passed to the front bottom end that connects ride plate assembly (13), impel it to rise according to need or descend; Connecing car rolls off the production line the A lifting of equipment rear end with braking motor M2 and meets the car equipment rear end B lifting braking motor M3 that rolls off the production line, connect firmly respectively on single fulcrum A lift assembly (19) and single fulcrum B lift assembly (20), the two is responsible for connecing the rise and fall that the car equipment of rolling off the production line connects the ride surface rear end jointly, namely connecing car rolls off the production line the A lifting of equipment rear end with braking motor M2 and meets the car equipment rear end B lifting braking motor M3 that rolls off the production line, the two takes interlock control, the power that the two motor " just changes " or " counter-rotating " exports, respectively by Screw of Worm Gear A lifter (19a)/Screw of Worm Gear B lifter (20a), tape guide A push rod component (19b)/tape guide B push rod component (20b), be passed to the two ends, rear end bottom that connect ride plate assembly (13), impel it to rise according to need or descend.

3. connect the roll off the production line wheel of equipment of car and drag the electric-control system of general assembly line described a kind of having according to claim 1, it is characterized in that: in the described plate chain operation ECU (Electrical Control Unit) (4), the frequency converter VVVF that disposes is placed on the inside of electrical control cubicles (16), speed adjusting resistance R is placed on the operating table surface of electrical control cubicles (16), and the handled easily person adjusts plate chain travelling speed at any time according to need.

4. connect the roll off the production line wheel of equipment of car and drag the electric-control system of general assembly line described a kind of having according to claim 1, it is characterized in that: the described car that connects rolls off the production line in equipment and the plate chain integrated control switch (5), No. 1 optoelectronic switch XK10 of joint control is scattered reflection formula optoelectronic switch, and be arranged on the below of the notch end that connects ride plate assembly (13), and make its light beam β up, η is vertical with ground level; No. 2 optoelectronic switch XK11 of joint control and No. 3 optoelectronic switch XK12 of joint control, be the reflector reflective photoelectric switch, and dispose reflector respectively, wherein, two reflector reflective photoelectric switches are installed in transmitting terminal columns assemblies (17) respectively, two reflectors are installed in reflector respectively with on the columns assemblies (15), and the light beam α that the reflector reflective photoelectric switch sends can return by reflector.

5. connect the roll off the production line wheel of equipment of car and drag the electric-control system of general assembly line described a kind of having according to claim 1, it is characterized in that: in the described equipment table top one key reset switch (8), the table top front end resets and finishes switch XK7 and be arranged on the table top front end smallest limit limit switch XK2, the two size h1, and span is between 40-100mm; Table top rear end A resets and finishes switch XK8 and be arranged on the A smallest limit limit switch XK4 of table top rear end, the two size h2, and span is between 40-100mm; Table top rear end B resets and finishes switch XK9 and be arranged on the B smallest limit limit switch XK6 of table top rear end, the two size h3, and span is between 40-100mm; It is consistent that the value of described h1, h2, h3 should be.

6. connect the roll off the production line wheel of equipment of car and drag the electric-control system of general assembly line described a kind of having according to claim 1; it is characterized in that: be provided with roll off the production line interlock protection program between equipment and the general assembly line plate chain of butt joint car in the PLC control software; that is: a light beam β who sends as No. 1 optoelectronic switch XK10 of the joint control thing that is blocked blocks; and meanwhile; two light beam α that No. 2 optoelectronic switch XK11 of joint control and No. 3 optoelectronic switch XK12 of joint control send also are blocked thing when blocking; block signal input PLC Programmable Logic Controller (1); after its judgment processing; send instruction; the operation of plate chain is out of service automatically with motor M; but; the light beam that sends as No. 1 optoelectronic switch XK10 of joint control and No. 2 optoelectronic switch XK11 of joint control; two light beams that No. 3 optoelectronic switch XK12 of joint control send; block if any one or one or more light beam thing that is not blocked among the three; then after PLC Programmable Logic Controller (1) judgment processing, the plate chain resumes operation automatically.

7. one kind has and connects the car method of work that the wheel of equipment drags the electric-control system of general assembly line that rolls off the production line, and step is as follows:

1) connect power supply: connect power supply, make a kind of have connect car roll off the production line the wheel of equipment drag the electric-control system of general assembly line to be in can duty;

2) start plate chain (14): press the plate chain start button SB8 on electrical control cubicles (16) guidance panel, a plate chain starting switch amount signal input PLC Programmable Logic Controller (1), send instruction through judgement, the operation of plate chain starts with motor M, and according to the frequency conversion rotating speed of having set, cause plate chain (14) to travel at the uniform speed along the ω direction, if need stop board chain (14) operation, can realize by lower plate chain stop button SB9 at any time;

3) plate chain (14) drags at assembly wheel on the plate chain while moving: in plate chain (14) operational process, carrying some the different cultivars wheels that assembling on its carrier bar drags, type varies, adjust plate chain (14) travelling speed as need, the speed adjusting resistance R that is positioned on electrical control cubicles (16) operating table surface by adjustment can realize, with the needs of Football Association's wiring assembling beat adjustment;

4) the general assembly trailing wheel tows to connecing car and rolls off the production line before the equipment: in plate chain (14) operational process, the general assembly trailing wheel of finishing assembling in regular turn drags, walk to successively and connect car and roll off the production line before the equipment, at this moment, be arranged on No. 2 optoelectronic switch XK11 of joint control of plate chain (14) both sides and two light beam α that No. 3 optoelectronic switch XK12 of joint control send, the general assembly trailing wheel that can be walked to plate chain (14) both sides drags and blocks, namely blocked the reflection of two light beam α, at this moment, two " blocking " switching value signal input PLC Programmable Logic Controllers (1), whether plate chain (14) continues operation, will wait for that its PLC Programmable Logic Controller (1) makes next step judgment processing;

5) judge that connect the car equipment of rolling off the production line connects and whether have wheel on the ride face and drag: connect the car equipment of rolling off the production line and connect and whether have wheel on the ride face and drag, comprise its connect the ride face be in horizontal static position and be in flat rise or pancake or the dynamic position that verts on whether have wheel and drag, and carry out by following two kinds of situations:

If 5-1) connect the car equipment of rolling off the production line connect have on the ride face wheel drag, when showing that connecing the ride face is in level or tilt position, having wheel on it drags, at this moment, being arranged on the light beam β that No. 1 optoelectronic switch XK10 of joint control of connecing ride plate assembly (13) notch end below sends can be dragged the bottom to block by wheel, " blocking " switching value signal input PLC Programmable Logic Controller (1) is namely arranged, in step 4), because towing to meeting roll off the production line two of having had before the equipment of car, the general assembly trailing wheel blocks the switching value signal before earlier in addition, after then making further judgement, PLC Programmable Logic Controller (1) sends instruction, the operation of plate chain is then out of service with motor M, be that plate chain (14) is also out of service, wait for next step judgment processing of PLC Programmable Logic Controller (1), drag until wheel and to roll off the production line, light beam β shelter is removed, and plate chain (14) can enough resume operation;

Connect on the ride face not that wheel drags if 5-2) connect the car equipment of rolling off the production line, PLC Programmable Logic Controller (1) judges that ejecting plate chain (14) condition out of service is false, and namely a light beam β is not blocked, and then plate chain (14) continues operation;

6) judge that connect the car equipment of rolling off the production line connects the ride face and whether need flat the liter or pancake: this step meets the car other operator of equipment electrical control cubicles (16) of rolling off the production line by being positioned at, and is carried out by range estimation, divides three kinds of situations:

6-1) operator is by range estimation, connects the ride face and do not need flat the liter or pancake if connect the car equipment of rolling off the production line, and it is concordant with the tire outside diameter bottom that the general assembly trailing wheel drags namely to connect the ride face, then can directly enter step 8);

6-2) operator is by range estimation, connect the ride face and need put down liter if connect the car equipment of rolling off the production line, namely connect the ride face and be lower than the tire outside diameter bottom that the general assembly trailing wheel drags, then need enter step 7) successively, need the operator to start to connect the car equipment that rolls off the production line, raising connects the roll off the production line ride face that connects of equipment of car;

6-3) operator is by range estimation, connect the ride face and need pancake if connect the car equipment of rolling off the production line, namely connect the ride face and be higher than the tire outside diameter bottom that the general assembly trailing wheel drags, then need enter step 7) successively, need the operator to start to connect the car equipment that rolls off the production line, reduce the roll off the production line ride face that connects of equipment of car that connects;

7) start connect car roll off the production line equipment and will connect the ride face flat rise or pancake to needing the position: according to step 6-2) and situation about 6-3) estimating, carry out by following two kinds of situations:

7-1) the flat ride face that connects that rises, namely press the flat button SB5 that rises of equipment table top on electrical control cubicles (16) guidance panel, at this moment, the flat switching value signal input PLC Programmable Logic Controller (1) that rises, send instruction through judgement, connect car roll off the production line the front equipment end lifting with braking motor M1, connect car roll off the production line the A lifting of equipment rear end with braking motor M2, meet the car equipment rear end B lifting braking motor M3 that rolls off the production line, linkage work simultaneously impels to connect the car equipment of rolling off the production line and connect the ride face and rise to desired location;

7-2) pancake connects the ride face, namely press the equipment table top pancake button SB6 on electrical control cubicles (16) guidance panel, at this moment, a pancake switching value signal input PLC Programmable Logic Controller (1), send instruction through judgement, connect car roll off the production line the front equipment end lifting with braking motor M1, connect car roll off the production line the A lifting of equipment rear end with braking motor M2, meet the car equipment rear end B lifting braking motor M3 that rolls off the production line, reverse linkage work simultaneously impels to connect the car equipment of rolling off the production line and connect the ride face and be down to desired location;

8) the general assembly trailing wheel drags to climb up automatically and connects the car equipment of rolling off the production line and connect the ride face: namely connect the ride face and do not have wheel and drag and connect the car equipment of rolling off the production line and connect the ride face and need not flat the liter or pancake satisfying connecing the car equipment of rolling off the production line, or when being positioned at desired location after the lifting, range estimation connects the car equipment of rolling off the production line and connects under the concordant situation in tire outside diameter bottom that ride face and general assembly trailing wheel drag, the general assembly trailing wheel that is positioned on plate chain (14) carrier bar drags, can verting when plate chain (14) travels at the uniform speed along the ω direction stir under the power effect, automatically slowly climb up the roll off the production line ride face that connects of equipment of car that connects;

9) start and to connect roll off the production line equipment and making of car and connect the ride face and vert and force wheel to drag along rolling off the production line on the slope: the general assembly trailing wheel drag climb up connect the car equipment of rolling off the production line and connect the ride face after, the operator holds decline button SB2 or presses table of equipment surface rear end rising button SB3 in face of pressing table of equipment, rise the switching value signal on front end decline switching value signal or the rear end and input to PLC Programmable Logic Controller (1), send instruction through judgement, connecing the car front equipment end lifting of rolling off the production line starts to make with braking motor M1 and connects the roll off the production line ride face that connects of front equipment end of car and descend, or connect car roll off the production line the A lifting of equipment rear end with braking motor M2 with connect the car equipment rear end B lifting of rolling off the production line and start simultaneously to make with braking motor M3 and connect the roll off the production line ride face that the connects rising of equipment rear end of car, thereby make that connect the roll off the production line ride that connects of equipment of car faces the direction that rolls off the production line and vert, can impel the wheel on it to drag and can easily roll according to the gravity of self downwards, downslide is rolled off the production line;

10) start and to connect roll off the production line equipment and make and connect the ride face and oppositely vert to horizontal original position of car: treat the general assembly trailing wheel drag roll off the production line after, the operator holds rising button SB1 or presses table of equipment surface rear end rising button SB3 in face of pressing table of equipment, in like manner, front end rising switching value signal or rear end decline switching value signal input to PLC Programmable Logic Controller (1), send instruction through judgement, connecing the car front equipment end lifting of rolling off the production line oppositely starts to cause with braking motor M1 and connects the roll off the production line ride face that connects of front equipment end of car and rise, or connect car roll off the production line the A lifting of equipment rear end with braking motor M2 with connect the car equipment rear end B lifting of rolling off the production line and start simultaneously oppositely to cause with braking motor M3 and connect the roll off the production line ride face that the connects decline of equipment rear end of car, thereby make previous step 9) the ride face that connects just having implemented to vert, oppositely vert, till recovering original horizontal level, for the car that connects that enters that next round general assembly trailing wheel drags rolls off the production line and gets ready, namely be back to after the step 4) repeating step 5) afterwards the course of work.