CN203903935U - Control system of lifting maintenance vehicle - Google Patents
Control system of lifting maintenance vehicle Download PDFInfo
- Publication number
- CN203903935U CN203903935U CN201420295634.XU CN201420295634U CN203903935U CN 203903935 U CN203903935 U CN 203903935U CN 201420295634 U CN201420295634 U CN 201420295634U CN 203903935 U CN203903935 U CN 203903935U
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- relay
- series
- normal battle
- power supply
- normally closed
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Abstract
The utility model provides a control system of a lifting maintenance vehicle. The control system of the lifting maintenance vehicle is characterized in that a forward gear is connected to the two ends of a power source after being connected with a normally closed point of a relay K2 and a relay K1 in series, a left steering electromagnetic valve is connected to the two ends of the control power source after being connected with a normally open point of a relay K9 in series, and a right steering electromagnetic valve is connected to the two ends of the control power source after being connected with a normally open point of a relay K10 in series; an ascending inching switch is connected to the two ends of the control power source after being connected with a normally closed point of a relay K12 and a relay K11 in series, and a descending inching switch is connected to the two ends of the control power source after being connected with a normally closed point of the relay K11 and the relay K12 in series. According to the control system of the lifting maintenance vehicle, forward movement and backward movement of the maintenance vehicle are achieved by controlling forward rotation and reverse rotation of a series motor; the steering function can be achieved under the control effect of the left steering electromagnetic valve and the right steering electromagnetic valve on a steering hydraulic cylinder. Ascending and descending of an operation platform are achieved by arranging the relay K11 and the relay K12 which are connected with the ascending inching switch and the descending inching switch in series.
Description
Technical field
The utility model relates to a kind of lifting maintenance vehicle control system, in particular, relates in particular to one and can automatically advance, retreats and turn to and the liftable lifting maintenance vehicle control system of operator's station.
Background technology
Lifting maintenance vehicle is as a kind of vehicle with special purpose, and staff can complete the inspection and maintenance operation to eminence equipment by standing on operator's station.But the automatic control level of existing lifting maintenance vehicle is lower, do not integrate that vehicle advances, retreats, turns to, braking and automatic lifting, use very inconvenient.
Summary of the invention
The utility model, in order to overcome the shortcoming of above-mentioned technical matters, provides one can automatically advance, retreat and turn to and the liftable lifting maintenance vehicle control system of operator's station.
Lifting maintenance vehicle control system of the present utility model, lifting maintenance vehicle is made up of vehicle frame, wheel and the operator's station that is positioned at vehicle frame top, and operator's station is fixed on vehicle frame by lifting turntable, is fixed with the lifting hydraulic cylinder that orders about operator's station lifting on vehicle frame; On vehicle frame, be provided with the series machine that orders about vehicle wheel rotation, front wheel turns to by ordering about of hydraulic steering cylinder; It is characterized in that: described control system comprises battery pack, chopper, series machine, throw over relay, control rocking bar, HM Hydraulic Motor;
On chopper, be provided with power input B+ and B-and output terminals A 2 and M-, the power input B+ of chopper and B-are connected on the both positive and negative polarity of battery pack, and series machine is connected to A2 and the M-mouth of chopper after connecting with throw over relay; Controlling rocking bar comprises forward gear, retreats gear, turns left to keep off and the gear of turning right; Throw over relay comprises coil F and coil R; On series machine, be provided with the electromagnetic braking coil that it is braked;
After safety switch, key switch and intermediate relay K3 are in series, be connected to the two ends of controlling battery pack, the positive pole of battery pack is formation control power supply after the normal battle of intermediate relay K3; After the normally closed point of forward gear and relay K 2 and relay K 1 are in series, retreat the normally closed point of gear and relay K 1 and relay K 2 and be in series after, the normally closed point of turn left gear and relay K 10 and relay K 9 be in series after, turn right and keep off the two ends that are all connected to control power supply after connecting with the normally closed point of relay K 9 and relay K 10; The F coil of throw over relay connect with the normal battle of relay K 1 after, the R coil of throw over relay with connect the normal battle of relay K 2 after be all connected to control power supply two ends; The normal circuit forming in parallel of making war of the normal battle of relay K 1 and relay K 2 is connected to the two ends of controlling power supply after connecting with braking relay K4, is connected to the two ends of controlling power supply after be in series the normal battle of the electromagnetic braking coil of series machine and braking relay K4;
After be in series the normal battle of left steering electromagnetic valve and relay K 9, normal battle of right steering electromagnetic valve and relay K 10 is all connected to the two ends of controlling power supply after being in series; After the normally closed point of rising point driving switch and relay K 12 and relay K 11 are in series, the normally closed point of decline point driving switch and relay K 11 and relay K 12 be all connected to control both ends of power after being in series, the K5 of slug relay is connected to control both ends of power after connecting with the normal battle of relay K 11, after the circuit of the normal battle of relay K 12 and the mouth formation in parallel of the K5 of slug relay and rise/fall electromagnetic valve are in series, be connected to control both ends of power, circuit electromagnetic valve is connected to the two ends of controlling power supply after connecting with the normal battle of relay K 12.
Lifting maintenance vehicle control system of the present utility model, also comprise the next approach switch and the upper approach switch that are arranged at respectively on vehicle frame and operator's station, the extreme higher position that upper approach switch and the next approach switch rise to operator's station respectively and the extreme lower position of decline are carried out spacing; The mouth of upper approach switch and the next approach switch is connected with respectively relay K 6 and relay K 7, and the normally closed point of relay K 6 is series in the circuit at rising point driving switch place, and the normally closed point of relay K 7 is series in the circuit at decline point driving switch place.
Lifting maintenance vehicle control system of the present utility model, described HM Hydraulic Motor is connected to the two ends of battery pack, control relay K8 is connected to the two ends of controlling power supply after connecting with normal battle, the normal battle of relay K 10 and the normal battle of relay K 11 of relay K 9, FP Fuel Pump Relay K13 is connected to the two ends of controlling power supply after connecting with the normal battle of control relay K8.
The beneficial effects of the utility model are: lifting maintenance vehicle control system of the present utility model, control the forward gear of rocking bar and retreat gear and be in series with respectively relay K 1, K2, the coil F of throw over relay and coil R are in series with the normal battle of relay K 1, K2 respectively, get to respectively forward gear, retreat while blocking when controlling rocking bar, can realize the rotating control of series machine, also just realize the motion that moves forward and backward of maintenance car.By the rotation relay K 4 of connecting with the normal battle of relay K 1, K2 is set, and normal battle and the electromagnetic braking coil of braking relay K4 are in series, realize in the time controlling rocking bar in neutral gear position, series machine, all the time in braking mode, has ensured that maintenance car is in stable quiescence.
Left-hand rotation gear, the right-hand rotation gear of controlling rocking bar are in series with relay K 9, K10 respectively, and be in series with the control coil of left steering electromagnetic valve, right steering electromagnetic valve the normal battle of relay K 9, K10 respectively, get to gear, turn right while blocking when controlling rocking bar, can realize turning function at the left and right electromagnetic valve that turns under to the control action of hydraulic steering cylinder.By the relay K 11, the K12 that are in series with rising point driving switch, decline point driving switch are set, rise/fall electromagnetic valve, circuit electromagnetic valve can be realized rising and the decline operation of operator's station under the control action of relay K 11, K12.
Brief description of the drawings
Fig. 1, Fig. 2 are the structural representation of lifting maintenance vehicle of the present utility model;
Fig. 3 is lifting maintenance vehicle control system schematic circuit diagram of the present utility model.
In figure: 1 vehicle frame, 2 wheels, 3 lifting turntables, 4 lifting hydraulic cylinders, 5 operator's stations, 6 hydraulic steering cylinders, 7 battery pack, 8 choppers, 9 series machines, 10 throw over relays, 11 control rocking bar, 12 safety switchs, 13 key switches, 14 electromagnetic braking coils, 15 HM Hydraulic Motor, 16 upper approach switchs, 17 the next approach switchs.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As depicted in figs. 1 and 2, provide the structural representation of lifting maintenance vehicle of the present utility model, it comprises vehicle frame 1, wheel 2, lifting turntable 3, lifting hydraulic cylinder 4 and operator's station 5, shown 1 fixing and supporting role of vehicle frame, wheel 2 is arranged at the below of vehicle frame 1, wheel 2 rotates by ordering about of series machine 9, and the wheel 2 in front turns under the driving effect of hydraulic steering cylinder 6.Operator's station 5 is fixed on vehicle frame 1 by lifting turntable 3, and lifting turntable 3 stretches under the driving effect of lifting hydraulic cylinder 4.
As shown in Figure 3, provide the circuit diagram of the control system of lifting maintenance vehicle of the present utility model, it comprises battery pack 7, chopper 8, series machine 9, throw over relay 10, control rocking bar 11, tightly switch 12, key switch 13, HM Hydraulic Motor 15, upper approach switch 16 and the next approach switch 17, and the work that shown battery pack 7 is whole maintenance car provides electric energy.On chopper 8, be provided with power input B-and B+, output terminals A 2 and M-, the input end B+ of chopper 8 is connected with the both positive and negative polarity of battery pack 7 respectively with B-, and series machine 9 is connected to A2 and the M-mouth of chopper 8 after connecting with throw over relay 10.After safety switch 12, key switch 13 and intermediate relay K3 series connection, be connected to the two ends of battery pack 7, the positive pole of battery pack 7 has formed control power supply after the normal battle of intermediate relay K3, when after key switch 13 closures, the loop conducting at intermediate relay K3 place, the normal battle of relay K 3 is closed, controls power connection.
Control on rocking bar 11 and be provided with forward gear, retreat gear, turn left to keep off and the gear of turning right, on throw over relay 10, be provided with coil F and coil R.Control after the forward gear of the rocking bar 11 and normally closed point of relay K 2 and relay K 1 is connected and be connected to the two ends of controlling power supply, retreat the two ends that are connected to control power supply after gear is connected with the normally closed point of relay K 1 and relay K 2, because the normally closed point of relay K 2, K1 is series at respectively in the loop at forward gear and rollback gear place, realize interlocked use, synchronization, relay K 1 and K2 can only have an energising.The coil F of throw over relay 10 is connected to the two ends of controlling power supply after connecting with the normal battle of relay K 1, coil R is connected to the two ends of controlling power supply after connecting with the normal battle of relay K 2, under the effect of relay K 1 and relay K 2, can realize the alternately property energising of coil R and coil F, and then realize the rotating control of series machine 9, control whole maintenance car and move forward and backward.
Normal battle of the formed circuit in parallel and after braking relay K4 is in series of relay K 1 and relay K 2, be connected to the two ends of controlling power supply, the electromagnetic braking coil of series machine 9 is connected to the two ends of controlling power supply after connecting with the normal battle of relay K 4, like this in the time controlling rocking bar 11 in forward gear and retreat the neutral gear position between gear, series machine 9, all the time in braking mode, has ensured the stability of whole maintenance car.
In order to realize turning to and the automatic lifting of operator's station 5 of maintenance car, be provided with hydraulic efficiency pressure system, shown hydraulic efficiency pressure system is made up of HM Hydraulic Motor 15, left steering electromagnetic valve, right steering electromagnetic valve, rise/fall electromagnetic valve, circuit electromagnetic valve and hydraulic circuit, the left and right electromagnetic valve that turns to is for the flow direction of hydraulic steering cylinder 6 hydraulic oil is controlled, to realize turning function; Under the control action of rise/fall electromagnetic valve, can order about operator's station 5 free liftings.
After being in series, the normally closed point of the left-hand rotation gear of shown control rocking bar and relay K 10 and relay K 9 be connected to the two ends of controlling power supply, after being in series, the normally closed point of gear and the relay K 9 of turning right and relay K 10 be connected to the two ends of controlling power supply, because the normal-closed end of relay K 9, K10 is series at respectively the gear of turning right, turns left to keep off in the loop at place, realize the interlocking of left steering and right steering, a kind of state that maintenance car can only be in left steering and right steering at synchronization.Shown left steering electromagnetic valve is connected to the two ends of controlling power supply after connecting with the normal battle of relay K 9, when the gear closure of turning left makes after relay K 9 energisings, left steering solenoid valve conduction, controls maintenance car and turn left; Shown right steering electromagnetic valve is connected to the two ends of controlling power supply after connecting with the normal battle of relay K 10, when the gear closure of turning right makes after relay K 10 energisings, and right steering solenoid valve conduction, control maintenance car is carried out and is turned right.
Shown upper approach switch 16 and the next approach switch 17, for detection of the location status of operator's station 5, carry out spacing to the extreme lower position of 5 maximum heights that can rise of operator's station and decline.On the mouth of shown upper approach switch 16, be provided with relay K 6, on the mouth of the next approach switch 17, be provided with relay K 7.After being in series, the normally closed point of rising point driving switch and relay K 6, the normally closed point of relay K 12 and relay K 11 be connected to the two ends of controlling power supply, after being in series, the normally closed point of decline point driving switch and relay K 7, the normally closed point of relay K 11 and relay K 12 be connected to the two ends of controlling power supply, like this, when operator's station 5 is during near upper approach switch 16, can make to rise the loop at point driving switch place all the time in off-state, now operator's station 5 can not be carried out lift operations; When operator's station 5 is during near the next approach switch 17, the loop at the point driving switch place that can make to decline is all the time in off-state, and now operator's station 5 can not be carried out step-down operation.Meanwhile, because the normally closed point of relay K 12, K11 is series at respectively in the loop at rising point driving switch, decline point driving switch place, realized the interlocked use that operator's station 5 rises and declines.
In the process rising at operator's station 5, in order to make lifting hydraulic cylinder 4 obtain enough hydraulic couplings, should make operation of oil pump one end time, therefore be provided with timing circuit.The shown K5 of slug relay is connected to the two ends of controlling power supply after connecting with the normal battle of relay K 11, rise/fall electromagnetic valve is connected to the two ends of controlling power supply after connecting with the normal battle of relay K 12 and the contact of slug relay, circuit electromagnetic valve is connected to the two ends of controlling power supply after connecting with the normal battle of relay K 12.In the process of work, when being pressed, rising point driving switch makes after relay K 11 energisings, the K5 of slug relay trigger, delay time, to rise/fall electromagnetic valve is opened, orders about operator's station 5 and carries out vertical motion; Make after relay K 12 energisings when decline point driving switch is pressed, rise/fall electromagnetic valve and circuit electromagnetic valve are opened simultaneously, and operator's station 5 is carried out down maneuver.
Lifting maintenance vehicle control system of the present utility model, control the forward gear of rocking bar and retreat gear and be in series with respectively relay K 1, K2, the coil F of throw over relay and coil R are in series with the normal battle of relay K 1, K2 respectively, get to respectively forward gear, retreat while blocking when controlling rocking bar, can realize the rotating control of series machine, also just realize the motion that moves forward and backward of maintenance car.By the rotation relay K 4 of connecting with the normal battle of relay K 1, K2 is set, and normal battle and the electromagnetic braking coil of braking relay K4 are in series, realize in the time controlling rocking bar in neutral gear position, series machine, all the time in braking mode, has ensured that maintenance car is in stable quiescence.
Claims (3)
1. a lifting maintenance vehicle control system, lifting maintenance vehicle is made up of vehicle frame (1), wheel (2) and the operator's station (5) that is positioned at vehicle frame top, operator's station is fixed on vehicle frame by lifting turntable (3), is fixed with the lifting hydraulic cylinder (4) that orders about operator's station lifting on vehicle frame; On vehicle frame, be provided with the series machine (9) that orders about vehicle wheel rotation, front wheel turns to by ordering about of hydraulic steering cylinder (6); It is characterized in that: described control system comprises battery pack (7), chopper (8), series machine (9), throw over relay (10), controls rocking bar (11), HM Hydraulic Motor (15);
On chopper, be provided with power input B+ and B-and output terminals A 2 and M-, the power input B+ of chopper and B-are connected on the both positive and negative polarity of battery pack, and series machine is connected to A2 and the M-mouth of chopper after connecting with throw over relay; Controlling rocking bar comprises forward gear, retreats gear, turns left to keep off and the gear of turning right; Throw over relay comprises coil F and coil R; On series machine, be provided with the electromagnetic braking coil that it is braked;
After safety switch (12), key switch (13) and intermediate relay K3 are in series, be connected to the two ends of controlling battery pack, the positive pole of battery pack is formation control power supply after the normal battle of intermediate relay K3; After the normally closed point of forward gear and relay K 2 and relay K 1 are in series, retreat the normally closed point of gear and relay K 1 and relay K 2 and be in series after, the normally closed point of turn left gear and relay K 10 and relay K 9 be in series after, turn right and keep off the two ends that are all connected to control power supply after connecting with the normally closed point of relay K 9 and relay K 10; The F coil of throw over relay connect with the normal battle of relay K 1 after, the R coil of throw over relay with connect the normal battle of relay K 2 after be all connected to control power supply two ends; The normal circuit forming in parallel of making war of the normal battle of relay K 1 and relay K 2 is connected to the two ends of controlling power supply after connecting with braking relay K4, is connected to the two ends of controlling power supply after be in series the normal battle of the electromagnetic braking coil of series machine and braking relay K4;
After be in series the normal battle of left steering electromagnetic valve and relay K 9, normal battle of right steering electromagnetic valve and relay K 10 is all connected to the two ends of controlling power supply after being in series; After the normally closed point of rising point driving switch and relay K 12 and relay K 11 are in series, the normally closed point of decline point driving switch and relay K 11 and relay K 12 be all connected to control both ends of power after being in series, the K5 of slug relay is connected to control both ends of power after connecting with the normal battle of relay K 11, after the circuit of the normal battle of relay K 12 and the mouth formation in parallel of the K5 of slug relay and rise/fall electromagnetic valve are in series, be connected to control both ends of power, circuit electromagnetic valve is connected to the two ends of controlling power supply after connecting with the normal battle of relay K 12.
2. lifting maintenance vehicle control system according to claim 1, it is characterized in that: also comprise the next approach switch (17) and the upper approach switch (16) that are arranged at respectively on vehicle frame (1) and operator's station (5), the extreme higher position that upper approach switch and the next approach switch rise to operator's station respectively and the extreme lower position of decline are carried out spacing; The mouth of upper approach switch and the next approach switch is connected with respectively relay K 6 and relay K 7, and the normally closed point of relay K 6 is series in the circuit at rising point driving switch place, and the normally closed point of relay K 7 is series in the circuit at decline point driving switch place.
3. lifting maintenance vehicle control system according to claim 1 and 2, it is characterized in that: described HM Hydraulic Motor (15) is connected to the two ends of battery pack (7), control relay K8 is connected to the two ends of controlling power supply after connecting with normal battle, the normal battle of relay K 10 and the normal battle of relay K 11 of relay K 9, FP Fuel Pump Relay K13 is connected to the two ends of controlling power supply after connecting with the normal battle of control relay K8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295634.XU CN203903935U (en) | 2014-06-05 | 2014-06-05 | Control system of lifting maintenance vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295634.XU CN203903935U (en) | 2014-06-05 | 2014-06-05 | Control system of lifting maintenance vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203903935U true CN203903935U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420295634.XU Withdrawn - After Issue CN203903935U (en) | 2014-06-05 | 2014-06-05 | Control system of lifting maintenance vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203903935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098056A (en) * | 2014-06-05 | 2014-10-15 | 济南科亚电子科技有限公司 | Lift maintenance truck control system |
-
2014
- 2014-06-05 CN CN201420295634.XU patent/CN203903935U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098056A (en) * | 2014-06-05 | 2014-10-15 | 济南科亚电子科技有限公司 | Lift maintenance truck control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |