CN104129332A - Lifting control structure and mining dump truck - Google Patents
Lifting control structure and mining dump truck Download PDFInfo
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- CN104129332A CN104129332A CN201410357192.1A CN201410357192A CN104129332A CN 104129332 A CN104129332 A CN 104129332A CN 201410357192 A CN201410357192 A CN 201410357192A CN 104129332 A CN104129332 A CN 104129332A
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- lifting control
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Abstract
The invention discloses a lifting control structure and a mining dump truck, and belongs to the field of machine manufacturing. The lifting control structure comprises an input unit, a calculation and logical judgment unit, an output unit and an execution unit which are connected in order, wherein the input unit comprises a plurality of button switches, the calculation and logical judgment unit comprises a controller 1, the output unit comprises a plurality of proportional solenoid valves, and the execution unit comprises a lifting cylinder 2; and the plurality of the button switches comprise a lifting switch 3 and a lowering switch 4, and the plurality of the proportional solenoid valves comprise a lifting proportional valve 5 and a lowering proportional valve 6 which are respectively connected with the lifting switch 3 and the lowering switch 4 through the controller 1. The lifting control structure is characterized in that the button switches with simple structure and low cost are used for replacing operating handles and are combined with the proportional solenoid valves to control the action of the lifting cylinder, so that the intelligence is improved and the cost can be effectively reduced.
Description
Technical field
The invention belongs to mechanical equipment control field, relate to a kind of lifting control, relate in particular to a kind of lifting control structure and quarry tipper.
Background technology
A radical function of quarry tipper is exactly transported material (as coal, soil, stone etc.), and along with the development of technology, increasing user is concerned about its intellectuality, cost, reliability and safety more.
The traditional lifting control method of existing quarry tipper be by expensive and baroque operating handle as control inputs equipment, by the common electromagnetic valve of controller control, the function of realize simple lifting, decline, floating and keeping; Or can increase limit switch indicates compartment lifting or decline puts in place.This mode belongs to full manual control mode, and it can not actv. prevents or reduce the collision of compartment and vehicle frame, also cannot Real-time Feedback compartment and the state of operating handle, can not meet growing intelligent demand.
The controller for lifting of the quarry tipper having in prior art, adopt handle to realize the action in compartment, this just need to improve as much as possible the precision of handle analog signal output and prevent maloperation by complicated physical construction, thereby has sacrificed originally to improve operating characteristic.Also without operational feedback, only adopt simple limit switch to detect car position, the action of restriction compartment simultaneously.
Summary of the invention
In view of this, the present invention substitutes operating handle by button switch simply and cheaply, and in conjunction with the action of proportional solenoid valve control load lifting cylinder, can effectively reduce cost promoting the intelligentized while.
For achieving the above object, concrete technical scheme is as follows:
On the one hand, a kind of lifting control structure is provided, be applicable to quarry tipper, comprise connected successively input block, computing and logic judgment unit, output unit and performance element, described input block comprises some button switchs, described computing and logic judgment unit comprise controller, described output unit comprises some proportion magnetic valves, described performance element comprises load lifting cylinder, described some button switchs comprise lifting switch and decline switch, described some proportion magnetic valves comprise the lifting apportioning valve and the down ratio valve that are connected with decline switch with lifting switch by controller respectively.
Preferably, in described some button switchs, also comprise floating switch, in described output unit, also comprise the general solenoid valve being connected with described floating switch by controller.
Preferably, in described some button switchs, be also provided with LED light, described LED light is connected with the interface circuit of described controller, and in the time that described button switch does not move, described LED light is sent the low light level; In the time of described button switch action, described LED light is sent high light.
Preferably, also comprise angular transducer, described angular transducer is located on described quarry tipper, and described angular transducer is connected with described controller.
Preferably, described quarry tipper is provided with connected compartment and vehicle frame, described angular transducer is located between described compartment and vehicle frame, and described angular transducer is measured the location information of described compartment with respect to described vehicle frame, and described information is passed to described controller.
Preferably, the stroke region in described compartment comprises M/C region and automatic buffer region, and when described compartment is during in described automatic buffer region, load lifting cylinder carries out action of giving described in described controller control.
Preferably, described automatic buffer region comprises lifting buffer area and decline buffer area.
On the other hand, provide a kind of quarry tipper, comprise lifting control structure described above.
With respect to prior art, the advantage of technical scheme of the present invention has:
1) the simple button switch of mechanism substitutes the operating handle of original design complexity, strong interference immunity, cost are low, easy care and reliability high;
2) LED light of button switch and controller interface circuit actv. merge, and realize visual feedback effects;
3) full automaticity lifting and decline pooling feature, avoids the hard collision of compartment and vehicle frame, improves the life-span of the parts such as compartment, vehicle frame and load lifting cylinder, has improved greatly operation comfort simultaneously;
4) semi-automatic carriage lifting and decline function, makes the more intelligent and hommization of whole compartment operation.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the electrical block diagram of the LED light of the embodiment of the present invention;
Fig. 3 is the stroke schematic diagram in the compartment of the embodiment of the present invention.
Wherein, 1 is that controller, 2 is that load lifting cylinder, 3 is that lifting switch, 4 is that decline switch, 5 is that lifting apportioning valve, 6 is that down ratio valve, 7 is that floating switch, 8 is that unsteady electromagnetic valve, 9 is that angular transducer, 10 is that LED light, 11 is interface circuit.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present invention can combine mutually.
Below with reference to accompanying drawing, embodiments of the invention are done to concrete explaination.
A kind of lifting control structure of embodiments of the invention, is applicable to quarry tipper as shown in Figure 1.Comprise connected successively input block, computing and logic judgment unit, output unit and performance element.Input block comprises some button switchs, and computing and logic judgment unit comprise controller 1, and output unit comprises some proportion magnetic valves, and performance element comprises load lifting cylinder 2.
Some button switchs comprise lifting switch 3 and decline switch 4, and some proportion magnetic valves comprise the lifting apportioning valve 5 and the down ratio valve 6 that are connected with lifting switch 3, decline switch 4 by controller 1 respectively.
Embodiments of the invention substitute operating handle by button switch simply and cheaply, and in conjunction with the action of proportional solenoid valve control load lifting cylinder, can effectively reduce cost promoting the intelligentized while.
As shown in fig. 1, in an embodiment of the present invention, preferably in some button switchs, also comprise floating switch 7, in output unit, also comprise by controller 1 and the general solenoid valve that floating switch 7 is connected, be preferably the electromagnetic valve 8 that floats.
And preferably also comprise angular transducer 9.Quarry tipper is provided with connected compartment and vehicle frame, and angular transducer 9 is located between compartment and vehicle frame, and angular transducer 9 is measured the location information of compartment with respect to vehicle frame, and information is passed to controller 1.
As shown in Figure 2, in an embodiment of the present invention, preferably in some button switchs, be also provided with LED light 10, LED light 10 is connected with the interface circuit of controller.In the time that button switch does not move, LED light 10 is sent the low light level; In the time that button switch moves, LED light 10 is sent high light.
Separately as shown in Figures 1 and 2, in an embodiment of the present invention, in lifting switch K1, floating switch K2 and decline K switch 3, on the one hand, each button switch one end ground connection, the other end connects the DI interface of controller 1, Low level effective; On the other hand, the LED light 10 of switch and controller interface circuit composition light feedback system.In the time that switch does not move, LED light 10 forms major loop with R3, and LED light 10 is sent the low light level.In the time of switch motion, LED light 10 forms major loop by switch contact and low level, and LED light 10 is sent high light.
As shown in fig. 1, in an embodiment of the present invention, what the YV1 of the embodiment of the present invention and YV3 adopted is proportion magnetic valve, the aperture of the pwm pulse modulation signal control cock that reception controller 1 sends.The aperture scope of YV1 and YV3 valve is 0%～100%.YV1 is connected with the hydraulic circuit of load lifting cylinder 2 respectively with YV3.Controller 1 realizes by changing corresponding pwm signal value the speed that regulates lifting and decline, reaches the action of controlling load lifting cylinder 2 liftings and decline.
Separately as shown in fig. 1, in an embodiment of the present invention, what the YV2 of the embodiment of the present invention adopted is general solenoid valve, controls another oil return line of load lifting cylinder 2, the direct oil sump tank of oil (without lifting lowering valve) of 2 li of load lifting cylinders when action, thus realize the unsteady action in compartment.
The load lifting cylinder of the embodiment of the present invention is the execution unit of mine self-discharging vehicle carriage lifting, lower degradation action, forms hydraulic efficiency pressure system with various pumps, valve and pipeline, the action of have lifting, decline, floating and keeping.
In addition, as shown in fig. 1, in an embodiment of the present invention, the angular transducer 9 of the embodiment of the present invention is arranged near compartment and vehicle frame adapter shaft, for measuring the position of the relative vehicle frame in compartment.Output signal is 4～20mA, is directly connected with controller 1, and measurement range, zero point and full scale value all can be demarcated and be proofreaied and correct by controller 1 program.
The controller of the embodiment of the present invention is selected 31 intelligent SYMC controllers, and single program circulating period can reach 2ms, supports the functions such as floating point arithmetic and CAN communication, effectively raises speed and the precision of closed loop control computing.
As shown in fig. 1, in an embodiment of the present invention, in the embodiment of the present invention, jointly formed the control system of a closed loop by button switch, controller 1, electromagnetic valve, load lifting cylinder 2 and angular transducer 9.Lifting switch 3, floating switch 7 and decline switch 4 are input block, and SYMC controller 1 is computing and logic judgment unit, and lifting apportioning valve 5, the electromagnetic valve 8 that floats, down ratio valve 6 are output unit, and load lifting cylinder 2 is performance element.
As shown in Figure 2, in an embodiment of the present invention, the control of the carriage lifting automatic buffer of the embodiment of the present invention and decline automatic buffer and semi-automatic carriage lifting and decline, the whole stroke region that θ 1 is compartment, θ 2 is decline automatic buffer region, compartment, θ 3 is carriage lifting automatic buffer region, and remaining region is M/C region.
In M/C region, control structure will not participate in lifting or descending speed control, operate as required lifting, decline or unsteady action by user; When in decline automatic buffer region and lifting automatic buffer region, system detects the current aperture of K1, K2, the state of tri-buttons of K3, YV1, YV3 valve, the car position of S1 angular transducer feedback, and these data are calculated and logic judgement, output pwm signal drives lifting apportioning valve and down ratio valve, regulate their aperture, and then regulate the speed of load lifting cylinder, realize the object of automatic buffer.
In addition, in an embodiment of the present invention, the closed loop control system of the embodiment of the present invention has also realized the function of the lifting of S. A. compartment and decline simultaneously, as crawl (activation time <T, T can arrange voluntarily according to user's request) time, M/C is carried out according to button switch state in compartment; As lifting button switch or long (the activation time >=T that presses of decline button switch, T can arrange voluntarily according to user's request) time, compartment by automatic lifting to most significant bit or drop to lowest order, arrive after most significant bit or lowest order, controller stops pwm signal output after the value of angular transducer is judged, action completes, and in this semi-automatic operation process, control structure will realize the pooling feature of carriage lifting or decline automatically.
In embodiments of the invention, also comprise a kind of quarry tipper, be provided with lifting control structure described above.Because above-mentioned lifting control structure has above-mentioned technique effect, therefore, the quarry tipper that is provided with this lifting control structure also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
Above specific embodiments of the invention be have been described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and alternative also all among category of the present invention.Therefore, equalization conversion and the amendment done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.
Claims (8)
1. a lifting control structure, be applicable to quarry tipper, it is characterized in that, comprise connected successively input block, computing and logic judgment unit, output unit and performance element, described input block comprises some button switchs, described computing and logic judgment unit comprise controller (1), described output unit comprises some proportion magnetic valves, described performance element comprises load lifting cylinder (2), described some button switchs comprise lifting switch (3) and decline switch (4), described some proportion magnetic valves comprise the lifting apportioning valve (5) and the down ratio valve (6) that are connected with decline switch (4) with lifting switch (3) by controller (1) respectively.
2. lifting control structure as claimed in claim 1, it is characterized in that, in described some button switchs, also comprise floating switch (7), in described output unit, also comprise the general solenoid valve being connected with described floating switch (7) by controller (1).
3. lifting control structure as claimed in claim 2, it is characterized in that, in described some button switchs, be also provided with LED light (10), described LED light (10) is connected with the interface circuit (11) of described controller (1), in the time that described button switch does not move, described LED light (10) is sent the low light level; In the time of described button switch action, described LED light (10) is sent high light.
4. lifting control structure as claimed in claim 3, it is characterized in that, also comprise angular transducer (9), described angular transducer (9) is located on described quarry tipper, and described angular transducer (9) is connected with described controller (1).
5. lifting control structure as claimed in claim 4, it is characterized in that, described quarry tipper is provided with connected compartment and vehicle frame, described angular transducer (9) is located between described compartment and vehicle frame, described angular transducer (9) is measured the location information of described compartment with respect to described vehicle frame, and described information is passed to described controller (1).
6. lifting control structure as claimed in claim 5, it is characterized in that, the stroke region in described compartment comprises M/C region and automatic buffer region, when described compartment is during in described automatic buffer region, described controller (1) is controlled described load lifting cylinder (2) and is carried out action of giving.
7. lifting control structure as claimed in claim 6, is characterized in that, described automatic buffer region comprises lifting buffer area and decline buffer area.
8. a quarry tipper, is characterized in that, comprises the lifting control structure as described in claim 1 to 7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410357192.1A CN104129332A (en) | 2014-07-24 | 2014-07-24 | Lifting control structure and mining dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410357192.1A CN104129332A (en) | 2014-07-24 | 2014-07-24 | Lifting control structure and mining dump truck |
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| Publication Number | Publication Date |
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| CN104129332A true CN104129332A (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410357192.1A Pending CN104129332A (en) | 2014-07-24 | 2014-07-24 | Lifting control structure and mining dump truck |
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| CN (1) | CN104129332A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156208A (en) * | 2018-11-08 | 2020-05-15 | 陕西汽车集团有限责任公司 | Unmanned mining vehicle lifting control system and method and mining vehicle |
| CN112455308A (en) * | 2020-12-08 | 2021-03-09 | 安徽江淮汽车集团股份有限公司 | Dumper lifting device and dumper |
| CN112483515A (en) * | 2020-12-08 | 2021-03-12 | 安徽江淮汽车集团股份有限公司 | Self-discharging vehicle lifting control circuit, device and self-discharging vehicle |
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| KR20000045103A (en) * | 1998-12-30 | 2000-07-15 | 정몽규 | Device for heating load box of dump truck using exhaust heat of engine |
| JP4244149B2 (en) * | 2003-03-06 | 2009-03-25 | 日立建機株式会社 | Dump truck body lifting speed controller |
| CN101870270A (en) * | 2010-05-12 | 2010-10-27 | 三一重机有限公司 | Mine self-discharging vehicle carriage floating descending control device |
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| CN103437395A (en) * | 2013-09-12 | 2013-12-11 | 上海三一重机有限公司 | Hydraulic loop for floating function of working device and excavator |
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2014
- 2014-07-24 CN CN201410357192.1A patent/CN104129332A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20000045103A (en) * | 1998-12-30 | 2000-07-15 | 정몽규 | Device for heating load box of dump truck using exhaust heat of engine |
| JP4244149B2 (en) * | 2003-03-06 | 2009-03-25 | 日立建機株式会社 | Dump truck body lifting speed controller |
| CN101870270A (en) * | 2010-05-12 | 2010-10-27 | 三一重机有限公司 | Mine self-discharging vehicle carriage floating descending control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156208A (en) * | 2018-11-08 | 2020-05-15 | 陕西汽车集团有限责任公司 | Unmanned mining vehicle lifting control system and method and mining vehicle |
| CN111156208B (en) * | 2018-11-08 | 2022-07-12 | 陕西汽车集团股份有限公司 | Unmanned mining vehicle lifting control system and method and mining vehicle |
| CN112455308A (en) * | 2020-12-08 | 2021-03-09 | 安徽江淮汽车集团股份有限公司 | Dumper lifting device and dumper |
| CN112483515A (en) * | 2020-12-08 | 2021-03-12 | 安徽江淮汽车集团股份有限公司 | Self-discharging vehicle lifting control circuit, device and self-discharging vehicle |
| CN112455308B (en) * | 2020-12-08 | 2022-03-22 | 安徽江淮汽车集团股份有限公司 | Dumper lifting device and dumper |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SANYI HEAVY-DUTY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: SANY MINING MACHINERY CO., LTD. Effective date: 20141202 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215300 SUZHOU, JIANGSU PROVINCE TO: 110000 SHENYANG, LIAONING PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20141202 Address after: Yansai Lake Street, Shenyang economic and Technological Development Zone of Liaoning Province, Shenyang City, No. 31, 110000 Applicant after: Sany Heavy Equipment Co.,Ltd. Address before: 215300 18 building, No. 9999 Lake Road, Kunshan Development Zone, Jiangsu, Suzhou Applicant before: Sany Mining Machinery Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141105 |