CN104806748A - Control gear for electric scooptram - Google Patents
Control gear for electric scooptram Download PDFInfo
- Publication number
- CN104806748A CN104806748A CN201510138958.1A CN201510138958A CN104806748A CN 104806748 A CN104806748 A CN 104806748A CN 201510138958 A CN201510138958 A CN 201510138958A CN 104806748 A CN104806748 A CN 104806748A
- Authority
- CN
- China
- Prior art keywords
- gear
- offs
- retrogressing
- retreat
- solenoid valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2306/00—Shifting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
Provided is a control gear for an electric scooptram. A gear assembly of the control gear is connected with an advancing gear switch, a backing gear switch, a second gear switch, a third gear switch and a fourth gear switch, the advancing gear switch is connected with an advancing gear magnetic valve, the backing gear switch is connected with a backing fourth-gear closed relay coil, the backing fourth-gear closed relay coil is connected with a backing gear magnetic valve, the second gear switch is connected with a second gear magnetic valve, the third gear switch is connected with a third gear magnetic valve, the fourth gear switch is connected with a backing fourth-gear closed relay normally-closed point, and the backing fourth-gear closed relay normally-closed point is connected with a fourth-gear magnetic valve. Existing gears are modified to solve the problem that the speed of the electric scooptram is not matched with cable coiling pressure, a 1KV tail cable is often clamped by a cable reel and the cable is rolled by the self wheel tires in the backing process is solved.
Description
Technical field
The present invention relates to electric LHD and control gear circuit field, particularly relate to a kind of electric LHD and control gear.
Background technique
Electric LHD is one of main equipment of mining production, and this equipment cable rolling control system is immature, the speed of a motor vehicle and cable rolling pressure unmatched, in the process of reversing, often occurs the phenomenon that cable rolling dish card 1KV tail cable and cable are rolled by self tire.Impact is produced, and causes certain impact to maintenance safety simultaneously.Therefore someone attempts four gear electromagnetic valve plugs to dismantle, and keep off function and cancel, but because down-hole ore locations is away from drop shaft, during operation, forward velocity is slow, and ore removal efficiency is low, and then can have an impact to production by equipment four.
Summary of the invention
For above problem, the invention provides a kind of electric LHD and control gear, the electric LHD speed of a motor vehicle and cable rolling pressure unmatched are solved to existing gear transformation, in the process of reversing, often occur cable rolling dish card 1KV tail cable and cable by self tire roll etc. problem, for reaching this object, the invention provides a kind of electric LHD and controlling gear, comprising gear assembly, forward gear bit switch, advance gear solenoid valve, retreat gear on-off, retreat gear solenoid valve, 2 gear on-offs, 2 gear solenoid valves, 3 gear on-offs, 3 gear solenoid valves, 4 gear on-offs, 4 gear solenoid valves, retreat 4 gear enclosed relay coils and retreat the normally closed point of 4 gear enclosed relay, described gear assembly connects forward gear bit switch respectively, retreat gear on-off, 2 gear on-offs, 3 gear on-offs and 4 gear on-offs, described forward gear bit switch connects advance gear solenoid valve, described retrogressing gear on-off connects retrogressing 4 and keeps off enclosed relay coil, described retrogressing 4 keeps off enclosed relay coil and connects retrogressing gear solenoid valve, described 2 gear on-offs connect 2 gear solenoid valves, described 3 gear on-offs connect 3 gear solenoid valves, and described 4 gear on-offs connect retrogressing 4 and keep off the normally closed point of enclosed relay, and described retrogressing 4 keeps off the normally closed point of enclosed relay and connects 4 gear solenoid valves.
Further improvement of the present invention, described gear assembly adopts S131 position limit switch, and gear assembly of the present invention generally adopts S131 position limit switch.
The invention provides a kind of electric LHD and control gear, when being equipment ore removal heavy duty retrogressing for causing the reason of this phenomenon, operator's four gear speed accustomed to using, because of the defect of cable rolling system own, the speed of a motor vehicle and cable rolling pressure unmatched, in the process of reversing, often there is the phenomenon that cable rolling dish card 1KV tail cable and cable are rolled by self tire, while control retreats gear speed, ensure that ore removal efficiency shielding retrogressing four keeps off function and leaves advance four and keep off function, namely keep off control logic from original front and back four and change front four rear three control logics into, concrete modification scheme is: install an auxiliary relay additional, relay coil is serially connected in and retreats on shift control circuit, its normally-closed contact is serially connected on four gear control wirings, and on contact, connect a fly-wheel diode, corresponding problem is solved by improving above, improve ore removal efficiency.
Accompanying drawing explanation
Fig. 1 transforms rear electric LHD shift control logic sketch
In figure:
1, gear assembly; 2, forward gear bit switch; 3, advance gear solenoid valve;
4, gear on-off is retreated; 5, gear solenoid valve is retreated; 6,2 gear on-offs;
7,2 gear solenoid valves; 8,3 gear on-offs; 9,3 gear solenoid valves;
10,4 gear on-offs; 11,4 gear solenoid valves; 12,4 gear enclosed relay coils are retreated;
13, the normally closed point of 4 gear enclosed relay is retreated.
Embodiment
Below in conjunction with drawings and Examples, invention is described in detail:
The invention provides a kind of electric LHD and control gear, the electric LHD speed of a motor vehicle and cable rolling pressure unmatched are solved to existing gear transformation, in the process of reversing, often occur cable rolling dish card 1KV tail cable and cable by self tire roll etc. problem.
As an embodiment of the present invention, the invention provides a kind of electric LHD and control gear, comprise gear assembly 1, forward gear bit switch 2, advance gear solenoid valve 3, retreat gear on-off 4, retreat gear solenoid valve 5, 2 gear on-offs 6, 2 gear solenoid valves 7, 3 gear on-offs 8, 3 gear solenoid valves 9, 4 gear on-offs 10, 4 gear solenoid valves 11, retreat 4 gear enclosed relay coils 12 and retreat the normally closed point 13 of 4 gear enclosed relay, described gear assembly 1 connects forward gear bit switch 2 respectively, retreat gear on-off 4, 2 gear on-offs 6, 3 gear on-off 8 and 4 gear on-offs 10, described forward gear bit switch 2 connects advance gear solenoid valve 3, described retrogressing gear on-off 4 connects retrogressing 4 and keeps off enclosed relay coil 12, described retrogressing 4 keeps off enclosed relay coil 12 and connects retrogressing gear solenoid valve 5, described 2 gear on-offs 6 connect 2 gear solenoid valves 7, described 3 gear on-offs 8 connect 3 gear solenoid valves 9, and described 4 gear on-offs 10 connect retrogressing 4 and keep off the normally closed point 13 of enclosed relay, and described retrogressing 4 keeps off the normally closed point 13 of enclosed relay and connects 4 gear solenoid valves 11.
As a kind of best specific embodiment of the present invention, the invention provides a kind of electric LHD and control gear, comprise gear assembly 1, forward gear bit switch 2, advance gear solenoid valve 3, retreat gear on-off 4, retreat gear solenoid valve 5, 2 gear on-offs 6, 2 gear solenoid valves 7, 3 gear on-offs 8, 3 gear solenoid valves 9, 4 gear on-offs 10, 4 gear solenoid valves 11, retreat 4 gear enclosed relay coils 12 and retreat the normally closed point 13 of 4 gear enclosed relay, described gear assembly 1 adopts S131 position limit switch, and gear assembly of the present invention generally adopts S131 position limit switch, and described gear assembly 1 connects forward gear bit switch 2 respectively, retreat gear on-off 4, 2 gear on-offs 6, 3 gear on-off 8 and 4 gear on-offs 10, described forward gear bit switch 2 connects advance gear solenoid valve 3, described retrogressing gear on-off 4 connects retrogressing 4 and keeps off enclosed relay coil 12, described retrogressing 4 keeps off enclosed relay coil 12 and connects retrogressing gear solenoid valve 5, described 2 gear on-offs 6 connect 2 gear solenoid valves 7, described 3 gear on-offs 8 connect 3 gear solenoid valves 9, and described 4 gear on-offs 10 connect retrogressing 4 and keep off the normally closed point 13 of enclosed relay, and described retrogressing 4 keeps off the normally closed point 13 of enclosed relay and connects 4 gear solenoid valves 11.
In Fig. 1, S131 is gear assembly, plays a part to select gear.Shift control logic is as follows:
Advance a gear: forward gear bit switch closes, and advance gear solenoid valve Y304 obtains electric;
Advance two gears: forward gear bit switch, 2 gear on-offs are closed, and advance gear solenoid valve Y304,2 gear solenoid valve Y307 obtain electric;
Ahead three keeps off: forward gear bit switch, 2 gear on-offs, 3 gear on-offs are closed, and advance gear solenoid valve Y304,2 gear solenoid valve Y307,3 gear solenoid valve Y308 obtain electric;
Advance four gears: forward gear bit switch, 2 gear on-offs, 3 gear on-offs, 4. gear on-off close, and advance gear solenoid valve Y304,2 gear solenoid valve Y307,3 gear solenoid valve Y308,4 gear solenoid valve Y309 obtain electric;
Slow astern keeps off: retreat gear on-off and close, and retreats 4 gear enclosed relay coils and obtains electric, retreat the normally closed point of 4 gear enclosed relay and open but do not work, retreat gear solenoid valve Y305 and obtain electric;
Retreat two gears: retreat gear on-off, 2 gear on-offs are closed, retreat 4 gear enclosed relay coils and obtain electric, retreat the normally closed point of 4 gear enclosed relay and open but do not work, retrogressing gear solenoid valve Y305,2 gear solenoid valve Y307 obtain electric;
Retreat three gears: retrogressing gear on-off, 2 gear on-offs, 3 gear on-offs close, retreating 4 gear enclosed relay coils obtains electric, retreat 4 gear enclosed relay normally closed points open but do not work, retreat gear solenoid valve Y305,2 gear solenoid valve Y307 obtain electric, 3 gear solenoid valve Y308 and obtain electric;
Retreat four to keep off: retrogressing gear on-off, 2 gear on-offs, 3 gear on-offs, 4 gear on-offs are closed, retreat 4 gear enclosed relay coils and obtain electric, retrogressing 4 keeps off the normally closed point of enclosed relay and opens, and 4 gear solenoid valve Y309 must not be electric; Can only realize retreating gear solenoid valve Y305,2 gear solenoid valve Y307,3 gear solenoid valve Y308 obtain electric;
Principle illustrates: after transformation, and when using retrogressing gear, relay K 1 coil obtains electric, and its normally-closed contact be serially connected on four gear electromagnetic valve coil loops disconnects, and now equipment does not have four gears; During use forward gear, equipment normally has four gears, thus realizes " after front four three " shift control logic.
The above is only preferred embodiment of the present invention, is not restriction the present invention being made to any other form, and any amendment done according to technical spirit of the present invention or equivalent variations, still belong to the present invention's scope required for protection.
Claims (2)
1. electric LHD is with controlling a gear, comprises gear assembly (1), forward gear bit switch (2), advance gear solenoid valve (3), retreat gear on-off (4), retreat gear solenoid valve (5), 2 gear on-offs (6), 2 gear solenoid valves (7), 3 gear on-offs (8), 3 gear solenoid valves (9), 4 gear on-offs (10), 4 gear solenoid valves (11), retreat 4 gears enclosed relay coil (12) and retreat the normally closed point (13) of 4 gear enclosed relay, it is characterized in that: described gear assembly (1) connects forward gear bit switch (2) respectively, retreat gear on-off (4), 2 gear on-offs (6), 3 gear on-offs (8) and 4 gear on-offs (10), described forward gear bit switch (2) connects advance gear solenoid valve (3), described retrogressing gear on-off (4) connects retrogressing 4 and keeps off enclosed relay coil (12), described retrogressing 4 keeps off enclosed relay coil (12) and connects retrogressing gear solenoid valve (5), described 2 gear on-offs (6) connect 2 gear solenoid valves (7), described 3 gear on-offs (8) connect 3 gear solenoid valves (9), described 4 gear on-offs (10) connect retrogressing 4 and keep off the normally closed point (13) of enclosed relay, and described retrogressing 4 keeps off the normally closed point (13) of enclosed relay and connects 4 gear solenoid valves (11).
2. a kind of electric LHD according to claim 1 controls gear, it is characterized in that: described gear assembly (1) adopts S131 position limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138958.1A CN104806748A (en) | 2015-03-27 | 2015-03-27 | Control gear for electric scooptram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138958.1A CN104806748A (en) | 2015-03-27 | 2015-03-27 | Control gear for electric scooptram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104806748A true CN104806748A (en) | 2015-07-29 |
Family
ID=53691839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510138958.1A Pending CN104806748A (en) | 2015-03-27 | 2015-03-27 | Control gear for electric scooptram |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104806748A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757918A (en) * | 2018-05-24 | 2018-11-06 | 黄伟 | The control method of electric vehicle multi-gear transmission |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1318238A (en) * | 1970-01-20 | 1973-05-23 | Zahnradfabrik Friedrichshafen | Electro-hydraulic control devices for power plants more particularly for motor vehicles |
| GB2189052B (en) * | 1986-03-06 | 1990-03-28 | Voith Gmbh J M | Control mechanism for a number of control valves preferably for a change speed gear |
| US5239896A (en) * | 1989-11-06 | 1993-08-31 | Aisin Aw Co., Ltd. | Hydraulic servomechanism control system in automatic transmission |
| CN201661677U (en) * | 2010-04-02 | 2010-12-01 | 中煤能源黑龙江煤化工有限公司 | Engineering machine and gear controller thereof |
| CN102152739A (en) * | 2011-02-28 | 2011-08-17 | 中国北方车辆研究所 | Emergent gear shift device |
| CN102705505A (en) * | 2012-06-19 | 2012-10-03 | 中联重科股份有限公司 | Engineering vehicle control equipment, control method and engineering vehicle |
| CN203285972U (en) * | 2013-06-07 | 2013-11-13 | 江苏柳工机械有限公司 | Electric-control gear shifting control system of loader |
| CN203743406U (en) * | 2014-02-26 | 2014-07-30 | 南京梅山冶金发展有限公司 | Manual operation and automatic operation integrated shift controlling device used for carry-scraper |
-
2015
- 2015-03-27 CN CN201510138958.1A patent/CN104806748A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1318238A (en) * | 1970-01-20 | 1973-05-23 | Zahnradfabrik Friedrichshafen | Electro-hydraulic control devices for power plants more particularly for motor vehicles |
| GB2189052B (en) * | 1986-03-06 | 1990-03-28 | Voith Gmbh J M | Control mechanism for a number of control valves preferably for a change speed gear |
| US5239896A (en) * | 1989-11-06 | 1993-08-31 | Aisin Aw Co., Ltd. | Hydraulic servomechanism control system in automatic transmission |
| CN201661677U (en) * | 2010-04-02 | 2010-12-01 | 中煤能源黑龙江煤化工有限公司 | Engineering machine and gear controller thereof |
| CN102152739A (en) * | 2011-02-28 | 2011-08-17 | 中国北方车辆研究所 | Emergent gear shift device |
| CN102705505A (en) * | 2012-06-19 | 2012-10-03 | 中联重科股份有限公司 | Engineering vehicle control equipment, control method and engineering vehicle |
| CN203285972U (en) * | 2013-06-07 | 2013-11-13 | 江苏柳工机械有限公司 | Electric-control gear shifting control system of loader |
| CN203743406U (en) * | 2014-02-26 | 2014-07-30 | 南京梅山冶金发展有限公司 | Manual operation and automatic operation integrated shift controlling device used for carry-scraper |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757918A (en) * | 2018-05-24 | 2018-11-06 | 黄伟 | The control method of electric vehicle multi-gear transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150729 |