CN206528341U - Underground carry scraper transmission system - Google Patents
Underground carry scraper transmission system Download PDFInfo
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- CN206528341U CN206528341U CN201621117197.8U CN201621117197U CN206528341U CN 206528341 U CN206528341 U CN 206528341U CN 201621117197 U CN201621117197 U CN 201621117197U CN 206528341 U CN206528341 U CN 206528341U
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- rotating speed
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- entire car
- car controller
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 41
- 238000001816 cooling Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 230000009347 mechanical transmission Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model provides a kind of underground carry scraper transmission system, including gearbox, gearbox control and entire car controller, wherein, the entire car controller gathers the travel information of the gas pedal of the underground carry scraper, and the travel information is transferred into the gearbox control；The gearbox control calculates the rotating speed of target of the traction motor needed according to the travel information, and the rotating speed of target is transferred into the entire car controller；The entire car controller also receives the rotating speed of target, and controls the traction motor adjustment rotating speed to reach the rotating speed of target.The utility model can save torque-converters, and the whole efficiency of transmission system is improved into 20% or so.
Description
Technical field
The utility model is related to transmission system, it is more particularly to a kind of without torque-converters, engineering machinery can be applied to and
The transmission system of the underground carry scraper in mining machinery field.
Background technology
The transmission system of underground carry scraper is generally divided into hydraulic mechanical transmission system and the big type of static hydraulic drive system two,
General dipper capacity is in 1m3Scraper above all uses hydraulic mechanical transmission system, and dipper capacity is in 1m3Under scraper
Major part uses static hydraulic drive system.
Hydraulic mechanical transmission system can make full use of the power of engine, and automatic adaptation external resistance within the specific limits
Change, carry out stepless speed regulation.When external resistance increases suddenly, engine can be avoided to overload and parts are damaged, smooth operation,
Reliable operation.
Fig. 1 show the typical drive path of hydraulic mechanical transmission system.Transmission system uses gearbox and hydraulic machine
The transmission system that torque-converters is combined, fluid torque-converter is located between engine and gearbox, using gear-box lubricating oil as work
Medium, with the effect of automatic torque-changing, speed change, vibrationproof vibration isolation, good startability and force moment protection.When transmission system is shifted gears,
Because the input speed and the difference of traction motor actual speed that gearbox needs caused by the suddenly change of gearratio are produced
Impact absorbed by torque-converters.
Because torque-converters operation principle requirement and design feature, during hydraulic power can along with hydraulic losses,
Mechanical loss and volumetric loss etc., so there is its highest transmission efficiency of the transmission system of torque-converters typically there was only 85%-92%.
Utility model content
The purpose of this utility model is, is that engineering machinery and mining machinery provide a kind of efficient, energy-conservation, with automatic change
The transmission system of fast function.
Underground carry scraper transmission system of the present utility model, including gearbox, gearbox control and full-vehicle control
Device, wherein, the entire car controller gathers the travel information of the gas pedal of the underground carry scraper, and by the travel information
It is transferred to the gearbox control；It is electronic that the gearbox control calculates the traction needed according to the travel information
The rotating speed of target of machine, and the rotating speed of target is transferred to the entire car controller；The entire car controller also receives the mesh
Rotating speed is marked, and controls the traction motor adjustment rotating speed to reach the rotating speed of target.
Further, the entire car controller gather the gas pedal represent the scope of its stroke change for 0.5V~
4.5V voltage signal, is then converted to scope by scope according to linear corresponding relation for the 0.5V~4.5V voltage signal
For 0~100% numerical value, and the gearbox control is given by the data transfer；The gearbox control is according to linear
Corresponding relation is that 0~100% numerical computations scope is 0~2500 rev/min of the rotating speed of target according to scope.
Further, in addition to gear-box, the gear-box is defeated by the hydraulic drive motor of the underground carry scraper
Go out to be converted to two-way and be respectively outputted to two hydraulic pumps, to be respectively that executing agency and cooling/lubricating system provide power.It is described
Executing agency includes brakes, steering, moved arm lifting system and scraper bowl upset system.
Underground carry scraper transmission system of the present utility model, passes through program between gearbox control and entire car controller
Mutual cooperation effectively eliminates the vibration and impact that gearbox is produced in shift process and realizes automatic gear change function, so as to save
Hydraulic mechanical torque converter is gone, the whole efficiency of transmission system is improved more than 10%.
Brief description of the drawings
Fig. 1 is the structural representation of the underground carry scraper transmission system of prior art；
Fig. 2 is the structural representation of underground carry scraper transmission system of the present utility model.
Embodiment
Further is made to underground carry scraper transmission system of the present utility model with reference to the accompanying drawings and detailed description
It is described in detail, but is limited not as to of the present utility model.
The utility model provides a kind of underground carry scraper transmission system, as shown in Fig. 2 including gearbox 2, gearbox control
Device 3 and entire car controller 1 processed, underground carry scraper include gas pedal 4 and traction motor 8 etc..Wherein, gas pedal 4 will
Its travel information is transferred to entire car controller 1；Travel information is transferred to gearbox control 3 by entire car controller 1；Gearbox control
Device 3 processed calculates the rotating speed of target of the traction motor 8 needed according to travel information, and the rotating speed of target is transferred into full-vehicle control
Device 1；Entire car controller 1 receives rotating speed of target, and controls traction motor 8 to adjust rotating speed to reach the rotating speed of target.
As a kind of embodiment, gas pedal 4 changed according to its stroke export voltage signal from 0.5V to 4.5V to
Entire car controller 1, the foundation changed as the output speed of traction motor 8.Entire car controller 1 is according to the expression throttle received
The voltage signal of the stroke of pedal, converted thereof into according to linear corresponding relation 0~100% numerical value, then the numerical value pass
Gearbox control 3 is passed, gearbox control 3 obtains traction motor 8 according to the numerical value, according to linear corresponding relation to be needed
The rotating speed of target of output, the scope of rotating speed of target is 0~2500 rev/min, and the rotating speed of target is returned into entire car controller
1.Entire car controller 1 controls the rotating speed of traction motor 8 according to the rotating speed of target, to reach the rotating speed of target.
Entire car controller 1 will represent gas pedal 4 stroke change scope for 0.5V~4.5V voltage signal according to
Linear corresponding relation is converted to the numerical value that scope is 0~100%, and one embodiment is：0.5V correspondence numerical value 0,4.5V pairs
Numerical value 100% is answered, the voltage signal of other sizes is according to linear relationship correspondence, for example, mV voltage signal, corresponding numerical value is big
Small is n%=(m-0.5)/(4.5-0.5) * 100%.
Gearbox control 3 according to linear corresponding relation by the numerical computations that scope is 0~100% be scope be 0~
One embodiment of 2500 revs/min of rotating speed of target is：0 rev/min of the rotating speed of target of correspondence of numerical value 0, the correspondence of numerical value 100%
2500 revs/min of rotating speed of target, the numerical value of other sizes is according to linear relationship correspondence, for example, n% numerical values recited is calculated
Rotating speed of target be x revs/min, wherein x=n%/100%*2500.
Entire car controller 1 control traction motor 8 change rotating speed specific method be：Rotating speed of target is transmitted to drawing electricity
The inverter 12 that motivation 8 is connected, the rotating speed of traction motor 8 is adjusted by adjusting the output frequency of inverter 12, so that
So that traction motor 8 reaches rotating speed of target.
When transmission system is shifted gears, because of the input speed of gearbox needs and traction caused by the suddenly change of gearratio
Had differences between motor actual speed, the underground carry scraper transmission system of prior art is to absorb this by torque-converters
The impact that difference is produced.And underground carry scraper transmission system of the present utility model, by the way that directly adjustment is drawn in a short time
The output speed of motor is to cause the input speed of gearbox to reach requirement, so that the input the need for eliminating because of gearbox turns
Difference between speed and actual input speed and the impact produced, so as to save the setting of torque-converters in transmission system,
Realize the effect for the transmission efficiency for improving transmission system.It is demonstrated experimentally that underground carry scraper transmission system of the present utility model, can
The whole efficiency of transmission system is improved 20% or so.
Further, gearbox control 3 is believed always according to the current rotating speed of traction motor 8 and the stroke of gas pedal 4
Breath calculates the target gear of gearbox 2.In the case where gearbox 2 is self shifter pattern, gearbox control 3 is according to the mesh
The gear control conversion gear of gearbox 2 is marked, to reach the target gear.And if gearbox 2 is manual shift mode, then speed change
Case controller 3 makes vehicle be maintained at gear traveling according to the position of shift handle 6.
The pattern information (being self shifter pattern or manual shift mode) of gearbox 2 is passed by entire car controller 1
It is defeated by gearbox control 3.The power output of gearbox 2 is for providing the power for advancing, retreating to vehicle in Fig. 2.
With continued reference to Fig. 2, to illustrate in transmission system of the present utility model, the transmission means of data.In fig. 2, it is real
Line connecting line represents the transmission of data-signal, and dashed connection line represents the transmission of electric energy or mechanical energy；Solid box represents this practicality
The part of new transmission system, dotted line frame represents the part outside transmission system in vehicle.
Entire car controller 1 meets two kinds of communications protocol of SAE J1939 and CAN Open simultaneously, and data are served as within the system
The effect of exchange.It transmits data between gearbox control 3 by SAE J1939 communications protocol, and in transmission system
Other component units, such as between inverter 9,12, data are transmitted by CAN Open communications protocol.For example, vehicle control
By SAE J1939 agreements between device 1 and gearbox control 3 processed, by the stroke of gas pedal 4, traction motor 8 it is current
The information such as the rotating speed of target required for rotating speed, the output speed of gearbox 2, gearbox 2 are transmitted；Meanwhile, gearbox control
Device 3 is transmitted the gear information of gearbox 2, output speed information, temperature information, fault message etc. by SAE J1939 agreements
To entire car controller 1, the input for the control start as vehicle, run, stopping etc..
With continued reference to Fig. 2, underground carry scraper of the present utility model also includes drive hydraulic motor 13, and its transmission system is also wrapped
Gear-box 7 is included, the output of drive hydraulic motor 13 is converted to two-way and is respectively outputted to two hydraulic pumps 10,11 by gear-box 7, with
Respectively executing agency, cooling/lubricating system provide power.The executing agency of underground carry scraper includes brakes, steering system
System, moved arm lifting system, scraper bowl upset system etc..
In addition, the braking procedure of transmission system of the present utility model is related to the stroke of brake pedal 5.Brake pedal 5
Change according to its stroke, export 0.5V to 4.5V voltage signal to entire car controller 1, be used as the anti-dragged brake of traction motor 8
Input signal.The anti-dragged brake of traction motor 8, which can be converted to the kinetic energy in vehicle braking procedure electric energy and store, arrives battery
Bao Zhong.Entire car controller 1 is when the stroke for detecting brake pedal 5 reaches 50%, and hydraulic braking starts intervention, to accelerate vehicle
Braking procedure.
Above embodiment is only illustrative embodiments of the present utility model, it is impossible to be used in limit this practicality new
Type, protection domain of the present utility model is defined by the claims.Those skilled in the art can be in essence of the present utility model
In protection domain, various modifications or equivalent substitution are made to the utility model, these modifications or equivalent substitution also should be regarded as
In protection domain of the present utility model.
Claims (4)
1. a kind of underground carry scraper transmission system, it is characterised in that including gearbox, gearbox control and full-vehicle control
Device, wherein,
The entire car controller gathers the travel information of the gas pedal of the underground carry scraper, and the travel information is transmitted
To the gearbox control；
The gearbox control calculates the rotating speed of target of the traction motor needed according to the travel information, and by the mesh
Mark rotating speed is transferred to the entire car controller；
The entire car controller also receives the rotating speed of target, and controls the traction motor adjustment rotating speed to reach the mesh
Mark rotating speed.
2. underground carry scraper transmission system according to claim 1, it is characterised in that
The voltage that the scope for representing the change of its stroke that the entire car controller gathers the gas pedal is 0.5V~4.5V is believed
Number, it is 0~100% that the voltage signal that scope is 0.5V~4.5V then is converted into scope according to linear corresponding relation
Numerical value, and give the gearbox control by the data transfer；
The numerical computations scope that the gearbox control is 0~100% according to scope according to linear corresponding relation is 0~
2500 revs/min of the rotating speed of target.
3. underground carry scraper transmission system according to claim 1, it is characterised in that also including gear-box, the gear
The output of the hydraulic drive motor of the underground carry scraper is converted to two-way and is respectively outputted to two hydraulic pumps by case, with respectively
It is that executing agency and cooling/lubricating system provide power.
4. underground carry scraper transmission system according to claim 3, it is characterised in that the executing agency includes braking system
System, steering, moved arm lifting and scraper bowl upset system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117197.8U CN206528341U (en) | 2016-10-12 | 2016-10-12 | Underground carry scraper transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117197.8U CN206528341U (en) | 2016-10-12 | 2016-10-12 | Underground carry scraper transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206528341U true CN206528341U (en) | 2017-09-29 |
Family
ID=59922628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621117197.8U Active CN206528341U (en) | 2016-10-12 | 2016-10-12 | Underground carry scraper transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206528341U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347118A (en) * | 2016-10-12 | 2017-01-25 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Driving system for underground scraper |
| CN109532444A (en) * | 2019-01-09 | 2019-03-29 | 湖北金诚信矿业服务有限公司 | A kind of electric LHD |
| CN109624680A (en) * | 2018-12-07 | 2019-04-16 | 湖北金诚信矿业服务有限公司 | A kind of electric LHD |
-
2016
- 2016-10-12 CN CN201621117197.8U patent/CN206528341U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347118A (en) * | 2016-10-12 | 2017-01-25 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Driving system for underground scraper |
| CN109624680A (en) * | 2018-12-07 | 2019-04-16 | 湖北金诚信矿业服务有限公司 | A kind of electric LHD |
| CN109532444A (en) * | 2019-01-09 | 2019-03-29 | 湖北金诚信矿业服务有限公司 | A kind of electric LHD |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210038 Hengtai Road, Nanjing economic and Technological Development Zone, Nanjing, Jiangsu Province, No. 2 Patentee after: An Bai Tuo (Nanjing) Construction Mine Equipment Co., Ltd. Address before: 210038 Hengtai Road, Nanjing economic and Technological Development Zone, Nanjing, Jiangsu Province, No. 2 Patentee before: Atlas Copco (Nanjing) Construction & Mining Equipment Ltd. |
|
| CP01 | Change in the name or title of a patent holder |