CN208935082U - A kind of Battery-driven Monorail Main Parameters locomotive and its hydraulic station - Google Patents
A kind of Battery-driven Monorail Main Parameters locomotive and its hydraulic station Download PDFInfo
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- CN208935082U CN208935082U CN201821319486.5U CN201821319486U CN208935082U CN 208935082 U CN208935082 U CN 208935082U CN 201821319486 U CN201821319486 U CN 201821319486U CN 208935082 U CN208935082 U CN 208935082U
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- oil pump
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Abstract
The utility model discloses a kind of hydraulic stations, for monorail crane locomotive, including fuel tank, oil pump and the motor to drive oil pump, the outlet of oil pump is equipped with the pressure sensor to measuring system pressure, it further include the control device being connected with pressure sensor, when system pressure reaches upper pressure limit, the revolving speed of motor is reduced to standby revolving speed by control device.Control device is equipped in hydraulic station provided by the utility model, control device controls the revolving speed of motor according to system pressure, when system pressure reaches upper pressure limit, make to operate under the standby revolving speed of motor, motor frequent start-stop is avoided, power consumption is reduced, extends motor service life.
Description
Technical field
The utility model relates to Transport Machinery technical field, in particular to a kind of hydraulic station.The utility model further relates to one
Kind includes the Battery-driven Monorail Main Parameters locomotive of above-mentioned hydraulic station.
Background technique
Monorail crane is a kind of important Transport Machinery, is widely used in the small spaces such as tunnel, mine, can be along outstanding
It is mobile to hang over track above tunnel or mine, have many advantages, such as that transport is flexible, occupy little space, conevying efficiency it is high.With right
In the continuous improvement that locomotive emissions require, underground mostly uses Battery-driven Monorail Main Parameters locomotive, and the cruising ability of battery then becomes
Judge the important indicator of monorail crane locomotive performance.
Monorail crane locomotive has hydraulic control system, and the motor that existing Battery-driven Monorail Main Parameters locomotive uses drives oil pump
Form forms hydraulic station, provides power as hydraulic control system.And during hydraulic control system is run, motor is frequent
Start and stop cause hydraulic station to consume a large amount of electric energy, reduce the cruising ability of battery.
Therefore, how the power consumption of hydraulic station is those skilled in the art's technical issues that need to address.
Utility model content
The purpose of the utility model is to provide a kind of hydraulic station, motor is not necessarily to frequent starting, reduce power consumption compared with
It is low, and then can be improved the cruising ability of battery.It includes above-mentioned hydraulic station that the another object of the utility model, which is to provide a kind of,
Battery-driven Monorail Main Parameters locomotive.
To achieve the above object, the utility model provides a kind of hydraulic station, is used for monorail crane locomotive, including fuel tank, oil pump
And the motor to drive the oil pump, the outlet of the oil pump are equipped with the pressure sensor to measuring system pressure, also
Including the control device being connected with the pressure sensor, when system pressure reaches upper pressure limit, the control device is by institute
The revolving speed for stating motor is reduced to standby revolving speed.
Preferably, the motor is permanent magnet DC motor.
Preferably, the control device includes the first enforcement division, and first enforcement division is connected with the pressure sensor,
When system pressure rises to upper pressure limit, first enforcement division controls the motor speed and drops to standby revolving speed.
Preferably, the control device further includes the second enforcement division, when system pressure drops to low pressure limit, described
Two enforcement divisions control the motor and improve to rated speed.
Preferably, the oil pump is also connected with the solenoid valve to switch normal traveling mode and lifting pattern, when the electricity
When magnet valve is located at normal traveling mode, the control device controls the revolving speed of the motor according to system pressure；When the electromagnetism
When valve is located at lifting pattern, the revolving speed of the motor is rated speed.
Preferably, the outlet of the oil pump is additionally provided with accumulator.
Preferably, the accumulator entrance is equipped with the Manual relief valve to Load Relief System pressure.
Preferably, the outlet of the oil pump is equipped with the first safety valve and the second safety valve, and first safety valve is preset
Pressure is equal to upper pressure limit, and the preset pressure of second safety valve is greater than upper pressure limit.
The utility model additionally provides a kind of Battery-driven Monorail Main Parameters locomotive, including any one of the above hydraulic station.
Hydraulic station in the prior art drives oil pump rotation, the pressurising into hydraulic system, when system pressure reaches by motor
To after preset maximum pressure, motor shuts down, and system enters state of pressure keeping, until system pressure be reduced to it is preset minimum
After pressure, motor is again started up as system pressurising, and the pressure consumption of hydraulic system is very fast, causes the frequent start-stop of motor.Motor
Starting current be 4~7 times of rated current, motor frequent starting can consume a large amount of electric energy, seriously affect the continuation of the journey of battery
Ability.
Hydraulic station provided by the utility model includes control device, when pressure sensor detects that system pressure reaches pressure
When the power upper limit, motor speed is reduced to standby revolving speed by control device, and it is remote that motor operates consumed electricity under standby revolving speed
Less than electricity consumed by motor start and stop.On the one hand, electric energy consumed by motor low-speed running is significantly less than frequent starting and is disappeared
The electric energy of consumption improves the cruising ability of battery；On the other hand, making for motor can be improved in the initiation culture for reducing motor
Use the service life.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the hydraulic structure schematic diagram of hydraulic station provided by the utility model；
Fig. 2 is the flow diagram of motor control in the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the hydraulic structure schematic diagram of hydraulic station provided by the utility model；Fig. 2 is this
The flow diagram of motor control in utility model.
Hydraulic station provided by the utility model is in the hydraulic control system of Battery-driven Monorail Main Parameters locomotive, structure to be such as
Shown in Fig. 1, including fuel tank 1, gear pump 3 and the motor 2 being connected with gear pump 3.Gear pump 3 is under the drive of motor 2 from oil
Hydraulic oil is extracted in case 1, and in input hydraulic pressure system, the outlet of gear pump 3 is equipped with check valve 5, avoids the liquid in hydraulic system
Pressure oil anti-channeling enters in fuel tank 1.The way of escape of check valve 5 is equipped with pressure sensor 4, and pressure sensor 4 is for measuring hydraulic system
System pressure.Hydraulic station further includes control device, and control device is connected with pressure sensor 4, and controls electricity according to system pressure
The revolving speed of machine 2.When system pressure reaches upper pressure limit, the revolving speed of motor 2 is reduced to standby revolving speed by control device.Certainly,
Hydraulic station can also be used as oil pump using load-sensing pressure control variable pump etc..
Motor 2 can be specially permanent magnet DC motor 2, permanent magnet DC motor 2 have high output torque, good dustproof effect and
The advantages that energy-saving effect is good is usually mixed with a large amount of dusts, the good dustproof effect of permanent magnet DC motor 2, phase in air under mine
There is longer service life than other motors 2.Certainly, user can also select the adjustable motor 2 of other revolving speeds, example as needed
Such as frequency control motor 2.
Control device can be specially single-chip microcontroller, MCU controller etc., and operator can be preset hydraulic in control device
The upper pressure limit of system, minimum pressure needed for upper pressure limit is greater than the normal traveling mode of hydraulic system.When system pressure reaches
When upper pressure limit, the revolving speed of motor 2 is reduced to standby revolving speed by control device, and standby revolving speed can be motor 2 in non-stop-machine feelings
Lower attainable minimum speed of condition, 2 output power of motor is minimum at this time, and power consumption is small.
In the present embodiment, hydraulic station is equipped with control device, and control device can control the revolving speed of motor 2, work as hydraulic system
When reaching upper pressure limit, 2 revolving speed of motor is reduced to standby revolving speed by control device, avoids 2 frequent start-stop of motor, is reduced electric energy and is disappeared
Consumption.
Control device includes the first enforcement division, and the first enforcement division is connected with pressure sensor 4, and pressure sensor 4 will measure
Obtained system pressure is transferred to the first enforcement division, the first enforcement division comparison system pressure and preset upper pressure limit size, when
When system pressure is greater than or equal to upper pressure limit, the first enforcement division control 2 revolving speed of motor drops to standby revolving speed.
Optionally, control device further includes the second enforcement division, the second enforcement division and pressure sensor 4 or the first enforcement division phase
Even, the size of the second enforcement division comparison system pressure and preset low pressure limit, under system pressure is less than or equal to pressure
In limited time, the second enforcement division control motor 2 is improved to rated speed.
Obvious upper pressure limit is greater than low pressure limit, and low pressure limit is typically larger than needed for the normal traveling mode of hydraulic system most
Low-pressure.In a kind of specific embodiment of the application, minimum pressure needed for the normal traveling mode of hydraulic system is 8Mpa,
Preset low pressure limit is 10Mpa, preset upper pressure limit position 16Mpa.Control flow such as Fig. 2 of the normal traveling mode of motor 2
Shown, when hydraulic station starts for the first time, 2 revolving speed of motor is gradually increasing as hydraulic system pressurising, when system pressure reaches 8Mpa, list
Rail loop wheel machine vehicle reaches operating condition, and hydraulic system can control the operations such as locomotive executes contact braking, extrusion oil cylinder clamps.Motor
2 continuous runnings, when system pressure reaches 16Mpa, 2 revolving speed of motor is reduced to standby revolving speed 100rpm by the first enforcement division, electricity
Machine 2 slowly runs, and carries out system pressure maintaining.When system pressure is reduced to 10Mpa, the second enforcement division controls 2 revolving speed of motor and is promoted
It is system pressurising to rated speed, until system pressure reaches 16Mpa.First enforcement division and the second enforcement division collective effect, will
System pressure maintains 10Mpa to the normal operation between 16Mpa, guaranteeing hydraulic system.Certain user can as needed voluntarily
The numerical value of upper pressure limit, low pressure limit and standby revolving speed is selected, it is not limited here.
Monorail crane locomotive has two kinds of operating modes of normal traveling mode and lifting pattern, and the outlet of oil pump is connected with solenoid valve
71, solenoid valve 71 is for switching the normal traveling mode of monorail crane locomotive and lifting pattern, as shown in Figure 1, solenoid valve 71 can be specific
For two-position four-way solenoid directional control valve, the position of solenoid valve 71 is the position of the normal traveling mode of monorail crane locomotive in Fig. 1.
Specifically, monorail crane locomotive switch to the control flow of lifting pattern as shown in Fig. 2, when solenoid valve 71 it is electric when,
73 power loss of the first solenoid directional control valve 72 and the second solenoid directional control valve in hydraulic system, locomotive are transferred to lifting pattern, control at this time
Device does not adjust 2 revolving speed of motor further according to system pressure measured by pressure sensor 4, and the measured value of pressure sensor 4 is only used
In instruction system pressure；Solenoid valve 71 it is electric after, Oil pump electrical machinery 2 is risen to rated speed by control device, is provided for tackling system
Enough oil masses and pressure duty.Certainly, after 71 power loss of solenoid valve, locomotive is transferred to normal traveling mode, and control device continues basis
System pressure adjusts 2 revolving speed of motor.
In the present embodiment, control device includes that the first enforcement division and the second enforcement division, the two maintain system pressure
10Mpa is to the closed-loop control between 16Mpa, realizing system pressure.It further include solenoid valve 71 in hydraulic station, solenoid valve 71 is by locomotive
After switching to lifting pattern, control device does not adjust 2 revolving speed of motor, electricity further according to system pressure measured by pressure sensor 4
Machine 2 operates under rated speed.
It optionally, is the frequency for further decreasing 2 rotational speed regulation of motor, the outlet of oil pump is additionally provided with accumulator 8, such as Fig. 1
Shown, accumulator 8 is located at after check valve 5, and when oil pump is hydraulic system pressurising, accumulator 8 can be carried out storage for hydraulic,
And hydraulic energy is discharged in oil pump low-speed running, the speed of relieving system pressure reduction plays pressure maintaining effect.
8 entrance of accumulator is equipped with Manual relief valve 9, and opening Manual relief valve 9 can be with Load Relief System pressure and accumulator 8
Pressure.When needing replacing accumulator 8, operator opens Manual relief valve 9, will replace after discharge degree, and hand is arranged
Dynamic unloading valve 9 can be avoided hypertonia in accumulator 8, damage to the operator for carrying out disassembling section, improve hydraulic
The safety stood.
In addition, preventing system overpressure for the safety for ensureing hydraulic system, the outlet of oil pump is equipped with the first safety valve 61, the
The preset pressure of one safety valve 61 is equal to upper pressure limit, when system pressure is more than upper pressure limit, 61 take-off of the first safety valve.For
It avoids the first safety valve 61 from failing, leads to system overpressure, the outlet of oil pump is additionally provided with the second safety valve 62, the second safety valve 62
Preset pressure is greater than upper pressure limit.The protection pressure of hydraulic system, pressure value may be selected in the preset pressure of second safety valve 62
It can be specially 20Mpa.
In the present embodiment, hydraulic pump outlet is equipped with accumulator 8, and accumulator 8 can store hydraulic energy, when hydraulic system enters
When state of pressure keeping, accumulator 8 can slow release hydraulic energy, supplement Hydraulic Elements leakage caused by the pressure loss, slow down pressure
Decrease speed is further reduced the energy consumption of hydraulic station to achieve the purpose that reduce by 2 rotational speed regulation frequency of motor, extends electric power storage
The cruising ability in pond.
The utility model additionally provides a kind of Battery-driven Monorail Main Parameters locomotive, including any one of the above hydraulic station；Battery
The other parts of monorail crane locomotive can refer to the prior art, and details are not described herein.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Battery-driven Monorail Main Parameters locomotive provided by the utility model and its hydraulic station are described in detail above.Herein
In apply specific case the principles of the present invention and embodiment be expounded, the explanation of above embodiments is only used
The method and its core concept of the utility model are understood in help.It should be pointed out that for those skilled in the art
For, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these
Improvement and modification are also fallen into the protection scope of the utility model claims.
Claims (9)
1. a kind of hydraulic station is used for monorail crane locomotive, which is characterized in that including fuel tank (1), oil pump and to drive the oil
The motor (2) of pump, the outlet of the oil pump are equipped with the pressure sensor (4) to measuring system pressure, further include and the pressure
Force snesor (4) is connected, when system pressure reaches upper pressure limit, the revolving speed of the motor (2) is reduced to standby turn
The control device of speed.
2. hydraulic station according to claim 1, which is characterized in that the motor (2) is permanent magnet DC motor (2).
3. hydraulic station according to claim 2, which is characterized in that the control device includes and the pressure sensor
(4) for being connected, dropping to standby revolving speed when system pressure rises to upper pressure limit, to control the motor (2) revolving speed
One enforcement division.
4. hydraulic station according to claim 3, which is characterized in that the control device further includes to when under system pressure
When being down to low pressure limit, controls the motor (2) and improve to the second enforcement division of rated speed.
5. hydraulic station according to claim 4, which is characterized in that the oil pump is also connected with to switch normal traveling mode
With the solenoid valve (7) of lifting pattern.
6. according to claim 1 to hydraulic station described in 5 any one, which is characterized in that the outlet of the oil pump is additionally provided with storage
It can device (8).
7. hydraulic station according to claim 6, which is characterized in that accumulator (8) entrance is equipped with to Load Relief System
The Manual relief valve (9) of pressure.
8. hydraulic station according to claim 6, which is characterized in that the outlet of the oil pump be equipped with the first safety valve (61) and
The preset pressure of second safety valve (62), first safety valve (61) is equal to upper pressure limit, second safety valve (62)
Preset pressure is greater than upper pressure limit.
9. a kind of Battery-driven Monorail Main Parameters locomotive, which is characterized in that including hydraulic station described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821319486.5U CN208935082U (en) | 2018-08-15 | 2018-08-15 | A kind of Battery-driven Monorail Main Parameters locomotive and its hydraulic station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821319486.5U CN208935082U (en) | 2018-08-15 | 2018-08-15 | A kind of Battery-driven Monorail Main Parameters locomotive and its hydraulic station |
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| CN208935082U true CN208935082U (en) | 2019-06-04 |
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| CN201821319486.5U Active CN208935082U (en) | 2018-08-15 | 2018-08-15 | A kind of Battery-driven Monorail Main Parameters locomotive and its hydraulic station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436343A (en) * | 2019-08-30 | 2019-11-12 | 中国矿业大学 | The electric-hydraulic combined drive system of Battery-driven Monorail Main Parameters and the adaptive clamping means of driving wheel |
| DE102022120983A1 (en) | 2022-08-19 | 2024-02-22 | Smt Scharf Gmbh | Method for operating a friction wheel pressure system of a hydraulically driven monorail monorail |
-
2018
- 2018-08-15 CN CN201821319486.5U patent/CN208935082U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436343A (en) * | 2019-08-30 | 2019-11-12 | 中国矿业大学 | The electric-hydraulic combined drive system of Battery-driven Monorail Main Parameters and the adaptive clamping means of driving wheel |
| CN110436343B (en) * | 2019-08-30 | 2020-06-16 | 中国矿业大学 | Storage battery monorail crane electro-hydraulic compound driving system and driving wheel self-adaptive clamping method |
| WO2021037093A1 (en) * | 2019-08-30 | 2021-03-04 | 中国矿业大学 | Electro-hydraulic composite driving system for storage battery monorail crane and self-adaptive clamping method for driving wheel |
| DE102022120983A1 (en) | 2022-08-19 | 2024-02-22 | Smt Scharf Gmbh | Method for operating a friction wheel pressure system of a hydraulically driven monorail monorail |
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