CN107628540A - Monorail crane locomotive fluid power system - Google Patents
Monorail crane locomotive fluid power system Download PDFInfo
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- CN107628540A CN107628540A CN201610571507.1A CN201610571507A CN107628540A CN 107628540 A CN107628540 A CN 107628540A CN 201610571507 A CN201610571507 A CN 201610571507A CN 107628540 A CN107628540 A CN 107628540A
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Abstract
The present invention relates to monorail crane technical field, more particularly to a kind of monorail crane locomotive fluid power system, including two-way variable displacement pump, the first overflow valve, the second overflow valve, the 3rd overflow valve, hydraulic motor, slippage pump, the first check valve, the second check valve, two-position three-way hand change valve, checking cylinder, two-position two-way hydraulic control reversal valve and oil groove.Hydraulic motor rotating is driven by two-way variable displacement pump, so as to realize the movable of monorail crane locomotive, using closed circuit, structure can be made compacter, it is highly reliable, while drive efficiency is substantially increased, save the energy.By checking cylinder, braking effect can be played to hydraulic motor, it is more stable when making monorail crane locomotive static, while by using two-position two-way hydraulic control reversal valve, avoid checking cylinder and generated heat in braking, extend the service life of checking cylinder.
Description
Technical field
The present invention relates to monorail crane technical field, and in particular to a kind of monorail crane locomotive fluid power system.
Background technology
Status of the monorail crane locomotive in mining assistant conveyance system is more and more important, and use is also more and more extensive, single track
The research and development of loop wheel machine vehicle device, while it is not influenceed by bottom plate condition, haulage drift arrangement is convenient to save space, conevying efficiency
It is high.The fully mechanized coal face removal of home stopping surface work that past one month could complete, can be one using hydraulic control system of monorail crane locomotive
Completed in all, the efficiency of assistant conveyance is substantially increased, so as to improve full efficiency.But existing monorail crane locomotive hydraulic pressure drives
Often structure is more complicated for dynamic system, and stability is poor, while less efficient.
The content of the invention
It is an object of the invention to provide a kind of drive of the monorail crane locomotive hydraulic pressure of highly reliable, efficiency high, good braking effect
Dynamic system.
In order to achieve the above object, the technical solution adopted by the present invention is：Monorail crane locomotive fluid power system, including it is double
To variable pump, the first overflow valve, the second overflow valve, the 3rd overflow valve, hydraulic motor, slippage pump, the first check valve, second unidirectional
Valve, two-position three-way hand change valve, checking cylinder, two-position two-way hydraulic control reversal valve and oil groove, the A mouths and liquid of the two-way variable displacement pump
The C mouths connection of pressure motor, the B mouths of the two-way variable displacement pump and the D mouths of hydraulic motor connect, the oil inlet of first overflow valve
It is connected with the A mouths of two-way variable displacement pump, the oil-out of first overflow valve and the B mouths of two-way variable displacement pump connect, and described second overflows
The B mouths of the oil inlet and two-way variable displacement pump that flow valve connect, and the oil-out of second overflow valve and the A mouths of two-way variable displacement pump connect
Connect, the oil-out of first check valve and the A mouths of two-way variable displacement pump connect, the oil inlet of first check valve and the second list
Connected to the oil inlet of valve, the oil-out of second check valve and the B mouths of two-way variable displacement pump connect, the oil-feed of the slippage pump
Mouth is connected with oil groove, and the oil-out of the slippage pump is connected with the oil inlet of the first check valve, the two-position three way manual reverse of direction
The P1 mouths of valve and the oil-out of slippage pump are connected, and the T1 mouths of the two-position three-way hand change valve are connected with oil groove, described two
The A1 mouths of threeway hand-operated direction valve are connected with checking cylinder, and the checking cylinder is used for the braking of hydraulic motor, the bi-bit bi-pass liquid
Control reversal valve a hydraulic fluid port and two-way variable displacement pump A mouths connect, another hydraulic fluid port of the two-position two-way hydraulic control reversal valve with it is two-way
The B mouths connection of variable pump, the control port of the two-position two-way hydraulic control reversal valve and the A1 mouths of two-position three-way hand change valve connect
Connect, the oil inlet of the 3rd overflow valve and the oil-out of slippage pump connect, and oil-out and the oil groove of the 3rd overflow valve connect
Connect.
Monorail crane locomotive fluid power system as described above, further illustrates and is, in addition to accumulator, the accumulator
It is connected with the oil-out of slippage pump.
Monorail crane locomotive fluid power system as described above, further illustrates to be that the oil inlet of the slippage pump is provided with
Filter.
The beneficial effects of the invention are as follows：Hydraulic motor rotating is driven by two-way variable displacement pump, so as to realize single-rail crane
Moving forward and backward for car, using closed circuit, can make structure compacter, highly reliable, while substantially increase drive efficiency,
The energy is saved.By checking cylinder, braking effect can be played to hydraulic motor, it is more stable when making monorail crane locomotive static, together
When by using two-position two-way hydraulic control reversal valve, avoid checking cylinder and generated heat in braking, extend the service life of checking cylinder.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
In figure：1st, two-way variable displacement pump；2nd, the first overflow valve；3rd, the second overflow valve；4th, the 3rd overflow valve；5th, hydraulic motor；
6th, slippage pump；7th, the first check valve；8th, the second check valve；9th, two-position three-way hand change valve；10th, checking cylinder；11st, bi-bit bi-pass
Pilot operated directional control valve；12nd, oil groove；13rd, accumulator；14th, filter.
Embodiment
Embodiment of the present invention is further elaborated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of monorail crane locomotive fluid power system provided by the invention, makes suitable for monorail crane locomotive
With.The fluid power system includes two-way variable displacement pump 1, the first overflow valve 2, the second overflow valve 3, the 3rd overflow valve 4, hydraulic motor
5th, slippage pump 6, the first check valve 7, the second check valve 8, two-position three-way hand change valve 9, checking cylinder 10, two-position two-way hydraulic control change
To valve 11 and oil groove 12.
The A mouths of the two-way variable displacement pump 1 are connected with the C mouths of hydraulic motor 5, B mouths and the hydraulic pressure horse of the two-way variable displacement pump 1
D mouths up to 5 are connected, i.e., the hydraulic oil that two-way variable displacement pump 1 exports is directly entered in hydraulic motor 5, so as to drive 5 turns of hydraulic motor
It is dynamic, the movement of monorail crane locomotive is driven by the rotation of hydraulic motor 5, the hydraulic oil that hydraulic motor 5 is discharged returns to double again
Into variable pump 1, the circulation of fluid is realized, improves efficiency, changes the outbound course of two-way variable displacement pump 1, so as to hydraulic pressure horse
Changed up to 5 direction of rotation, realize the movable of monorail crane locomotive.
The oil inlet of first overflow valve 2 is connected with the A mouths of two-way variable displacement pump 1, the oil-out of first overflow valve 2
It is connected with the B mouths of two-way variable displacement pump 1, the oil inlet of second overflow valve 3 is connected with the B mouths of two-way variable displacement pump 1, and described second
The oil-out of overflow valve 3 is connected with the A mouths of two-way variable displacement pump 1, can be ensured by the first overflow valve 2 and the second overflow valve 3 double
To the high-voltage output end not superpressure of variable pump 1, for example, when the A mouths of two-way variable displacement pump 1 are as output, when B mouths are as input, the
One overflow valve 2 can ensure output circuit not superpressure, i.e. the first overflow valve 2 does safety valve use；Similarly, when two-way variable displacement pump 1
B mouths as output, A mouths as input when, the second overflow valve 3 can ensure output circuit not superpressure, i.e. the second overflow valve 3 is done
Safety valve uses.
The oil-out of first check valve 7 is connected with the A mouths of two-way variable displacement pump 1, the oil inlet of first check valve 7
It is connected with the oil inlet of the second check valve 8, the oil-out of second check valve 8 is connected with the B mouths of two-way variable displacement pump 1, described
The oil inlet of slippage pump 6 is connected with oil groove 12, and the oil-out of the slippage pump 6 is connected with the oil inlet of the first check valve 7, is passed through
Slippage pump 6, which is realized to the low-pressure side of two-way variable displacement pump 1, carries out repairing, for example, when the A mouths of two-way variable displacement pump 1 are as output, B mouths
During as input, the hydraulic oil that now slippage pump 6 exports flows to the B mouths of two-way variable displacement pump 1 after the second check valve 8, realizes
Repairing；When the B mouths of two-way variable displacement pump 1 are as output, when A mouths are as input, the hydraulic oil that now slippage pump 6 exports passes through first
The A mouths of two-way variable displacement pump 1 are flowed to after check valve 7, realize repairing；
The P1 mouths of the two-position three-way hand change valve 9 are connected with the oil-out of slippage pump 6, and the two-position three way changes manually
It is connected to the T1 mouths of valve 9 with oil groove 12, the A1 mouths of the two-position three-way hand change valve 9 are connected with checking cylinder 10, the braking
Cylinder 10 is used for the braking of hydraulic motor 5, and a hydraulic fluid port of the two-position two-way hydraulic control reversal valve 11 connects with the A mouths of two-way variable displacement pump 1
Connect, another hydraulic fluid port of the two-position two-way hydraulic control reversal valve 11 is connected with the B mouths of two-way variable displacement pump 1, the two-position two-way hydraulic control
The control port of reversal valve 11 is connected with the A1 mouths of two-position three-way hand change valve 9, when need not be braked to hydraulic motor 5
When, two-position three-way hand change valve 9 is located at lower station, and the hydraulic oil that slippage pump 6 exports is after two-position three-way hand change valve 9
Flow into checking cylinder 10, so as to which the piston rod in checking cylinder 10 is withdrawn, hydraulic motor 5 is declutched, while two-position two-way hydraulic control changes
Control port to valve 11 starts, and two-position two-way hydraulic control reversal valve 11 is promoted and is placed in right working position, two-position two-way hydraulic control reversal valve
11 drive hydraulic motor 5 to rotate together equivalent to shut-off, now two-way variable displacement pump 1.When needing that hydraulic motor 5 is braked
When, two-position three-way hand change valve 9 is located at upper station, and the fluid in checking cylinder 10 after two-position three-way hand change valve 9 by flowing
In oil-recovery tank 12, so as to which the piston rod in checking cylinder 10 stretches out, hydraulic motor 5 is braked, while two-position two-way hydraulic control changes
Control port to valve 11 is due to losing pressure, so as to which two-position two-way hydraulic control reversal valve 11 is located at left station, due to bidirectional variable
Pump 1 will not stop operating immediately when stopping, and still can continue to output hydraulic oil, at this moment two-way change due to the cause of rotator inertia
The hydraulic oil that amount pump 1 exports will be flowed back in two-way variable displacement pump 1 by two-position two-way hydraulic control reversal valve 11, so that hydraulic motor
There is no hydraulic oil circulation in 5, so that checking cylinder 10 is preferably braked to hydraulic motor 5, reduce brake drag, so that
Checking cylinder 10 does not generate heat.
The oil inlet of 3rd overflow valve 4 is connected with the oil-out of slippage pump 6, the oil-out of the 3rd overflow valve 4
It is connected with oil groove 12, the 3rd overflow valve 4 does safety valve use.
Preferably, also including accumulator 13, the accumulator 13 is connected with the oil-out of slippage pump 6.Stored by setting
Energy device 13, the pressure of repairing can be made more stable, Oil shocking is reduced, protect each setting in system, extend equipment
Service life.Filter 14 can also be provided with the oil inlet of slippage pump 6, the hydraulic oil of supplement can be entered by filter 14
Row filtering, so that hydraulic oil more cleans.
The present invention is not limited to examples detailed above, in claims of the present invention limited range, art technology
The various deformations or amendments that personnel can make without creative work are protected by this patent.
Claims (3)
1. monorail crane locomotive fluid power system, it is characterised in that：Including two-way variable displacement pump (1), the first overflow valve (2), second
Overflow valve (3), the 3rd overflow valve (4), hydraulic motor (5), slippage pump (6), the first check valve (7), the second check valve (8), two
Position threeway hand-operated direction valve (9), checking cylinder (10), two-position two-way hydraulic control reversal valve (11) and oil groove (12), the bidirectional variable
The A mouths of pump (1) are connected with the C mouths of hydraulic motor (5), and the B mouths of the two-way variable displacement pump (1) connect with the D mouths of hydraulic motor (5)
Connect, the oil inlet of first overflow valve (2) is connected with the A mouths of two-way variable displacement pump (1), first overflow valve (2) it is fuel-displaced
Mouth is connected with the B mouths of two-way variable displacement pump (1), and the oil inlet of second overflow valve (3) is connected with the B mouths of two-way variable displacement pump (1),
The oil-out of second overflow valve (3) is connected with the A mouths of two-way variable displacement pump (1), the oil-out of first check valve (7) with
The A mouths connection of two-way variable displacement pump (1), the oil inlet of first check valve (7) are connected with the oil inlet of the second check valve (8),
The oil-out of second check valve (8) is connected with the B mouths of two-way variable displacement pump (1), the oil inlet and oil groove of the slippage pump (6)
(12) connect, the oil-out of the slippage pump (6) is connected with the oil inlet of the first check valve (7), and the two-position three way changes manually
It is connected to the P1 mouths of valve (9) with the oil-out of slippage pump (6), the T1 mouths and oil groove of the two-position three-way hand change valve (9)
(12) connect, the A1 mouths of the two-position three-way hand change valve (9) are connected with checking cylinder (10), and the checking cylinder (10) is used for liquid
The braking of pressure motor (5), a hydraulic fluid port of the two-position two-way hydraulic control reversal valve (11) are connected with the A mouths of two-way variable displacement pump (1), institute
Another hydraulic fluid port for stating two-position two-way hydraulic control reversal valve (11) is connected with the B mouths of two-way variable displacement pump (1), and the two-position two-way hydraulic control changes
Control port to valve (11) is connected with the A1 mouths of two-position three-way hand change valve (9), the oil inlet of the 3rd overflow valve (4)
It is connected with the oil-out of slippage pump (6), the oil-out of the 3rd overflow valve (4) is connected with oil groove (12).
2. monorail crane locomotive fluid power system according to claim 1, it is characterised in that：Also include accumulator (13),
The accumulator (13) is connected with the oil-out of slippage pump (6).
3. monorail crane locomotive fluid power system according to claim 1, it is characterised in that：Slippage pump (6) are entered
Hydraulic fluid port is provided with filter (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610571507.1A CN107628540A (en) | 2016-07-19 | 2016-07-19 | Monorail crane locomotive fluid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610571507.1A CN107628540A (en) | 2016-07-19 | 2016-07-19 | Monorail crane locomotive fluid power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107628540A true CN107628540A (en) | 2018-01-26 |
Family
ID=61113096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610571507.1A Pending CN107628540A (en) | 2016-07-19 | 2016-07-19 | Monorail crane locomotive fluid power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107628540A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386799A (en) * | 2021-07-23 | 2021-09-14 | 贵州大学 | Hydraulic driving system of rail transport vehicle |
-
2016
- 2016-07-19 CN CN201610571507.1A patent/CN107628540A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386799A (en) * | 2021-07-23 | 2021-09-14 | 贵州大学 | Hydraulic driving system of rail transport vehicle |
| CN113386799B (en) * | 2021-07-23 | 2023-04-25 | 贵州大学 | Hydraulic driving system of rail transport vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180126 |