CN202390098U - Automatic disengaging controller of hydraulic single-rail crane driving part - Google Patents
Automatic disengaging controller of hydraulic single-rail crane driving part Download PDFInfo
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- CN202390098U CN202390098U CN2011204308210U CN201120430821U CN202390098U CN 202390098 U CN202390098 U CN 202390098U CN 2011204308210 U CN2011204308210 U CN 2011204308210U CN 201120430821 U CN201120430821 U CN 201120430821U CN 202390098 U CN202390098 U CN 202390098U
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- extruding cylinder
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Abstract
The utility model discloses an automatic disengaging controller of a hydraulic single-rail crane driving part, belonging to the field of mineral machines. The automatic disengaging controller comprises a driving motor, an extruding cylinder, a selecting valve and a pressure-reducing valve, wherein the extruding cylinder is controlled by an electromagnetic reversing valve, and the control openings of branched paths from the pressure-reducing valve to the selecting valve are formed on a control oil path so as to ensure that the selecting valve is also controlled to shift the oil path when the electromagnetic reversing valve controls the extruding cylinder; the selecting valve is connected with a short circuit block so that a motor still can move when being not fed by oil and is prevented from being damaged by an external force; the electromagnetic reversing valve controlling the extruding cylinder controls the extruding cylinder to be shrunk at a normal position, a friction wheel tightly presses a guide rail, and a driving part is in a working state; an electromagnetic valve conducts reversing for shifting and controls the extruding cylinder so as to separate the friction wheel from the guide rail; and the branched paths control the selecting valve to shift through the pressure-reducing valve while the electromagnetic reversing valve is shifted so that the oil supply of the group of drive motors is closed and the group of drive motors follows up to run. The automatic disengaging controller disclosed by the utility model has the advantages that the controller can be operated in a cab without manual disassembly and the motor is prevented from damaging.
Description
Technical field
The utility model belongs to the mine equipment field, specifically is that hydraulic pressure monorail crane locomotive drive portion throws off control setup automatically.Mainly be applicable to hydraulic pressure monorail crane locomotive under the mine.
Background technology
Transportation resources shipper, equipment and the handling weight of increasing employing monorail crane transported in modern down-hole.Monorail crane locomotive crew is connected to form by many groups drive division.Each drive division drives two friction wheels respectively by two low-speed big torque motors and a squeeze cylinder is formed.When squeeze cylinder shrank, friction wheel clung on the guiding cheekn.In the time of motor running, rely on friction wheel that the antagonistic force promotion locomotive of guide rail is advanced.In order to increase tractive force, whole locomotive crew is made up of 4 groups or 6 groups of drive divisions, but the hydraulic pressure main pump has only one; The max.cap. of main pump is fixed, and CD-ROM drive motor is many more, and tractive force is to have increased; But the flow of sharing each motor has reduced, and causes moving velocity to reduce.Thereby people adopt a kind of way, when load is little, get rid of one or two group of drive division, and order should be run in the servo-actuated of group drive division, and feed flow does not press power, promptly so-called 2+2 or 4+2 locomotive.The way that in the past adopted is the manual release or lets the motor i.e. idle running of floating.The manual release is too loaded down with trivial details; Let motor unsteady dry run being prone to cause motor damage.
Summary of the invention
The utility model provides a kind of hydraulic pressure monorail crane locomotive drive portion to throw off control setup automatically, adopts fluid control by not oil-feed of motor, controls squeeze cylinder simultaneously and makes friction wheel throw off track, and drive division has just had nothing to do with whole locomotive crew.
The utility model is realized through following technical scheme: a kind of hydraulic pressure monorail crane locomotive drive portion throws off control setup automatically, comprises CD-ROM drive motor, and extrusion oil cylinder is installed a selector valve on the control oil channel of CD-ROM drive motor; One solenoid directional control valve is installed on the control oil channel of squeeze cylinder; Other has reducing valve, leads on the oil circuit of squeeze cylinder rodless cavity at solenoid directional control valve, opens a branch, and reducing valve is connected on this branch road, and its outlet is received on the control mouth of selector valve.
Described selection change-over valve has A, B, C, D, E, six hydraulic fluid ports of F, described short valve piece) be crimped on the selector valve C D mouth joint face.
Described selection change-over valve has A, B, C, D, E, six hydraulic fluid ports of F, and its A, B mouth connect with oil pipe on the A mouth and B mouth of CD-ROM drive motor, and its E, F mouth are connected in the high pressure oil-feed and oil return circuit of system with oil pipe.
Drive division is thrown off control principle: when its normality, CD-ROM drive motor is by system pressure oil fuel feeding, and the solenoid directional control valve of control squeeze cylinder is by pilot control, and squeeze cylinder shrinks in the time of normal, and friction wheel compresses, and this drive division is equally in running order with other drive divisions; When needs were thrown off this drive division, the switching-over of pilot control electromagnetic valve was switched, and the control squeeze cylinder is thrown off friction wheel; Simultaneously, the pressure oil of solenoid directional control valve output is told one road branch road control selector valve and is switched oil circuit, and then this CD-ROM drive motor fuel feeding road is closed, and motor has been thrown off and not oil-feed, and then this drive division has broken away from locomotive crew, advances by dragging in company with whole locomotive.
The utility model has the advantages that: without the artificial unloading, chaufeur only needs can cut off the motor fuel feeding through handling solenoid directional control valve in operator's compartment, realizes that drive division throws off or close, and also can the Yin Mada dry run not cause to inhale emptyly, and the protection motor is not damaged.
Description of drawings
Fig. 1 is the utility model fluid control schematic diagram;
Fig. 2 is the short-circuit block structural representation;
Fig. 3 installs to connect the block structure scheme drawing;
Fig. 4 is the right elevation of Fig. 3;
Fig. 5 is the birds-eye view of Fig. 3.
Among Fig. 1: 1, CD-ROM drive motor, 2, squeeze cylinder, 3, selector valve, 4, short-circuit block, 5, solenoid directional control valve, 6, reducing valve.
The specific embodiment
As shown in Figure 1; Hydraulic pressure monorail crane locomotive drive portion throws off control setup automatically and comprises CD-ROM drive motor 1; Extrusion oil cylinder 2 is installed a selector valve 3 and is controlled the reducing valve 6 of this valve on the oil feeding line of CD-ROM drive motor 1, a solenoid directional control valve 5 is installed on the oil circuit of squeeze cylinder 2; The delivery port of reducing valve 6 is through the control mouth X mouth of the switching oil circuit of oil circuit connection selector valve 3, and the input port of reducing valve 6 connects on rodless cavity (being the big chamber of the oil cylinder) oil circuit of squeeze cylinder 2; In described selection 3, be connected with short-circuit block 4.
Selector valve 3 is the outsourcing gauge member, and present embodiment is selected Italian HC-SVM056/W025A-H005 for use.Select change-over valve 3 that A, B, C, D, E, six hydraulic fluid ports of F are arranged.As shown in Figure 2, interface C, D are arranged on the short-circuit block 4, short-circuit block is crimped on the C D mouth joint face of selecting change-over valve 3, lets motor externally self be in short circuit during not oil-feed, keeps free movement state.Select A, the B mouth of change-over valve 3 to connect with oil pipe on the A mouth and B mouth of CD-ROM drive motor 1, its E, F mouth are connected in the high pressure oil-feed and oil return circuit of system with oil pipe.Selector valve 3 also has a control mouth X mouth that switches oil circuit, is connected to reducing valve 6 delivery ports, accepts the switching signal from change-over valve.
Be conveniently to connect, structure is compact more, and the oil circuit of solenoid directional control valve 5 and reducing valve 6 is connected the employing installation and connects the piece connection.Installation meets block structure such as Fig. 3, Fig. 4, shown in Figure 5.
Solenoid directional control valve 5 is an explosion proof type, and P, T, A, four actuator ports of B are arranged.Output face is installed in to install and connects on the end face of piece, and four mouths that connect on the piece with installation are corresponding; Reducing valve 6 has three hydraulic fluid ports of P1 A1 T1, and output face is installed in to install and connects on the cooresponding interface of piece right flank.It is delivery port that installation connects the piece bottom surface, and P mouth and T mouth are connected to fuel feeding and oil return circuit respectively, and the A mouth is connected to the rod chamber (being loculus) of extrusion oil cylinder 2, and the B mouth is connected to the rodless cavity (being big chamber) of squeeze cylinder 2; The B oil circuit connects the piece internal oil passages through installation again and receives on the input port P1 of reducing valve 6.The delivery port A1 of reducing valve 6 is connected to the control mouth X mouth of selecting change-over valve 3 through outer oil circuit.The oil return inlet T 1 of the oil return inlet T of solenoid directional control valve 5 and reducing valve 6 is converged in installation connects piece, connects piece outlet T oil sump tank through installing.
Its control process is following: the selector valve 3 on the oil feeding line of motor; When its normal position, this group motor 1 is also equally accepted the fuel feeding from main pump with other motors, and system pressure oil gets into CD-ROM drive motor 1 through E F mouth; And a solenoid directional control valve 5 of controlling squeeze cylinder 2 is arranged in addition by pilot control; Position, a left side, solenoid directional control valve 5 places P-A is communicated with in the time of normal, and squeeze cylinder 2 shrinks, and friction wheel compresses guide rail; This drive division equally relies on guide rail that the antagonistic force of locomotive is driven locomotive with other drive divisions, and locomotive is in running order.When needs were thrown off this drive division, chaufeur sent switching signal, and solenoid directional control valve 5 switches, right position, valve place, and P-B is communicated with, the squeeze cylinder elongation, friction wheel is thrown off; In addition meanwhile the pressure oil of solenoid directional control valve delivery port B branch exports to reducing valve 6 through valve piece inner passage, reducing valve is exported to the control mouth X (because of the control of selector valve requires low pressure, so need decompression) of selector valve 3; Selector valve obtains signal and switches oil circuit; Left side position work originally becomes the work of right position, has closed motor in-line E, F mouth, and short-circuit block 4 lets motor self A, the short circuit of B mouth; Motor is the free floating state, to keep motor flexible.This moment, this drive division broke away from locomotive crew fully, was advanced with the connecting rod drawing by other drive divisions.Motor is cut off after the fuel feeding because the effect of external short-circuit block 4 makes motor oil suction chamber and oil back chamber through C, D mouth self short circuit; Like this; Motor is freedom and flexibility when not working, and not locked, helps to protect motor to avoid the external force infringement simultaneously to bringing convenience in the operation.
Claims (3)
1. a hydraulic pressure monorail crane locomotive drive portion throws off control setup automatically, comprises CD-ROM drive motor (1), and extrusion oil cylinder (2) is characterized in that, a selector valve (3) is installed on the control oil channel of CD-ROM drive motor (2); One solenoid directional control valve (5) is installed on the control oil channel of squeeze cylinder (2); Other has reducing valve (6), leads on the oil circuit of squeeze cylinder rodless cavity at solenoid directional control valve (5), opens a branch, and reducing valve (6) is connected on this branch road, and its outlet is received on the control mouth of selector valve (3).
2. hydraulic pressure monorail crane locomotive drive according to claim 1 portion throws off control setup automatically; It is characterized in that; Described selection change-over valve (3) has A, B, C, D, E, six hydraulic fluid ports of F, and described short valve piece (4) is crimped on selector valve (3) the C D mouth joint face.
3. hydraulic pressure monorail crane locomotive drive according to claim 1 portion throws off control setup automatically; It is characterized in that; Described selection change-over valve (3) has A, B, C, D, E, six hydraulic fluid ports of F; Its A, B mouth connect with oil pipe on the A mouth and B mouth of CD-ROM drive motor (1), and its E, F mouth are connected in the high pressure oil-feed and oil return circuit of system with oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204308210U CN202390098U (en) | 2011-11-03 | 2011-11-03 | Automatic disengaging controller of hydraulic single-rail crane driving part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204308210U CN202390098U (en) | 2011-11-03 | 2011-11-03 | Automatic disengaging controller of hydraulic single-rail crane driving part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202390098U true CN202390098U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204308210U Expired - Lifetime CN202390098U (en) | 2011-11-03 | 2011-11-03 | Automatic disengaging controller of hydraulic single-rail crane driving part |
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| Country | Link |
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| CN (1) | CN202390098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847249A (en) * | 2020-08-13 | 2020-10-30 | 沙尔夫矿山机械（徐州）有限公司 | Novel diesel engine monorail crane drive part realizes getting rid of hydraulic control system who drives function |
-
2011
- 2011-11-03 CN CN2011204308210U patent/CN202390098U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847249A (en) * | 2020-08-13 | 2020-10-30 | 沙尔夫矿山机械（徐州）有限公司 | Novel diesel engine monorail crane drive part realizes getting rid of hydraulic control system who drives function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |
|
| CX01 | Expiry of patent term |