CN204004274U - Work frequency conversion switch type hydraulic couplers - Google Patents
Work frequency conversion switch type hydraulic couplers Download PDFInfo
- Publication number
- CN204004274U CN204004274U CN201420484519.7U CN201420484519U CN204004274U CN 204004274 U CN204004274 U CN 204004274U CN 201420484519 U CN201420484519 U CN 201420484519U CN 204004274 U CN204004274 U CN 204004274U
- Authority
- CN
- China
- Prior art keywords
- hydraulic couplers
- frequency conversion
- gear
- work
- conversion switch
- 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.)
- Active
Links
Landscapes
- Control Of Multiple Motors (AREA)
Abstract
The utility model discloses a kind of work frequency conversion switch type hydraulic couplers.Described work frequency conversion switch type hydraulic couplers comprises: lubricating pump, work oil pump, gear type stepless speed changer, gear-box and hydraulic couplers; The output shaft of gear type stepless speed changer is connected with work oil pump with lubricating pump respectively; The output shaft of gear-box is connected with the input shaft of gear type stepless speed changer; The output shaft of gear-box is connected with the input shaft of hydraulic couplers; Lubricating pump is connected with hydraulic couplers respectively with work oil pump.The work frequency conversion switch type hydraulic couplers providing of the present utility model is provided, can continue to adopt the mode of gear drive lubricating pump and work oil pump, thereby avoided in prior art, needing to introduce the mode that two motors drive respectively lubricating pump and work oil pump, the problem of the extra power consumption of increase bringing, increase electric cost.
Description
Technical field
The utility model relates to hydraulic couplers technical field, relates in particular to a kind of work frequency conversion switch type hydraulic couplers.
Background technique
Hydraulic couplers claims again fluid coupling, is that a kind of being used for couples together the mechanical device of transmitting rotary power by power source (normally motor or motor) and working machine.At present, hydraulic couplers is also applied in power station.
In power station, generally adopt speed-up fluid coupler, step-up gear is set on hydraulic couplers, in order to improve motor input speed and hydraulic couplers output speed.Step-up gear connects respectively lubricating pump and work oil pump, and in power frequency situation, due to the output shaft invariablenes turning speed of motor, the output shaft rotating speed of step-up gear is also constant, can guarantee the normal work of lubricating pump and work oil pump.But during motor frequency conversion operation, the rotating speed of motor output shaft changes, cannot guarantee the normal work of lubricating pump and work oil pump.In current technology, generally abandon the mode of step-up gear gear drive lubricating pump and work oil pump, change into respectively and respectively configure a motor-driven mode to lubricating pump and work oil pump, realize motor and drive lubricating pump and work oil pump, like this, when the motor frequency conversion being connected with step-up gear moves, lubricating pump and work oil pump also can normally be worked.
But, in current technology, introduce the mode that two motors drive respectively lubricating pump and work oil pump, can increase extra power consumption, directly cause the increase of electric cost.
Model utility content
In view of this, the utility model provides a kind of work frequency conversion switch type hydraulic couplers, in order to continue to adopt the mode of gear drive lubricating pump and work oil pump, thereby avoided needing to introduce two motors in prior art and driven respectively lubricating pump and work oil pump, abandon the mode of gear drive, the problem of the extra power consumption of increase bringing, increase electric cost.
For achieving the above object, the utility model provides following technological scheme:
A work frequency conversion switch type hydraulic couplers, comprising:
Lubricating pump, work oil pump, gear type stepless speed changer, gear-box and hydraulic couplers;
The output shaft of described gear type stepless speed changer is connected with described work oil pump with described lubricating pump respectively;
The output shaft of described gear-box is connected with the input shaft of described gear type stepless speed changer;
The output shaft of described gear-box is connected with the input shaft of described hydraulic couplers;
Described lubricating pump is connected with described hydraulic couplers respectively with described work oil pump.
Preferably, described gear-box is acceleration type gear-box.
Preferably, the input shaft of described gear-box is connected with motor.
Preferably, described motor is connected with frequency variator.
Preferably, described frequency variator is connected with programmable logic controller (PLC) PLC.
Preferably, described gear type stepless speed changer is connected with described programmable logic controller (PLC) PLC.
Preferably, described hydraulic couplers comprises scoop tube.
Preferably, described hydraulic couplers comprises pump impeller.
Preferably, described hydraulic couplers comprises turbine.
Preferably, the output terminal of described hydraulic couplers is connected with feed water pump.
Known via above-mentioned technological scheme, compared with prior art, the utility model provides a kind of work frequency conversion switch type hydraulic couplers.The work frequency conversion switch type hydraulic couplers that the utility model provides, comprise gear type stepless speed changer, the output shaft of described gear type stepless speed changer is connected with described work oil pump with described lubricating pump respectively, the input shaft of described gear type stepless speed changer is connected with the output shaft of described gear-box, when motor frequency conversion moves, described gear type stepless speed changer can carry out corresponding adjustment of rotational speed, makes the rotating speed of output shaft can meet lubricating pump and the normal demand of working of work oil pump.Therefore, the technological scheme that the utility model provides, can continue to adopt the mode of gear drive lubricating pump and work oil pump, thereby avoided needing to introduce two motors in prior art and driven respectively lubricating pump and work oil pump, abandon the mode of gear drive, the problem of the extra power consumption of increase bringing, increase electric cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the structural drawing of work frequency conversion switch type hydraulic couplers in prior art;
The structural drawing of a kind of work frequency conversion switch type hydraulic couplers that Fig. 2 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, prior art and the utility model are described in further detail.
Refer to Fig. 1, Fig. 1 is the structural drawing of work frequency conversion switch type hydraulic couplers in prior art.As shown in Figure 1, work frequency conversion switch type hydraulic couplers of the prior art comprises:
Lubricating pump 11, work oil pump 12, gear-box 13, hydraulic couplers 14, the first motors 15 and the second motor 16;
The output terminal of described gear-box 13 is connected with the input end of described hydraulic couplers 14;
The output terminal of described hydraulic couplers 14 is connected with the input end of feed water pump, for driving feed water pump;
The input end of described gear-box 13 connects motor, and described gear-box 13 drives for accepting motor, and then drives described hydraulic couplers 14;
Described lubricating pump 11 is connected with described hydraulic couplers 14 respectively with described work oil pump 12;
Described the first motor 15 is connected with described lubricating pump 11, for driving described lubricating pump 11 normally to work;
Described the second motor 16 is connected with described work oil pump 12, for driving described work oil pump 12 normally to work.
When driving the motor frequency conversion operation of hydraulic couplers by gear-box, the rotating speed of motor output shaft changes, and cannot guarantee the normal work of lubricating pump and work oil pump.Technological scheme by above-mentioned prior art can be found out, in existing technology, abandon the mode of gear-box gear drive lubricating pump and work oil pump, change into respectively and respectively configure a motor-driven mode to lubricating pump and work oil pump, realize motor and drive lubricating pump and work oil pump, like this, when the motor frequency conversion being connected with gear-box moves, lubricating pump and work oil pump also can normally be worked.
But, in current technology, introduce the mode that two motors drive respectively lubricating pump and work oil pump, can increase extra power consumption, directly cause the increase of electric cost.For this reason, the utility model provides a kind of new work frequency conversion switch type hydraulic couplers, to solve existing problem in above-mentioned prior art.Specifically refer to following embodiment.
Embodiment
Refer to Fig. 2, the structural drawing of a kind of work frequency conversion switch type hydraulic couplers that Fig. 2 provides for the utility model embodiment.As shown in Figure 2, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, comprising:
Lubricating pump 21, work oil pump 22, gear type stepless speed changer 23, gear-box 24, hydraulic couplers 25;
The output shaft of described gear type stepless speed changer 23 is connected with described work oil pump 22 with described lubricating pump 21 respectively;
The output shaft of described gear-box 24 is connected with the input shaft of described gear type stepless speed changer 23;
The output shaft of described gear-box 24 is connected with the input shaft of described hydraulic couplers 25;
Described lubricating pump 21 is connected with described hydraulic couplers 25 respectively with described work oil pump 22.
Concrete, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, the lubrication oil circulation that described lubricating pump 21 is described hydraulic couplers 25 provides power support.
Concrete, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, is that medium carries out Energy Transfer by oil, working oil will circulate, the described work oil pump 22 that just need to add the utility model embodiment to provide.
Concrete, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, the input shaft of described gear-box 24 is connected with motor (drive motor), by motor, drives described gear-box 24, and described gear-box 24 is accepted motor and driven afterwards and then drive described hydraulic couplers 25.
Concrete, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, described gear-box 24, optional, be acceleration type gear-box, in order to increase the rotating speed of motor input and the rotating speed of hydraulic couplers 25 outputs.
Concrete, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, with the described motor that described gear-box 24 is connected, the other end is connected with frequency variator, by frequency variator, makes motor frequency conversion operation, thereby the rotating speed of motor is constantly changed.
Further, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, the described frequency variator being connected with described motor, PLC (the Programmable Logic Controller of the other end and described work frequency conversion switch type hydraulic couplers outside, programmable logic controller (PLC)) be connected, for accepting the control of PLC, thereby control described motor, realize converting operation.It should be noted that, between described motor and described PLC, optional, be also provided with power frequency bypass (being power frequency operation circuit), described motor is connected with described PLC by power frequency bypass.Obviously, when PLC passes through power frequency Bypass Control motor, motor can power frequency operation.
Further, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, described gear type stepless speed changer 23 is connected with described programmable logic controller (PLC) PLC, at PLC, motor is carried out in control procedure, can to described gear type stepless speed changer 23, control accordingly simultaneously, no matter make motor power frequency operation or converting operation, described gear type stepless speed changer 23 can both respond in time, assurance outputs to the invariablenes turning speed of described lubricating pump 21 and described work oil pump 22, meet the requirement of described lubricating pump 21 and 22 the two the normal work of described work oil pump.Such as, when outside PLC requires as power frequency operation to the control of motor, gear-box 24 in the work frequency conversion switch type hydraulic couplers that motor power frequency operation driving the utility model embodiment provides, meanwhile, outside PLC together with time control the described gear type stepless speed changer 23 that the utility model embodiment provides, make described gear type stepless speed changer 23 keep the consistent state of input output rotating speed; Such as, when outside PLC requires as converting operation to the control of motor, gear-box 24 in the work frequency conversion switch type hydraulic couplers that motor frequency conversion operation driving the utility model embodiment provides, meanwhile, outside PLC together with time control the described gear type stepless speed changer 23 that the utility model embodiment provides, make described gear type stepless speed changer 23 keep the constant state of output speed, and no matter how input speed changes, output speed, the rotating speed of the output shaft of gear-box 24 described in while optionally, equaling motor power frequency operation.Therefore, no matter drive the motor power frequency operation of described gear-box 24, or converting operation, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides can both operate normally.
Therefore, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, the speed regulation type hydrodynamic coupler method of operation of volumetric speed control while both having there is the input of power frequency constant speed, the step-up gear method of operation of frequency control of motor speed while thering is again frequency control of motor speed input, two kinds of modes can be switched mutually, and one of an operation is standby.
Concrete, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, the output terminal of described hydraulic couplers 25 is connected with feed water pump.
Concrete, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, described hydraulic couplers 25 comprises pump impeller.
Concrete, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, described hydraulic couplers 25 comprises turbine.
Concrete, the pump impeller of described hydraulic couplers 25 and turbine form an airtight active chamber that can make liquid-circulating flow, and pump impeller is contained on input shaft, and turbine cartridge is on output shaft.During the rotation of motor band driven input shaft, liquid is centrifuged formula pump impeller and throws away.This high-speed liquid promotes turbine rotation after entering turbine, and the energy obtaining from pump impeller is passed to output shaft.Final liquid returns to pump impeller, forms flowing of going round and beginning again.By the blade of liquid and pump impeller, turbine, the interact variation of the generation moment of momentum carrys out transmitting torque to hydraulic couplers.
Further, the work frequency conversion switch type hydraulic couplers that the utility model embodiment provides, described hydraulic couplers 25 comprises scoop tube.During motor power frequency operation, while applying power frequency input, by scoop tube, carry out the mode of volumetric speed control; During motor frequency conversion operation, while applying frequency conversion input, scoop tube is fixed on 100%, active wheel internal-filling liquid amount is fixed, pump impeller and turbine now play the effect of coupling, by the speedup of step-up gear, and the peak efficiency that hydraulic couplers efficiency is now hydraulic couplers.The input shaft of hydraulic couplers 25, the rotating speed of output shaft are moved and are regulated by motor frequency conversion.Overall efficiency equals frequency variator efficiency and speed regulation type hydrodynamic coupler peak efficiency is long-pending, and overall efficiency when output speed is identical and volumetric speed control efficiency poor be power saving rate, and when output speed is less than or equal to rated speed 75%, power saving rate can reach more than 20%.
Known via above-mentioned technological scheme, compared with prior art, the utility model provides a kind of work frequency conversion switch type hydraulic couplers.The work frequency conversion switch type hydraulic couplers that the utility model provides, comprise gear type stepless speed changer, the output shaft of described gear type stepless speed changer is connected with described work oil pump with described lubricating pump respectively, the input shaft of described gear type stepless speed changer is connected with the output shaft of described gear-box, when motor frequency conversion moves, described gear type stepless speed changer can carry out corresponding adjustment of rotational speed, makes the rotating speed of output shaft can meet lubricating pump and the normal demand of working of work oil pump.Therefore, the technological scheme that the utility model provides, can continue to adopt the mode of gear drive lubricating pump and work oil pump, thereby avoided needing to introduce two motors in prior art and driven respectively lubricating pump and work oil pump, abandon the mode of gear drive, the problem of the extra power consumption of increase bringing, increase electric cost.
Meanwhile, prior art is to add respectively a motor to drive in work oil pump and lubricating pump, generally work oil pump and lubricating pump need to be hauled out to the outside of work frequency conversion switch type hydraulic couplers, increases place and uses, and need to transform place.The work frequency conversion switch type hydraulic couplers that application the utility model provides, because not needing to introduce two motors, do not drive respectively work oil pump and lubricating pump, therefore do not need work oil pump and lubricating pump to haul out the outside of work frequency conversion switch type hydraulic couplers, the problem with regard to having avoided place to transform yet.
In addition, in prior art, two motors be need to introduce and work oil pump and lubricating pump driven respectively, these two motors also need to arrange control cabinet, therefore, can increase many inputs, and the work frequency conversion switch type hydraulic couplers that the utility model provides, only need to increase gear type stepless speed changer, fund input is fewer than prior art.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or control panel, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiments, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To these embodiments' multiple modification, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a work frequency conversion switch type hydraulic couplers, is characterized in that, comprising:
Lubricating pump, work oil pump, gear type stepless speed changer, gear-box and hydraulic couplers;
The output shaft of described gear type stepless speed changer is connected with described work oil pump with described lubricating pump respectively;
The output shaft of described gear-box is connected with the input shaft of described gear type stepless speed changer;
The output shaft of described gear-box is connected with the input shaft of described hydraulic couplers;
Described lubricating pump is connected with described hydraulic couplers respectively with described work oil pump.
2. work frequency conversion switch type hydraulic couplers according to claim 1, is characterized in that, described gear-box is acceleration type gear-box.
3. work frequency conversion switch type hydraulic couplers according to claim 1, is characterized in that, the input shaft of described gear-box is connected with motor.
4. work frequency conversion switch type hydraulic couplers according to claim 3, is characterized in that, described motor is connected with frequency variator.
5. according to the work frequency conversion switch type hydraulic couplers described in claim 3 or 4 any one, it is characterized in that, described frequency variator is connected with programmable logic controller (PLC) PLC.
6. work frequency conversion switch type hydraulic couplers according to claim 5, is characterized in that, described gear type stepless speed changer is connected with described programmable logic controller (PLC) PLC.
7. work frequency conversion switch type hydraulic couplers according to claim 1, is characterized in that, described hydraulic couplers comprises scoop tube.
8. work frequency conversion switch type hydraulic couplers according to claim 1, is characterized in that, described hydraulic couplers comprises pump impeller.
9. work frequency conversion switch type hydraulic couplers according to claim 1, is characterized in that, described hydraulic couplers comprises turbine.
10. work frequency conversion switch type hydraulic couplers according to claim 1, is characterized in that, the output terminal of described hydraulic couplers is connected with feed water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420484519.7U CN204004274U (en) | 2014-08-26 | 2014-08-26 | Work frequency conversion switch type hydraulic couplers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420484519.7U CN204004274U (en) | 2014-08-26 | 2014-08-26 | Work frequency conversion switch type hydraulic couplers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004274U true CN204004274U (en) | 2014-12-10 |
Family
ID=52044277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420484519.7U Active CN204004274U (en) | 2014-08-26 | 2014-08-26 | Work frequency conversion switch type hydraulic couplers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196976A (en) * | 2014-08-26 | 2014-12-10 | 北京联优创展科技有限公司 | Variable frequency and working frequency switchover type hydraulic coupler |
-
2014
- 2014-08-26 CN CN201420484519.7U patent/CN204004274U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196976A (en) * | 2014-08-26 | 2014-12-10 | 北京联优创展科技有限公司 | Variable frequency and working frequency switchover type hydraulic coupler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105417419B (en) | The electric energy-stored workover rig of wide speed regulating range | |
| CN204004274U (en) | Work frequency conversion switch type hydraulic couplers | |
| CN204608681U (en) | The quantitative flushing liquor pressing system in sprinkling truck | |
| CN203801216U (en) | Transmission and lifting device of boat tractor | |
| CN204344860U (en) | The two turbine drives compound gearing of a kind of parallel | |
| CN204175905U (en) | Tractor hydraulic infinitely variable speed transmission | |
| CN107542706A (en) | A kind of hydraulic system for gear-box long duration test | |
| CN205204716U (en) | Electronic energy storage workover rig of wide range speed control scope | |
| CN104196976A (en) | Variable frequency and working frequency switchover type hydraulic coupler | |
| CN203892482U (en) | Double-difference type continuously variable transmission | |
| CN203653110U (en) | Planetary transmission lifting mechanism with variable-speed double motors | |
| CN207018464U (en) | A kind of machine liquid composite transmission based on Stress control | |
| CN204061082U (en) | A kind of pump drive system | |
| CN203796538U (en) | Double-drive acceleration type speed regulation device for large-flow water feed pump | |
| CN201582357U (en) | Stepless speed regulating soft starting device of planet differential worm gear | |
| CN205841133U (en) | A kind of dual output speed changing type air compressor | |
| CN104196696A (en) | Water pump driving system | |
| CN203876577U (en) | Full hydraulic drive mining self-unloading vehicle | |
| CN207864560U (en) | A kind of hybrid drive device | |
| CN102865348A (en) | Power frequency-variable frequency switching type liquid coupling | |
| CN205207579U (en) | Adjustable turbine blade formula hydraulic coupling | |
| CN204739157U (en) | Two -way output combination type speed reducer that adds bearing capacity | |
| CN204403310U (en) | A kind of flexible multidirectional motor reducing transmission device | |
| CN204082584U (en) | A kind of blower fan | |
| CN203471450U (en) | Variable speed drive system of numerically controlled lathe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |