CN207213073U - A kind of flexible load limiting type of constant filling fluid coupling - Google Patents
A kind of flexible load limiting type of constant filling fluid coupling Download PDFInfo
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- CN207213073U CN207213073U CN201721059879.2U CN201721059879U CN207213073U CN 207213073 U CN207213073 U CN 207213073U CN 201721059879 U CN201721059879 U CN 201721059879U CN 207213073 U CN207213073 U CN 207213073U
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- pump impeller
- turbine
- main shaft
- flange
- shell
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Abstract
A kind of flexible load limiting type of constant filling fluid coupling, it includes pump impeller, turbine, shell, driven shaft coupling, main shaft and active joint, driven shaft coupling is fixed with the rear side sealing of pump impeller to be docked and forms backward auxiliary chamber between the two, shell is fixed with the front seal of pump impeller to be docked and forms installation cavity, backward auxiliary chamber is connected with installation cavity, turbine is placed in installation cavity, main shaft is arranged on pump impeller, the co-axial shafts of turbine and shell are in the heart, pump impeller is supported on the rear end of main shaft by bearing, shell is supported on the front end of main shaft by bearing, turbine is fixedly connected with main shaft, pump impeller and turbine are arranged symmetrically so as to form working chamber to ground relatively；The active joint is by flat belt with being fixedly connected on rear side of driven shaft coupling.The utility model can be started with bringing onto load, extend the starting time, reduce starting current, improved the starting capability of standard squirrel-cage motor, so as to reduce shock and vibration, and prevented dynamic overload, flat belt can disconnect when dynamic overload, prolonged mechanical service life.
Description
Technical field
It the utility model is related to fluid coupling field, and in particular to a kind of flexible load limiting type of constant filling fluid coupling.
Background technology
Load limiting type of constant filling fluid coupling is fluid power member a kind of using liquid as working media, that prime mover is coupled with working machine
Part.The basic structure of load limiting type of constant filling fluid coupling is by pump impeller, turbine, shell, backward auxiliary chamber, main shaft, active joint, driven joint etc.
Composition.Pump impeller and turbine are arranged symmetrically, and both form working chamber, and a certain amount of hydraulic fluid is filled in load limiting type of constant filling fluid coupling
With passing power.
When engine drives load limiting type of constant filling fluid coupling pump impeller to rotate by active joint, driven joint, distance-limiting type liquid
The double action that hydraulic fluid in couple clutch working chamber is promoted by centrifugal force and pump impeller blade, by (import) quilt on the inside of pump impeller
Pressurized stream is accelerated to obtain increment to outer rim (outlet), the moment of momentum of liquid, i.e. pump impeller changes into the mechanical energy that engine inputs
Liquid kinetic energy, when the hydraulic fluid with liquid kinetic energy rushes at the turbine on opposite by pump impeller outlet, liquid stream just impulse turbine
Blade, it is allowed to and the equidirectional rotation of pump impeller, that is to say, that liquid kinetic energy is converted into mechanical energy again, and driving turbine rotates and driven
Working machine does work.The hydraulic fluid for releasing liquid kinetic energy flows to turbine outlet by turbine inlet and is again introduced into pump impeller entrance,
Start to circulate next time.Like this, hydraulic fluid goes round and begins again between pump impeller and turbine ceaselessly makees spiral circulation movement,
Turbine drives main shaft and delivers power to working machine.Then output is leaned on input in the case of no any mechanical connection
Liquid kinetic energy just flexibly links together.
In the machine drivings of industry such as mine, handling machinery, building materials in national economy field, especially for
In, in the equipment of low power blower fan, water pump, disintegrating machine, coal pulverizer, conveyer etc., because the kind equipment is in transmission process
Often there are larger shock and vibration, and it is possible that the phenomenon of dynamic overload, therefore to load limiting type of constant filling fluid coupling
Requirement it is higher, damaged with reducing load limiting type of constant filling fluid coupling because by excessive torque.
Utility model content
The purpose of this utility model is to provide a kind of flexible load limiting type of constant filling fluid coupling, to reduce the impact in transmission process
And vibration, while dynamic overload can be prevented.
To achieve the above object, the utility model adopts the technical scheme that：
A kind of flexible load limiting type of constant filling fluid coupling, it includes pump impeller, turbine, shell, driven shaft coupling, main shaft and driving shaft
Section, driven shaft coupling is fixed with the rear side sealing of pump impeller to be docked and forms backward auxiliary chamber between the two, and the front side of shell and pump impeller is close
Sealing is docked and forms installation cavity surely, and backward auxiliary chamber is connected with installation cavity, and turbine is placed in installation cavity, main shaft be arranged on pump impeller,
In the heart, pump impeller is supported on the rear end of main shaft by bearing to the co-axial shafts of turbine and shell, and shell is supported on main shaft by bearing
Front end, turbine are fixedly connected with main shaft, and pump impeller and turbine are arranged symmetrically so as to form working chamber to ground relatively；The active joint
By flat belt with being fixedly connected on rear side of driven shaft coupling.
From the foregoing, it will be observed that when in use, active joint is connected with electric-motor drive, main shaft is connected with working machine, this reality
It is fixedly connected with the active joint of new load limiting type of constant filling fluid coupling by flat belt with driven shaft coupling, so as to drive pump impeller to revolve
Turn, pump impeller drives turbine to rotate and drives working machine to do work by working solution.The utility model be applied in, the machinery of the slow-speed of revolution
On drive apparatus, particularly in, in the equipment of low power blower fan, water pump, disintegrating machine, coal pulverizer, conveyer etc., due to flat skin
Band is torque drive process has flexibility and resiliency the characteristics of, therefore the utility model can be started with bringing onto load, be extended
The dynamic time, starting current is reduced, the starting capability of standard squirrel-cage motor is improved, so as to reduce shock and vibration, Er Qiefang
Stopping power overloads, and when dynamic overload, flat belt can disconnect, prolonged mechanical service life；The utility model is particularly suitable for work
Make bad environments, the less demanding situation of transmission accuracy, because flat belt cost is low, therefore the cost of product can be greatly reduced,
Production requirement can be met simultaneously, and maintenance cost is also low.
As a kind of improvement of the present utility model, the front side of the active joint is provided with first flange, the driven shaft coupling
The rear side of section is provided with second flange, and the screwed hole of the first flange and second flange corresponds, the first flange and the
Connected between the screwed hole of two flanges by flat belt, flat belt is fixedly connected by bolt with screwed hole.
Further, the quantity of the flat belt is 4, and 4 flat belts are evenly distributed on first flange and second flange
Circumferencial direction on.
Further, backing plate is provided between the flat belt and bolt.
Compared with prior art, the utility model has advantages below：
The utility model be applied in, on the mechanical transmission of the slow-speed of revolution, particularly in, low power blower fan, water pump,
In the equipment of disintegrating machine, coal pulverizer, conveyer etc., the utility model can be started with bringing onto load, extend the starting time, reduced and started
Electric current, the starting capability of standard squirrel-cage motor is improved, so as to reduce shock and vibration, prevents dynamic overload, prolonged mechanical
Service life；It is severe that the utility model is particularly suitable for working environment, the less demanding situation of transmission accuracy, due to flat belt
Cost is low, therefore the cost of product can be greatly reduced, while can meet production requirement, and maintenance cost is also low.
Brief description of the drawings
Fig. 1 is the structure chart of the utility model flexibility load limiting type of constant filling fluid coupling.
Embodiment
Content of the present utility model is described in further details with reference to the accompanying drawings and detailed description.It is appreciated that
, specific embodiment described herein is used only for explaining the utility model, rather than to restriction of the present utility model.In addition
It should also be noted that, for the ease of describing, the part related to the utility model rather than full content are illustrate only in accompanying drawing.
Embodiment
It refer to Fig. 1, a kind of flexible load limiting type of constant filling fluid coupling, it includes pump impeller 30, turbine 50, shell 40, driven
Joint 20, main shaft 60 and active joint 10.
The rear side sealing of driven shaft coupling 20 and pump impeller 30 is fixed dock and forms backward auxiliary chamber 21 between the two, shell 40 and
The front seal of pump impeller 30, which is fixed, docks and forms installation cavity 41, and backward auxiliary chamber 21 is connected with installation cavity 41, and turbine 50 is placed in peace
It behave affectedly in 41, main shaft 60 is arranged on the co-axial shafts of pump impeller 30, turbine 50 and shell 40 in the heart, and pump impeller 30 is supported on master by bearing
The rear end of axle 60, shell 40 are supported on the front end of main shaft 60 by bearing, and turbine 50 is fixedly connected with main shaft 60, pump impeller 30 and whirlpool
Wheel 50 is relative to be arranged symmetrically to ground so as to form working chamber 31；The active joint 10 passes through flat belt 70 and driven shaft coupling 20
Rear side be fixedly connected.
From the foregoing, it will be observed that when in use, active joint is connected with electric-motor drive, main shaft is connected with working machine, this reality
It is fixedly connected with the active joint of new load limiting type of constant filling fluid coupling by flat belt with driven shaft coupling, so as to drive pump impeller to revolve
Turn, pump impeller drives turbine to rotate and drives working machine to do work by working solution.
The utility model be applied in, on the mechanical transmission of the slow-speed of revolution, particularly in, low power blower fan, water pump,
In the equipment of disintegrating machine, coal pulverizer, conveyer etc., because flat belt has in torque drive process the spy of flexibility and resiliency
Point, therefore the utility model can be started with bringing onto load, extend the starting time, reduce starting current, and it is electronic to improve standard squirrel-cage
The starting capability of machine, so as to reduce shock and vibration, and dynamic overload is prevented, flat belt can disconnect when dynamic overload, prolong
Long mechanical service life；It is severe that the utility model is particularly suitable for working environment, the less demanding situation of transmission accuracy, due to
Flat belt cost is low, therefore the cost of product can be greatly reduced, while can meet production requirement, and maintenance cost is also low.
In the present embodiment, the active joint passes through flat belt and the specific side that is fixedly connected on rear side of driven shaft coupling
Formula is：The front side of the active joint 10 is provided with first flange 11, and the rear side of the driven shaft coupling 20 is provided with second flange 22,
The screwed hole of the first flange 11 and second flange 22 corresponds, the screwed hole of the first flange 11 and second flange 22
Between connected by flat belt 70, flat belt 70 is fixedly connected by bolt 80 with screwed hole, flat belt pass through flange method will
Active joint is fixedly connected with driven shaft coupling, is easy to remove and repair, and reduces cost of labor.Specifically, the flat belt 70
Quantity is 4, and 4 flat belts 70 are evenly distributed on the circumferencial direction of first flange 11 and second flange 22, and flat belt is uniform
Set, it can be ensured that torque drive uniform and stable.
Moreover, on the basis of the above, backing plate 90 is provided between the flat belt 70 and bolt 80, backing plate can prevent bolt
Loosened between flat belt.
Pump impeller 30 is provided with oil filler plug 32, and shell 40 is provided with fusible plug 42, and oil filler plug 32 and fusible plug 42 during installation
Between stagger the positions of two bolts.To ensure that device is able to safe operation.
In summary, the active joint of the utility model load limiting type of constant filling fluid coupling is fixed by belt and driven shaft coupling
Connection, so as to drive pump impeller to rotate, pump impeller drives turbine to rotate and drives working machine to do work by working solution, with prior art phase
Than with advantages below：
1st, because flat belt is torque drive process has flexibility and resiliency the characteristics of, therefore the utility model can be with
Bringing onto load starts, and extends the starting time, reduces starting current, the starting capability of standard squirrel-cage motor is improved, so as to reduce
Shock and vibration, and dynamic overload is prevented, when dynamic overload, flat belt can disconnect, prolonged mechanical service life；
2nd, the utility model severe, less demanding situation of transmission accuracy, due to flat skin that is particularly suitable for working environment
Band cost is low, therefore the cost of product can be greatly reduced, while can meet production requirement, and maintenance cost is also low；
3rd, active joint is fixedly connected by flat belt by flange method with driven shaft coupling, is easy to remove and repair, and is reduced
Cost of labor.
Above-listed detailed description is illustrating for the utility model possible embodiments, and the embodiment simultaneously is not used to limit
The scope of the claims of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model, it is intended to be limited solely by this case
In the scope of the claims.
Claims (4)
1. a kind of flexible load limiting type of constant filling fluid coupling, including pump impeller, turbine, shell, driven shaft coupling, main shaft and active joint,
Driven shaft coupling is fixed with the rear side sealing of pump impeller to be docked and forms backward auxiliary chamber between the two, and the front seal of shell and pump impeller is consolidated
Dock calmly and form installation cavity, backward auxiliary chamber is connected with installation cavity, and turbine is placed in installation cavity, and main shaft is arranged on pump impeller, turbine
With the co-axial shafts of shell in the heart, pump impeller is supported on the rear end of main shaft by bearing, and shell is supported on the front end of main shaft by bearing,
Turbine is fixedly connected with main shaft, and pump impeller and turbine are arranged symmetrically so as to form working chamber to ground relatively；It is characterized in that：The master
Moving axis section is by flat belt with being fixedly connected on rear side of driven shaft coupling.
2. flexible load limiting type of constant filling fluid coupling according to claim 1, it is characterised in that：Set on front side of the active joint
There is first flange, the rear side of the driven shaft coupling is provided with second flange, the screwed hole one of the first flange and second flange
One correspondence, connected by flat belt between the screwed hole of the first flange and second flange, flat belt passes through bolt and screw thread
Hole is fixedly connected.
3. flexible load limiting type of constant filling fluid coupling according to claim 2, it is characterised in that：The quantity of the flat belt is 4
Bar, 4 flat belts are evenly distributed on the circumferencial direction of first flange and second flange.
4. flexible load limiting type of constant filling fluid coupling according to claim 2, it is characterised in that：Between the flat belt and bolt
Provided with backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721059879.2U CN207213073U (en) | 2017-08-22 | 2017-08-22 | A kind of flexible load limiting type of constant filling fluid coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721059879.2U CN207213073U (en) | 2017-08-22 | 2017-08-22 | A kind of flexible load limiting type of constant filling fluid coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207213073U true CN207213073U (en) | 2018-04-10 |
Family
ID=61816315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721059879.2U Expired - Fee Related CN207213073U (en) | 2017-08-22 | 2017-08-22 | A kind of flexible load limiting type of constant filling fluid coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207213073U (en) |
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2017
- 2017-08-22 CN CN201721059879.2U patent/CN207213073U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 |