CN206708332U - A kind of prolonging with centrifugal valve fills formula coupling device - Google Patents
A kind of prolonging with centrifugal valve fills formula coupling device Download PDFInfo
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- CN206708332U CN206708332U CN201720438232.4U CN201720438232U CN206708332U CN 206708332 U CN206708332 U CN 206708332U CN 201720438232 U CN201720438232 U CN 201720438232U CN 206708332 U CN206708332 U CN 206708332U
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- pump impeller
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Abstract
Coal mine machinery field is the utility model is related to, specifically a kind of prolonging with centrifugal valve fills formula coupling device.Centrifugation valve module is installed at the coupling device pump impeller liquid pass hole; the opening and closing of centrifugation valve module can be controlled with pump impeller input speed; auxiliary chamber enclosure installation shower nozzle plug screw after coupling device; liquid pass hole and throttle orifice are set on shower nozzle plug screw; coupling device is prolonged and fills chamber and is connected with working chamber; the adjustable range of coupler rotor chamber liquid filled ratio is increased, can meet the needs of different operating modes are to coupling device working chamber liquid filled ratio, is effectively improved the startability and overload protection performance of coupling device.
Description
Technical field
Coal mine machinery field is the utility model is related to, specifically a kind of prolonging with centrifugal valve fills formula coupling device.
Background technology
Fluid-flywheel clutch belongs to flexible connection, can realize that overload protection and isolation shake well, installed in motor and work
Between making machine, it is widely used in coal mine machinery field, coupling device is passed by the mutual conversion between mechanical energy and liquid kinetic energy
Pass energy.Liquid filled ratio is to influence the principal element that coupling device transmits watt level, and generally use increases the mode of compensated cavity, in work
Make to set fixed via between chamber and compensated cavity, make working chamber and compensated cavity liquid convection, realize the regulation of working chamber liquid filled ratio,
But the adjustable range of this kind of mode working chamber liquid filled ratio is limited, can not meet the needs of different operating modes are to working chamber liquid filled ratio.
The content of the invention
In order to increase the adjustable range of hydraulic coupler rotor chamber liquid filled ratio, meet different operating modes to working chamber liquid filled ratio
Demand, the utility model provide a kind of prolonging with centrifugal valve and fill formula coupling device.
Technical scheme is used by the utility model solves its technical problem：A kind of prolonging with centrifugal valve fills formula coupling device
Pump impeller 4 and turbine 5 form working chamber A, and rear auxiliary chamber enclosure 2 and pump impeller 4, which form to prolong, fills chamber B, sets to prolong on pump impeller 4 and fills hole b, mistake
Fluid apertures a, the installation centrifugation valve module 11 at liquid pass hole a, centrifuges and sets through hole e to be connected with liquid pass hole a on valve module 11, rear auxiliary room
Shell 2 is threaded hole f and liquid pass hole g, and screwed hole f connects with liquid pass hole g, and shower nozzle plug screw 10 is arranged on rear auxiliary chamber enclosure 2
Screwed hole f on, the top of shower nozzle plug screw 10 is outer-hexagonal structure, easy disassembly, and bottom centre opens liquid pass hole d, and side is uniformly opened
If three throttle orifice c, prolonging on pump impeller 4 fills hole b and penetrated by liquid pass hole g, throttle orifice c and liquid pass hole d and screwed hole f.Motor
During startup, input speed is low, and centrifugation valve module 11 is acted on by the elastic force of spring 14, and valve element 15 is located at the bottom of valve body 13, valve body 13
On through hole e open, the liquid in working chamber A enters to prolong by centrifugal valve through hole e fills chamber B, as input speed raises, centrifugation
Power increases, and during more than spring force, centrifugation valve module 11 is closed, and prolongs and fills liquid in chamber B and enter work under the influence of centrifugal force
Chamber A, working machine start.Because some reasons such as apparatus overload or pressure drop of grid cause output power of motor increase, rotating speed drop
When low, the rotating speed of pump impeller 4 is reduced, and when reaching setting speed, centrifugation valve module 11 is opened, through hole e conductings, the liquid in working chamber A
Chamber B is filled into prolonging, working chamber A liquid filled ratios reduce, and cause fluid-flywheel clutch to transmit torque and reduce, motor load reduces, equipment mistake
Protection is carried, motor accelerates immediately, and when reaching setting speed, centrifugation valve module 11 is closed, and through hole e is closed, and prolongs and fills liquid in chamber B and exist
Enter working chamber A in the presence of centrifugal force, fluid-flywheel clutch transmits torque increase, and equipment is transferred to normal operation, and the process is being set
Motor peak power, which can be recycled, while standby overload protection overcomes load.
The beneficial effects of the utility model are：The adjustable range of coupler rotor chamber liquid filled ratio is increased, difference can be met
Operating mode is effectively improved the startability and overload protection performance of coupling device to the demand of working chamber liquid filled ratio.
Brief description of the drawings
Fig. 1 is the structure chart that a kind of prolonging with centrifugal valve of the utility model fills formula coupling device.
Fig. 2 is the utility model shower nozzle screw plug structure figure.
Fig. 3 is centrifugal valve assembly assumption diagram of the present utility model.
In figure：1. inputting adapter sleeve, auxiliary chamber enclosure after 2., 3. fluid injection plugs, 4. pump impellers, 5. turbines, 6. shells, 7. is explosive
Plug, 8. main shafts, 9. fusible plugs, 10. shower nozzle plug screws, 11. centrifugation valve modules, 12. terminal pads, 13. valve bodies, 14. springs, 15. valves
Core, A. working chambers, B., which prolongs, fills chamber, a. liquid pass holes, and b., which prolongs, fills hole, c. throttle orifices, d. liquid pass holes, e. through holes, f. screwed holes, g. mistakes
Fluid apertures.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
A kind of prolonging with centrifugal valve of the utility model, which fills formula coupling device, to be included：Input adapter sleeve 1, rear auxiliary chamber enclosure 2, fluid injection
Plug 3, pump impeller 4, turbine 5, shell 6, explosive plug 7, main shaft 8, fusible plug 9, terminal pad 12, input adapter sleeve 1 are logical with terminal pad 12
Elastomer block connection is crossed, terminal pad 12 passes sequentially through bolt-connection with rear auxiliary chamber enclosure 2, pump impeller 4, shell 6, and turbine 5 is logical with main shaft 8
Bolt connection is crossed, sets to prolong on pump impeller 4 and fills hole b, liquid pass hole a, centrifugation valve module 11, centrifugal valve are installed at pump impeller liquid pass hole a
Through hole e is set to be connected with liquid pass hole a on component 11, rear auxiliary chamber enclosure 2 is threaded hole f and liquid pass hole g, and screwed hole f is with crossing liquid
Hole g is connected, and shower nozzle plug screw 10 is arranged on the screwed hole f of rear auxiliary chamber enclosure 2, and the maximum cylindrical place of pump impeller 4 is provided with fluid injection plug 3
With fusible plug 9, explosive plug 7 is arranged on shell 6.The top of shower nozzle plug screw 10 is outer-hexagonal structure, is easy to dismount, bottom centre opens
Liquid pass hole d, side uniformly open up three throttle orifice c, and prolonging on pump impeller 4 fills hole b and pass through liquid pass hole g, throttle orifice c and liquid pass hole d
Connected with screwed hole f.
Pump impeller 4 and turbine 5 form working chamber A, and rear auxiliary chamber enclosure 2 and pump impeller 4, which form to prolong, fills chamber B, and motor driven pump impeller 4 opens
When dynamic, rotating speed is relatively low, and the valve element 15 for centrifuging valve module 11 is located at the bottom of valve body 13, through hole e conductings, work by the effect of the elastic force of spring 14
Make that the liquid in chamber A passes sequentially through liquid pass hole a, centrifugation valve module through hole e enters to prolong and fills chamber B, the liquid filled with time delay in chamber B exists
Screwed hole f, liquid pass hole d are passed sequentially through under centrifugal action, throttle orifice c, liquid pass hole g, prolongs and fills hole b and enter working chamber A, liquid exists
Working chamber A and prolonging fills circulative convection between chamber B, slowly sets up initial starting moment, realizes equipment soft start.Motor speed liter
Height, the valve element 15 centrifuged in valve module 11 are moved up by centrifugal action and block through hole e, and centrifugal valve is closed, and are prolonged and are filled liquid in chamber B and exist
Screwed hole f, liquid pass hole d, throttle orifice c, liquid pass hole g are passed sequentially through under centrifugal action and is prolonged and is filled hole b and enter working chamber A, is established
Staring torque, ensure that equipment starts ability, complete start-up course.
Equipment instantaneous overload, output power of motor rise, reach peak power, while power output increase, rotating speed reduce,
I.e. the input speed of coupling pump impeller 4 reduces, and when reaching setting speed, centrifugal force suffered by the valve element 15 of centrifugation valve module 11 subtracts
Small to the elastic force of spring 14 is less than, valve element 15 moves down, through hole e conductings, and the liquid in working chamber A passes sequentially through liquid pass hole a, centrifugal valve
Component through hole e, which enters to prolong, fills chamber B, and working chamber A liquid filled ratios reduce, and causes fluid-flywheel clutch to transmit torque and reduces, motor load subtracts
It is small, apparatus overload protection.Motor accelerates immediately, and when reaching setting speed, centrifugal force increase valve element 15 moves up suffered by centrifugal valve, blocks up
Live in through hole e, prolong fill liquid in chamber B pass sequentially through under the action of the centrifugal force screwed hole f, liquid pass hole d, throttle orifice c, liquid pass hole g and
Prolong and fill hole b and enter working chamber A, fluid-flywheel clutch transmits torque increase, and equipment is transferred to normal operation, and the process is protected in apparatus overload
Motor peak power can be recycled while shield and overcomes load.
There is instantaneous pressure drop of grid in working face, and output power of motor reduces, and output speed reduces, i.e. coupling pump impeller
4 input speeds reduce, and when reaching setting speed, centrifugal force suffered by centrifugation valve module 11 decreases below the elastic force of spring 14, valve element
15 move down, through hole e conductings, and the liquid in working chamber A passes sequentially through liquid pass hole a, centrifugation valve module 11 through hole e enters to prolong and fills chamber B,
Working chamber A liquid filled ratios reduce, and cause fluid-flywheel clutch to transmit torque and reduce, and motor load reduces, apparatus overload protection.Voltage is extensive
After multiple, motor starts to accelerate, and when reaching setting speed, centrifugal force suffered by centrifugation valve module 11 is increased above the elastic force of spring 14,
Through hole e is blocked, is prolonged and is filled liquid in chamber B and pass sequentially through screwed hole f, liquid pass hole d, throttle orifice c, liquid pass hole g under the action of the centrifugal force
Fill hole b with prolonging and enter working chamber A, fluid-flywheel clutch transmits torque increase, and equipment is transferred to normal operation.
Claims (2)
1. a kind of prolonging with centrifugal valve fills formula coupling device, including input adapter sleeve (1), rear auxiliary chamber enclosure (2), fluid injection plug (3), pump
Take turns (4), turbine (5), shell (6), it is explosive plug (7), main shaft (8), fusible plug (9), terminal pad (12), input adapter sleeve (1) with
Terminal pad (12) is coupled by elastomer block, and terminal pad (12) passes sequentially through spiral shell with rear auxiliary chamber enclosure (2), pump impeller (4), shell (6)
Bolt couples, and turbine (5) is bolted with main shaft (8), sets to prolong on pump impeller (4) and fills hole b, liquid pass hole a, it is characterised in that
Centrifugation valve module (11) is installed at pump impeller liquid pass hole a, centrifuges and sets through hole e to be connected with liquid pass hole a on valve module, rear auxiliary outdoor
Shell (2) is threaded hole f and liquid pass hole g, and screwed hole f connects with liquid pass hole g, and shower nozzle plug screw (10) is arranged on rear auxiliary chamber enclosure
(2) on screwed hole f, the maximum cylindrical place of pump impeller (4) is provided with fluid injection plug (3) and fusible plug (9), and explosive plug (7) is arranged on outer
On shell (6).
2. a kind of prolonging with centrifugal valve according to claim 1 fills formula coupling device, it is characterised in that：Described shower nozzle plug screw
(10), top is outer-hexagonal structure, and bottom centre opens liquid pass hole d, and side uniformly opens up three throttle orifice c, prolonging on pump impeller (4)
Hole b is filled to connect with screwed hole f by liquid pass hole g, throttle orifice c and liquid pass hole d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720438232.4U CN206708332U (en) | 2017-04-18 | 2017-04-18 | A kind of prolonging with centrifugal valve fills formula coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720438232.4U CN206708332U (en) | 2017-04-18 | 2017-04-18 | A kind of prolonging with centrifugal valve fills formula coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206708332U true CN206708332U (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720438232.4U Active CN206708332U (en) | 2017-04-18 | 2017-04-18 | A kind of prolonging with centrifugal valve fills formula coupling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397712A (en) * | 2018-05-29 | 2019-11-01 | 中煤张家口煤矿机械有限责任公司 | A kind of delayed startup load limiting type of constant filling fluid coupling |
-
2017
- 2017-04-18 CN CN201720438232.4U patent/CN206708332U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397712A (en) * | 2018-05-29 | 2019-11-01 | 中煤张家口煤矿机械有限责任公司 | A kind of delayed startup load limiting type of constant filling fluid coupling |
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