CN201696575U - Mechanical adjustable-speed hydraulic coupler control system - Google Patents
Mechanical adjustable-speed hydraulic coupler control system Download PDFInfo
- Publication number
- CN201696575U CN201696575U CN2009202903816U CN200920290381U CN201696575U CN 201696575 U CN201696575 U CN 201696575U CN 2009202903816 U CN2009202903816 U CN 2009202903816U CN 200920290381 U CN200920290381 U CN 200920290381U CN 201696575 U CN201696575 U CN 201696575U
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- valve
- liquid
- fluid coupling
- hydraulic
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Abstract
A mechanical adjustable-speed hydraulic coupler control system relates to a hydraulic coupler and is characterized by comprising a fluid filling pipeline, a fluid drainage pipeline and an overflow pipeline. The hydraulic coupler is connected with a fluid filling valve connected with a pressure control switch via an electromagnetic valve, the fluid filling valve is connected with a hydraulic case via a flow controller, a pressure adjusting valve, a filter and a fluid filling pump to form the fluid filling pipeline, the fluid drainage pipeline includes a fluid draining pump pipe connected with the hydraulic coupler, a fluid drainage pump is connected to the hydraulic case via a fluid drainage fast connector, and the overflow pipeline comprises an overflow pipe directly connected with the hydraulic coupler. The control system solves the problems existing in a conventional coupler, is extremely convenient and speedy in maintenance, greatly prolongs the service life of the coupler, and simultaneously greatly reduces failure rate of the coupler.
Description
Technical field
The utility model is applied to fluid coupling control field, specifically a kind of mechanical governing type fluid coupling control system.
Background technique
Comprehensively to having the analysis of variable speed fluid coupling control system now, find following problem of ubiquity and shortcoming: 1) existing control system, parts are many, the fault point is many, control mostly is after obtaining signal by sensor (temperature, speed, pressure), after the PLC director demon is handled, deliver to the coupler control electromagnetic valve, implement control.2) in the existing control system, coupler often is in the condition of high temperature, and for the aqueous medium coupler, internal incrustation is serious, greatly reduces working life, and has increased the input of cooler even water making machine.3) existing control system is made difficulty, the cost height, and cost performance is low.4) field maintenance complexity has only the sturdy veteran professional workforce of dynamo-electric knowledge, could progressively find the fault point, time-consuming length, and influence is produced.
The main cause that has above problem is not take into full account the variable speed fluid coupling bad working environment, designs too idealizedly, and the marrow that requires for hydraulic coupler rotor lacks thorough understanding.
The model utility content
The purpose of this utility model is to provide a kind of mechanical governing type fluid coupling control system, adopts the field control of Purely mechanical, and reliable performance is simple in structure, practical.
The technical scheme in the invention for solving the technical problem is: this kind mechanical governing type fluid coupling control system, relate to a fluid coupling, and it is characterized in that, comprise charging line, drain line, overflow passage; One implementation of port is arranged on the housing of described fluid coupling, and described implementation of port connects a liquid-filling valve, and described liquid-filling valve is the bi-bit bi-pass structure, is provided with overflow ducts and topping up passage in the described liquid-filling valve; Described overflow ducts outlet connects a pressure control switch through a solenoid valve; Described pressure control switch is the bi-bit bi-pass structure, and described hydraulic control switch is provided with overflow ducts and hydraulic control mouth, and the outlet of overflow ducts is connected to hydraulic fluid tank, and described hydraulic control mouth connects fluid coupling through two control unidirectional three-way valves; The liquid entering hole of described liquid-filling valve is subjected to the electromagnetic valve that is electrically connected with the time relay, and the import of described liquid-filling valve connects hydraulic fluid tank behind flow dontroller, pressure regulator valve, filter and charging pump, form quick charging line;
Described drain line comprises a discharge opeing pump line, and described discharge opeing pump line connects fluid coupling, and the liquid outlet of described discharge opeing pump line is connected to hydraulic fluid tank through discharge opeing rapid pipe joint;
Described overflow passage is by forming with the direct-connected spill pipe of fluid coupling.
Described liquid-filling valve comprises valve body, described valve inner has first cavity that is formed by overflow ducts and second cavity that is formed by the topping up passage, be provided with movable topping up glue film between described first cavity and second cavity, the topping up glue film is connected with liquid-filling valve is stifled, and described topping up glue film is by the spring pretension.
Described pressure control switch comprises the switch valve body, described valve inner has the 4th cavity that formed by overflow ducts and by the 3rd cavity of hydraulic control interruption-forming, be provided with the cut-off diaphragm of flexible connection between described the 3rd cavity and the 4th cavity, described cut-off diaphragm connects the switch spool and switch valve is stifled, described cut-off diaphragm is in normally open by the switch spring pretension.
The beneficial effects of the utility model are: by this control system, make that the fluid coupling soft starting characteristic is good, run well, bearing operation safety can be effectively protected in full liquid, not overflow of input and output shaft, do not overcharge, the coupler internal pressure remains a barometric pressure, and the coupler internal liquid does not produce high temperature, non-scaling, has solved the problem that existing coupler exists, keep in repair extremely convenient and swift, the working life of having improved coupler greatly; Significantly reduced the rate of fault of fluid coupling simultaneously.
Description of drawings
Fig. 1 is control principle figure of the present utility model;
Fig. 2 is a liquid-filling valve structural drawing of the present utility model;
Fig. 3 is a pressure control switch structural drawing of the present utility model;
Among the figure: 1 fluid coupling, 21 implementation of port, 22 control mouths, 23 liquid ports, 24 spill pipes, 3 liquid-filling valves, 31 topping up valve bodies, 32 topping up springs, 33 stainless steel sheets, 34 topping up glue films, 35 liquid-filling valves are stifled, 36 first cavitys, 37 second cavitys, the outlet of 38 overflow ducts, 39 main fluid path imports, the outlet of 391 main fluid paths, 4 hydraulic fluid tanks, 5 pressure control switch, 51 switch valve bodies, 52 switch springs, 53 switch spools, 54 switch valves are stifled, 55 cut-off diaphragms, 56 the 3rd cavitys, 57 the 4th cavitys, 58 hydraulic control mouths, 59 overflows outlet, 591 overflow inlet, 6 solenoid valves, 7 flow dontrollers, 8 pressure regulator valves, 9 filters, 10 pairs of control unidirectional three-way valves, 11 discharge opeing rapid pipe joints, 12 discharge opeing pump lines, the t time relay.
Embodiment
As shown in Figure 1, mechanical governing type fluid coupling control system, relate to a fluid coupling, the housing of described fluid coupling 1 is provided with three interfaces that connect with the external world, forms charging line, drain line, overflow passage jointly with peripheral hydraulic element.
Charging line is: implementation of port 21, control mouth 22, liquid port 23 are arranged on the housing of described fluid coupling 1, described implementation of port 21 connects liquid-filling valve 3 by relevant pipeline, described liquid-filling valve 3 comprises main fluid path import 39, main fluid path outlet 391 and overflow ducts outlet 38, and described liquid-filling valve 3 structures are (as Fig. 2):
Comprise topping up valve body 31, topping up spring 32, stainless steel sheets 33, topping up glue film 34, stifled 35 and first cavity 36 of liquid-filling valve, second cavity 37.During the topping up state, valve stifled 35 is in upper, is open mode, and overflow ducts is opened overflow, and the topping up passage is opened feed liquor, and fluid coupling is carried out quick topping up.Described overflow ducts outlet 38 connects pressure control switch 5 through solenoid valve 6, and described pressure control switch 5 comprises hydraulic control mouth 58, overflow outlet 59 and overflow inlet 591.Described pressure control switch 5 structures are (as Fig. 3):
Comprise that switch valve body 51, switch spring 52, switch spool 53, switch valve are stifled 54, cut-off diaphragm 55 and the 3rd cavity 56, the 4th cavity 57.Described pressure control switch 5 is provided with overflow ducts and hydraulic control mouth 58, and the overflow outlet 59 of overflow ducts is connected to hydraulic fluid tank 4, and described hydraulic control mouth 58 connects the control mouth 22 of fluid coupling 1 through two control unidirectional three-way valves 10.
Solenoid valve 6 and hydraulic control switch 5 that the liquid entering hole of described liquid-filling valve 3 is subjected to be electrically connected with time relay t are controlled, and the import of described liquid-filling valve 3 connects hydraulic fluid tank 4 behind flow dontroller 7, pressure regulator valve 8, charging pump 10 and filter 9, form charging line.
Described drain line comprises a discharge opeing pump line 12, described discharge opeing pump line 12 connects the liquid port 23 of fluid coupling 1, the liquid outlet of described discharge opeing pump line 12 is connected to hydraulic fluid tank 4 through discharge opeing rapid pipe joint 11, at employed liquid medium is under the situation of water, hydraulic fluid tank also can omit, and liquid medium directly discharges and gets final product.
The overflow ducts of described pressure control switch 5 is in normally open.
Described overflow passage comprises and the direct-connected spill pipe 24 of fluid coupling, is in normally open.
Its working procedure is: during start, in the time of main electric motor starting, time relay t trigger, than main electric motor starting time delays 15-20 after second, utilize time relay t to connect the 12V DC electrical source of solenoid valve 6, make solenoid valve 6 by the normally closed normally open that transfers to, the charging line of liquid-filling valve 3 is fast to fluid coupling 1 topping up at this moment, along with being on the increase of fluid coupling 1 intracavity liquid, fluid coupling is realized normal soft start.When the liquid in the fluid coupling chamber is raised to the liquid measure scope of setting, switch spring 52 in the pressure control switch 5 begins action, pressure control switch 5 overcomes spring force and closes by often opening to be converted to automatically, liquid-filling valve cuts out immediately, stop topping up, so just guaranteed the full liquid of fluid coupling, but do not overcharged; Because drain line is often opened, fluid coupling 1 internal liquid progressively reduces, pressure control switch 5 is opened under switch spring 52 elastic force effects automatically, pressure control switch 5 strike-ons are opened, liquid-filling valve 3 is opened immediately, once more fluid coupling 1 is carried out topping up, keep transient equiliblium, guarantee that fluid coupling 1 runs well in the liquid filling amount scope of determining.When needing to shut down; main motor and time relay t cut off the power supply simultaneously; also outage immediately of solenoid valve 6 under time relay t control; liquid-filling valve 3 cuts out under solenoid valve 6 controls; stop topping up; fluid coupling 1 inner remaining liquid is discharged outside the fluid coupling by discharge opeing pump line 12 and spill pipe 24, and fluid coupling shuts down.Because this system is equipped with two control unidirectional three-way valves 10, also normally safe operation of main motor counter-rotating.
The working principle that the utility model is most crucial, the most basic according to variable speed fluid coupling, more direct, more accurate, faster to the operating mode control of coupler, solved the shortcoming that existing control system exists fully.The fault point is by original tens, is reduced to severally, as long as 12 volts DC electrical source, reaching working medium does not have impurity (clean more certainly good more) above 3 millimeters of diameters, and control system and coupler just can proper functioning.
Except that the described technical characteristics of specification, be the known technology of those skilled in the art.
Claims (3)
1. a mechanical governing type fluid coupling control system relates to a fluid coupling, it is characterized in that, comprises charging line, drain line, overflow passage; One implementation of port is arranged on the housing of described fluid coupling, and described implementation of port connects a liquid-filling valve, and described liquid-filling valve is the bi-bit bi-pass structure, is provided with overflow ducts and topping up passage in the described liquid-filling valve; Described overflow ducts outlet connects a pressure control switch through a solenoid valve; Described pressure control switch is the bi-bit bi-pass structure, and described hydraulic control switch is provided with overflow ducts and hydraulic control mouth, and the outlet of described overflow ducts is connected to hydraulic fluid tank, and described hydraulic control mouth connects fluid coupling through two control unidirectional three-way valves; The liquid entering hole of described liquid-filling valve is subjected to the electromagnetic valve that is electrically connected with the time relay, and the import of described liquid-filling valve connects hydraulic fluid tank behind flow dontroller, pressure regulator valve, filter and charging pump, form quick charging line;
Described drain line comprises a discharge opeing pump line, and described discharge opeing pump line connects fluid coupling, and the liquid outlet of described oil extraction pump line is connected to described hydraulic fluid tank through discharge opeing rapid pipe joint;
Described overflow passage is by forming with the direct-connected spill pipe of fluid coupling.
2. mechanical governing type fluid coupling control system according to claim 1, it is characterized in that, described liquid-filling valve comprises valve body, described valve inner has first cavity that is formed by overflow ducts and second cavity that is formed by the topping up passage, be provided with movable topping up glue film between described first cavity and second cavity, the topping up glue film is connected with liquid-filling valve is stifled, and described topping up glue film is by the spring pretension.
3. mechanical governing type fluid coupling control system according to claim 1 and 2, it is characterized in that, described pressure control switch comprises the switch valve body, described valve inner has the 4th cavity that formed by overflow ducts and by the 3rd cavity of hydraulic control interruption-forming, be provided with the cut-off diaphragm of flexible connection between described the 3rd cavity and the 4th cavity, described cut-off diaphragm connects the switch spool and switch valve is stifled, and described cut-off diaphragm is in normally open by the switch spring pretension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202903816U CN201696575U (en) | 2009-12-22 | 2009-12-22 | Mechanical adjustable-speed hydraulic coupler control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202903816U CN201696575U (en) | 2009-12-22 | 2009-12-22 | Mechanical adjustable-speed hydraulic coupler control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201696575U true CN201696575U (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202903816U Expired - Fee Related CN201696575U (en) | 2009-12-22 | 2009-12-22 | Mechanical adjustable-speed hydraulic coupler control system |
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| CN (1) | CN201696575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542921A (en) * | 2017-08-28 | 2018-01-05 | 中国煤炭科工集团太原研究院有限公司 | The self-operated type tank level control system of coupling device |
-
2009
- 2009-12-22 CN CN2009202903816U patent/CN201696575U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542921A (en) * | 2017-08-28 | 2018-01-05 | 中国煤炭科工集团太原研究院有限公司 | The self-operated type tank level control system of coupling device |
| CN107542921B (en) * | 2017-08-28 | 2019-11-08 | 中国煤炭科工集团太原研究院有限公司 | The self-operated type tank level control system of coupling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20141222 |
|
| EXPY | Termination of patent right or utility model |