CN104006137B - Liquid type fluid coupling device is filled in a kind of open type valve control - Google Patents
Liquid type fluid coupling device is filled in a kind of open type valve control Download PDFInfo
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- CN104006137B CN104006137B CN201410223331.1A CN201410223331A CN104006137B CN 104006137 B CN104006137 B CN 104006137B CN 201410223331 A CN201410223331 A CN 201410223331A CN 104006137 B CN104006137 B CN 104006137B
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- pump impeller
- coupling device
- adapter sleeve
- turbine
- filled
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/04—Combined pump-turbine units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/24—Details
- F16H41/30—Details relating to venting, lubrication, cooling, circulation of the cooling medium
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of soft starting device, belong to coal mine machinery technical field, liquid type fluid coupling device is filled in specifically a kind of open type valve control. for the deficiency of underground coal mine high-power scraper conveyor operation characteristic and existing drive technology, a kind of open type valve control is provided to fill liquid type fluid coupling device, primarily of body frame body, subframe body, pump impeller, turbine, transmission shaft, centrifugal valve, fill liquid electromagnetic valve, tachogenerator, temperature sensors etc. form, adopt two pump impeller, double-turbine structure is to increase moment transmission capacity, design centrifugal valve structure is to adjust working chamber liquid filled ratio, transmission shaft connects employing without key interference fit joint with turbine adapter sleeve, reduce while ensureing torque and space is installed, entirety has good cooling certainly, soft startup, overload protection and power balance performance, simple and convenient operation and maintenance, for the high-power scraper conveyor in colliery is efficient, steady running provides reliable guarantee.
Description
Technical field
The present invention relates to a kind of soft starting device, belong to coal mine machinery technical field, liquid type fluid coupling device is filled in specifically a kind of open type valve control.
Background technology
Scraper conveyor is underground coal mine fortune coal key equipment, it is desired to its transmission mechanism has good soft startability, overload protection performance and the performance that operates steadily. Currently, conventional transmission mechanism has friction limit square device, load limiting type of constant filling fluid coupling, valve control liquid-filled fluid coupling device, speed control by frequency variation and CST controllable initiating device. Friction limit square device does not have soft startability, and the soft startability of load limiting type of constant filling fluid coupling is poor, is applicable to middle low power scraper conveyor; Speed control by frequency variation is expensive, starts moment little, and overload magnification is low; CST controllable initiating apparatus structure is complicated, requires higher, difficult in maintenance to operational conditions; It is superior that liquid type fluid coupling device over-all properties is filled in valve control, applies comparatively extensive on high-power scraper conveyor. Valve control is filled liquid type fluid coupling device and is divided into enclosed system and opened system two kinds, enclosed valve control is filled liquid type fluid coupling device and is equipped with prefill valve, tapping valve, recycle valve and water cooler, the liquid discharged returns in coupling device chamber after cooling, form enclosed system, it is equipped with temperature, pressure and tachogenerator monitoring coupling device water temperature, hydraulic pressure and output speed and participates in logic control, sequence of control is complicated, and trouble spot is many; Open type valve control is filled liquid type fluid coupling device and is equipped with prefill valve, opens prefill valve and fills liquid to coupling device, is discharged to the external world from discharge opeing mouth when overcharging, form opened system, outfit temperature and tachogenerator monitor coupling device water temperature and output speed, and sequence of control simplifies, and trouble spot is reduced.
Summary of the invention
It is an object of the invention to the deficiency for underground coal mine high-power scraper conveyor operation characteristic and existing drive technology, a kind of soft starting device is provided, it is that liquid type fluid coupling device is filled in a kind of open type valve control specifically, meet the high-power scraper conveyor in colliery to the demand of soft starting device, for it is efficient, steady running provides reliable guarantee.
The technical solution adopted for the present invention to solve the technical problems is: primarily of body frame body, subframe body, pump impeller, turbine, transmission shaft, centrifugal valve, fill liquid electromagnetic valve, the composition such as temperature sensor, tachogenerator. body frame body 4 and subframe body 1 pass through bolt-connection, formation coupling device is overall, motor adapter sleeve 18, input adapter sleeve 14, input side pump impeller 20, pump impeller adapter sleeve 23, outgoing side pump impeller 25 connects successively, motor adapter sleeve 18 connects with motor output shaft, input side turbine 21, outgoing side turbine 24 connects with turbine adapter sleeve 45 respectively, turbine adapter sleeve 45 successively with transmission shaft 36, export resilient coupling 8 to connect, export resilient coupling 8 to connect with reducer input shaft, filling liquid electromagnetic valve 6 is installed on body frame body 4, and reservoir channel 26 is set, uniform 4 centrifugal valves 22 in pump impeller adapter sleeve 23 periphery, uniform 6 overflow weirs 16 in input side pump impeller 20 side, discharge opeing block 2 is installed on subframe body 1, mounting temperature sensor 3 on discharge opeing block 2, discharge opeing block 2 connects with bend pipe 13 and spoon pipe 19 successively, tachogenerator 7 is installed on end cap 33.
During shutdown, centrifugal valve 22 is opened condition, and coupler rotor intracavity liquid flows out through centrifugal valve 22, and it being discharged to the external world through leakage hole 9, during electric motor starting, coupling device intracavity liquid is empty, empty load of motor starts, and when motor rotating speed reaches specified, centrifugal valve 22 is closed; Opening and fill liquid electromagnetic valve 6 and fill liquid to coupling device, by the conversion transmission of " pump impeller mechanical energy-liquid kinetic energy-turbomachinery energy ", equipment starts gradually, when coupling device output speed reaches set(ting)value, closes and fills liquid electromagnetic valve 6, it is achieved the soft startup of equipment; Coupling device discharge opeing temperature is detected by temperature sensor 3, water spacer is changed in control, open and fill liquid electromagnetic valve 6 to coupling device injection cold water, in coupler rotor chamber, hot water is flowed out by the overflow weir 16 on input side pump impeller 20, and it being discharged to the external world through spoon pipe 19, bend pipe 13 and discharge opeing block 2, coupling device is from cooling; During overload, coupling device cavity temperature sharply raises when arriving set(ting)value, and program performs parking, it is achieved apparatus overload is protected; " coupling device is sliding poor " regulates automatically with load change, it is achieved plant capacity balances.
The invention has the beneficial effects as follows: the valve control of the present invention is filled liquid type fluid coupling device and adopted opened system; there is good cooling certainly, soft startup, overload protection and power balance performance; simple and convenient operation and maintenance, for the high-power scraper conveyor in colliery is efficient, steady running provides reliable guarantee.
Accompanying drawing explanation
Liquid type fluid coupling device outside view is filled in the open type valve control that Fig. 1 is the present invention.
Liquid type fluid coupling device right view is filled in the open type valve control that Fig. 2 is the present invention.
Liquid type fluid coupling device left view is filled in the open type valve control that Fig. 3 is the present invention.
Liquid type fluid coupling device vertical view is filled in the open type valve control that Fig. 4 is the present invention.
Liquid type fluid coupling device cut-away view is filled in the open type valve control that Fig. 5 is the present invention.
Liquid type fluid coupling device centrifugal valve structure iron is filled in the open type valve control that Fig. 6 is the present invention.
Liquid type fluid coupling device spoon pipe structure iron is filled in the open type valve control that Fig. 7 is the present invention.
In figure: 1, subframe body; 2, discharge opeing block; 3, temperature sensor; 4, body frame body; 5, body frame body viewing window; 6, liquid electromagnetic valve is filled; 7, tachogenerator; 8, resilient coupling is exported; 9, leakage hole; 10, subframe body viewing window; 11, wire hole; 12, breather hole; 13, bend pipe; 14, adapter sleeve is inputted; 15, grease adding mouth; 16, overflow weir; 17, packing_seal; 18, motor adapter sleeve; 19, spoon pipe; 19.1, steel pipe; 19.2, steel ball; 20, input side pump impeller; 21, input side turbine; 22, centrifugal valve; 22.1, centrifugal valve seat; 22.2, bonded washer; 22.3, spring; 22.4, steel ball; 22.5, limiting plate; A, through hole; B, flowing hole; 23, pump impeller adapter sleeve; 24, outgoing side turbine; 25, outgoing side pump impeller; 26, reservoir channel; 27, hydraulic balance hole; 28, outgoing side choked flow dish; 29, pump impeller baffle plate; 30, seal cartridge; 31, little outside framework oil seal; 32, bearing support; 33, end cap; 34, big outside framework oil seal; 35, dustband; 36, transmission shaft; 37, big bearing; 38, big axle sleeve; 39, posticum; 40, little bearing; 41, auxiliaring shell; 42, little axle sleeve; 43, double-lip seal ring; 44, chuck; 45, turbine adapter sleeve; 46, high pressure oilhole; 47, holding bolt; 48, input side choked flow dish; 49, lower cover; 50, gland; 51, pump impeller shell; 52, block plate
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described:
Body frame body 4 and subframe body 1 pass through bolt-connection, formation coupling device is overall, motor adapter sleeve 18, input adapter sleeve 14, input side pump impeller 20, pump impeller adapter sleeve 23, outgoing side pump impeller 25 connects successively, motor adapter sleeve 18 connects with motor output shaft, input motor power, input side turbine 21, outgoing side turbine 24 connects with turbine adapter sleeve 45 respectively, turbine adapter sleeve 45 successively with transmission shaft 36, export resilient coupling 8 to connect, export resilient coupling 8 to connect with reducer input shaft, filling liquid electromagnetic valve 6 is installed on body frame body 4, and reservoir channel 26 is set, uniform 4 centrifugal valves 22 in pump impeller adapter sleeve 23 periphery, uniform 6 overflow weirs 16 in input side pump impeller 20 side, discharge opeing block 2 is installed on subframe body 1, mounting temperature sensor 3 on discharge opeing block 2, discharge opeing block 2 connects with bend pipe 13 and spoon pipe 19 successively, tachogenerator 7 is installed on end cap 33, bottom, body frame body 4 side symmetry offers 2 leakage holes 9.
Filling liquid electromagnetic valve 6 for guide electromagnetic valve, provide 12V direct current to control its break-make by controller, connect DN38 sebific duct, for flow quantity 160��240L/min, water medium is entered in coupling device chamber by reservoir channel 26. Discharge opeing block 2 connects DN38 sebific duct discharge opeing, temperature sensor 3 is installed on discharge opeing block 2, monitoring coupling device temperature at discharging condensate, sets coupling device with this and changes water spacer, load hour, the sliding difference of coupling device is little, coupling device intracavity liquid heats up slow, changes water spacer long, otherwise, coupling device intracavity liquid quick heating, changes water spacer short; During overload, coupling device cavity temperature sharply raises when arriving set(ting)value, and program performs parking, and apparatus overload is protected.
Adopt two pump impeller, double-turbine structure, input side pump impeller 20 is connected to form two pump impeller structure with outgoing side pump impeller 25 by pump impeller adapter sleeve 23, input side turbine 21 and outgoing side turbine 24 are connected to form double-turbine structure by turbine adapter sleeve 45, simultaneously, input side pump impeller 20 and input side turbine 21 form front working chamber, outgoing side pump impeller 25 and outgoing side turbine 24 form rear working chamber, and two working chambers work simultaneously, increase moment transmission capacity. Input side turbine 21 connects input side choked flow dish 48, and outgoing side turbine 24 connects outgoing side choked flow dish 28, and restriction coupling device transmits moment below set(ting)value. Auxiliaring shell 41 connects with outgoing side pump impeller 25, forms auxiliary chamber. Hydraulic balance hole 27 has run through input side choked flow dish 48, input side turbine 21, turbine adapter sleeve 45, outgoing side turbine 24 and outgoing side choked flow dish 28 respectively, and working chamber before and after UNICOM makes front and back working chamber hydraulic balance, reduces axial force.
Uniform four centrifugal valves 22 on pump impeller adapter sleeve 23, when electric motor drives pump impeller to reach specified speed, steel ball 22.4 overcomes spring 22.3 thrust under centrifugal action and moves up, and arrives and limits position, blocking through hole a, coupler rotor intracavity liquid does not run off simultaneously; In stopping process, steel ball 22.4 centrifugal force reduces, and moves down by spring 22.3 thrust; through hole a opens; coupler rotor intracavity liquid flows out through flowing hole b and through hole a successively, and is discharged to the external world through the basifacial leakage hole 9 in body frame body 4 side, and coupling device intracavity liquid is empty. During start, empty load of motor starts, when reaching specified speed, centrifugal valve 22 is closed, and fills liquid electromagnetic valve 6 energising and opens, coupling device starts to fill liquid, by the conversion transmission of " pump impeller mechanical energy-liquid kinetic energy-turbomachinery energy ", equipment starts gradually, when the output speed that tachogenerator 7 detects reaches set(ting)value, fill liquid electromagnetic valve 6 to close, it is achieved the soft startup of equipment. There is a velocity contrast between turbine and pump impeller, be called " coupling device is sliding poor ", its size regulates automatically with load, and when load is big, the sliding difference of coupling device increases, and transmits moment and increases, otherwise then anti-, it is achieved plant capacity balances.
Having 6 overflow weirs 16 on input side pump impeller 20, when coupling device runs, in working chamber, water maintains certain amount, and when overshoot, water is discharged to working chamber from overflow weir 16. Pump impeller shell 51 connects with input side pump impeller 20, and pump impeller shell 51 rotarily drives in coupling device chamber the water discharged and enters spoonful pipe 19 smoothly. Spoon pipe 19 is made up of steel pipe 19.1 and steel ball 19.2, and steel ball 19.2 is placed in steel pipe 19.1, can left and right freely movable, if water enters from left water-in c, steel ball, to moving right, blocks right water-in e, and water flows out from water outlet d; If water enters from right water-in e, steel ball is moved to the left, and blocks left water-in c, and water flows out from water outlet d, arrives bend pipe 13, then is discharged to coupling device outside by discharge opeing block 2, and coupling device draining function is not by the restriction of rotation direction. When changing water, filling liquid electromagnetic valve 6 and open, inject cold water, coupler rotor chamber overcharges, and water is discharged to working chamber from overflow weir 16, is discharged to coupling device outside through spoon pipe 19, bend pipe 13 and discharge opeing block 2 successively.
Transmission shaft 36 adopted without key interference fit joint with connecting of turbine adapter sleeve 45, transmission shaft 36 and turbine adapter sleeve 45 contact surface are designed to the conical surface of 1: 50, and on transmission shaft 36, open high pressure oilhole 46, during installation, high-pressure oil is squeezed into from the position of holding bolt 47, high-pressure oil arrives transmission shaft 36 and the contact surface of turbine adapter sleeve 45 by high pressure oilhole 46, the support of this contact surface is opened by high-pressure oil, with oil cylinder, turbine adapter sleeve 45 is pressed onto predetermined position again, ensure that turbine adapter sleeve 45 and transmission shaft 36 contact surface have predetermined shrink range, again gland 50 and holding bolt 47 are loaded onto, play the role of fastening.
Bearing support 32 welds with body frame body 4, arranges axle sleeve 38, fill lubricating grease during assembling between bearing support 32 and axle sleeve 38 between big bearing 37 and little bearing 40, regularly from grease adding mouth 15 supplemental lubrication fat in work, to ensure bearing sufficient lubrication. Design multi-sealing structure, to avoid water and impurity to enter bearing chamber, seal cartridge 30 outer ring is designed to labyrinth seal structure, seal cartridge 30 inner ring arranges two little outside framework oil seals 31 and a double-lip sealing ring 43, seal cartridge 30 end face chuck 44 compresses, and chuck 44 outer ring embeds in turbine adapter sleeve 45, fills lubricating grease in the chamber that chuck 44 and turbine adapter sleeve 45 are formed, if water enters between two little outside framework oil seals 31, then flow to the external world from posticum 39. Block plate 52 design labyrinth seal with together with packing_seal 17, prevent in coupling device chamber water to reveal.
Claims (9)
1. liquid type fluid coupling device is filled in an open type valve control, it is characterized in that: primarily of body frame body, subframe body, pump impeller, turbine, transmission shaft, centrifugal valve, fill liquid electromagnetic valve, tachogenerator, temperature sensor forms, body frame body (4) and subframe body (1) pass through bolt-connection, formation coupling device is overall, motor adapter sleeve (18), input adapter sleeve (14), input side pump impeller (20), pump impeller adapter sleeve (23), outgoing side pump impeller (25) connects successively, motor adapter sleeve (18) connects with motor output shaft, block plate (52) is positioned at input adapter sleeve (14) outer ring, it is threaded with subframe body (1), input side turbine (21), outgoing side turbine (24) connects with turbine adapter sleeve (45) respectively, turbine adapter sleeve (45) successively with transmission shaft (36), export resilient coupling (8) to connect, export resilient coupling (8) to connect with reducer input shaft, bearing housing (32) and body frame body (4) are welded to connect, bearing housing (32) input side is threaded with seal cartridge (30), bearing housing (32) outgoing side is threaded with end cap (33), filling liquid electromagnetic valve (6) is installed on body frame body (4), and reservoir channel (26) is set, uniform 4 centrifugal valves (22) in pump impeller adapter sleeve (23) periphery, uniform 6 overflow weirs (16) in input side pump impeller (20) side, discharge opeing block (2) is installed on subframe body (1), the upper mounting temperature sensor (3) of discharge opeing block (2), discharge opeing block (2) connects with bend pipe (13) and spoon pipe (19) successively, tachogenerator (7) is installed on end cap (33).
2. liquid type fluid coupling device is filled in open type valve control according to claim 1, it is characterized in that: described centrifugal valve (22) is primarily of centrifugal valve seat (22.1), bonded washer (22.2), spring (22.3), steel ball (22.4), limiting plate (22.5) forms, centrifugal valve seat (22.1) is threaded connection in pump impeller adapter sleeve (23) periphery, seal with bonded washer (22.2), hole (a) is opened in centrifugal valve seat (22.1) upper end, uniform four flowing holes (b) in side, spring (22.3) is placed in centrifugal valve seat (22.1), spring (22.3) puts into steel ball (22.4) below, steel ball (22.4) puts into limiting plate (22.5) below, 4 pawls are designed by solid for limiting plate (22.5) riveting in centrifugal valve seat (22.1) bottom.
3. liquid type fluid coupling device is filled in open type valve control according to claim 1, it is characterized in that: described spoon pipe (19) forms primarily of steel pipe (19.1) and steel ball (19.2), steel pipe (19.1) is weldment, design left water-in (c), right water-in (e) and water outlet (d), steel ball (19.2) is placed in steel pipe (19.1), and left and right can be freely movable.
4. liquid type fluid coupling device is filled in open type valve control according to claim 1, it is characterized in that: described transmission shaft (36) adopted without key interference fit joint with connecting of turbine adapter sleeve (45), transmission shaft (36) and turbine adapter sleeve (45) contact surface are designed to the conical surface of 1: 50, and open high pressure oilhole (46) on transmission shaft (36).
5. liquid type fluid coupling device is filled in open type valve control according to claim 1, it is characterized in that: adopt two pump impeller structure, successively pump impeller shell (51), input side pump impeller (20), pump impeller adapter sleeve (23), outgoing side pump impeller (25), auxiliaring shell (41) are connected, uniform 6 overflow weirs (16) in input side pump impeller (20) side, uniform 4 centrifugal valves (22) in pump impeller adapter sleeve (23) periphery, outgoing side pump impeller (25) inner circumferential connects pump impeller baffle plate (29).
6. liquid type fluid coupling device is filled in open type valve control according to claim 1, it is characterized in that: adopt double-turbine structure, successively input side choked flow dish (48), input side turbine (21), turbine adapter sleeve (45), outgoing side turbine (24), outgoing side choked flow dish (28) are connected, and run through successively and form hydraulic balance hole (27).
7. liquid type fluid coupling device is filled in open type valve control according to claim 1, it is characterized in that: described seal cartridge (30) outer ring is designed to labyrinth seal structure, seal cartridge (30) inner ring arranges two little outside framework oil seals (31) and a double-lip sealing ring (43), seal cartridge (30) end face chuck (44) compresses, and chuck (44) outer ring embeds in turbine adapter sleeve (45).
8. liquid type fluid coupling device is filled in open type valve control according to claim 1, it is characterized in that: described bearing housing (32) adopts one-piece construction, weld with body frame body (4), input side connects seal cartridge (30), input side fixes little bearing (40), outgoing side connects end cap (33), outgoing side fixes big bearing (37), water hole (39) is designed in bottom, leads in the middle of seal cartridge (30) two little outside framework oil seals (31).
9. liquid type fluid coupling device is filled in open type valve control according to claim 1, it is characterized in that: described block plate (52) design labyrinth seal structure and together with packing_seal (17), prevent water leakage in coupling device chamber.
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| CN201410223331.1A CN104006137B (en) | 2014-05-21 | 2014-05-21 | Liquid type fluid coupling device is filled in a kind of open type valve control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410223331.1A CN104006137B (en) | 2014-05-21 | 2014-05-21 | Liquid type fluid coupling device is filled in a kind of open type valve control |
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| CN104006137A CN104006137A (en) | 2014-08-27 |
| CN104006137B true CN104006137B (en) | 2016-06-01 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101824025B1 (en) | 2016-05-23 | 2018-01-31 | 주식회사 나라코퍼레이션 | Variable speed fluid coupling with the two sides scoop-tube |
| CN108036033B (en) * | 2018-01-19 | 2023-10-10 | 吉林大学 | High-strength transparent fluid coupling device for PIV test |
| CN109780159B (en) * | 2018-11-14 | 2023-12-29 | 湖南中特液力传动机械有限公司 | Intelligent fixed-charging type hydraulic coupler |
| CN113217598A (en) * | 2021-05-14 | 2021-08-06 | 中国煤炭科工集团太原研究院有限公司 | Valve-controlled liquid-filled hydraulic coupler |
| CN113883250A (en) * | 2021-09-14 | 2022-01-04 | 曹步尧 | Hydraulic coupling capable of automatically multiplexing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19901296A1 (en) * | 1999-01-15 | 2000-07-27 | Voith Turbo Kg | Hydrodynamic clutch |
| CN201582364U (en) * | 2009-12-29 | 2010-09-15 | 煤炭科学研究总院太原研究院 | Valve control liquid-filled coupler of high-power conveyor |
| CN201747887U (en) * | 2010-07-08 | 2011-02-16 | 广东中兴液力传动有限公司 | Valve controlled speed-regulating double-cavity hydraulic coupler |
| CN203979320U (en) * | 2014-05-21 | 2014-12-03 | 中煤张家口煤矿机械有限责任公司 | A kind of open valve control topping up type fluid coupling |
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2014
- 2014-05-21 CN CN201410223331.1A patent/CN104006137B/en active Active
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| Title |
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| 大功率刮板输送机阀控充液型液力偶合器研发;李国平等;《中国工程科学》;20111231(第11期);全文 * |
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