CN109442024B - Speed-regulating type hydraulic coupler for long-distance belt conveyor - Google Patents
Speed-regulating type hydraulic coupler for long-distance belt conveyor Download PDFInfo
- Publication number
- CN109442024B CN109442024B CN201811466532.9A CN201811466532A CN109442024B CN 109442024 B CN109442024 B CN 109442024B CN 201811466532 A CN201811466532 A CN 201811466532A CN 109442024 B CN109442024 B CN 109442024B
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- oil
- pipe
- lower box
- box body
- box plate
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Classifications
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model provides a speed governing type fluid coupling for long distance belt conveyor, the box of having overcome prior art is totally closed state, overhaul and clear up the interior debris of box inefficiency and the output is with the input lagging stop, output shaft and output bearing have wear out in the twinkling of an eye and lose efficacy and the connecting pipe of work piping is seamless steel pipe, the installation with dismantle the great problem of degree of difficulty, the characteristic is that the entry linkage of overflow valve has the oil guide pipe of being connected with the oil inlet and outlet chamber body, the access hole has been seted up on the lower box, the work oil pump passes through the metal bellows and connects the oil suction filter, and be connected with the preceding horizontal straight tube in the box through metal bellows and return bend, the beneficial effect is that utilize the oil return pump as the lubricating oil pump, the flexible micro-adjustment of metal bellows, the installation accuracy of work piping pipeline has been reduced, make things convenient for the installation of oil piping system, dismantle and overhaul, and the oil temperature demand has been satisfied to the oil storage chamber, the access hole has improved the efficiency of overhaul and the interior debris of box under the clearance.
Description
Technical Field
The utility model belongs to the technical field of hydraulic transmission equipment in belt conveyor equipment, and particularly relates to a speed-regulating hydraulic coupler for a long-distance belt conveyor.
Background
In the prior art, the structure of the speed-regulating hydraulic coupler in the long-distance belt conveyor comprises a box body, a working pipe system, a return suction pipe system, an input shaft and an output shaft, the long-distance belt conveyor is mainly used for conveying solid materials, and can convey the solid materials in a long distance and under heavy load, such as coal, iron ore and the like, and because the climate conditions in different areas are different, the speed-regulating hydraulic coupler in the high-power long-distance belt conveyor in the prior art has a plurality of technical problems that the speed-regulating hydraulic coupler needs serious improvement in the actual use:
firstly, the temperature of the internal oil rises too fast when the equipment works, so that the power of the circulating cooling equipment is insufficient. The speed-regulating hydraulic coupler in the prior art comprises an oil storage cavity in a lower box body, when the power of a motor exceeds 1000KW, the oil storage capacity of the oil storage cavity is obviously insufficient, particularly when the motor works in an open-air field under high-temperature and hot-air conditions, the oil temperature in the equipment is rapidly increased due to long-time working of high power and heavy load, the pressure of the equipment is increased, so that a transmission part in the equipment is accelerated to age and lose efficacy, the service life of the equipment is reduced, and therefore, the oil storage capacity of the oil storage cavity is required to be increased to reduce the oil temperature in the equipment, but the occupied area of the original equipment and the relative position size of each part in the box body cannot be changed;
secondly, the output end of the speed-regulating hydraulic coupler is delayed to stop relative to the input end of the speed-regulating hydraulic coupler, so that the output shaft of the output end and the output bearing are instantaneously worn and disabled. When the speed-regulating hydraulic coupler receives a stopping instruction during operation, the input end of the speed-regulating hydraulic coupler immediately stops working, and the output end of the speed-regulating hydraulic coupler can stop working after a period of time due to the inertia action of heavy materials on a conveying belt, in the prior equipment, the lubrication of an output end output shaft and an output bearing is supplied by an input end working oil pump, and the input end of the speed-regulating hydraulic coupler stops working, namely, the lubrication oil supply to the output end output shaft and the output bearing is stopped at the same time, so that the output end output shaft and the output bearing generate high temperature in a delay stopping period, and the abrasion of the output shaft and the output bearing is the most serious at the moment, thereby further reducing the service life of the equipment;
third, existing equipment has problems in terms of installation and removal of the pipeline and periodic maintenance. Before the utility model, the inventor carries out earlier design improvement on the speed-regulating type hydraulic coupler, and puts forward a patent application with the application number of CN201621436149.5 and the utility model name of a built-in hydraulic oil back suction device of the speed-regulating type hydraulic coupler and obtains the patent right, the technical scheme disclosed by the utility model has built-in oil supply and discharge pipelines, reduces and reduces the problem of ageing and leakage of pipeline elements caused by high-temperature failure, but a plurality of working pipelines are arranged outside a box body and are seamless steel pipes, and all the joints are rigidly connected through flanges, so that the mounting and dismounting difficulty is higher;
fourth, the box of the speed-adjusting type fluid coupling in the prior art is formed by connecting an upper box body and a lower box body, and the box body adopted by the speed-adjusting type fluid coupling with independent supporting of an input and output assembly disclosed in the utility model with the application number of CN201420017816.0 comprises a box body consisting of a box cover and a box seat, and is used for supporting a rotating piece and forming an oil tank.
Fifth, in the prior art, the oil absorption filter element in the working pipe system is horizontally arranged in the box body, and the working pipe system is arranged outside the box body, and needs to be connected by 90-degree bends twice, so that the connection is inconvenient, and the cleaning of the oil absorption filter element is inconvenient.
Disclosure of Invention
The utility model aims to solve the problems of overcoming the defects of the prior art, and provides the speed-regulating hydraulic coupler for the long-distance belt conveyor, which increases the oil storage capacity of an oil storage cavity under the condition that the occupied area of original equipment and the relative position size of each part in a box body are not changed, so as to meet the oil temperature requirement of the equipment, improves the lubricating and oil supply structure of an output end output shaft and an output bearing, reduces the abrasion speed of the output shaft and the output bearing, increases the installation and adjustment allowance at the joint of a working pipe system outside the box body, reduces the installation and detachment difficulty, and can clean sundries in the box body without dismantling transmission parts in the upper box body and the box body.
The technical scheme includes that the hydraulic coupler comprises an upper box body, a lower box body, an oil storage cavity and an output shaft of an output end of the speed-regulating hydraulic coupler, a first output bearing and a second output bearing are arranged on the output shaft, a front horizontal straight pipe is arranged in the lower box body, an oil return pipe is arranged on the front horizontal straight pipe, the lower box body is connected with an oil return pump, an outlet of the oil return pump is connected with an overflow valve arranged in the lower box body, an inlet of the overflow valve is connected with an oil guide pipe, the other end of the oil guide pipe is connected with the upper end face of the oil inlet and outlet cavity, after a working oil pump of the speed-regulating hydraulic coupler is stopped, the oil return pump starts working, hydraulic oil in a cooler and a circulating oil pipe system enters the oil return pipe through the front horizontal straight pipe and returns to the lower box body through the overflow valve, and meanwhile, the output shaft of the output end of the speed-regulating hydraulic coupler, the first output bearing and the second output bearing are lubricated through the oil guide pipe.
The oil guide pipe is made of copper tubes.
The lower box comprises a front upper box plate, a rear upper box plate, a front lower box plate, a rear lower box plate, a lower box front cover plate, a lower box rear cover plate, a lower box left box plate and a lower box right box plate, wherein the lower box left box plate and the lower box right box plate are inverted T-shaped plates, a front access opening is formed in the lower box front cover plate, a rear access opening is formed in the lower box rear cover plate, a front access cover plate is mounted on the front access opening, and a rear access cover plate is mounted on the rear access opening.
An oil suction pipe through hole is formed in the front overhaul cover plate on the left side of the front overhaul hole, an oil suction filter is connected outside the lower box body through a flange corresponding to the oil suction pipe through hole, an oil suction pipe of the oil suction filter is vertically inserted into an oil storage cavity in the lower box body, the oil suction filter is connected with a working oil pump through a first metal corrugated pipe, and the working oil pump is connected with a front horizontal straight pipe in the lower box body through a second metal corrugated pipe and an elbow pipe.
And a sealing flange is arranged at the contact part of the bent pipe and the outer surface of the lower box body.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, through integrally lifting the height of the lower part of the lower box body, the working pipe system and related components mounted on the lower box body are adjusted along with the adjustment of the height of the lower part of the lower box body, so that the oil storage capacity of equipment is increased, the problem of overhigh temperature of circulating oil of the equipment caused by overhigh power is solved, the oil temperature requirement of the equipment is met, and the occupied area of the original equipment and the relative position size of each component in the box body are not changed; the utility model provides a lower box front box apron and lower box rear box apron on set up 4 access holes, flange joint has the access cover above the access hole, and during operation, the access cover is sealed with the access hole, and the debris in the lower box can be cleared up to the dismantlement access cover when overhauling, and need not demolish the transmission part in last box and the box, reduced intensity of labour, improved the efficiency of overhauling and clearing up debris in the lower box, through periodic equipment inspection, maintenance, the biggest possible reduction equipment wearing and tearing, eliminate the hidden danger, prolonged the life of equipment.
(2) According to the utility model, an inlet of an overflow valve is connected with an output shaft of an output end of a speed-regulating hydraulic coupler and oil guide pipes made of copper pipes, wherein the output shaft of the output end of the speed-regulating hydraulic coupler and the first output bearing and the second output bearing are lubricated and supplied with oil, one end of each oil guide pipe is connected with an inlet of the overflow valve, the other end of each oil guide pipe is connected with the upper end face of an oil inlet and outlet cavity, when a shutdown instruction of equipment is issued, a working oil pump is stopped, a return oil pump starts working, hydraulic oil in a cooler and an oil return pipe system enters the return oil pipe through a rear horizontal straight pipe and then enters an outlet of the return oil pump through a hose connector and returns to a box body through the overflow valve, and simultaneously, the lubricating oil is supplied to the output shaft of the output end of the speed-regulating hydraulic coupler and the output bearing through the oil guide pipes, so that the lubricating and cooling functions of the output shaft of the output end of the speed-regulating hydraulic coupler are achieved.
(3) According to the utility model, the front box cover plate of the lower box body is provided with the oil suction pipe through hole, the oil suction pipe through hole is connected with the oil suction filter through the flange, the oil suction filter is connected with the working oil pump through the first metal corrugated pipe, and the working oil pump is connected with the front horizontal straight pipe in the box body through the second metal corrugated pipe and the bent pipe, so that the pipeline layout is optimized, the seamless steel pipe of the working pipe system is replaced by the metal corrugated pipe, the flexible adjustability of the metal corrugated pipe is utilized, the pipeline installation precision is reduced, the labor intensity of workers is improved, the pipeline installation and disassembly are more convenient, and the installation, the disassembly and the overhaul of an oil circuit system are convenient; meanwhile, the metal corrugated pipe is adopted to further increase the heat dissipation area of the circulating oil circuit, increase the flow area of a pipeline system, reduce the flow rate of circulating oil, reduce the pipeline pressure and increase the heat dissipation effect of the pipeline and the box body, thereby prolonging the service life of the pipeline and reducing the weight of equipment.
Drawings
Figure 1 is a front view of the present utility model,
figure 2 is a cross-sectional view A-A of figure 1,
figure 3 is a front view of the lower case of the present utility model,
figure 4 is a left side view of figure 3,
fig. 5 is a top view of fig. 3.
In the figure:
1. the upper box body is provided with a plurality of grooves,
2. a lower box body is arranged on the upper box body,
2-11, front upper box plate, 2-12, rear upper box plate,
2-21, front lower box plate, 2-23, rear lower box plate,
2-31, a lower box front cover plate, 2-32, a lower box rear cover plate,
2-41 front access panels, 2-42 rear access panels,
2-51, a left box plate of the lower box body, 2-52, a right box plate of the lower box body,
2-61 front access opening, 2-62 rear access opening,
2-7, through holes of the oil suction pipe,
3. the oil storage cavity is provided with a plurality of oil storage cavities,
4. an oil-absorbing filter,
5. the first metal bellows is provided with a first metal bellows,
6. the working oil pump is operated to pump the working oil,
7. a second metal bellows is provided, which is arranged on the outer side of the first metal bellows,
8. a sealing flange is arranged on the inner side of the sealing flange,
9. a front horizontal straight pipe is arranged on the front side,
10. an oil return pipe is used for returning and sucking oil,
11. the oil pump is sucked back to the oil pump,
12. an overflow valve is arranged on the bottom of the overflow valve,
13. an oil guide pipe is arranged on the inner side of the oil guide pipe,
14. the oil inlet and outlet cavity body,
15-1, a first rotor, 15-2, a second rotor wheel,
16-1, an input shaft, 16-2, an output shaft,
17. the first output bearing is provided with a first output bearing,
18. the second output bearing is provided with a second output bearing,
19. a rear horizontal straight pipe is arranged on the rear side of the frame,
20. the bent pipe is provided with a bent pipe,
21. and (5) sucking the oil pipe.
Detailed Description
As shown in fig. 1 and 2, the tank body adopted by the utility model comprises an upper tank body 1 and a lower tank body 2, wherein the upper tank body 1 mainly plays a role in sealing the tank body, the lower tank body 2 is used for supporting an output shaft of an output end of a speed-regulating hydraulic coupler and an input shaft of an input end of the speed-regulating hydraulic coupler, an oil storage cavity 3 is arranged in the lower tank body 2, in order to increase the oil storage capacity of the oil storage cavity 3 under the condition that the occupied area of original equipment and the relative position size of each part in the tank body are not changed, so as to achieve the oil storage capacity required to be increased to meet the oil temperature requirement of the equipment and reduce the oil temperature in the equipment, the utility model integrally lifts the height of the lower tank body 2, and simultaneously adjusts a working pipe system and related parts arranged on the lower tank body 2 along with the height adjustment of the lower tank body 2, namely, the oil storage capacity of the equipment is increased, the problem that the temperature of the equipment circulating oil is too high due to overlarge power is solved, the oil temperature requirement of the equipment is met, and the relative position size of each part in the tank body is not changed;
further, as shown in fig. 3-5, the lower case 2 includes a front upper case plate 2-11, a rear upper case plate 2-12, a front lower case plate 2-21, a rear lower case plate 2-22, a lower case front cover plate 2-31, a lower case rear cover plate 2-32, a lower case left case plate 2-51 and a lower case right case plate 2-52, the lower case left case plate 2-51 and the lower case right case plate 2-52 are inverted T-shaped plates, the utility model only increases the height dimensions of the lower parts of the front lower case plate 2-21 and the rear lower case plate 2-22 and the lower case left case plate 2-51 and the lower case right case plate 2-52, and the height dimensions of the upper parts of the front upper case plate 2-11 and the rear upper case plate 2-12 and the lower case left case plate 2-51 and the lower case right plate 2-52 are unchanged, so as not to affect the relative position dimensions of transmission parts, the utility model does not affect the overall height of the device, the utility model also increases the power of the device, the oil storage device is increased in order to solve the problem of the relative power, the oil storage device is increased in the device, the oil temperature is required to be increased, the device is required to be increased, and the oil temperature is required to be increased;
in order to facilitate maintenance and can clear up sundries in the box body without dismantling the upper box body and transmission parts in the box body, the front cover plate 2-31 of the lower box body is provided with a front maintenance opening 2-61, the rear cover plate 2-32 of the lower box body is provided with a rear maintenance opening 2-62, the front maintenance opening 2-61 is provided with a front maintenance cover plate 2-41, the rear maintenance opening 2-62 is provided with a rear maintenance cover plate 2-42, when in operation, the front maintenance opening 2-61 and the rear maintenance cover plate 2-42 seal the front maintenance opening 2-61 and the rear maintenance opening 2-62, and sundries in the lower box body 2 can be cleared up by dismantling the maintenance cover plate during maintenance without dismantling the transmission parts in the upper box body 1 and the box body;
as shown in fig. 1, 2 and 5, in order to solve the problems that the working pipe system outside the box body is seamless steel pipe, the connection parts are rigidly connected through flanges, and no adjustment allowance is installed, so that the problem of high installation and disassembly difficulty and the problem of inconvenient cleaning are caused by the fact that an oil suction filter element in the working pipe system is horizontally arranged in the box body, the external oil suction filter 4 is adopted, namely, an oil suction pipe through hole 2-7 is formed in a front left overhaul cover plate 2-41, the oil suction filter 4 is connected through flanges corresponding to the oil suction pipe through hole 2-7 outside a lower box body 2, an oil suction pipe 21 of the oil suction filter 4 is vertically inserted into an oil storage cavity 3 in the lower box body 2, the oil suction filter 4 is connected with an oil pump 6 through a first metal corrugated pipe 5, the oil pump 6 is connected with a front horizontal straight pipe 9 in the lower box body 2 through a second metal corrugated pipe 7 and an elbow 20, and a sealing flange 8 is installed at the contact part of the outer surface of the elbow 20 and the lower box body 2;
as shown in fig. 1 and 2, the technical scheme adopted by the utility model further comprises an input shaft 16-1 at the input end of a speed-regulating fluid coupler, an output shaft 16-2 at the output end, a first rotating body 15-1 and a second rotating body 15-2 connected with the first rotating body 15-1, wherein a first output bearing 17 and a second output bearing 18 are arranged on the output shaft 16-2, a front horizontal straight pipe 9 and a rear horizontal straight pipe 19 are arranged in the lower box 2, wherein the rear horizontal straight pipe 19 is connected with the oil outlet of the cooler and receives circulating oil coming back from the cooler, the front horizontal straight pipe 9 is connected with the oil inlet of the cooler, the circulating oil is sent to the cooler for cooling, a return oil pipe 10 made of stainless steel braided hose materials is arranged on the front horizontal straight pipe 9, a return oil pump 11 is connected on the lower box 2, the outlet of the return oil pump 11 is connected with an overflow valve 12 arranged in the lower box 2, in order to solve the problem that the output end of the speed-regulating fluid coupler is delayed relative to the input end of the speed-regulating fluid coupler, the output end of the speed-regulating fluid coupler is stopped, the output end is in a state of the copper pipe 13 is connected with the oil inlet of the speed-regulating fluid coupler, and the oil pump 13 is in a working state that the oil pipe is in which the speed-regulating fluid coupler is in a working state that the copper pipe is in a working state, and the oil pipe 13 is connected with the output end of the oil pipe 13, and the oil inlet of the speed-regulating fluid coupler is in which is in a working state, and the oil pipe 13 is connected with the oil inlet of the oil pipe 13, and has the oil inlet end of the speed-regulating fluid coupler, and has the oil pump 13; after the working oil pump 6 of the speed-adjusting hydraulic coupler is stopped, the oil return pump 11 starts to work, hydraulic oil in the cooler and the circulating oil pipe system enters the oil return pipe 10 through the front horizontal straight pipe 9 and returns to the lower box body 2 through the overflow valve 12, and meanwhile, oil is supplied to the output shaft 16-2 and the first output bearing 17 and the second output bearing 18 of the output end of the speed-adjusting hydraulic coupler through the oil guide pipe 13, so that the effects of lubricating and cooling the output shaft 16-2 and the first output bearing 17 and the second output bearing 18 of the output end of the speed-adjusting hydraulic coupler are achieved.
Claims (3)
1. The speed regulation type hydraulic coupler for the long-distance belt conveyor comprises an upper box body (1), a lower box body (2), an oil storage cavity (3) and an output shaft (16-2) of the output end of the speed regulation type hydraulic coupler, wherein a first output bearing (17) and a second output bearing (18) are arranged on the output shaft (16-2), a front horizontal straight pipe (9) and a rear horizontal straight pipe (19) are arranged in the lower box body (2), wherein the rear horizontal straight pipe (19) is connected with an oil outlet of a cooler, the front horizontal straight pipe (9) is connected with an oil inlet of the cooler, an oil return pipe (10) is arranged on the front horizontal straight pipe (9), a return oil pump (11) is connected on the lower box body (2), an outlet of the return oil pump (11) is connected with an overflow valve (12) arranged in the lower box body (2), the inlet of the overflow valve (12) is connected with an oil guide pipe (13), the other end of the oil guide pipe (13) is connected with an upper end face of the oil inlet and discharge cavity (14), when the hydraulic coupler stops working and the hydraulic oil enters the lower box (2) through the return oil pump (10) and the return oil pump (11) to the front horizontal oil pump (2), simultaneously, an output shaft (16-2) and a first output bearing (17) and a second output bearing (18) of an output end of the speed-regulating hydraulic coupler are arranged through an oil guide pipe (13) and an oil inlet and outlet cavity (14), the lower box comprises a front upper box plate (2-11), a rear upper box plate (2-12), a front lower box plate (2-21), a rear lower box plate (2-22), a front lower box plate (2-31), a rear lower box plate (2-32), a left box plate (2-51) and a right box plate (2-52), the left box plate (2-51) and the right box plate (2-52) are inverted T-shaped plates, a front overhaul opening (2-61) is formed in the front lower box plate (2-31), a rear overhaul opening (2-62) is formed in the rear lower box plate (2-32), a front overhaul opening (2-41) is mounted on the front overhaul opening (2-61), an oil suction pipe (2-41) is mounted on the rear opening (2-62), a front overhaul opening (2-42) is formed in the front overhaul opening (2-42), the oil suction pipe (21) corresponding to the oil suction pipe through holes (2-7) is connected with the oil suction filter (4) outside the lower box body (2) through a flange, the oil suction pipe (21) of the oil suction filter (4) is vertically inserted into the oil storage cavity (3) in the lower box body (2), the oil suction filter (4) is connected with the working oil pump (6) through the first metal corrugated pipe (5), and the working oil pump (6) is connected with the front horizontal straight pipe (9) in the lower box body (2) through the second metal corrugated pipe (7) and the bent pipe (20).
2. The speed regulating hydraulic coupler for long distance belt conveyor according to claim 1, characterized in that the oil guide pipe (13) is made of copper pipe.
3. A fluid coupling for a long-distance belt conveyor according to claim 1, characterized in that a sealing flange (8) is mounted where the elbow (20) contacts the outer surface of the lower tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466532.9A CN109442024B (en) | 2018-12-03 | 2018-12-03 | Speed-regulating type hydraulic coupler for long-distance belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466532.9A CN109442024B (en) | 2018-12-03 | 2018-12-03 | Speed-regulating type hydraulic coupler for long-distance belt conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109442024A CN109442024A (en) | 2019-03-08 |
| CN109442024B true CN109442024B (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811466532.9A Active CN109442024B (en) | 2018-12-03 | 2018-12-03 | Speed-regulating type hydraulic coupler for long-distance belt conveyor |
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| CN (1) | CN109442024B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113060482B (en) * | 2021-04-28 | 2022-12-13 | 甘肃华亭煤电股份有限公司华亭煤矿 | Special backstop of permanent magnetism cylinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08200473A (en) * | 1995-01-20 | 1996-08-06 | Hitachi Ltd | Gear built-in type fluid coupling |
| CN2641383Y (en) * | 2003-09-03 | 2004-09-15 | 广东中兴液力传动有限公司 | Speed-adjusting type hydraulic coupler |
| CN201666319U (en) * | 2010-03-01 | 2010-12-08 | 上海交大南洋机电科技有限公司 | Variable speed hydraulic coupling of grab dredger |
| CN203488665U (en) * | 2013-07-24 | 2014-03-19 | 沈阳中煤工程技术有限公司 | Belt-conveyor soft starting speed-adjusting device capable of on-load power isolation |
| CN105065613A (en) * | 2015-07-10 | 2015-11-18 | 上海交大南洋机电科技有限公司 | Speed regulating type hydraulic coupling |
| CN206338380U (en) * | 2016-12-26 | 2017-07-18 | 沈阳中煤工程技术有限公司 | The built-in hydraulic oil suck-back device of speed regulation type hydrodynamic coupler |
-
2018
- 2018-12-03 CN CN201811466532.9A patent/CN109442024B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08200473A (en) * | 1995-01-20 | 1996-08-06 | Hitachi Ltd | Gear built-in type fluid coupling |
| CN2641383Y (en) * | 2003-09-03 | 2004-09-15 | 广东中兴液力传动有限公司 | Speed-adjusting type hydraulic coupler |
| CN201666319U (en) * | 2010-03-01 | 2010-12-08 | 上海交大南洋机电科技有限公司 | Variable speed hydraulic coupling of grab dredger |
| CN203488665U (en) * | 2013-07-24 | 2014-03-19 | 沈阳中煤工程技术有限公司 | Belt-conveyor soft starting speed-adjusting device capable of on-load power isolation |
| CN105065613A (en) * | 2015-07-10 | 2015-11-18 | 上海交大南洋机电科技有限公司 | Speed regulating type hydraulic coupling |
| CN206338380U (en) * | 2016-12-26 | 2017-07-18 | 沈阳中煤工程技术有限公司 | The built-in hydraulic oil suck-back device of speed regulation type hydrodynamic coupler |
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| Publication number | Publication date |
|---|---|
| CN109442024A (en) | 2019-03-08 |
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